{"as_of":"2026-08-16T12:35:00Z","caps":{"database_statements":6,"inbound":100,"outbound":100},"context_digest":"sha256:e1f5aa19f5e5c95d375bd00b827be89de12fb50491755681e75794e5e38776eb","coverage":[{"denominator":49,"lane":"reference_resolution","note":"Typed states for the displayed outbound observations.","records_observed":49,"source":"paper_references, paper_reference_links","source_observed_at":"2026-08-14T05:54:56.539178Z","state":"measured"},{"denominator":49,"lane":"standing_notices","note":"One-hop event checks from named stored sources.","records_observed":49,"source":"scholarly_work_events, retraction_status_cache","source_observed_at":"2026-08-16T06:30:59.297886+00:00","state":"measured"},{"denominator":0,"lane":"inbound_itemization","note":"Pith citing papers itemized under the disclosed page cap.","records_observed":0,"source":"paper_references, paper_reference_links","source_observed_at":null,"state":"measured"},{"denominator":1,"lane":"external_citation_measurements","note":"A source-named dated measurement, never combined with another source.","records_observed":0,"source":"cited_works","source_observed_at":null,"state":"measured"}],"external_citation_measurements":[],"inbound":[],"links":{"evidence":"/evidence","html":"/paper/1909.00631/citation-record","integrity":"/paper/1909.00631/integrity","json":"/paper/1909.00631/citation-record.json","paper":"/paper/1909.00631"},"outbound":[{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-14T05:54:57.030314Z","title":"Ambient backscatter training for retrodirective wireless power transfer,","venue":null,"work_id":"12117b9f-3f42-4846-a94f-634d59ae6f2c","year":2020},"citing_paper":{"arxiv_id":"1909.00631","last_updated":"2020-08-11T21:09:01Z","snapshot_observed_at":"2026-08-16T10:33:09.335077Z","submitted_at":"2019-09-02T09:40:22Z","title":"Design of Ambient Backscatter Training for Wireless Power Transfer","version":2},"reference_index":1,"source":"pdf_text","source_observed_at":"2026-08-14T05:54:56.375159Z"},"links":{"citing_paper":"/paper/1909.00631"},"observation_digest":"sha256:d3f7c6a468133f88069b1198210c10bfba55c14f84c986e50a06439c38c75604","observation_id":"8c06b8d6-497f-40f9-88e6-fe9979906c7d","resolution":{"observed_at":"2026-08-14T05:54:57.033569Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-16T06:30:59.297886+00:00","source":"crossref"},{"observed_at":"2026-08-16T06:30:54.164669+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":"2026-08-14T05:54:57.021739Z","title":"[Online]","venue":null,"work_id":"d7132fca-bc96-4282-8c4b-1cfb8a6f04eb","year":2019},"citing_paper":{"arxiv_id":"1909.00631","last_updated":"2020-08-11T21:09:01Z","snapshot_observed_at":"2026-08-16T10:33:09.335077Z","submitted_at":"2019-09-02T09:40:22Z","title":"Design of Ambient Backscatter Training for Wireless Power Transfer","version":2},"reference_index":2,"source":"pdf_text","source_observed_at":"2026-08-14T05:54:56.379348Z"},"links":{"citing_paper":"/paper/1909.00631"},"observation_digest":"sha256:0442b6792551e8afa2ee089554a64c4cc12b0435c9ddda4db3f8cf5b894ce201","observation_id":"2dc0c7f7-e117-4f21-8f6c-fefd216b9ff3","resolution":{"observed_at":"2026-08-14T05:54:57.024759Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-16T06:30:59.297886+00:00","source":"crossref"},{"observed_at":"2026-08-16T06:30:54.164669+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":"2026-08-14T05:54:57.012564Z","title":"[Online]","venue":null,"work_id":"3d6800db-cfbe-4944-9438-093bd8f13590","year":2018},"citing_paper":{"arxiv_id":"1909.00631","last_updated":"2020-08-11T21:09:01Z","snapshot_observed_at":"2026-08-16T10:33:09.335077Z","submitted_at":"2019-09-02T09:40:22Z","title":"Design of Ambient Backscatter Training for Wireless Power Transfer","version":2},"reference_index":3,"source":"pdf_text","source_observed_at":"2026-08-14T05:54:56.382772Z"},"links":{"citing_paper":"/paper/1909.00631"},"observation_digest":"sha256:04951f5b58f826fc76a2d5b1a78221a8194f07937c78de4f7313150509cf8e97","observation_id":"50132f95-9f30-4369-a429-9701c0785553","resolution":{"observed_at":"2026-08-14T05:54:57.015738Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-16T06:30:59.297886+00:00","source":"crossref"},{"observed_at":"2026-08-16T06:30:54.164669+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":"2026-08-14T05:54:57.004091Z","title":"[Online]","venue":null,"work_id":"3e85d1f0-b13f-47d2-9b2e-28bdbb5cc4ff","year":2019},"citing_paper":{"arxiv_id":"1909.00631","last_updated":"2020-08-11T21:09:01Z","snapshot_observed_at":"2026-08-16T10:33:09.335077Z","submitted_at":"2019-09-02T09:40:22Z","title":"Design of Ambient Backscatter Training for Wireless Power Transfer","version":2},"reference_index":4,"source":"pdf_text","source_observed_at":"2026-08-14T05:54:56.386161Z"},"links":{"citing_paper":"/paper/1909.00631"},"observation_digest":"sha256:359a0d8f9d73d18fd847999cb0266a6c47b843c294502b464541d06ffdf19d5b","observation_id":"ab31212e-a671-43a3-ab42-ff30548f07f5","resolution":{"observed_at":"2026-08-14T05:54:57.007192Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-16T06:30:59.297886+00:00","source":"crossref"},{"observed_at":"2026-08-16T06:30:54.164669+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":"2026-08-14T05:54:56.994158Z","title":null,"venue":null,"work_id":"0f459f63-f841-4663-9687-39a284af7f42","year":2017},"citing_paper":{"arxiv_id":"1909.00631","last_updated":"2020-08-11T21:09:01Z","snapshot_observed_at":"2026-08-16T10:33:09.335077Z","submitted_at":"2019-09-02T09:40:22Z","title":"Design of Ambient Backscatter Training for Wireless Power Transfer","version":2},"reference_index":5,"source":"pdf_text","source_observed_at":"2026-08-14T05:54:56.389545Z"},"links":{"citing_paper":"/paper/1909.00631"},"observation_digest":"sha256:69d234a23ff7fea32216cb589f32fb3f711faad7ad9858a2a3a4b3c4d9153c07","observation_id":"4036a03a-5ad2-4a5b-8ca5-04b483d8a0b0","resolution":{"observed_at":"2026-08-14T05:54:56.997846Z","resolver_source":"raw_fallback","status":"unresolved"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-16T06:30:59.297886+00:00","source":"crossref"},{"observed_at":"2026-08-16T06:30:54.164669+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":"2026-08-14T05:54:56.984874Z","title":"Cutting the last wires for mobile communi- cations by microwave power transfer,","venue":null,"work_id":"326325b3-7c3f-4215-82b9-f5ba3a518a6e","year":2015},"citing_paper":{"arxiv_id":"1909.00631","last_updated":"2020-08-11T21:09:01Z","snapshot_observed_at":"2026-08-16T10:33:09.335077Z","submitted_at":"2019-09-02T09:40:22Z","title":"Design of Ambient Backscatter Training for Wireless Power Transfer","version":2},"reference_index":6,"source":"pdf_text","source_observed_at":"2026-08-14T05:54:56.392653Z"},"links":{"citing_paper":"/paper/1909.00631"},"observation_digest":"sha256:394f03d62b178b6c1c8b3ff1ef55568f8118fd30a928259a49739a7da46b5d10","observation_id":"8cdafdfc-0836-47c2-a375-6c3b04f657f4","resolution":{"observed_at":"2026-08-14T05:54:56.987971Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-16T06:30:59.297886+00:00","source":"crossref"},{"observed_at":"2026-08-16T06:30:54.164669+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":"2026-08-14T05:54:56.975973Z","title":"Wireless powered communication: opportunities and challenges,","venue":null,"work_id":"49945851-380f-4093-8f2b-15b4243ee30b","year":2015},"citing_paper":{"arxiv_id":"1909.00631","last_updated":"2020-08-11T21:09:01Z","snapshot_observed_at":"2026-08-16T10:33:09.335077Z","submitted_at":"2019-09-02T09:40:22Z","title":"Design of Ambient Backscatter Training for Wireless Power Transfer","version":2},"reference_index":7,"source":"pdf_text","source_observed_at":"2026-08-14T05:54:56.396644Z"},"links":{"citing_paper":"/paper/1909.00631"},"observation_digest":"sha256:de7fc2d35b8dd872f584e6d55a50594b7447be720640b871d1be981a27e9001d","observation_id":"53acd04e-2cb0-40b4-9d3a-11807958d5dd","resolution":{"observed_at":"2026-08-14T05:54:56.979179Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-16T06:30:59.297886+00:00","source":"crossref"},{"observed_at":"2026-08-16T06:30:54.164669+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":"2026-08-14T05:54:56.965920Z","title":"Communications and signals design for wireless power transmission,","venue":null,"work_id":"6727fcdd-ccea-4c66-97ec-9c339b2f1645","year":2017},"citing_paper":{"arxiv_id":"1909.00631","last_updated":"2020-08-11T21:09:01Z","snapshot_observed_at":"2026-08-16T10:33:09.335077Z","submitted_at":"2019-09-02T09:40:22Z","title":"Design of Ambient Backscatter Training for Wireless Power Transfer","version":2},"reference_index":8,"source":"pdf_text","source_observed_at":"2026-08-14T05:54:56.399479Z"},"links":{"citing_paper":"/paper/1909.00631"},"observation_digest":"sha256:91a265c969744300397933df0623328f33fd9f27520f5186201ea06185de6ce9","observation_id":"04418ed0-fab7-45eb-bc14-4fe7b1e444c5","resolution":{"observed_at":"2026-08-14T05:54:56.969666Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-16T06:30:59.297886+00:00","source":"crossref"},{"observed_at":"2026-08-16T06:30:54.164669+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":"2026-08-14T05:54:56.956461Z","title":"Wireless power transfer with hybrid beamforming: How many RF chains do we need?","venue":null,"work_id":"5b706d53-9951-41e9-a3e5-88ff3362e70b","year":2018},"citing_paper":{"arxiv_id":"1909.00631","last_updated":"2020-08-11T21:09:01Z","snapshot_observed_at":"2026-08-16T10:33:09.335077Z","submitted_at":"2019-09-02T09:40:22Z","title":"Design of Ambient Backscatter Training for Wireless Power Transfer","version":2},"reference_index":9,"source":"pdf_text","source_observed_at":"2026-08-14T05:54:56.402849Z"},"links":{"citing_paper":"/paper/1909.00631"},"observation_digest":"sha256:5b8283f58890a89295c5945978cd2a1e0511af1ea83c235854a210a1748f7a8a","observation_id":"eea424d4-8d36-4848-97a6-00ff14494326","resolution":{"observed_at":"2026-08-14T05:54:56.960130Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-16T06:30:59.297886+00:00","source":"crossref"},{"observed_at":"2026-08-16T06:30:54.164669+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":"2026-08-14T05:54:56.947027Z","title":"Beamforming in wireless energy harvesting communications systems: A survey,","venue":null,"work_id":"8455368a-4bb9-4327-ba57-d1d67c33303b","year":2018},"citing_paper":{"arxiv_id":"1909.00631","last_updated":"2020-08-11T21:09:01Z","snapshot_observed_at":"2026-08-16T10:33:09.335077Z","submitted_at":"2019-09-02T09:40:22Z","title":"Design of Ambient Backscatter Training for Wireless Power Transfer","version":2},"reference_index":10,"source":"pdf_text","source_observed_at":"2026-08-14T05:54:56.406192Z"},"links":{"citing_paper":"/paper/1909.00631"},"observation_digest":"sha256:ad8877f73a426ae76456925bbebc614edd82c5db72d10cfeb580f6c411976288","observation_id":"43d5e2c4-aabd-4741-9788-eee673370364","resolution":{"observed_at":"2026-08-14T05:54:56.950362Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-16T06:30:59.297886+00:00","source":"crossref"},{"observed_at":"2026-08-16T06:30:54.164669+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":"2026-08-14T05:54:56.936735Z","title":"Multi-antenna wireless powered com- munication with energy beamforming,","venue":null,"work_id":"a2fbd9cc-2c82-4cf6-bb77-d15532c15a3c","year":2014},"citing_paper":{"arxiv_id":"1909.00631","last_updated":"2020-08-11T21:09:01Z","snapshot_observed_at":"2026-08-16T10:33:09.335077Z","submitted_at":"2019-09-02T09:40:22Z","title":"Design of Ambient Backscatter Training for Wireless Power Transfer","version":2},"reference_index":11,"source":"pdf_text","source_observed_at":"2026-08-14T05:54:56.409376Z"},"links":{"citing_paper":"/paper/1909.00631"},"observation_digest":"sha256:dffaf7f33bdd727f7b2ab60b9a2f55826af7a09b47b6c7051d13086f6f2bb3a0","observation_id":"33fbf130-a3d1-4742-b953-913b51e1f283","resolution":{"observed_at":"2026-08-14T05:54:56.940168Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-16T06:30:59.297886+00:00","source":"crossref"},{"observed_at":"2026-08-16T06:30:54.164669+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":"2026-08-14T05:54:56.917617Z","title":"Optimized training for net energy maximization in multi-antenna wireless energy transfer over frequency-selective channel,","venue":null,"work_id":"023a29df-bd4b-4cb7-962e-d4aa10702303","year":2015},"citing_paper":{"arxiv_id":"1909.00631","last_updated":"2020-08-11T21:09:01Z","snapshot_observed_at":"2026-08-16T10:33:09.335077Z","submitted_at":"2019-09-02T09:40:22Z","title":"Design of Ambient Backscatter Training for Wireless Power Transfer","version":2},"reference_index":13,"source":"pdf_text","source_observed_at":"2026-08-14T05:54:56.416463Z"},"links":{"citing_paper":"/paper/1909.00631"},"observation_digest":"sha256:f2886e3016cc16ff5fe920a3457e5ff22b5655b3ac818eeed98b158a2e41d0b2","observation_id":"fd5462d2-ebcd-45e6-b068-da139450d4dd","resolution":{"observed_at":"2026-08-14T05:54:56.920943Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-16T06:30:59.297886+00:00","source":"crossref"},{"observed_at":"2026-08-16T06:30:54.164669+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":"2026-08-14T05:54:56.908236Z","title":"Dynamic resource allocation for multiple-antenna wireless power transfer,","venue":null,"work_id":"df43121e-45e2-46e7-bf4a-9c4e6d6fb5d0","year":2014},"citing_paper":{"arxiv_id":"1909.00631","last_updated":"2020-08-11T21:09:01Z","snapshot_observed_at":"2026-08-16T10:33:09.335077Z","submitted_at":"2019-09-02T09:40:22Z","title":"Design of Ambient Backscatter Training for Wireless Power Transfer","version":2},"reference_index":14,"source":"pdf_text","source_observed_at":"2026-08-14T05:54:56.419560Z"},"links":{"citing_paper":"/paper/1909.00631"},"observation_digest":"sha256:f0b828b973ccbf17194aa75da41016e882b021aec28a6b934487a9c1932ead3d","observation_id":"451ded5a-c6b8-4504-a3af-0ea9e6830e48","resolution":{"observed_at":"2026-08-14T05:54:56.911497Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-16T06:30:59.297886+00:00","source":"crossref"},{"observed_at":"2026-08-16T06:30:54.164669+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":"2026-08-14T05:54:56.898345Z","title":"Wireless energy and information transfer tradeoff for limited-feedback multiantenna systems with energy beamforming,","venue":null,"work_id":"2e74ab4c-9862-4bc1-912b-b2c9fa8c0cea","year":2014},"citing_paper":{"arxiv_id":"1909.00631","last_updated":"2020-08-11T21:09:01Z","snapshot_observed_at":"2026-08-16T10:33:09.335077Z","submitted_at":"2019-09-02T09:40:22Z","title":"Design of Ambient Backscatter Training for Wireless Power Transfer","version":2},"reference_index":15,"source":"pdf_text","source_observed_at":"2026-08-14T05:54:56.422905Z"},"links":{"citing_paper":"/paper/1909.00631"},"observation_digest":"sha256:cc1898d1f626c71f69a3fb4d3f7a99254efa2ba6487ffebc2290e51d2608742b","observation_id":"16f71a7d-1c88-45d0-b725-3cd8a44a8472","resolution":{"observed_at":"2026-08-14T05:54:56.902033Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-16T06:30:59.297886+00:00","source":"crossref"},{"observed_at":"2026-08-16T06:30:54.164669+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":"2026-08-14T05:54:56.887939Z","title":"Joint beamforming design for multi-user wire- less information and power transfer,","venue":null,"work_id":"60bc4f64-5933-4473-b89d-1e7e7d4793b3","year":2014},"citing_paper":{"arxiv_id":"1909.00631","last_updated":"2020-08-11T21:09:01Z","snapshot_observed_at":"2026-08-16T10:33:09.335077Z","submitted_at":"2019-09-02T09:40:22Z","title":"Design of Ambient Backscatter Training for Wireless Power Transfer","version":2},"reference_index":16,"source":"pdf_text","source_observed_at":"2026-08-14T05:54:56.426347Z"},"links":{"citing_paper":"/paper/1909.00631"},"observation_digest":"sha256:28876dd016cf6355925864f183da387ef4962fca0fd8325b3a9c3c7bec5c83e6","observation_id":"94d792c0-1698-4550-9dab-d311c64264a9","resolution":{"observed_at":"2026-08-14T05:54:56.891527Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-16T06:30:59.297886+00:00","source":"crossref"},{"observed_at":"2026-08-16T06:30:54.164669+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":"2026-08-14T05:54:56.877580Z","title":"Joint wireless information and energy transfer with reduced feedback in MIMO interference channels,","venue":null,"work_id":"87e4f174-977a-42f3-adcb-fd134c162265","year":2015},"citing_paper":{"arxiv_id":"1909.00631","last_updated":"2020-08-11T21:09:01Z","snapshot_observed_at":"2026-08-16T10:33:09.335077Z","submitted_at":"2019-09-02T09:40:22Z","title":"Design of Ambient Backscatter Training for Wireless Power Transfer","version":2},"reference_index":17,"source":"pdf_text","source_observed_at":"2026-08-14T05:54:56.429645Z"},"links":{"citing_paper":"/paper/1909.00631"},"observation_digest":"sha256:a15b223d55907988b429c7d85228975adcd5ab2bb24a5dcba8a403c0b234a476","observation_id":"de594d86-f457-4016-a21b-ef0dec64528d","resolution":{"observed_at":"2026-08-14T05:54:56.881610Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-16T06:30:59.297886+00:00","source":"crossref"},{"observed_at":"2026-08-16T06:30:54.164669+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":"2026-08-14T05:54:56.867830Z","title":"Energy beamforming with one-bit feedback,","venue":null,"work_id":"cfa17e50-45d5-4fa1-93c1-137c95ebd6d6","year":2014},"citing_paper":{"arxiv_id":"1909.00631","last_updated":"2020-08-11T21:09:01Z","snapshot_observed_at":"2026-08-16T10:33:09.335077Z","submitted_at":"2019-09-02T09:40:22Z","title":"Design of Ambient Backscatter Training for Wireless Power Transfer","version":2},"reference_index":18,"source":"pdf_text","source_observed_at":"2026-08-14T05:54:56.432713Z"},"links":{"citing_paper":"/paper/1909.00631"},"observation_digest":"sha256:72bc7fa51350011c328c1bff7642202ab431f30cb814a3e6fca118a47e232dd9","observation_id":"1c24a0e0-7425-4c86-85ca-f352cea71b72","resolution":{"observed_at":"2026-08-14T05:54:56.871393Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-16T06:30:59.297886+00:00","source":"crossref"},{"observed_at":"2026-08-16T06:30:54.164669+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":"2026-08-14T05:54:56.926731Z","title":"Optimized training design for wireless energy transfer,","venue":null,"work_id":"d68d708e-d0fa-424d-b579-d52170abfc6b","year":2015},"citing_paper":{"arxiv_id":"1909.00631","last_updated":"2020-08-11T21:09:01Z","snapshot_observed_at":"2026-08-16T10:33:09.335077Z","submitted_at":"2019-09-02T09:40:22Z","title":"Design of Ambient Backscatter Training for Wireless Power Transfer","version":2},"reference_index":19,"source":"pdf_text","source_observed_at":"2026-08-14T05:54:56.435909Z"},"links":{"citing_paper":"/paper/1909.00631"},"observation_digest":"sha256:b36c13c73642f54c1e6de2c84ec25421e38121bcbc87c507181c448ac10d0f00","observation_id":"aa97aea9-c3b6-41b9-84a1-18db65eae0fd","resolution":{"observed_at":"2026-08-14T05:54:56.930814Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-16T06:30:59.297886+00:00","source":"crossref"},{"observed_at":"2026-08-16T06:30:54.164669+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":"2026-08-14T05:54:56.856702Z","title":"Array designs for long- distance wireless power transmission: State-of-the-art and innovative solutions,","venue":null,"work_id":"0a441057-ab0b-448a-a751-d056da319c02","year":2013},"citing_paper":{"arxiv_id":"1909.00631","last_updated":"2020-08-11T21:09:01Z","snapshot_observed_at":"2026-08-16T10:33:09.335077Z","submitted_at":"2019-09-02T09:40:22Z","title":"Design of Ambient Backscatter Training for Wireless Power Transfer","version":2},"reference_index":20,"source":"pdf_text","source_observed_at":"2026-08-14T05:54:56.440058Z"},"links":{"citing_paper":"/paper/1909.00631"},"observation_digest":"sha256:2946ddb8504d57d5c6e8d0044d79bfada239a21847de41bffd8f46ebfc7c230b","observation_id":"2162eacd-5bda-475b-b533-62891559e2de","resolution":{"observed_at":"2026-08-14T05:54:56.860795Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-16T06:30:59.297886+00:00","source":"crossref"},{"observed_at":"2026-08-16T06:30:54.164669+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":"2026-08-14T05:54:56.847258Z","title":"Van atta reflector array,","venue":null,"work_id":"f018bbe5-5e6d-4de0-8a0e-0cad604920f8","year":1960},"citing_paper":{"arxiv_id":"1909.00631","last_updated":"2020-08-11T21:09:01Z","snapshot_observed_at":"2026-08-16T10:33:09.335077Z","submitted_at":"2019-09-02T09:40:22Z","title":"Design of Ambient Backscatter Training for Wireless Power Transfer","version":2},"reference_index":21,"source":"pdf_text","source_observed_at":"2026-08-14T05:54:56.443813Z"},"links":{"citing_paper":"/paper/1909.00631"},"observation_digest":"sha256:bf899472d136dccd668d12b2a64e7d8d7906f63b50e34eaafd75d6ebb3d56b58","observation_id":"5b0be348-7702-493d-8015-4de1668666ae","resolution":{"observed_at":"2026-08-14T05:54:56.850589Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-16T06:30:59.297886+00:00","source":"crossref"},{"observed_at":"2026-08-16T06:30:54.164669+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":"2026-08-14T05:54:56.447097Z","title":"Retrodirective array using the heterodyne technique,","venue":null,"work_id":null,"year":1964},"citing_paper":{"arxiv_id":"1909.00631","last_updated":"2020-08-11T21:09:01Z","snapshot_observed_at":"2026-08-16T10:33:09.335077Z","submitted_at":"2019-09-02T09:40:22Z","title":"Design of Ambient Backscatter Training for Wireless Power Transfer","version":2},"reference_index":22,"source":"pdf_text","source_observed_at":"2026-08-14T05:54:56.447097Z"},"links":{"citing_paper":"/paper/1909.00631"},"observation_digest":"sha256:386af455a504893f17c4d93b8040eebb9614a1659e99d1c9ff37034b2ce01cf4","observation_id":"c127564d-9082-40bc-8027-d981659784fc","resolution":{"observed_at":"2026-08-14T05:54:56.447097Z","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":"2026-08-14T05:54:56.832667Z","title":"Design of retrodirective antenna arrays for short-range wireless power transmission,","venue":null,"work_id":"893951e7-19b7-4683-922f-d2f78c98ca42","year":2012},"citing_paper":{"arxiv_id":"1909.00631","last_updated":"2020-08-11T21:09:01Z","snapshot_observed_at":"2026-08-16T10:33:09.335077Z","submitted_at":"2019-09-02T09:40:22Z","title":"Design of Ambient Backscatter Training for Wireless Power Transfer","version":2},"reference_index":23,"source":"pdf_text","source_observed_at":"2026-08-14T05:54:56.450175Z"},"links":{"citing_paper":"/paper/1909.00631"},"observation_digest":"sha256:172efb2b264b337b37850713299cb22bdcc88f88c350ceea1e876fc35bbc2867","observation_id":"2d67e75c-0cb0-42de-92c9-68e6483d5582","resolution":{"observed_at":"2026-08-14T05:54:56.835980Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-16T06:30:59.297886+00:00","source":"crossref"},{"observed_at":"2026-08-16T06:30:54.164669+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":"2026-08-14T05:54:56.822856Z","title":"A phased-array archi- tecture for retrodirective microwave power transmission from the space solar power satellite,","venue":null,"work_id":"60aa3cca-efbb-4551-b299-b73e071b41e1","year":2004},"citing_paper":{"arxiv_id":"1909.00631","last_updated":"2020-08-11T21:09:01Z","snapshot_observed_at":"2026-08-16T10:33:09.335077Z","submitted_at":"2019-09-02T09:40:22Z","title":"Design of Ambient Backscatter Training for Wireless Power Transfer","version":2},"reference_index":24,"source":"pdf_text","source_observed_at":"2026-08-14T05:54:56.453539Z"},"links":{"citing_paper":"/paper/1909.00631"},"observation_digest":"sha256:4a9e89b1e122bf644fde8347d6e3051add64ed5e3e2255d35697c968200f89ab","observation_id":"ff2b3a9b-610d-42d6-a251-6eba3f47f46b","resolution":{"observed_at":"2026-08-14T05:54:56.826737Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-16T06:30:59.297886+00:00","source":"crossref"},{"observed_at":"2026-08-16T06:30:54.164669+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":"2026-08-14T05:54:56.812907Z","title":"Development of a retrodirective wireless microwave power transmission system,","venue":null,"work_id":"53f323e8-b8df-49a2-b8bf-30a8239f0263","year":2003},"citing_paper":{"arxiv_id":"1909.00631","last_updated":"2020-08-11T21:09:01Z","snapshot_observed_at":"2026-08-16T10:33:09.335077Z","submitted_at":"2019-09-02T09:40:22Z","title":"Design of Ambient Backscatter Training for Wireless Power Transfer","version":2},"reference_index":25,"source":"pdf_text","source_observed_at":"2026-08-14T05:54:56.457602Z"},"links":{"citing_paper":"/paper/1909.00631"},"observation_digest":"sha256:7958c09cedcbc07aebdaf921f07e195cdc22eb5e7d45ae93ae0b55d10ee7273c","observation_id":"e942b23f-170b-4aaf-b705-977ea4eef230","resolution":{"observed_at":"2026-08-14T05:54:56.816566Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-16T06:30:59.297886+00:00","source":"crossref"},{"observed_at":"2026-08-16T06:30:54.164669+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":"2026-08-14T05:54:56.803675Z","title":"A limitation on the small-scale demonstration of retrodirective microwave power transmission from the solar power satellite,","venue":null,"work_id":"5f95a394-1ade-4b27-a5ca-b2dfa0dc8afc","year":2005},"citing_paper":{"arxiv_id":"1909.00631","last_updated":"2020-08-11T21:09:01Z","snapshot_observed_at":"2026-08-16T10:33:09.335077Z","submitted_at":"2019-09-02T09:40:22Z","title":"Design of Ambient Backscatter Training for Wireless Power Transfer","version":2},"reference_index":26,"source":"pdf_text","source_observed_at":"2026-08-14T05:54:56.460823Z"},"links":{"citing_paper":"/paper/1909.00631"},"observation_digest":"sha256:6b4797acf13fe33676e49214243959e4e27727874237a3eb0dc158a25a126190","observation_id":"50f9d03f-a29a-4225-8b35-772fbb59ffdd","resolution":{"observed_at":"2026-08-14T05:54:56.807182Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-16T06:30:59.297886+00:00","source":"crossref"},{"observed_at":"2026-08-16T06:30:54.164669+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":"2026-08-14T05:54:56.793586Z","title":"Retrodirective multi-user wireless power transfer with massive MIMO,","venue":null,"work_id":"0d2e65fc-e83f-4583-8bf0-1a081d504500","year":2018},"citing_paper":{"arxiv_id":"1909.00631","last_updated":"2020-08-11T21:09:01Z","snapshot_observed_at":"2026-08-16T10:33:09.335077Z","submitted_at":"2019-09-02T09:40:22Z","title":"Design of Ambient Backscatter Training for Wireless Power Transfer","version":2},"reference_index":27,"source":"pdf_text","source_observed_at":"2026-08-14T05:54:56.463952Z"},"links":{"citing_paper":"/paper/1909.00631"},"observation_digest":"sha256:d187a99e1fdcf798a971ce2a22161a853a873be19c1a67e923aa9804dbd86d34","observation_id":"db5cc329-45bc-4a1e-b5b4-228a56cc3dd3","resolution":{"observed_at":"2026-08-14T05:54:56.797062Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-16T06:30:59.297886+00:00","source":"crossref"},{"observed_at":"2026-08-16T06:30:54.164669+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":"2026-08-14T05:54:56.783062Z","title":"Multi-antenna wireless energy transfer for backscatter communication systems,","venue":null,"work_id":"a0d54994-1762-4a0f-87d3-41c460de0441","year":2015},"citing_paper":{"arxiv_id":"1909.00631","last_updated":"2020-08-11T21:09:01Z","snapshot_observed_at":"2026-08-16T10:33:09.335077Z","submitted_at":"2019-09-02T09:40:22Z","title":"Design of Ambient Backscatter Training for Wireless Power Transfer","version":2},"reference_index":28,"source":"pdf_text","source_observed_at":"2026-08-14T05:54:56.467681Z"},"links":{"citing_paper":"/paper/1909.00631"},"observation_digest":"sha256:0ebe608621ece775ec17d727b4465cc406269160f2d6a807dc4c28e5b8db7d03","observation_id":"e0460029-20cb-4e1f-ae0a-08ac0b42c8ad","resolution":{"observed_at":"2026-08-14T05:54:56.786520Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-16T06:30:59.297886+00:00","source":"crossref"},{"observed_at":"2026-08-16T06:30:54.164669+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":"2026-08-14T05:54:56.773870Z","title":"Retrodirective large antenna energy beamforming in backscatter multi-user networks,","venue":null,"work_id":"f5c39788-42a9-416a-b443-59621154ecd2","year":2018},"citing_paper":{"arxiv_id":"1909.00631","last_updated":"2020-08-11T21:09:01Z","snapshot_observed_at":"2026-08-16T10:33:09.335077Z","submitted_at":"2019-09-02T09:40:22Z","title":"Design of Ambient Backscatter Training for Wireless Power Transfer","version":2},"reference_index":29,"source":"pdf_text","source_observed_at":"2026-08-14T05:54:56.471539Z"},"links":{"citing_paper":"/paper/1909.00631"},"observation_digest":"sha256:9f43dcd3ef7c48c00521f96f924e51a5a8516613d3dc99c78b9d43564db9254b","observation_id":"378d5175-064f-4df1-8352-88d7669dd05e","resolution":{"observed_at":"2026-08-14T05:54:56.777550Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-16T06:30:59.297886+00:00","source":"crossref"},{"observed_at":"2026-08-16T06:30:54.164669+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":"2026-08-14T05:54:56.763630Z","title":"Ambient backscatter communications: A contemporary survey,","venue":null,"work_id":"3c695a95-6f16-4acd-ad74-59b74cb864b8","year":2018},"citing_paper":{"arxiv_id":"1909.00631","last_updated":"2020-08-11T21:09:01Z","snapshot_observed_at":"2026-08-16T10:33:09.335077Z","submitted_at":"2019-09-02T09:40:22Z","title":"Design of Ambient Backscatter Training for Wireless Power Transfer","version":2},"reference_index":30,"source":"pdf_text","source_observed_at":"2026-08-14T05:54:56.474906Z"},"links":{"citing_paper":"/paper/1909.00631"},"observation_digest":"sha256:a611a33a154e13f8b867c92564df76b6217bd8d537afb78b67c2e498d3c4b622","observation_id":"fedfc995-4af4-45cd-aa03-1ad8990c7a15","resolution":{"observed_at":"2026-08-14T05:54:56.767570Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-16T06:30:59.297886+00:00","source":"crossref"},{"observed_at":"2026-08-16T06:30:54.164669+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":"2026-08-14T05:54:56.753910Z","title":"Next generation backscat- ter communication: systems, techniques, and applications,","venue":null,"work_id":"287efe95-f347-4a79-a5d1-6c855a9730f5","year":2019},"citing_paper":{"arxiv_id":"1909.00631","last_updated":"2020-08-11T21:09:01Z","snapshot_observed_at":"2026-08-16T10:33:09.335077Z","submitted_at":"2019-09-02T09:40:22Z","title":"Design of Ambient Backscatter Training for Wireless Power Transfer","version":2},"reference_index":31,"source":"pdf_text","source_observed_at":"2026-08-14T05:54:56.478071Z"},"links":{"citing_paper":"/paper/1909.00631"},"observation_digest":"sha256:efa849018855ac09bc282288c52e19b6c371af011172339d9e6d18cd0787a86c","observation_id":"e025fa51-bd89-48b8-83c9-dfc102457c99","resolution":{"observed_at":"2026-08-14T05:54:56.757835Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-16T06:30:59.297886+00:00","source":"crossref"},{"observed_at":"2026-08-16T06:30:54.164669+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":"2026-08-14T05:54:56.744599Z","title":"Ambient backscatter systems: Exact average bit error rate under fading channels,","venue":null,"work_id":"f04a6679-0b47-4d45-8833-4f20303032ee","year":2019},"citing_paper":{"arxiv_id":"1909.00631","last_updated":"2020-08-11T21:09:01Z","snapshot_observed_at":"2026-08-16T10:33:09.335077Z","submitted_at":"2019-09-02T09:40:22Z","title":"Design of Ambient Backscatter Training for Wireless Power Transfer","version":2},"reference_index":32,"source":"pdf_text","source_observed_at":"2026-08-14T05:54:56.481624Z"},"links":{"citing_paper":"/paper/1909.00631"},"observation_digest":"sha256:749a400913a80e3b33f2f9ff1f44178fc4ba0d1717d5aa33aa26c20584d42ce8","observation_id":"62dc4138-45cd-4785-ad66-c5a91d679bea","resolution":{"observed_at":"2026-08-14T05:54:56.748294Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-16T06:30:59.297886+00:00","source":"crossref"},{"observed_at":"2026-08-16T06:30:54.164669+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":"2026-08-14T05:54:56.735556Z","title":"Ambient backscatter: wireless communication out of thin air,","venue":null,"work_id":"f615c0bf-bb0b-450b-8d7e-c29fcbc35adb","year":2013},"citing_paper":{"arxiv_id":"1909.00631","last_updated":"2020-08-11T21:09:01Z","snapshot_observed_at":"2026-08-16T10:33:09.335077Z","submitted_at":"2019-09-02T09:40:22Z","title":"Design of Ambient Backscatter Training for Wireless Power Transfer","version":2},"reference_index":33,"source":"pdf_text","source_observed_at":"2026-08-14T05:54:56.484439Z"},"links":{"citing_paper":"/paper/1909.00631"},"observation_digest":"sha256:59634923e7240550770c9afc829184642311ce5e4b788bfcc2a1d96ffee1e862","observation_id":"239cc9b0-76c2-40fd-b74d-b90f1a1c3ea6","resolution":{"observed_at":"2026-08-14T05:54:56.739188Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-16T06:30:59.297886+00:00","source":"crossref"},{"observed_at":"2026-08-16T06:30:54.164669+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":"2026-08-14T05:54:56.726194Z","title":"Turbocharging ambient backscatter communication,","venue":null,"work_id":"1870c40a-36c3-4b89-a637-02eefc741a63","year":2015},"citing_paper":{"arxiv_id":"1909.00631","last_updated":"2020-08-11T21:09:01Z","snapshot_observed_at":"2026-08-16T10:33:09.335077Z","submitted_at":"2019-09-02T09:40:22Z","title":"Design of Ambient Backscatter Training for Wireless Power Transfer","version":2},"reference_index":34,"source":"pdf_text","source_observed_at":"2026-08-14T05:54:56.487508Z"},"links":{"citing_paper":"/paper/1909.00631"},"observation_digest":"sha256:37cb294c8afe6e787ab6563e3a456dd78cac19808b0f4e22a89f51831efe2cd5","observation_id":"fa849d2e-9204-4202-a8ff-7b03de273310","resolution":{"observed_at":"2026-08-14T05:54:56.729624Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-16T06:30:59.297886+00:00","source":"crossref"},{"observed_at":"2026-08-16T06:30:54.164669+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":"2026-08-14T05:54:56.717349Z","title":"Increased range bistatic scatter radio,","venue":null,"work_id":"b1deb945-0d7a-4984-991c-d22a440b2bf3","year":2014},"citing_paper":{"arxiv_id":"1909.00631","last_updated":"2020-08-11T21:09:01Z","snapshot_observed_at":"2026-08-16T10:33:09.335077Z","submitted_at":"2019-09-02T09:40:22Z","title":"Design of Ambient Backscatter Training for Wireless Power Transfer","version":2},"reference_index":35,"source":"pdf_text","source_observed_at":"2026-08-14T05:54:56.490264Z"},"links":{"citing_paper":"/paper/1909.00631"},"observation_digest":"sha256:d673d84f22ff331fc470b4e2fd5901658e26a90397e604049c4a489bec72d59a","observation_id":"8b963cb0-2754-49f7-b4ba-f87b15c5439e","resolution":{"observed_at":"2026-08-14T05:54:56.720622Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-16T06:30:59.297886+00:00","source":"crossref"},{"observed_at":"2026-08-16T06:30:54.164669+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":"2026-08-14T05:54:56.707556Z","title":"Ambient backscatter communication systems: Detection and performance analysis,","venue":null,"work_id":"e00188f3-312b-48c6-a97d-fdb91c5dfe43","year":2016},"citing_paper":{"arxiv_id":"1909.00631","last_updated":"2020-08-11T21:09:01Z","snapshot_observed_at":"2026-08-16T10:33:09.335077Z","submitted_at":"2019-09-02T09:40:22Z","title":"Design of Ambient Backscatter Training for Wireless Power Transfer","version":2},"reference_index":36,"source":"pdf_text","source_observed_at":"2026-08-14T05:54:56.493492Z"},"links":{"citing_paper":"/paper/1909.00631"},"observation_digest":"sha256:281d5b5298df7f50bd3674cbe09153ff91653d6eb4f8a3ad4a38b6d2cc258e8b","observation_id":"3728ffcc-6ac8-4851-a442-d159c5c30765","resolution":{"observed_at":"2026-08-14T05:54:56.710820Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-16T06:30:59.297886+00:00","source":"crossref"},{"observed_at":"2026-08-16T06:30:54.164669+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":"2026-08-14T05:54:56.698211Z","title":"Noncoherent detec- tions for ambient backscatter system,","venue":null,"work_id":"e13541ea-6eae-45c1-abe9-b2f740a770ae","year":2017},"citing_paper":{"arxiv_id":"1909.00631","last_updated":"2020-08-11T21:09:01Z","snapshot_observed_at":"2026-08-16T10:33:09.335077Z","submitted_at":"2019-09-02T09:40:22Z","title":"Design of Ambient Backscatter Training for Wireless Power Transfer","version":2},"reference_index":37,"source":"pdf_text","source_observed_at":"2026-08-14T05:54:56.496400Z"},"links":{"citing_paper":"/paper/1909.00631"},"observation_digest":"sha256:068aea9309933c70169d552b0551b9ea94284a8b369afeef59211a3e22d45edd","observation_id":"ba591f04-2e95-4726-bce5-a86f4c68760c","resolution":{"observed_at":"2026-08-14T05:54:56.701797Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-16T06:30:59.297886+00:00","source":"crossref"},{"observed_at":"2026-08-16T06:30:54.164669+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":{"arxiv_id":"1908.05657","last_updated":"2021-04-27T01:36:56Z","snapshot_observed_at":"2026-08-14T13:04:49.656407Z","submitted_at":"2019-08-15T17:58:57Z","title":"Non-coherent Detection and Bit Error Rate for an Ambient Backscatter Link in Time-Selective Fading","version":3},"cited_work":{"arxiv_id":"1908.05657","doi":null,"metadata_source":"pith","pith_arxiv_id":"1908.05657","snapshot_observed_at":"2026-08-14T05:54:56.565973Z","title":"Non-coherent Detection and Bit Error Rate for an Ambient Backscatter Link in Time-Selective Fading","venue":"cs.IT","work_id":"3f24eb61-f998-44ca-b40f-1a296ea6c51c","year":2019},"citing_paper":{"arxiv_id":"1909.00631","last_updated":"2020-08-11T21:09:01Z","snapshot_observed_at":"2026-08-16T10:33:09.335077Z","submitted_at":"2019-09-02T09:40:22Z","title":"Design of Ambient Backscatter Training for Wireless Power Transfer","version":2},"reference_index":38,"source":"pdf_text","source_observed_at":"2026-08-14T05:54:56.500385Z"},"links":{"cited_paper":"/paper/1908.05657","citing_paper":"/paper/1909.00631"},"observation_digest":"sha256:666e9b2a83b6cb89d25e7185fff42712f853772d22f6e4250d96514045ef1a0f","observation_id":"b86c342b-3767-426f-9d9b-40deed0e0963","resolution":{"observed_at":"2026-08-14T05:54:56.571255Z","resolver_source":"local_arxiv","status":"verified_exact"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-16T06:30:59.297886+00:00","source":"crossref"},{"observed_at":"2026-08-16T06:30:54.164669+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":"2026-08-14T05:54:56.688837Z","title":"Passive WI-FI: Bringing low power to wi-fi transmissions,","venue":null,"work_id":"00cd7a01-2ccf-41af-8101-ac32f264a66c","year":2016},"citing_paper":{"arxiv_id":"1909.00631","last_updated":"2020-08-11T21:09:01Z","snapshot_observed_at":"2026-08-16T10:33:09.335077Z","submitted_at":"2019-09-02T09:40:22Z","title":"Design of Ambient Backscatter Training for Wireless Power Transfer","version":2},"reference_index":39,"source":"pdf_text","source_observed_at":"2026-08-14T05:54:56.503651Z"},"links":{"citing_paper":"/paper/1909.00631"},"observation_digest":"sha256:20b90cc94e0a2232e5404c72ff9b06c460c71c38848ce288a0a5e5636aaec4d5","observation_id":"48edcdb9-5dea-4f0b-bcfe-161c46c7a3d7","resolution":{"observed_at":"2026-08-14T05:54:56.692551Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-16T06:30:59.297886+00:00","source":"crossref"},{"observed_at":"2026-08-16T06:30:54.164669+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":"2026-08-14T05:54:56.678635Z","title":"Modulation in the air: Backscatter communication over ambient ofdm carrier,","venue":null,"work_id":"2ff65e43-9bbe-4a83-94ae-f5c7fc519eaf","year":2018},"citing_paper":{"arxiv_id":"1909.00631","last_updated":"2020-08-11T21:09:01Z","snapshot_observed_at":"2026-08-16T10:33:09.335077Z","submitted_at":"2019-09-02T09:40:22Z","title":"Design of Ambient Backscatter Training for Wireless Power Transfer","version":2},"reference_index":40,"source":"pdf_text","source_observed_at":"2026-08-14T05:54:56.506640Z"},"links":{"citing_paper":"/paper/1909.00631"},"observation_digest":"sha256:26d00bb7de33423d5be08566f4c1060b3c7bc1f32d498e4120b7d6e8fff1a68d","observation_id":"12849389-fe24-425d-9cdc-c288ddc769d4","resolution":{"observed_at":"2026-08-14T05:54:56.682460Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-16T06:30:59.297886+00:00","source":"crossref"},{"observed_at":"2026-08-16T06:30:54.164669+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":"2026-08-14T05:54:56.668965Z","title":"Enabling practical backscatter communication for on-body sensors,","venue":null,"work_id":"5b46fea9-5edc-4a8f-8581-645a1d59963f","year":2016},"citing_paper":{"arxiv_id":"1909.00631","last_updated":"2020-08-11T21:09:01Z","snapshot_observed_at":"2026-08-16T10:33:09.335077Z","submitted_at":"2019-09-02T09:40:22Z","title":"Design of Ambient Backscatter Training for Wireless Power Transfer","version":2},"reference_index":41,"source":"pdf_text","source_observed_at":"2026-08-14T05:54:56.510632Z"},"links":{"citing_paper":"/paper/1909.00631"},"observation_digest":"sha256:67502734077711c4ad2e36795704c6a3b0a9b2ae2b6c590e691290ad622ef176","observation_id":"fc3af688-4dc8-421e-9f56-a4429c89830d","resolution":{"observed_at":"2026-08-14T05:54:56.672403Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-16T06:30:59.297886+00:00","source":"crossref"},{"observed_at":"2026-08-16T06:30:54.164669+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":"2026-08-14T05:54:56.658455Z","title":"Inter- technology backscatter: Towards internet connectivity for implanted devices,","venue":null,"work_id":"1df11327-dd4d-4d80-ae1b-def3a3a34c77","year":2016},"citing_paper":{"arxiv_id":"1909.00631","last_updated":"2020-08-11T21:09:01Z","snapshot_observed_at":"2026-08-16T10:33:09.335077Z","submitted_at":"2019-09-02T09:40:22Z","title":"Design of Ambient Backscatter Training for Wireless Power Transfer","version":2},"reference_index":42,"source":"pdf_text","source_observed_at":"2026-08-14T05:54:56.513504Z"},"links":{"citing_paper":"/paper/1909.00631"},"observation_digest":"sha256:bcfb2171fdf782fb573b499bb98a854225e1c4b24ef83272c85c9fdfbc9122d3","observation_id":"7de5893e-2696-4b8e-91f4-a8dc6c119eb6","resolution":{"observed_at":"2026-08-14T05:54:56.662295Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-16T06:30:59.297886+00:00","source":"crossref"},{"observed_at":"2026-08-16T06:30:54.164669+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":"2026-08-14T05:54:56.648792Z","title":"BackFi: High throughput Wi-Fi backscatter,","venue":null,"work_id":"a9bed096-615c-4ba2-89e2-c6431e2173e7","year":2015},"citing_paper":{"arxiv_id":"1909.00631","last_updated":"2020-08-11T21:09:01Z","snapshot_observed_at":"2026-08-16T10:33:09.335077Z","submitted_at":"2019-09-02T09:40:22Z","title":"Design of Ambient Backscatter Training for Wireless Power Transfer","version":2},"reference_index":43,"source":"pdf_text","source_observed_at":"2026-08-14T05:54:56.516545Z"},"links":{"citing_paper":"/paper/1909.00631"},"observation_digest":"sha256:eb314f7d84aa92208ce526aeee981a96bbdf878b646c6c51864d6f9c93a61f32","observation_id":"d321247b-bd98-4c89-bcd3-0e6962246a62","resolution":{"observed_at":"2026-08-14T05:54:56.652555Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-16T06:30:59.297886+00:00","source":"crossref"},{"observed_at":"2026-08-16T06:30:54.164669+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":"2026-08-14T05:54:56.637949Z","title":"Hitchhike: Practical backscatter using commodity wifi,","venue":null,"work_id":"7f3d4225-f2d1-4dff-9098-ff32bd61c8e1","year":2016},"citing_paper":{"arxiv_id":"1909.00631","last_updated":"2020-08-11T21:09:01Z","snapshot_observed_at":"2026-08-16T10:33:09.335077Z","submitted_at":"2019-09-02T09:40:22Z","title":"Design of Ambient Backscatter Training for Wireless Power Transfer","version":2},"reference_index":44,"source":"pdf_text","source_observed_at":"2026-08-14T05:54:56.519583Z"},"links":{"citing_paper":"/paper/1909.00631"},"observation_digest":"sha256:55734d40c74bd11d58f6ec028e7ff8d4804aea4d77abb1c92d3c14fee90e15d1","observation_id":"b83f9f8f-8268-452d-8aa6-c14f545f655e","resolution":{"observed_at":"2026-08-14T05:54:56.641256Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-16T06:30:59.297886+00:00","source":"crossref"},{"observed_at":"2026-08-16T06:30:54.164669+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":"2026-08-14T05:54:56.626922Z","title":"Symbol detection of ambient backscatter systems with manchester coding,","venue":null,"work_id":"deac45d4-b06f-46a4-bc9c-bcb45711bf33","year":2018},"citing_paper":{"arxiv_id":"1909.00631","last_updated":"2020-08-11T21:09:01Z","snapshot_observed_at":"2026-08-16T10:33:09.335077Z","submitted_at":"2019-09-02T09:40:22Z","title":"Design of Ambient Backscatter Training for Wireless Power Transfer","version":2},"reference_index":45,"source":"pdf_text","source_observed_at":"2026-08-14T05:54:56.522685Z"},"links":{"citing_paper":"/paper/1909.00631"},"observation_digest":"sha256:4a88323d0e829634f306b4a09a537151a4ef238c58f47b90dd0d09905d7a04e5","observation_id":"f19ae58e-25e5-4fe4-a228-a8f44a7fea2a","resolution":{"observed_at":"2026-08-14T05:54:56.631623Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-16T06:30:59.297886+00:00","source":"crossref"},{"observed_at":"2026-08-16T06:30:54.164669+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":"2026-08-14T05:54:56.525762Z","title":"Goldsmith, Wireless Communications","venue":null,"work_id":null,"year":2005},"citing_paper":{"arxiv_id":"1909.00631","last_updated":"2020-08-11T21:09:01Z","snapshot_observed_at":"2026-08-16T10:33:09.335077Z","submitted_at":"2019-09-02T09:40:22Z","title":"Design of Ambient Backscatter Training for Wireless Power Transfer","version":2},"reference_index":46,"source":"pdf_text","source_observed_at":"2026-08-14T05:54:56.525762Z"},"links":{"citing_paper":"/paper/1909.00631"},"observation_digest":"sha256:933989902de0e371a958dcd4d11013c8cd6bcd93122f8ba5c44b8999504fc09a","observation_id":"66f49488-d847-4cd2-9161-d2953803db01","resolution":{"observed_at":"2026-08-14T05:54:56.525762Z","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":"2026-08-14T05:54:56.608826Z","title":"Nonlinear energy harvesting models in wireless information and power transfer,","venue":null,"work_id":"4d1aa4d1-b83b-4e9e-8648-46198df32fc5","year":2018},"citing_paper":{"arxiv_id":"1909.00631","last_updated":"2020-08-11T21:09:01Z","snapshot_observed_at":"2026-08-16T10:33:09.335077Z","submitted_at":"2019-09-02T09:40:22Z","title":"Design of Ambient Backscatter Training for Wireless Power Transfer","version":2},"reference_index":47,"source":"pdf_text","source_observed_at":"2026-08-14T05:54:56.529576Z"},"links":{"citing_paper":"/paper/1909.00631"},"observation_digest":"sha256:46f8cccc19c8ff7c2119e4cc31f69876d1b93bb095d3dacdcbaefa620d834490","observation_id":"df012b25-f45c-4b9f-818e-0ed443569542","resolution":{"observed_at":"2026-08-14T05:54:56.612718Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-16T06:30:59.297886+00:00","source":"crossref"},{"observed_at":"2026-08-16T06:30:54.164669+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":"2026-08-14T05:54:56.598426Z","title":"Robust resource allocation for MIMO wireless powered communication networks based on a non-linear eh model,","venue":null,"work_id":"0d60cd8a-abe6-431c-93b2-2e80ab49a884","year":1984},"citing_paper":{"arxiv_id":"1909.00631","last_updated":"2020-08-11T21:09:01Z","snapshot_observed_at":"2026-08-16T10:33:09.335077Z","submitted_at":"2019-09-02T09:40:22Z","title":"Design of Ambient Backscatter Training for Wireless Power Transfer","version":2},"reference_index":48,"source":"pdf_text","source_observed_at":"2026-08-14T05:54:56.532740Z"},"links":{"citing_paper":"/paper/1909.00631"},"observation_digest":"sha256:84d82257f9934044339c3cfef9a65a3b7262152d302c8ab0344213876c2bfc6b","observation_id":"6f43960a-1fbb-4d29-9b9c-4f5dc7dbaf7d","resolution":{"observed_at":"2026-08-14T05:54:56.601775Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-16T06:30:59.297886+00:00","source":"crossref"},{"observed_at":"2026-08-16T06:30:54.164669+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":"2026-08-14T05:54:56.588416Z","title":"Fundamentals of wireless information and power transfer: From RF energy harvester models to signal and system designs,","venue":null,"work_id":"ab1fdd00-a73a-40b1-8bee-2a8ce23c29f0","year":2019},"citing_paper":{"arxiv_id":"1909.00631","last_updated":"2020-08-11T21:09:01Z","snapshot_observed_at":"2026-08-16T10:33:09.335077Z","submitted_at":"2019-09-02T09:40:22Z","title":"Design of Ambient Backscatter Training for Wireless Power Transfer","version":2},"reference_index":49,"source":"pdf_text","source_observed_at":"2026-08-14T05:54:56.535603Z"},"links":{"citing_paper":"/paper/1909.00631"},"observation_digest":"sha256:9b26a517f163fd107a75d9699c66e40f64ae7c5a0c2f0a53e3bd0cd644e738a0","observation_id":"34cc74f2-4477-4d35-9964-ff5f8fd0f079","resolution":{"observed_at":"2026-08-14T05:54:56.592266Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-16T06:30:59.297886+00:00","source":"crossref"},{"observed_at":"2026-08-16T06:30:54.164669+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":"2026-08-14T05:54:56.578010Z","title":"Performance analysis of massive MIMO for cell-boundary users,","venue":null,"work_id":"b19f4699-7209-45f0-930e-948c51059d69","year":2015},"citing_paper":{"arxiv_id":"1909.00631","last_updated":"2020-08-11T21:09:01Z","snapshot_observed_at":"2026-08-16T10:33:09.335077Z","submitted_at":"2019-09-02T09:40:22Z","title":"Design of Ambient Backscatter Training for Wireless Power Transfer","version":2},"reference_index":50,"source":"pdf_text","source_observed_at":"2026-08-14T05:54:56.539178Z"},"links":{"citing_paper":"/paper/1909.00631"},"observation_digest":"sha256:1d23755308eccf4466c5082693a521d2d068a6d74c1b5b2dada25b792fba47c6","observation_id":"5e3c1897-b19b-46c2-8bef-f4be79640417","resolution":{"observed_at":"2026-08-14T05:54:56.581496Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-16T06:30:59.297886+00:00","source":"crossref"},{"observed_at":"2026-08-16T06:30:54.164669+00:00","source":"retraction_watch"}],"state":"measured"}}],"paper":{"arxiv_id":"1909.00631","last_updated":"2020-08-11T21:09:01Z","latest_version":2,"primary_category":"cs.IT","snapshot_observed_at":"2026-08-16T10:33:09.335077Z","submitted_at":"2019-09-02T09:40:22Z","title":"Design of Ambient Backscatter Training for Wireless Power Transfer"},"reference_resolution":{"displayed":49,"state_counts":{"malformed_identifier":0,"metadata_mismatch":0,"parse_uncertain":0,"unresolved":3,"verified_exact":1,"verified_fuzzy":45},"total_outbound_references":49},"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":"2026-08-16T06:30:59.297886+00:00","source":"crossref"},{"observed_at":"2026-08-16T06:30:54.164669+00:00","source":"retraction_watch"}],"thesis":"As of 16 August 2026, this Paper Citation Record lists 49 of 49 outbound references and 0 inbound Pith citation observations for arXiv:1909.00631."}