{"as_of":"2026-08-18T00:03:00Z","caps":{"database_statements":6,"inbound":100,"outbound":100},"context_digest":"sha256:f30be5b13da1b07d2be328ae8a37d9f0bd7b438aca5ecec2d746ad2404a3eb2a","coverage":[{"denominator":54,"lane":"reference_resolution","note":"Typed states for the displayed outbound observations.","records_observed":54,"source":"paper_references, paper_reference_links","source_observed_at":"2026-08-16T11:26:19.840620Z","state":"measured"},{"denominator":56,"lane":"standing_notices","note":"One-hop event checks from named stored sources.","records_observed":56,"source":"scholarly_work_events, retraction_status_cache","source_observed_at":"2026-08-17T06:30:58.91139+00:00","state":"measured"},{"denominator":2,"lane":"inbound_itemization","note":"Pith citing papers itemized under the disclosed page cap.","records_observed":2,"source":"paper_references, paper_reference_links","source_observed_at":"2026-08-05T18:05:43.494220Z","state":"measured"},{"denominator":1,"lane":"external_citation_measurements","note":"A source-named dated measurement, never combined with another source.","records_observed":0,"source":"pith","source_observed_at":"2026-08-05T17:05:40.076724Z","state":"measured"}],"external_citation_measurements":[],"inbound":[{"citation":{"cited_paper":{"arxiv_id":"2504.15737","last_updated":"2025-04-22T09:31:55Z","snapshot_observed_at":"2026-08-16T11:16:46.074502Z","submitted_at":"2025-04-22T09:31:55Z","title":"Energy-Efficient SIM-assisted Communications: How Many Layers Do We Need?","version":1},"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":"2504.15737","snapshot_observed_at":"2026-08-05T18:05:43.494220Z","title":"Energy-efficient SIM-assisted communications: How many layers do we need?","venue":null,"work_id":null,"year":2025},"citing_paper":{"arxiv_id":"2508.15257","last_updated":"2025-08-21T05:40:42Z","snapshot_observed_at":"2026-08-05T18:05:41.495301Z","submitted_at":"2025-08-21T05:40:42Z","title":"A Refined Alternating Optimization for Sum Rate Maximization in SIM-Aided Multiuser MISO Systems","version":1},"reference_index":16,"source":"pdf_text","source_observed_at":"2026-08-05T18:05:43.494220Z"},"links":{"cited_paper":"/paper/2504.15737","citing_paper":"/paper/2508.15257"},"observation_digest":"sha256:35fe978a6f38cca83aa7b152458f99839d1f9cb100e9d4fc3cb221c2c5652ccc","observation_id":"1f260008-d2ea-44f6-93d5-42b668eabbde","resolution":{"observed_at":"2026-08-05T18:05:43.494220Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}},{"citation":{"cited_paper":{"arxiv_id":"2504.15737","last_updated":"2025-04-22T09:31:55Z","snapshot_observed_at":"2026-08-16T11:16:46.074502Z","submitted_at":"2025-04-22T09:31:55Z","title":"Energy-Efficient SIM-assisted Communications: How Many Layers Do We Need?","version":1},"cited_work":{"arxiv_id":"2504.15737","doi":null,"metadata_source":"pith","pith_arxiv_id":"2504.15737","snapshot_observed_at":"2026-08-05T17:05:40.076724Z","title":"Energy-Efficient SIM-assisted Communications: How Many Layers Do We Need?","venue":"cs.IT","work_id":"7b795ad6-51ff-4fca-bdf4-92d48154d42a","year":2025},"citing_paper":{"arxiv_id":"2508.17149","last_updated":"2026-06-10T19:43:52Z","snapshot_observed_at":"2026-08-11T22:16:14.020067Z","submitted_at":"2025-08-23T22:00:33Z","title":"Enhancing Energy and Spectral Efficiency in IoT-Cellular Networks via Active SIM-Equipped LEO Satellites","version":2},"reference_index":31,"source":"pdf_text","source_observed_at":"2026-08-05T17:05:39.136610Z"},"links":{"cited_paper":"/paper/2504.15737","citing_paper":"/paper/2508.17149"},"observation_digest":"sha256:00073303a4701ab9a76a0e8d36585d12a09b77a8a1d614dae1f91969d05d14fe","observation_id":"6be181bf-2eaa-486e-a94a-09021c0e881f","resolution":{"observed_at":"2026-08-05T17:05:40.141231Z","resolver_source":"local_arxiv","status":"verified_exact"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-17T06:30:58.91139+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-17T06:30:58.91139+00:00","source":"crossref"},{"observed_at":"2026-08-17T06:30:54.323127+00:00","source":"retraction_watch"}],"state":"measured"}}],"links":{"evidence":"/evidence","html":"/paper/2504.15737/citation-record","integrity":"/paper/2504.15737/integrity","json":"/paper/2504.15737/citation-record.json","paper":"/paper/2504.15737"},"outbound":[{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":null,"snapshot_observed_at":"2026-08-16T11:26:19.570503Z","title":"On the road to 6G: Visions, requirements, key technologies and testbeds,","venue":null,"work_id":null,"year":2023},"citing_paper":{"arxiv_id":"2504.15737","last_updated":"2025-04-22T09:31:55Z","snapshot_observed_at":"2026-08-16T11:16:46.074502Z","submitted_at":"2025-04-22T09:31:55Z","title":"Energy-Efficient SIM-assisted Communications: How Many Layers Do We Need?","version":1},"reference_index":1,"source":"pdf_text","source_observed_at":"2026-08-16T11:26:19.570503Z"},"links":{"citing_paper":"/paper/2504.15737"},"observation_digest":"sha256:2666cbe4052ab5f7bc0f72bc78b5678a35c906476de317c96de5d30c6061fea6","observation_id":"05d4c3e1-77ee-4cc2-858e-2295420fc21c","resolution":{"observed_at":"2026-08-16T11:26:19.570503Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-16T11:26:20.987556Z","title":"Holographic MIM O communications: Theoretical foundations, enabling techn ologies, and future directions,","venue":null,"work_id":"284e41f3-e91b-4fb1-88d5-0585a484ade1","year":2023},"citing_paper":{"arxiv_id":"2504.15737","last_updated":"2025-04-22T09:31:55Z","snapshot_observed_at":"2026-08-16T11:16:46.074502Z","submitted_at":"2025-04-22T09:31:55Z","title":"Energy-Efficient SIM-assisted Communications: How Many Layers Do We Need?","version":1},"reference_index":2,"source":"pdf_text","source_observed_at":"2026-08-16T11:26:19.576076Z"},"links":{"citing_paper":"/paper/2504.15737"},"observation_digest":"sha256:167bab6fc3b0a3ead91a50e62b3d8733ba83f1544c581b39089a749fdf7200c3","observation_id":"ab4e7a45-2b73-4b9a-a940-0d95548543d8","resolution":{"observed_at":"2026-08-16T11:26:20.992285Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-17T06:30:58.91139+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-17T06:30:58.91139+00:00","source":"crossref"},{"observed_at":"2026-08-17T06:30:54.323127+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-16T11:26:20.969368Z","title":"Performance analysis and low-complexity design fo r XL- MIMO with near-field spatial non-stationarities,","venue":null,"work_id":"7c9a6a9f-a6bd-48ff-b253-9e34ebd8957d","year":2024},"citing_paper":{"arxiv_id":"2504.15737","last_updated":"2025-04-22T09:31:55Z","snapshot_observed_at":"2026-08-16T11:16:46.074502Z","submitted_at":"2025-04-22T09:31:55Z","title":"Energy-Efficient SIM-assisted Communications: How Many Layers Do We Need?","version":1},"reference_index":3,"source":"pdf_text","source_observed_at":"2026-08-16T11:26:19.580494Z"},"links":{"citing_paper":"/paper/2504.15737"},"observation_digest":"sha256:9f5122012be4e2a13e1d7930795bc53e2235d2c20304bebc1021a7ab02fc74b2","observation_id":"e8bf8635-b489-4c4a-83f9-338c4f9b4ea0","resolution":{"observed_at":"2026-08-16T11:26:20.975417Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-17T06:30:58.91139+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-17T06:30:58.91139+00:00","source":"crossref"},{"observed_at":"2026-08-17T06:30:54.323127+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-16T11:26:20.941502Z","title":"Opt imal Bi- linear Equalizer for Cell-Free Massive MIMO Systems over Co rrelated Rician Channels,","venue":null,"work_id":"f6f3f33b-1ec1-46e7-88bd-59163efb043d","year":2025},"citing_paper":{"arxiv_id":"2504.15737","last_updated":"2025-04-22T09:31:55Z","snapshot_observed_at":"2026-08-16T11:16:46.074502Z","submitted_at":"2025-04-22T09:31:55Z","title":"Energy-Efficient SIM-assisted Communications: How Many Layers Do We Need?","version":1},"reference_index":4,"source":"pdf_text","source_observed_at":"2026-08-16T11:26:19.585238Z"},"links":{"citing_paper":"/paper/2504.15737"},"observation_digest":"sha256:c93c9f9c68356eb0bc5da8c6aed77d200e082944a51642f508a02955318d58d6","observation_id":"a59edc0b-1f55-4c5f-aff9-a7a2f6851290","resolution":{"observed_at":"2026-08-16T11:26:20.955903Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-17T06:30:58.91139+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-17T06:30:58.91139+00:00","source":"crossref"},{"observed_at":"2026-08-17T06:30:54.323127+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-16T11:26:20.921896Z","title":"Modeling and performance ana lysis for movable antenna enabled wireless communications,","venue":null,"work_id":"9d44e312-e514-4d4e-8b8c-239794d70c12","year":2023},"citing_paper":{"arxiv_id":"2504.15737","last_updated":"2025-04-22T09:31:55Z","snapshot_observed_at":"2026-08-16T11:16:46.074502Z","submitted_at":"2025-04-22T09:31:55Z","title":"Energy-Efficient SIM-assisted Communications: How Many Layers Do We Need?","version":1},"reference_index":5,"source":"pdf_text","source_observed_at":"2026-08-16T11:26:19.590364Z"},"links":{"citing_paper":"/paper/2504.15737"},"observation_digest":"sha256:96820e23fa436d6cb293785d3d41cfb57453f774fd69db4540b88a18b3b816ab","observation_id":"eaa61cb0-fab3-4497-89b7-e6ed4decf6d7","resolution":{"observed_at":"2026-08-16T11:26:20.927544Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-17T06:30:58.91139+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-17T06:30:58.91139+00:00","source":"crossref"},{"observed_at":"2026-08-17T06:30:54.323127+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-16T11:26:20.905756Z","title":"A survey of energy-efficient techniques for 5G networ ks and challenges ahead,","venue":null,"work_id":"8c870129-10c2-4a18-805f-06a4455c1762","year":2016},"citing_paper":{"arxiv_id":"2504.15737","last_updated":"2025-04-22T09:31:55Z","snapshot_observed_at":"2026-08-16T11:16:46.074502Z","submitted_at":"2025-04-22T09:31:55Z","title":"Energy-Efficient SIM-assisted Communications: How Many Layers Do We Need?","version":1},"reference_index":6,"source":"pdf_text","source_observed_at":"2026-08-16T11:26:19.595880Z"},"links":{"citing_paper":"/paper/2504.15737"},"observation_digest":"sha256:f527729eafcf946bd5f17e03e2d65146e5c6f6b8ed47be0e551c4a3bf2662cc4","observation_id":"a613531e-1216-4759-88cd-2cfc88d8f66a","resolution":{"observed_at":"2026-08-16T11:26:20.911074Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-17T06:30:58.91139+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-17T06:30:58.91139+00:00","source":"crossref"},{"observed_at":"2026-08-17T06:30:54.323127+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-16T11:26:20.888921Z","title":"RIS-aided cell-free massive MIMO systems for 6 G: Fundamentals, system design, and applications,","venue":null,"work_id":"b18255d2-5fba-40b0-bf20-bd106d63633f","year":2024},"citing_paper":{"arxiv_id":"2504.15737","last_updated":"2025-04-22T09:31:55Z","snapshot_observed_at":"2026-08-16T11:16:46.074502Z","submitted_at":"2025-04-22T09:31:55Z","title":"Energy-Efficient SIM-assisted Communications: How Many Layers Do We Need?","version":1},"reference_index":7,"source":"pdf_text","source_observed_at":"2026-08-16T11:26:19.601321Z"},"links":{"citing_paper":"/paper/2504.15737"},"observation_digest":"sha256:02e21e0bc6612065d9b13db4645d37487c419874cc21a40489fe5e4387c906cb","observation_id":"7b2c33d7-2ad0-4b17-abf1-5a88db5974ef","resolution":{"observed_at":"2026-08-16T11:26:20.893642Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-17T06:30:58.91139+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-17T06:30:58.91139+00:00","source":"crossref"},{"observed_at":"2026-08-17T06:30:54.323127+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-16T11:26:20.871464Z","title":"Intelligent reflecting surface enhan ced wire- less network via joint active and passive beamforming,","venue":null,"work_id":"e480179a-72ea-483d-a636-bb17cc5da8db","year":2019},"citing_paper":{"arxiv_id":"2504.15737","last_updated":"2025-04-22T09:31:55Z","snapshot_observed_at":"2026-08-16T11:16:46.074502Z","submitted_at":"2025-04-22T09:31:55Z","title":"Energy-Efficient SIM-assisted Communications: How Many Layers Do We Need?","version":1},"reference_index":8,"source":"pdf_text","source_observed_at":"2026-08-16T11:26:19.607496Z"},"links":{"citing_paper":"/paper/2504.15737"},"observation_digest":"sha256:1e29204e1874a736feac782469d0c0d2e9879af85deee931b7eea4f67f8a7769","observation_id":"eea84630-b838-42a1-9a8c-2acd3e4474e6","resolution":{"observed_at":"2026-08-16T11:26:20.878363Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-17T06:30:58.91139+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-17T06:30:58.91139+00:00","source":"crossref"},{"observed_at":"2026-08-17T06:30:54.323127+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":null,"snapshot_observed_at":"2026-08-16T11:26:19.612465Z","title":"Smart radio environments emp owered by reconfigurable intelligent surfaces: How it works, state of research, and the road ahead,","venue":null,"work_id":null,"year":2020},"citing_paper":{"arxiv_id":"2504.15737","last_updated":"2025-04-22T09:31:55Z","snapshot_observed_at":"2026-08-16T11:16:46.074502Z","submitted_at":"2025-04-22T09:31:55Z","title":"Energy-Efficient SIM-assisted Communications: How Many Layers Do We Need?","version":1},"reference_index":9,"source":"pdf_text","source_observed_at":"2026-08-16T11:26:19.612465Z"},"links":{"citing_paper":"/paper/2504.15737"},"observation_digest":"sha256:80305723409cca09107fd329af22f4af4885077de03943cea74ff89441906632","observation_id":"30fd4fc7-407c-4e5c-be71-6c86e73560fa","resolution":{"observed_at":"2026-08-16T11:26:19.612465Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-16T11:26:20.840795Z","title":"Uplink performan ce of RIS-aided cell-free massive MIMO system with electromag netic interference,","venue":null,"work_id":"b22a4a21-c6ec-42cd-9b60-7691ca3b20a6","year":2023},"citing_paper":{"arxiv_id":"2504.15737","last_updated":"2025-04-22T09:31:55Z","snapshot_observed_at":"2026-08-16T11:16:46.074502Z","submitted_at":"2025-04-22T09:31:55Z","title":"Energy-Efficient SIM-assisted Communications: How Many Layers Do We Need?","version":1},"reference_index":10,"source":"pdf_text","source_observed_at":"2026-08-16T11:26:19.617577Z"},"links":{"citing_paper":"/paper/2504.15737"},"observation_digest":"sha256:6f0902b050b8f4853b3edf2183dd557a3f0fea192a6bda03785a32d50ddf64a5","observation_id":"641797d1-9287-4e93-8be0-b0f38937fe5d","resolution":{"observed_at":"2026-08-16T11:26:20.847417Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-17T06:30:58.91139+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-17T06:30:58.91139+00:00","source":"crossref"},{"observed_at":"2026-08-17T06:30:54.323127+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":null,"snapshot_observed_at":"2026-08-16T11:26:19.622503Z","title":"Cooperat ive beamforming for RIS-aided cell-free massive MIMO networks ,","venue":null,"work_id":null,"year":2023},"citing_paper":{"arxiv_id":"2504.15737","last_updated":"2025-04-22T09:31:55Z","snapshot_observed_at":"2026-08-16T11:16:46.074502Z","submitted_at":"2025-04-22T09:31:55Z","title":"Energy-Efficient SIM-assisted Communications: How Many Layers Do We Need?","version":1},"reference_index":11,"source":"pdf_text","source_observed_at":"2026-08-16T11:26:19.622503Z"},"links":{"citing_paper":"/paper/2504.15737"},"observation_digest":"sha256:e58e1c3299dce8f637d702bbe22bfc25acb7d6f0576f0db9a94f73e0e3b527f1","observation_id":"176f7ca1-9859-48cc-8872-42d7a6773016","resolution":{"observed_at":"2026-08-16T11:26:19.622503Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":null,"snapshot_observed_at":"2026-08-16T11:26:19.627321Z","title":"Reconfigurable intelligent surfaces for energy ef ficiency in wireless communication,","venue":null,"work_id":null,"year":2019},"citing_paper":{"arxiv_id":"2504.15737","last_updated":"2025-04-22T09:31:55Z","snapshot_observed_at":"2026-08-16T11:16:46.074502Z","submitted_at":"2025-04-22T09:31:55Z","title":"Energy-Efficient SIM-assisted Communications: How Many Layers Do We Need?","version":1},"reference_index":12,"source":"pdf_text","source_observed_at":"2026-08-16T11:26:19.627321Z"},"links":{"citing_paper":"/paper/2504.15737"},"observation_digest":"sha256:94d68bc9a7965c955e56ae9b78124f906be20ea8bfe764eb66eb67f5ef28a12f","observation_id":"26bb45d7-ff4c-4dfc-a4c0-fa645859d5e8","resolution":{"observed_at":"2026-08-16T11:26:19.627321Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-16T11:26:20.803903Z","title":"Energy efficiency and spectral efficiency tradeoff in RIS-aided mul tiuser MIMO uplink transmission,","venue":null,"work_id":"572a4cca-7e51-41b1-b84d-99a75ce6750b","year":2020},"citing_paper":{"arxiv_id":"2504.15737","last_updated":"2025-04-22T09:31:55Z","snapshot_observed_at":"2026-08-16T11:16:46.074502Z","submitted_at":"2025-04-22T09:31:55Z","title":"Energy-Efficient SIM-assisted Communications: How Many Layers Do We Need?","version":1},"reference_index":13,"source":"pdf_text","source_observed_at":"2026-08-16T11:26:19.633740Z"},"links":{"citing_paper":"/paper/2504.15737"},"observation_digest":"sha256:be1c529eb0dc1b45d6cf22b74d9f14112e4eabea0d07af0898a77d6c07ddd463","observation_id":"9284706f-d480-4102-9511-6c2e4bf83e49","resolution":{"observed_at":"2026-08-16T11:26:20.808664Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-17T06:30:58.91139+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-17T06:30:58.91139+00:00","source":"crossref"},{"observed_at":"2026-08-17T06:30:54.323127+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":null,"snapshot_observed_at":"2026-08-16T11:26:19.643321Z","title":"Energy e fficiency maximization in RIS-aided cell-free network with limited b ackhaul,","venue":null,"work_id":null,"year":1974},"citing_paper":{"arxiv_id":"2504.15737","last_updated":"2025-04-22T09:31:55Z","snapshot_observed_at":"2026-08-16T11:16:46.074502Z","submitted_at":"2025-04-22T09:31:55Z","title":"Energy-Efficient SIM-assisted Communications: How Many Layers Do We Need?","version":1},"reference_index":14,"source":"pdf_text","source_observed_at":"2026-08-16T11:26:19.643321Z"},"links":{"citing_paper":"/paper/2504.15737"},"observation_digest":"sha256:a52d4ea6ad9300b533fd86bba92e9d748ac03829ddad56ba5c25827793e3efe3","observation_id":"c7b1321b-d0ab-45ae-b8d5-2d5ff4bf5bde","resolution":{"observed_at":"2026-08-16T11:26:19.643321Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-16T11:26:20.777607Z","title":"Energy efficie ncy optimization in RIS-aided wireless networks: Active versu s nearly- passive RIS with global reflection constraints,","venue":null,"work_id":"72543560-8576-4cc1-9297-e026d6ed1f98","year":2023},"citing_paper":{"arxiv_id":"2504.15737","last_updated":"2025-04-22T09:31:55Z","snapshot_observed_at":"2026-08-16T11:16:46.074502Z","submitted_at":"2025-04-22T09:31:55Z","title":"Energy-Efficient SIM-assisted Communications: How Many Layers Do We Need?","version":1},"reference_index":15,"source":"pdf_text","source_observed_at":"2026-08-16T11:26:19.649442Z"},"links":{"citing_paper":"/paper/2504.15737"},"observation_digest":"sha256:8f5db986d83080e49236ce449b9fc490f9eada2ab49b7049037148508c3b3c8d","observation_id":"845aa2d6-3182-4d44-a27a-c78cf6776a3a","resolution":{"observed_at":"2026-08-16T11:26:20.782925Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-17T06:30:58.91139+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-17T06:30:58.91139+00:00","source":"crossref"},{"observed_at":"2026-08-17T06:30:54.323127+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-16T11:26:20.763041Z","title":"Low-complexity chann el estimation and passive beamforming for RIS-assisted MIMO s ystems relying on discrete phase shifts,","venue":null,"work_id":"97ec9001-2d91-436a-9bb1-28d9fba81af5","year":2021},"citing_paper":{"arxiv_id":"2504.15737","last_updated":"2025-04-22T09:31:55Z","snapshot_observed_at":"2026-08-16T11:16:46.074502Z","submitted_at":"2025-04-22T09:31:55Z","title":"Energy-Efficient SIM-assisted Communications: How Many Layers Do We Need?","version":1},"reference_index":16,"source":"pdf_text","source_observed_at":"2026-08-16T11:26:19.654847Z"},"links":{"citing_paper":"/paper/2504.15737"},"observation_digest":"sha256:98146a1ecb785f93f64086a3f4744d8c10303f15cf1529a31e3bba9161c4255e","observation_id":"0cddc87e-735a-45bd-9052-385bbec70e10","resolution":{"observed_at":"2026-08-16T11:26:20.767911Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-17T06:30:58.91139+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-17T06:30:58.91139+00:00","source":"crossref"},{"observed_at":"2026-08-17T06:30:54.323127+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-16T11:26:20.746365Z","title":"Reconfigura ble intelligent surfaces: Performance assessment through a sy stem-level simulator,","venue":null,"work_id":"177a30da-4bac-4fb4-a32b-4a40e870c7da","year":2022},"citing_paper":{"arxiv_id":"2504.15737","last_updated":"2025-04-22T09:31:55Z","snapshot_observed_at":"2026-08-16T11:16:46.074502Z","submitted_at":"2025-04-22T09:31:55Z","title":"Energy-Efficient SIM-assisted Communications: How Many Layers Do We Need?","version":1},"reference_index":17,"source":"pdf_text","source_observed_at":"2026-08-16T11:26:19.660491Z"},"links":{"citing_paper":"/paper/2504.15737"},"observation_digest":"sha256:6846585cdff23a5516ccde1bdcf5fae9cb215f843fe7288d58e7d71c86a87d11","observation_id":"9d355c6e-08fd-444c-b2fd-b79b011d3724","resolution":{"observed_at":"2026-08-16T11:26:20.751806Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-17T06:30:58.91139+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-17T06:30:58.91139+00:00","source":"crossref"},{"observed_at":"2026-08-17T06:30:54.323127+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-16T11:26:20.728015Z","title":"On the opti mal number of reflecting elements for reconfigurable intelligen t surfaces,","venue":null,"work_id":"c11901bb-439e-43b7-96c6-cf0ce2809164","year":2021},"citing_paper":{"arxiv_id":"2504.15737","last_updated":"2025-04-22T09:31:55Z","snapshot_observed_at":"2026-08-16T11:16:46.074502Z","submitted_at":"2025-04-22T09:31:55Z","title":"Energy-Efficient SIM-assisted Communications: How Many Layers Do We Need?","version":1},"reference_index":18,"source":"pdf_text","source_observed_at":"2026-08-16T11:26:19.665480Z"},"links":{"citing_paper":"/paper/2504.15737"},"observation_digest":"sha256:84cc089fe79835aec86b27c4bdf03e74e53e45a3b6fb82fcb6448bf0693e3c9e","observation_id":"0f350f35-cb22-4e54-9447-d0a879e47651","resolution":{"observed_at":"2026-08-16T11:26:20.733532Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-17T06:30:58.91139+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-17T06:30:58.91139+00:00","source":"crossref"},{"observed_at":"2026-08-17T06:30:54.323127+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-16T11:26:20.713413Z","title":"All-optical machine learning using diffractive deep neural networks,","venue":null,"work_id":"fe8a5b59-3550-42e8-b398-98fe9b369210","year":2018},"citing_paper":{"arxiv_id":"2504.15737","last_updated":"2025-04-22T09:31:55Z","snapshot_observed_at":"2026-08-16T11:16:46.074502Z","submitted_at":"2025-04-22T09:31:55Z","title":"Energy-Efficient SIM-assisted Communications: How Many Layers Do We Need?","version":1},"reference_index":19,"source":"pdf_text","source_observed_at":"2026-08-16T11:26:19.670125Z"},"links":{"citing_paper":"/paper/2504.15737"},"observation_digest":"sha256:d9b43b879b9a4b6c890152f3dd88f3ec7a2b414c3f893cbea23d1569d30dc7ea","observation_id":"59568b2d-cded-4470-84c5-c2bca00bb6e6","resolution":{"observed_at":"2026-08-16T11:26:20.718340Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-17T06:30:58.91139+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-17T06:30:58.91139+00:00","source":"crossref"},{"observed_at":"2026-08-17T06:30:54.323127+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-16T11:26:20.698252Z","title":"A programmable diffractive deep 14 neural network based on a digital-coding metasurface array ,","venue":null,"work_id":"ff1977cf-05ca-4743-8787-df1a5c3a24d1","year":2022},"citing_paper":{"arxiv_id":"2504.15737","last_updated":"2025-04-22T09:31:55Z","snapshot_observed_at":"2026-08-16T11:16:46.074502Z","submitted_at":"2025-04-22T09:31:55Z","title":"Energy-Efficient SIM-assisted Communications: How Many Layers Do We Need?","version":1},"reference_index":20,"source":"pdf_text","source_observed_at":"2026-08-16T11:26:19.675225Z"},"links":{"citing_paper":"/paper/2504.15737"},"observation_digest":"sha256:eff1720b2e8b506f89484c9b87d27ba6e703d7a342c3d9b26f66ce415820fe08","observation_id":"e95afd13-510e-4c12-93ab-87ea814b86a3","resolution":{"observed_at":"2026-08-16T11:26:20.703510Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-17T06:30:58.91139+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-17T06:30:58.91139+00:00","source":"crossref"},{"observed_at":"2026-08-17T06:30:54.323127+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-16T11:26:20.684290Z","title":"Physically consistent model ing of stacked intelligent metasurfaces implemented with beyond diagona l ris,","venue":null,"work_id":"200ad739-4323-4d68-a876-0325c34ca975","year":2024},"citing_paper":{"arxiv_id":"2504.15737","last_updated":"2025-04-22T09:31:55Z","snapshot_observed_at":"2026-08-16T11:16:46.074502Z","submitted_at":"2025-04-22T09:31:55Z","title":"Energy-Efficient SIM-assisted Communications: How Many Layers Do We Need?","version":1},"reference_index":21,"source":"pdf_text","source_observed_at":"2026-08-16T11:26:19.679481Z"},"links":{"citing_paper":"/paper/2504.15737"},"observation_digest":"sha256:7d7d473e1aacb0fec1852adffa594d0513f9c5911199ff6ee946814f4cdb7aea","observation_id":"6337754b-bc27-46bb-924a-b2a1fa5f4f95","resolution":{"observed_at":"2026-08-16T11:26:20.688941Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-17T06:30:58.91139+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-17T06:30:58.91139+00:00","source":"crossref"},{"observed_at":"2026-08-17T06:30:54.323127+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":{"arxiv_id":"2407.03566","last_updated":"2025-05-02T01:14:56Z","snapshot_observed_at":"2026-08-16T13:37:13.011089Z","submitted_at":"2024-07-04T01:39:52Z","title":"Stacked Intelligent Metasurfaces for Wireless Communications: Applications and Challenges","version":2},"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":"2407.03566","snapshot_observed_at":"2026-08-16T11:26:19.684906Z","title":"Stacked intelligent metasurface s for wireless sensing and communication: Applications and chal lenges,","venue":null,"work_id":null,"year":2024},"citing_paper":{"arxiv_id":"2504.15737","last_updated":"2025-04-22T09:31:55Z","snapshot_observed_at":"2026-08-16T11:16:46.074502Z","submitted_at":"2025-04-22T09:31:55Z","title":"Energy-Efficient SIM-assisted Communications: How Many Layers Do We Need?","version":1},"reference_index":22,"source":"pdf_text","source_observed_at":"2026-08-16T11:26:19.684906Z"},"links":{"cited_paper":"/paper/2407.03566","citing_paper":"/paper/2504.15737"},"observation_digest":"sha256:cdea69eb692235ba66a6950ffc57c1a2cbb30032ffe7bdcdb396097218ad07e7","observation_id":"3b6ac7ce-74c3-4954-b456-ef6e2b0821db","resolution":{"observed_at":"2026-08-16T11:26:19.684906Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-16T11:26:20.667453Z","title":"Stacked intelligent metasurfaces for efficie nt holo- graphic MIMO communications in 6G,","venue":null,"work_id":"acfaddf6-1500-4ae7-879b-febcfa187739","year":2023},"citing_paper":{"arxiv_id":"2504.15737","last_updated":"2025-04-22T09:31:55Z","snapshot_observed_at":"2026-08-16T11:16:46.074502Z","submitted_at":"2025-04-22T09:31:55Z","title":"Energy-Efficient SIM-assisted Communications: How Many Layers Do We Need?","version":1},"reference_index":23,"source":"pdf_text","source_observed_at":"2026-08-16T11:26:19.689622Z"},"links":{"citing_paper":"/paper/2504.15737"},"observation_digest":"sha256:702ad8d7b3f4711a61d025262b2626f6145c96fb69c4020db1778918b641c20f","observation_id":"946c7ea2-6e3f-4fbd-abe2-3291dc6a5744","resolution":{"observed_at":"2026-08-16T11:26:20.673521Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-17T06:30:58.91139+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-17T06:30:58.91139+00:00","source":"crossref"},{"observed_at":"2026-08-17T06:30:54.323127+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-16T11:26:20.652439Z","title":"Performance of double-stacked in telligent metasurface-assisted multiuser massive MIMO communicati ons in the wave domain,","venue":null,"work_id":"3c71fe69-d91b-431d-8a8c-d1c0a065eac1","year":2025},"citing_paper":{"arxiv_id":"2504.15737","last_updated":"2025-04-22T09:31:55Z","snapshot_observed_at":"2026-08-16T11:16:46.074502Z","submitted_at":"2025-04-22T09:31:55Z","title":"Energy-Efficient SIM-assisted Communications: How Many Layers Do We Need?","version":1},"reference_index":24,"source":"pdf_text","source_observed_at":"2026-08-16T11:26:19.694104Z"},"links":{"citing_paper":"/paper/2504.15737"},"observation_digest":"sha256:4875526b2690203fe960388c87e67c8bd6b842a1964a1e8b74fa0b3f4bb1e5b3","observation_id":"a72063cb-ac8c-4833-b45e-cd0a683592b2","resolution":{"observed_at":"2026-08-16T11:26:20.657634Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-17T06:30:58.91139+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-17T06:30:58.91139+00:00","source":"crossref"},{"observed_at":"2026-08-17T06:30:54.323127+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":{"arxiv_id":"2309.16204","last_updated":"2023-09-28T06:54:52Z","snapshot_observed_at":"2026-08-16T14:56:58.003253Z","submitted_at":"2023-09-28T06:54:52Z","title":"Hybrid Digital-Wave Domain Channel Estimator for Stacked Intelligent Metasurface Enabled Multi-User MISO Systems","version":1},"cited_work":{"arxiv_id":"2309.16204","doi":null,"metadata_source":"pith","pith_arxiv_id":"2309.16204","snapshot_observed_at":"2026-08-16T11:26:20.071779Z","title":"Hybrid Digital-Wave Domain Channel Estimator for Stacked Intelligent Metasurface Enabled Multi-User MISO Systems","venue":"cs.IT","work_id":"f212faa4-02e8-4d2b-9f32-4317b060d380","year":2023},"citing_paper":{"arxiv_id":"2504.15737","last_updated":"2025-04-22T09:31:55Z","snapshot_observed_at":"2026-08-16T11:16:46.074502Z","submitted_at":"2025-04-22T09:31:55Z","title":"Energy-Efficient SIM-assisted Communications: How Many Layers Do We Need?","version":1},"reference_index":25,"source":"pdf_text","source_observed_at":"2026-08-16T11:26:19.698649Z"},"links":{"cited_paper":"/paper/2309.16204","citing_paper":"/paper/2504.15737"},"observation_digest":"sha256:8821f451d2e53e016ae35e840937a343757e00968a35af0f8ed391ef1354553d","observation_id":"badf5754-3321-4ea6-b663-9f723d887ec1","resolution":{"observed_at":"2026-08-16T11:26:20.077715Z","resolver_source":"local_arxiv","status":"verified_exact"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-17T06:30:58.91139+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-17T06:30:58.91139+00:00","source":"crossref"},{"observed_at":"2026-08-17T06:30:54.323127+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-16T11:26:20.633277Z","title":"A survey on hybrid beamforming techniques i n 5G: Architecture and system model perspectives,","venue":null,"work_id":"9b087da9-a5e3-43cd-922d-4ccbc9d3a494","year":2018},"citing_paper":{"arxiv_id":"2504.15737","last_updated":"2025-04-22T09:31:55Z","snapshot_observed_at":"2026-08-16T11:16:46.074502Z","submitted_at":"2025-04-22T09:31:55Z","title":"Energy-Efficient SIM-assisted Communications: How Many Layers Do We Need?","version":1},"reference_index":26,"source":"pdf_text","source_observed_at":"2026-08-16T11:26:19.703256Z"},"links":{"citing_paper":"/paper/2504.15737"},"observation_digest":"sha256:0bc318ca341ecde46cba68d29ada5a57c4dd42da6b056437db88d6cb692514c6","observation_id":"cf6c0e6a-57c8-4379-9ab2-2fc5ffa319a9","resolution":{"observed_at":"2026-08-16T11:26:20.639546Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-17T06:30:58.91139+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-17T06:30:58.91139+00:00","source":"crossref"},{"observed_at":"2026-08-17T06:30:54.323127+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-16T11:26:20.616844Z","title":"Machi ne learning based beam selection with low complexity hybrid be amforming design for 5G massive MIMO systems,","venue":null,"work_id":"bb49ed36-1d3a-4a1d-b890-b8dd433b0bd5","year":2021},"citing_paper":{"arxiv_id":"2504.15737","last_updated":"2025-04-22T09:31:55Z","snapshot_observed_at":"2026-08-16T11:16:46.074502Z","submitted_at":"2025-04-22T09:31:55Z","title":"Energy-Efficient SIM-assisted Communications: How Many Layers Do We Need?","version":1},"reference_index":27,"source":"pdf_text","source_observed_at":"2026-08-16T11:26:19.707777Z"},"links":{"citing_paper":"/paper/2504.15737"},"observation_digest":"sha256:a59a067660ca30a81e9cf3537214f026291e8575d08b3485da17fef6a3129cfe","observation_id":"0a563de6-71ca-4161-bddc-dce4864f7993","resolution":{"observed_at":"2026-08-16T11:26:20.621611Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-17T06:30:58.91139+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-17T06:30:58.91139+00:00","source":"crossref"},{"observed_at":"2026-08-17T06:30:54.323127+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-16T11:26:20.600735Z","title":"S tacked intelligent metasurface-based transceiver design for nea r-field wideband systems,","venue":null,"work_id":"86e6d8e8-c48a-42a9-b384-78c9a9f562c6","year":2025},"citing_paper":{"arxiv_id":"2504.15737","last_updated":"2025-04-22T09:31:55Z","snapshot_observed_at":"2026-08-16T11:16:46.074502Z","submitted_at":"2025-04-22T09:31:55Z","title":"Energy-Efficient SIM-assisted Communications: How Many Layers Do We Need?","version":1},"reference_index":28,"source":"pdf_text","source_observed_at":"2026-08-16T11:26:19.713068Z"},"links":{"citing_paper":"/paper/2504.15737"},"observation_digest":"sha256:08eaf745c39a0f3765b2b2c8c536ad3bc472293e451ec62e460e07d00762c2c1","observation_id":"40ae2f49-3c60-478b-a087-9c60a4bd0dac","resolution":{"observed_at":"2026-08-16T11:26:20.605352Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-17T06:30:58.91139+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-17T06:30:58.91139+00:00","source":"crossref"},{"observed_at":"2026-08-17T06:30:54.323127+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":{"arxiv_id":"2405.01104","last_updated":"2024-05-02T09:13:32Z","snapshot_observed_at":"2026-08-16T13:56:03.397297Z","submitted_at":"2024-05-02T09:13:32Z","title":"Multi-user ISAC through Stacked Intelligent Metasurfaces: New Algorithms and Experiments","version":1},"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":"2405.01104","snapshot_observed_at":"2026-08-16T11:26:19.717594Z","title":"Multi-user ISAC through stacked intelligent metasur- faces: New algorithms and experiments,","venue":null,"work_id":null,"year":2024},"citing_paper":{"arxiv_id":"2504.15737","last_updated":"2025-04-22T09:31:55Z","snapshot_observed_at":"2026-08-16T11:16:46.074502Z","submitted_at":"2025-04-22T09:31:55Z","title":"Energy-Efficient SIM-assisted Communications: How Many Layers Do We Need?","version":1},"reference_index":29,"source":"pdf_text","source_observed_at":"2026-08-16T11:26:19.717594Z"},"links":{"cited_paper":"/paper/2405.01104","citing_paper":"/paper/2504.15737"},"observation_digest":"sha256:5f0be234053ad22e78f9ded82bc224d823c79662903dc09a66ea3d5bcf3e4233","observation_id":"aef7ad7c-f236-4f0c-9b27-0ac8d4174b53","resolution":{"observed_at":"2026-08-16T11:26:19.717594Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-16T11:26:20.585901Z","title":"Two-dimensional direction-of-arrival esti mation using stacked intelligent metasurfaces,","venue":null,"work_id":"b4a8bc17-a30c-4cc7-b38c-b3d45b6d6860","year":2024},"citing_paper":{"arxiv_id":"2504.15737","last_updated":"2025-04-22T09:31:55Z","snapshot_observed_at":"2026-08-16T11:16:46.074502Z","submitted_at":"2025-04-22T09:31:55Z","title":"Energy-Efficient SIM-assisted Communications: How Many Layers Do We Need?","version":1},"reference_index":30,"source":"pdf_text","source_observed_at":"2026-08-16T11:26:19.722661Z"},"links":{"citing_paper":"/paper/2504.15737"},"observation_digest":"sha256:36b6bf0bffaa804fd10ca007fa767ac2b2e38c67fd86de70ca22714fdd4d7148","observation_id":"8319bd95-7b1c-44b7-8420-87cf8ca08f04","resolution":{"observed_at":"2026-08-16T11:26:20.590350Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-17T06:30:58.91139+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-17T06:30:58.91139+00:00","source":"crossref"},{"observed_at":"2026-08-17T06:30:54.323127+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-16T11:26:20.570984Z","title":"On the efficie nt design of stacked intelligent metasurfaces for secure SISO transm ission,","venue":null,"work_id":"404a645e-7d41-408b-ae3e-2e7181d965e9","year":2024},"citing_paper":{"arxiv_id":"2504.15737","last_updated":"2025-04-22T09:31:55Z","snapshot_observed_at":"2026-08-16T11:16:46.074502Z","submitted_at":"2025-04-22T09:31:55Z","title":"Energy-Efficient SIM-assisted Communications: How Many Layers Do We Need?","version":1},"reference_index":31,"source":"pdf_text","source_observed_at":"2026-08-16T11:26:19.727111Z"},"links":{"citing_paper":"/paper/2504.15737"},"observation_digest":"sha256:3134699a5039a3884e1e8741cf97d2f2ffdc41b498657ec70f428753a70781ec","observation_id":"f1d1f578-b73c-4832-bdfb-20dfe370b15b","resolution":{"observed_at":"2026-08-16T11:26:20.575766Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-17T06:30:58.91139+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-17T06:30:58.91139+00:00","source":"crossref"},{"observed_at":"2026-08-17T06:30:54.323127+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-16T11:26:20.553670Z","title":"S tacked in- telligent metasurfaces for holographic MIMO aided cell-fr ee networks,","venue":null,"work_id":"223750bb-6481-4de9-9406-b4d22100fe78","year":2024},"citing_paper":{"arxiv_id":"2504.15737","last_updated":"2025-04-22T09:31:55Z","snapshot_observed_at":"2026-08-16T11:16:46.074502Z","submitted_at":"2025-04-22T09:31:55Z","title":"Energy-Efficient SIM-assisted Communications: How Many Layers Do We Need?","version":1},"reference_index":32,"source":"pdf_text","source_observed_at":"2026-08-16T11:26:19.731590Z"},"links":{"citing_paper":"/paper/2504.15737"},"observation_digest":"sha256:8d69f53046e78eb33d1ba74e8c7cd6d5e7f871733e20c6dffe8699040c02e8f5","observation_id":"08709a8a-ea1e-48db-ad2b-c20f10eb99f3","resolution":{"observed_at":"2026-08-16T11:26:20.559674Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-17T06:30:58.91139+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-17T06:30:58.91139+00:00","source":"crossref"},{"observed_at":"2026-08-17T06:30:54.323127+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-16T11:26:20.535055Z","title":"Achievable rate optimization for stacked intelli- gent metasurface-assisted holographic MIMO communicatio ns,","venue":null,"work_id":"13a29d2b-82b9-4d9b-8372-2d06784b6e13","year":2024},"citing_paper":{"arxiv_id":"2504.15737","last_updated":"2025-04-22T09:31:55Z","snapshot_observed_at":"2026-08-16T11:16:46.074502Z","submitted_at":"2025-04-22T09:31:55Z","title":"Energy-Efficient SIM-assisted Communications: How Many Layers Do We Need?","version":1},"reference_index":33,"source":"pdf_text","source_observed_at":"2026-08-16T11:26:19.736060Z"},"links":{"citing_paper":"/paper/2504.15737"},"observation_digest":"sha256:3a7d5d6c8cf2810f9e750734a4573e4417463c0eecf5655e757d570094142339","observation_id":"fa385814-8fc3-48fd-9211-c6a41432a667","resolution":{"observed_at":"2026-08-16T11:26:20.541166Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-17T06:30:58.91139+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-17T06:30:58.91139+00:00","source":"crossref"},{"observed_at":"2026-08-17T06:30:54.323127+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-16T11:26:20.515957Z","title":"Uplink per- formance of stacked intelligent metasurface-enhanced cel l-free massive MIMO systems,","venue":null,"work_id":"48d6bfc9-e7f2-4772-a67e-94f9de7ae5ec","year":2025},"citing_paper":{"arxiv_id":"2504.15737","last_updated":"2025-04-22T09:31:55Z","snapshot_observed_at":"2026-08-16T11:16:46.074502Z","submitted_at":"2025-04-22T09:31:55Z","title":"Energy-Efficient SIM-assisted Communications: How Many Layers Do We Need?","version":1},"reference_index":34,"source":"pdf_text","source_observed_at":"2026-08-16T11:26:19.741407Z"},"links":{"citing_paper":"/paper/2504.15737"},"observation_digest":"sha256:263e366ae87f6f72b7c503f178776f9ddaa2ae9f49211adc74ac23dc48739f41","observation_id":"17e63e17-5cba-4ac3-b295-eb4b0465792e","resolution":{"observed_at":"2026-08-16T11:26:20.520772Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-17T06:30:58.91139+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-17T06:30:58.91139+00:00","source":"crossref"},{"observed_at":"2026-08-17T06:30:54.323127+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-16T11:26:20.500157Z","title":"Joint ap-ue association and precoding for sim-aided cell- free massive mimo systems,","venue":null,"work_id":"db0b9a2c-58a6-4ddf-ab07-e5c23cd5043f","year":2025},"citing_paper":{"arxiv_id":"2504.15737","last_updated":"2025-04-22T09:31:55Z","snapshot_observed_at":"2026-08-16T11:16:46.074502Z","submitted_at":"2025-04-22T09:31:55Z","title":"Energy-Efficient SIM-assisted Communications: How Many Layers Do We Need?","version":1},"reference_index":35,"source":"pdf_text","source_observed_at":"2026-08-16T11:26:19.746056Z"},"links":{"citing_paper":"/paper/2504.15737"},"observation_digest":"sha256:bc853a8bfc10d652a0bc604ef78838276c4d3f51f9a80a72ea056420c078cf41","observation_id":"457bc0a5-72a8-493d-b280-bb0fa2199afd","resolution":{"observed_at":"2026-08-16T11:26:20.505294Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-17T06:30:58.91139+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-17T06:30:58.91139+00:00","source":"crossref"},{"observed_at":"2026-08-17T06:30:54.323127+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":{"arxiv_id":"2501.02555","last_updated":"2025-08-13T05:06:39Z","snapshot_observed_at":"2026-08-16T12:59:40.103935Z","submitted_at":"2025-01-05T14:14:53Z","title":"Scaling Achievable Rates in SIM-aided MIMO Systems with Metasurface Layers: A Hybrid Optimization Framework","version":2},"cited_work":{"arxiv_id":"2501.02555","doi":null,"metadata_source":"pith","pith_arxiv_id":"2501.02555","snapshot_observed_at":"2026-08-16T11:26:20.028240Z","title":"Scaling Achievable Rates in SIM-aided MIMO Systems with Metasurface Layers: A Hybrid Optimization Framework","venue":"eess.SP","work_id":"74ac357b-ae73-4826-a23d-d95bc785424f","year":2025},"citing_paper":{"arxiv_id":"2504.15737","last_updated":"2025-04-22T09:31:55Z","snapshot_observed_at":"2026-08-16T11:16:46.074502Z","submitted_at":"2025-04-22T09:31:55Z","title":"Energy-Efficient SIM-assisted Communications: How Many Layers Do We Need?","version":1},"reference_index":36,"source":"pdf_text","source_observed_at":"2026-08-16T11:26:19.750689Z"},"links":{"cited_paper":"/paper/2501.02555","citing_paper":"/paper/2504.15737"},"observation_digest":"sha256:6c054fe05f9ea4a47afcc5a96230bb3f532ed857e7083ca9ea1461271641901c","observation_id":"21326698-7243-4fa2-bf1d-c67579716ba0","resolution":{"observed_at":"2026-08-16T11:26:20.036249Z","resolver_source":"local_arxiv","status":"verified_exact"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-17T06:30:58.91139+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-17T06:30:58.91139+00:00","source":"crossref"},{"observed_at":"2026-08-17T06:30:54.323127+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-16T11:26:20.484473Z","title":"Achievable rate optimization for large stacked intel- ligent metasurfaces based on statistical CSI,","venue":null,"work_id":"5fb15a01-49a8-46bc-ba41-4ad624b7a5d7","year":2024},"citing_paper":{"arxiv_id":"2504.15737","last_updated":"2025-04-22T09:31:55Z","snapshot_observed_at":"2026-08-16T11:16:46.074502Z","submitted_at":"2025-04-22T09:31:55Z","title":"Energy-Efficient SIM-assisted Communications: How Many Layers Do We Need?","version":1},"reference_index":37,"source":"pdf_text","source_observed_at":"2026-08-16T11:26:19.756082Z"},"links":{"citing_paper":"/paper/2504.15737"},"observation_digest":"sha256:ee5e0eaae698d2b1dbe1670791390bd537690681ad4b1241d75ccffca20446e6","observation_id":"2ffbfa5f-b2fc-474e-9967-101154261770","resolution":{"observed_at":"2026-08-16T11:26:20.489698Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-17T06:30:58.91139+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-17T06:30:58.91139+00:00","source":"crossref"},{"observed_at":"2026-08-17T06:30:54.323127+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":null,"snapshot_observed_at":"2026-08-16T11:26:19.760902Z","title":"Energy -efficient designs for SIM-based broadcast MIMO systems,","venue":null,"work_id":null,"year":2024},"citing_paper":{"arxiv_id":"2504.15737","last_updated":"2025-04-22T09:31:55Z","snapshot_observed_at":"2026-08-16T11:16:46.074502Z","submitted_at":"2025-04-22T09:31:55Z","title":"Energy-Efficient SIM-assisted Communications: How Many Layers Do We Need?","version":1},"reference_index":38,"source":"pdf_text","source_observed_at":"2026-08-16T11:26:19.760902Z"},"links":{"citing_paper":"/paper/2504.15737"},"observation_digest":"sha256:959bad912b18ee89506c0e0ced61a35e02b6821384eb15d0922e2cf49275c0eb","observation_id":"dab20c23-5a51-4360-b4b6-a73089ce8062","resolution":{"observed_at":"2026-08-16T11:26:19.760902Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-16T11:26:20.466164Z","title":"Sta cked intelligent metasurfaces for multiuser downlink beamform ing in the wave domain,","venue":null,"work_id":"22c27196-1822-4005-b057-3a58c9d0c78f","year":2025},"citing_paper":{"arxiv_id":"2504.15737","last_updated":"2025-04-22T09:31:55Z","snapshot_observed_at":"2026-08-16T11:16:46.074502Z","submitted_at":"2025-04-22T09:31:55Z","title":"Energy-Efficient SIM-assisted Communications: How Many Layers Do We Need?","version":1},"reference_index":39,"source":"pdf_text","source_observed_at":"2026-08-16T11:26:19.766358Z"},"links":{"citing_paper":"/paper/2504.15737"},"observation_digest":"sha256:91ca938754c54913ff39442423c7c98e057b64a380ae6e0c21186538607684c3","observation_id":"5e40be38-663d-44f4-94cc-0fc55a56005f","resolution":{"observed_at":"2026-08-16T11:26:20.472290Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-17T06:30:58.91139+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-17T06:30:58.91139+00:00","source":"crossref"},{"observed_at":"2026-08-17T06:30:54.323127+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-16T11:26:20.448399Z","title":"Stacked int elligent metasurface enabled LEO satellite communications relying on statistical CSI,","venue":null,"work_id":"c6cf8249-3fc4-4d93-afe5-35d0accc6f3b","year":2024},"citing_paper":{"arxiv_id":"2504.15737","last_updated":"2025-04-22T09:31:55Z","snapshot_observed_at":"2026-08-16T11:16:46.074502Z","submitted_at":"2025-04-22T09:31:55Z","title":"Energy-Efficient SIM-assisted Communications: How Many Layers Do We Need?","version":1},"reference_index":40,"source":"pdf_text","source_observed_at":"2026-08-16T11:26:19.771688Z"},"links":{"citing_paper":"/paper/2504.15737"},"observation_digest":"sha256:c545c775d579c23d8e00030cbafbb6218925538641db22baeffb452b318d8832","observation_id":"e125f0b5-44bf-4693-b27a-53d68731bdd0","resolution":{"observed_at":"2026-08-16T11:26:20.454191Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-17T06:30:58.91139+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-17T06:30:58.91139+00:00","source":"crossref"},{"observed_at":"2026-08-17T06:30:54.323127+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-16T11:26:20.427222Z","title":"Holographic MIMO communications with arbitrary surface p lace- ments: Near-field LoS channel model and capacity limit,","venue":null,"work_id":"5f8aef1a-dd8c-4fe3-b72d-b2fba17ca56a","year":2024},"citing_paper":{"arxiv_id":"2504.15737","last_updated":"2025-04-22T09:31:55Z","snapshot_observed_at":"2026-08-16T11:16:46.074502Z","submitted_at":"2025-04-22T09:31:55Z","title":"Energy-Efficient SIM-assisted Communications: How Many Layers Do We Need?","version":1},"reference_index":41,"source":"pdf_text","source_observed_at":"2026-08-16T11:26:19.777306Z"},"links":{"citing_paper":"/paper/2504.15737"},"observation_digest":"sha256:cec9417e16617009f497f1a15f5c3e5c3cc05e5c90659391a5aafc396174cd44","observation_id":"787bec94-b7c7-4457-b269-144ade7b947c","resolution":{"observed_at":"2026-08-16T11:26:20.433591Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-17T06:30:58.91139+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-17T06:30:58.91139+00:00","source":"crossref"},{"observed_at":"2026-08-17T06:30:54.323127+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-16T11:26:20.409664Z","title":"Rayleigh fading mode ling and chan- nel hardening for reconfigurable intelligent surfaces,","venue":null,"work_id":"41b1e463-c0a1-4d43-9855-22e489f9b741","year":2020},"citing_paper":{"arxiv_id":"2504.15737","last_updated":"2025-04-22T09:31:55Z","snapshot_observed_at":"2026-08-16T11:16:46.074502Z","submitted_at":"2025-04-22T09:31:55Z","title":"Energy-Efficient SIM-assisted Communications: How Many Layers Do We Need?","version":1},"reference_index":42,"source":"pdf_text","source_observed_at":"2026-08-16T11:26:19.782210Z"},"links":{"citing_paper":"/paper/2504.15737"},"observation_digest":"sha256:3cce097c994e523341ccdb524515d02f46dca6a6b166323a6f01afa4a74cb8e6","observation_id":"eb4494dd-1841-4b19-9dbb-72462284634d","resolution":{"observed_at":"2026-08-16T11:26:20.414868Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-17T06:30:58.91139+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-17T06:30:58.91139+00:00","source":"crossref"},{"observed_at":"2026-08-17T06:30:54.323127+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-16T11:26:20.391433Z","title":"Channel customiza tion for joint Tx-RISs-Rx design in hybrid mmwave systems,","venue":null,"work_id":"72d8e0d0-71a2-45c9-b306-b9bb0a09a1aa","year":2023},"citing_paper":{"arxiv_id":"2504.15737","last_updated":"2025-04-22T09:31:55Z","snapshot_observed_at":"2026-08-16T11:16:46.074502Z","submitted_at":"2025-04-22T09:31:55Z","title":"Energy-Efficient SIM-assisted Communications: How Many Layers Do We Need?","version":1},"reference_index":43,"source":"pdf_text","source_observed_at":"2026-08-16T11:26:19.787296Z"},"links":{"citing_paper":"/paper/2504.15737"},"observation_digest":"sha256:f47520ef55bfac5a9dc0e27d64ef82013f5cd268fea6501fdc2b28117c1a13e9","observation_id":"95c90158-839c-4a92-9622-4c38102092e9","resolution":{"observed_at":"2026-08-16T11:26:20.397574Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-17T06:30:58.91139+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-17T06:30:58.91139+00:00","source":"crossref"},{"observed_at":"2026-08-17T06:30:54.323127+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-16T11:26:20.375671Z","title":"E nergy- efficient design in STAR-RIS assisted communication system with antenna selection,","venue":null,"work_id":"343f1553-7529-4aa5-8264-d1e248d1bbeb","year":2023},"citing_paper":{"arxiv_id":"2504.15737","last_updated":"2025-04-22T09:31:55Z","snapshot_observed_at":"2026-08-16T11:16:46.074502Z","submitted_at":"2025-04-22T09:31:55Z","title":"Energy-Efficient SIM-assisted Communications: How Many Layers Do We Need?","version":1},"reference_index":44,"source":"pdf_text","source_observed_at":"2026-08-16T11:26:19.792442Z"},"links":{"citing_paper":"/paper/2504.15737"},"observation_digest":"sha256:f1fced74e097f40c5b748a3ef13f57def3ad2933c86c8953334ebf06afa8c840","observation_id":"6fd0467e-9780-4283-ba66-e4beef2d1a4f","resolution":{"observed_at":"2026-08-16T11:26:20.381043Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-17T06:30:58.91139+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-17T06:30:58.91139+00:00","source":"crossref"},{"observed_at":"2026-08-17T06:30:54.323127+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-16T11:26:20.230470Z","title":"Energy-efficient multicell multigroup multica sting with joint beamforming and antenna selection,","venue":null,"work_id":"a288ef06-b19c-4d50-b08e-667612f2d475","year":2018},"citing_paper":{"arxiv_id":"2504.15737","last_updated":"2025-04-22T09:31:55Z","snapshot_observed_at":"2026-08-16T11:16:46.074502Z","submitted_at":"2025-04-22T09:31:55Z","title":"Energy-Efficient SIM-assisted Communications: How Many Layers Do We Need?","version":1},"reference_index":45,"source":"pdf_text","source_observed_at":"2026-08-16T11:26:19.797254Z"},"links":{"citing_paper":"/paper/2504.15737"},"observation_digest":"sha256:0068719bf065a0df77f849a8cbb64f82bfa5df11d95522e29d84ad37d4f64b63","observation_id":"fb9f799b-728b-44b1-9688-5644fd6c076d","resolution":{"observed_at":"2026-08-16T11:26:20.235377Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-17T06:30:58.91139+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-17T06:30:58.91139+00:00","source":"crossref"},{"observed_at":"2026-08-17T06:30:54.323127+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-16T11:26:20.214032Z","title":"Fractional programming for communic ation systems—part i: Power control and beamforming,","venue":null,"work_id":"802e66e0-9397-45c6-8f1a-39cb57807f50","year":2018},"citing_paper":{"arxiv_id":"2504.15737","last_updated":"2025-04-22T09:31:55Z","snapshot_observed_at":"2026-08-16T11:16:46.074502Z","submitted_at":"2025-04-22T09:31:55Z","title":"Energy-Efficient SIM-assisted Communications: How Many Layers Do We Need?","version":1},"reference_index":46,"source":"pdf_text","source_observed_at":"2026-08-16T11:26:19.801863Z"},"links":{"citing_paper":"/paper/2504.15737"},"observation_digest":"sha256:508b53bee600a6d578ce2330d28d1fbef4df1e2d90be84f07c3d34d8e957d71e","observation_id":"7a6f0356-4061-4a93-8cea-a445e22e3582","resolution":{"observed_at":"2026-08-16T11:26:20.219617Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-17T06:30:58.91139+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-17T06:30:58.91139+00:00","source":"crossref"},{"observed_at":"2026-08-17T06:30:54.323127+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":null,"snapshot_observed_at":"2026-08-16T11:26:19.806267Z","title":"An iterativ ely weighted MMSE approach to distributed sum-utility maximization for a MIMO interfering broadcast channel,","venue":null,"work_id":null,"year":2011},"citing_paper":{"arxiv_id":"2504.15737","last_updated":"2025-04-22T09:31:55Z","snapshot_observed_at":"2026-08-16T11:16:46.074502Z","submitted_at":"2025-04-22T09:31:55Z","title":"Energy-Efficient SIM-assisted Communications: How Many Layers Do We Need?","version":1},"reference_index":47,"source":"pdf_text","source_observed_at":"2026-08-16T11:26:19.806267Z"},"links":{"citing_paper":"/paper/2504.15737"},"observation_digest":"sha256:b211edacef28e8f0a63f47cf1599d53cdf0ac6b75053eef5915dad7cfb35c9a5","observation_id":"874bb44a-d644-4c62-ae64-eb6d30d2ad9a","resolution":{"observed_at":"2026-08-16T11:26:19.806267Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":null,"snapshot_observed_at":"2026-08-16T11:26:19.811763Z","title":"Antenna selection in MIM O systems,","venue":null,"work_id":null,"year":2004},"citing_paper":{"arxiv_id":"2504.15737","last_updated":"2025-04-22T09:31:55Z","snapshot_observed_at":"2026-08-16T11:16:46.074502Z","submitted_at":"2025-04-22T09:31:55Z","title":"Energy-Efficient SIM-assisted Communications: How Many Layers Do We Need?","version":1},"reference_index":48,"source":"pdf_text","source_observed_at":"2026-08-16T11:26:19.811763Z"},"links":{"citing_paper":"/paper/2504.15737"},"observation_digest":"sha256:30634abe375ff7f7482f8b0f788a60a6e25d6d1f7d470cfc31ee06ac11ef5a0a","observation_id":"cefb032e-465e-4d87-8a40-d850cf2eee0e","resolution":{"observed_at":"2026-08-16T11:26:19.811763Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}},{"citation":{"cited_paper":{"arxiv_id":"2411.11070","last_updated":"2024-11-17T13:19:25Z","snapshot_observed_at":"2026-08-16T00:28:25.710039Z","submitted_at":"2024-11-17T13:19:25Z","title":"Joint Precoding and AP Selection for Energy Efficient RIS-aided Cell-Free Massive MIMO Using Multi-agent Reinforcement Learning","version":1},"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":"2411.11070","snapshot_observed_at":"2026-08-16T11:26:19.816502Z","title":"Joint precoding and AP selection for energy effici ent RIS-aided cell-free massive MIMO using multi-agent reinfo rcement learning,","venue":null,"work_id":null,"year":2024},"citing_paper":{"arxiv_id":"2504.15737","last_updated":"2025-04-22T09:31:55Z","snapshot_observed_at":"2026-08-16T11:16:46.074502Z","submitted_at":"2025-04-22T09:31:55Z","title":"Energy-Efficient SIM-assisted Communications: How Many Layers Do We Need?","version":1},"reference_index":49,"source":"pdf_text","source_observed_at":"2026-08-16T11:26:19.816502Z"},"links":{"cited_paper":"/paper/2411.11070","citing_paper":"/paper/2504.15737"},"observation_digest":"sha256:4ba28980f42c3cf31362796908fdd6a76badd78052e46123b15f008d33e0a9f3","observation_id":"f9ff4517-4691-46b9-a40f-a8a329bc88a5","resolution":{"observed_at":"2026-08-16T11:26:19.816502Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-16T11:26:20.179109Z","title":"Semidefinite programming ,","venue":null,"work_id":"5164a8ab-e8f2-4aba-9c33-3c461c34a88f","year":1996},"citing_paper":{"arxiv_id":"2504.15737","last_updated":"2025-04-22T09:31:55Z","snapshot_observed_at":"2026-08-16T11:16:46.074502Z","submitted_at":"2025-04-22T09:31:55Z","title":"Energy-Efficient SIM-assisted Communications: How Many Layers Do We Need?","version":1},"reference_index":50,"source":"pdf_text","source_observed_at":"2026-08-16T11:26:19.821715Z"},"links":{"citing_paper":"/paper/2504.15737"},"observation_digest":"sha256:d09f92fe7e621921cb2db9720ad7b2a362ec1d8b7b94a8f628829f5fdd598b7e","observation_id":"244f5c49-0c9e-42b9-bf03-5e2b637c5610","resolution":{"observed_at":"2026-08-16T11:26:20.183614Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-17T06:30:58.91139+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-17T06:30:58.91139+00:00","source":"crossref"},{"observed_at":"2026-08-17T06:30:54.323127+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-16T11:26:20.162451Z","title":"Exploiti ng intelligent reflecting surfaces in NOMA networks: Joint beamforming opt imiza- tion,","venue":null,"work_id":"078f9a5e-529b-4c31-b15c-f99c636049b5","year":2020},"citing_paper":{"arxiv_id":"2504.15737","last_updated":"2025-04-22T09:31:55Z","snapshot_observed_at":"2026-08-16T11:16:46.074502Z","submitted_at":"2025-04-22T09:31:55Z","title":"Energy-Efficient SIM-assisted Communications: How Many Layers Do We Need?","version":1},"reference_index":51,"source":"pdf_text","source_observed_at":"2026-08-16T11:26:19.826109Z"},"links":{"citing_paper":"/paper/2504.15737"},"observation_digest":"sha256:7635b1f00dadd655d7729a850ed9ad3f31265369e421054a5fe084deacd5d3e4","observation_id":"b8a195d7-125f-4560-9972-f95781a5c90e","resolution":{"observed_at":"2026-08-16T11:26:20.167771Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-17T06:30:58.91139+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-17T06:30:58.91139+00:00","source":"crossref"},{"observed_at":"2026-08-17T06:30:54.323127+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-16T11:26:20.142921Z","title":"Intelligent reflecting surface-assisted MU-MISO systems with imperfect hardware: Channel estimation and beamforming de sign,","venue":null,"work_id":"089e516e-7516-4d88-9a07-81a3a086040c","year":2021},"citing_paper":{"arxiv_id":"2504.15737","last_updated":"2025-04-22T09:31:55Z","snapshot_observed_at":"2026-08-16T11:16:46.074502Z","submitted_at":"2025-04-22T09:31:55Z","title":"Energy-Efficient SIM-assisted Communications: How Many Layers Do We Need?","version":1},"reference_index":52,"source":"pdf_text","source_observed_at":"2026-08-16T11:26:19.830954Z"},"links":{"citing_paper":"/paper/2504.15737"},"observation_digest":"sha256:1cbe7f6faf338cdbd95f71952e7354df2fe8680ba3ae44df3d2b0cf7b92307b6","observation_id":"42ff537c-d7a9-4563-b70b-447b530010e0","resolution":{"observed_at":"2026-08-16T11:26:20.149525Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-17T06:30:58.91139+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-17T06:30:58.91139+00:00","source":"crossref"},{"observed_at":"2026-08-17T06:30:54.323127+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-16T11:26:20.123118Z","title":"Minimization of functions having lipschit z continuous first partial derivatives,","venue":null,"work_id":"6862aee7-2a2b-470f-ad5d-0ebe4e5d3555","year":1966},"citing_paper":{"arxiv_id":"2504.15737","last_updated":"2025-04-22T09:31:55Z","snapshot_observed_at":"2026-08-16T11:16:46.074502Z","submitted_at":"2025-04-22T09:31:55Z","title":"Energy-Efficient SIM-assisted Communications: How Many Layers Do We Need?","version":1},"reference_index":53,"source":"pdf_text","source_observed_at":"2026-08-16T11:26:19.835679Z"},"links":{"citing_paper":"/paper/2504.15737"},"observation_digest":"sha256:54d21457b3728139bcf5941951f4dcc702db17909e4a1c6f8516b80ddca2728e","observation_id":"b4bf865c-aaae-4c32-8516-06fbc41aba3b","resolution":{"observed_at":"2026-08-16T11:26:20.129854Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-17T06:30:58.91139+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-17T06:30:58.91139+00:00","source":"crossref"},{"observed_at":"2026-08-17T06:30:54.323127+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-16T11:26:20.105573Z","title":"Wideband millimeter-wave propagation measurements and c hannel models for future wireless communication system design,","venue":null,"work_id":"d31e3a05-ad3f-453a-b03e-8ee8a34ed5d4","year":2015},"citing_paper":{"arxiv_id":"2504.15737","last_updated":"2025-04-22T09:31:55Z","snapshot_observed_at":"2026-08-16T11:16:46.074502Z","submitted_at":"2025-04-22T09:31:55Z","title":"Energy-Efficient SIM-assisted Communications: How Many Layers Do We Need?","version":1},"reference_index":54,"source":"pdf_text","source_observed_at":"2026-08-16T11:26:19.840620Z"},"links":{"citing_paper":"/paper/2504.15737"},"observation_digest":"sha256:1b0b667c58e8226995b313f3c664f2f9f8279e8d00d1b28b5dab4b928cdf7eca","observation_id":"3aa39316-20a2-48c5-805b-6533558f28c2","resolution":{"observed_at":"2026-08-16T11:26:20.110872Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-17T06:30:58.91139+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-17T06:30:58.91139+00:00","source":"crossref"},{"observed_at":"2026-08-17T06:30:54.323127+00:00","source":"retraction_watch"}],"state":"measured"}}],"paper":{"arxiv_id":"2504.15737","last_updated":"2025-04-22T09:31:55Z","latest_version":1,"primary_category":"cs.IT","snapshot_observed_at":"2026-08-16T11:16:46.074502Z","submitted_at":"2025-04-22T09:31:55Z","title":"Energy-Efficient SIM-assisted Communications: How Many Layers Do We Need?"},"reference_resolution":{"displayed":54,"state_counts":{"malformed_identifier":0,"metadata_mismatch":0,"parse_uncertain":0,"unresolved":11,"verified_exact":2,"verified_fuzzy":41},"total_outbound_references":54},"refusal":"A citation records a reference. It does not transfer a finding from one paper to another.","schema":"pith.paper-citation-record.v1","standing_sources":[{"observed_at":"2026-08-17T06:30:58.91139+00:00","source":"crossref"},{"observed_at":"2026-08-17T06:30:54.323127+00:00","source":"retraction_watch"}],"thesis":"As of 18 August 2026, this Paper Citation Record lists 54 of 54 outbound references and 2 inbound Pith citation observations for arXiv:2504.15737."}