{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2019:KT7PHG32RRPOX7PKVCSEOVUZMI","short_pith_number":"pith:KT7PHG32","schema_version":"1.0","canonical_sha256":"54fef39b7a8c5eebfdeaa8a447569962152e8eec6e6d7978f701906d7872dd92","source":{"kind":"arxiv","id":"1906.02360","version":2},"attestation_state":"computed","paper":{"title":"Intelligent Reflecting Surface Assisted Wireless Communication: Modeling and Channel Estimation","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.IT","math.IT"],"primary_cat":"eess.SP","authors_text":"Abla Kammoun, Anas Chaaban, Merouane Debbah, Mohamed-Slim Alouini, Qurrat-Ul-Ain Nadeem","submitted_at":"2019-06-05T23:50:06Z","abstract_excerpt":"The recently completed 5G new radio standard is a result of several cutting-edge technologies, including massive multiple-input multiple-output (MIMO), millimeter (mm)-Wave communication and network densification. However, these technologies face two main practical limitations 1) the lack of control over the wireless channel, and 2) the high power consumption of the wireless interface. To address the need for green and sustainable future cellular networks, the concept of reconfiguring wireless propagation environments using Intelligent Reflecting Surfaces (IRS)s has emerged. An IRS comprises o"},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"1906.02360","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.SP","submitted_at":"2019-06-05T23:50:06Z","cross_cats_sorted":["cs.IT","math.IT"],"title_canon_sha256":"3141ba6e2f0cc8d0421fe1980fd0b68853b35b05ff277a7048e58748f154c364","abstract_canon_sha256":"992487c71542d8f9bc33f5ae642f7997439a0ae2d5bd7b5a612bc002a04cd42f"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T00:25:55.513327Z","signature_b64":"/FgZEDgfrIGRx+Q2abYqUNc/M5bs2UbU0cYSQN0S97hQ9IUZpRxEZ44WVcZDW/BQ6G3qBD4zjzaAvhz2cnd3Aw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"54fef39b7a8c5eebfdeaa8a447569962152e8eec6e6d7978f701906d7872dd92","last_reissued_at":"2026-07-05T00:25:55.512831Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T00:25:55.512831Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Intelligent Reflecting Surface Assisted Wireless Communication: Modeling and Channel Estimation","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.IT","math.IT"],"primary_cat":"eess.SP","authors_text":"Abla Kammoun, Anas Chaaban, Merouane Debbah, Mohamed-Slim Alouini, Qurrat-Ul-Ain Nadeem","submitted_at":"2019-06-05T23:50:06Z","abstract_excerpt":"The recently completed 5G new radio standard is a result of several cutting-edge technologies, including massive multiple-input multiple-output (MIMO), millimeter (mm)-Wave communication and network densification. However, these technologies face two main practical limitations 1) the lack of control over the wireless channel, and 2) the high power consumption of the wireless interface. To address the need for green and sustainable future cellular networks, the concept of reconfiguring wireless propagation environments using Intelligent Reflecting Surfaces (IRS)s has emerged. An IRS comprises o"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1906.02360","kind":"arxiv","version":2},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/1906.02360/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"},"aliases":[{"alias_kind":"arxiv","alias_value":"1906.02360","created_at":"2026-07-05T00:25:55.512883+00:00"},{"alias_kind":"arxiv_version","alias_value":"1906.02360v2","created_at":"2026-07-05T00:25:55.512883+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1906.02360","created_at":"2026-07-05T00:25:55.512883+00:00"},{"alias_kind":"pith_short_12","alias_value":"KT7PHG32RRPO","created_at":"2026-07-05T00:25:55.512883+00:00"},{"alias_kind":"pith_short_16","alias_value":"KT7PHG32RRPOX7PK","created_at":"2026-07-05T00:25:55.512883+00:00"},{"alias_kind":"pith_short_8","alias_value":"KT7PHG32","created_at":"2026-07-05T00:25:55.512883+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":1,"internal_anchor_count":1,"sample":[{"citing_arxiv_id":"1908.03965","citing_title":"Optimizations with Intelligent Reflecting Surfaces (IRSs) in 6G Wireless Networks: Power Control, Quality of Service, Max-Min Fair Beamforming for Unicast, Broadcast, and Multicast with Multi-antenna ","ref_index":19,"is_internal_anchor":true}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/KT7PHG32RRPOX7PKVCSEOVUZMI","json":"https://pith.science/pith/KT7PHG32RRPOX7PKVCSEOVUZMI.json","graph_json":"https://pith.science/api/pith-number/KT7PHG32RRPOX7PKVCSEOVUZMI/graph.json","events_json":"https://pith.science/api/pith-number/KT7PHG32RRPOX7PKVCSEOVUZMI/events.json","paper":"https://pith.science/paper/KT7PHG32"},"agent_actions":{"view_html":"https://pith.science/pith/KT7PHG32RRPOX7PKVCSEOVUZMI","download_json":"https://pith.science/pith/KT7PHG32RRPOX7PKVCSEOVUZMI.json","view_paper":"https://pith.science/paper/KT7PHG32","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1906.02360&json=true","fetch_graph":"https://pith.science/api/pith-number/KT7PHG32RRPOX7PKVCSEOVUZMI/graph.json","fetch_events":"https://pith.science/api/pith-number/KT7PHG32RRPOX7PKVCSEOVUZMI/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/KT7PHG32RRPOX7PKVCSEOVUZMI/action/timestamp_anchor","attest_storage":"https://pith.science/pith/KT7PHG32RRPOX7PKVCSEOVUZMI/action/storage_attestation","attest_author":"https://pith.science/pith/KT7PHG32RRPOX7PKVCSEOVUZMI/action/author_attestation","sign_citation":"https://pith.science/pith/KT7PHG32RRPOX7PKVCSEOVUZMI/action/citation_signature","submit_replication":"https://pith.science/pith/KT7PHG32RRPOX7PKVCSEOVUZMI/action/replication_record"}},"created_at":"2026-07-05T00:25:55.512883+00:00","updated_at":"2026-07-05T00:25:55.512883+00:00"}