{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2020:7UY4NOTSUCWE6MY54OYO6E24W2","short_pith_number":"pith:7UY4NOTS","schema_version":"1.0","canonical_sha256":"fd31c6ba72a0ac4f331de3b0ef135cb6b967170101224f956f042aa7b93a5621","source":{"kind":"arxiv","id":"2006.05147","version":4},"attestation_state":"computed","paper":{"title":"Multiuser Full-Duplex Two-Way Communications via Intelligent Reflecting Surface","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"eess.SP","authors_text":"A. Lee Swindlehurst, Cunhua Pan, Li Li, Zhangjie Peng, Zhenkun Zhang","submitted_at":"2020-06-09T09:41:32Z","abstract_excerpt":"Low-cost passive intelligent reflecting surfaces (IRSs) have recently been envisioned as a revolutionary technology capable of reconfiguring the wireless propagation environment through carefully tuning reflection elements. This paper proposes deploying an IRS to cover the dead zone of cellular multiuser full-duplex (FD) two-way communication links while suppressing user-side self-interference (SI) and co-channel interference (CI). Based on information exchanged by the base station (BS) and all users, this approach can potentially double the spectral efficiency. To ensure network fairness, we "},"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":"2006.05147","kind":"arxiv","version":4},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"eess.SP","submitted_at":"2020-06-09T09:41:32Z","cross_cats_sorted":[],"title_canon_sha256":"d53f2c660b9c8a4637895f658216c540e57e6cb727c429c59f5b20ce76b5625c","abstract_canon_sha256":"57f94bad2e73d618dc95fec6de8329d6da3e743115835eeed47fa7a3c9f1ed33"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T03:13:22.090581Z","signature_b64":"O+fCNkVYzUM08zpi/0NDDHJUL2EryNdZ2k9VOWn8ctIkHgyAlyaALguNR0JFASHZfKGZ5k9tsYm1Br8XnWxcCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"fd31c6ba72a0ac4f331de3b0ef135cb6b967170101224f956f042aa7b93a5621","last_reissued_at":"2026-07-05T03:13:22.090212Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T03:13:22.090212Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Multiuser Full-Duplex Two-Way Communications via Intelligent Reflecting Surface","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"eess.SP","authors_text":"A. Lee Swindlehurst, Cunhua Pan, Li Li, Zhangjie Peng, Zhenkun Zhang","submitted_at":"2020-06-09T09:41:32Z","abstract_excerpt":"Low-cost passive intelligent reflecting surfaces (IRSs) have recently been envisioned as a revolutionary technology capable of reconfiguring the wireless propagation environment through carefully tuning reflection elements. This paper proposes deploying an IRS to cover the dead zone of cellular multiuser full-duplex (FD) two-way communication links while suppressing user-side self-interference (SI) and co-channel interference (CI). Based on information exchanged by the base station (BS) and all users, this approach can potentially double the spectral efficiency. To ensure network fairness, we "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2006.05147","kind":"arxiv","version":4},"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/2006.05147/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":"2006.05147","created_at":"2026-07-05T03:13:22.090274+00:00"},{"alias_kind":"arxiv_version","alias_value":"2006.05147v4","created_at":"2026-07-05T03:13:22.090274+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2006.05147","created_at":"2026-07-05T03:13:22.090274+00:00"},{"alias_kind":"pith_short_12","alias_value":"7UY4NOTSUCWE","created_at":"2026-07-05T03:13:22.090274+00:00"},{"alias_kind":"pith_short_16","alias_value":"7UY4NOTSUCWE6MY5","created_at":"2026-07-05T03:13:22.090274+00:00"},{"alias_kind":"pith_short_8","alias_value":"7UY4NOTS","created_at":"2026-07-05T03:13:22.090274+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/7UY4NOTSUCWE6MY54OYO6E24W2","json":"https://pith.science/pith/7UY4NOTSUCWE6MY54OYO6E24W2.json","graph_json":"https://pith.science/api/pith-number/7UY4NOTSUCWE6MY54OYO6E24W2/graph.json","events_json":"https://pith.science/api/pith-number/7UY4NOTSUCWE6MY54OYO6E24W2/events.json","paper":"https://pith.science/paper/7UY4NOTS"},"agent_actions":{"view_html":"https://pith.science/pith/7UY4NOTSUCWE6MY54OYO6E24W2","download_json":"https://pith.science/pith/7UY4NOTSUCWE6MY54OYO6E24W2.json","view_paper":"https://pith.science/paper/7UY4NOTS","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2006.05147&json=true","fetch_graph":"https://pith.science/api/pith-number/7UY4NOTSUCWE6MY54OYO6E24W2/graph.json","fetch_events":"https://pith.science/api/pith-number/7UY4NOTSUCWE6MY54OYO6E24W2/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/7UY4NOTSUCWE6MY54OYO6E24W2/action/timestamp_anchor","attest_storage":"https://pith.science/pith/7UY4NOTSUCWE6MY54OYO6E24W2/action/storage_attestation","attest_author":"https://pith.science/pith/7UY4NOTSUCWE6MY54OYO6E24W2/action/author_attestation","sign_citation":"https://pith.science/pith/7UY4NOTSUCWE6MY54OYO6E24W2/action/citation_signature","submit_replication":"https://pith.science/pith/7UY4NOTSUCWE6MY54OYO6E24W2/action/replication_record"}},"created_at":"2026-07-05T03:13:22.090274+00:00","updated_at":"2026-07-05T03:13:22.090274+00:00"}