{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2022:VMJMVUOH2LULEQTFK2CJHTTC7U","short_pith_number":"pith:VMJMVUOH","schema_version":"1.0","canonical_sha256":"ab12cad1c7d2e8b24265568493ce62fd2b2cdb6f134facdd9dc6b4c881ae0c68","source":{"kind":"arxiv","id":"2203.16093","version":2},"attestation_state":"computed","paper":{"title":"Beamforming Optimization for Active Intelligent Reflecting Surface-Aided SWIPT","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["eess.SP","math.IT"],"primary_cat":"cs.IT","authors_text":"Derrick Wing Kwan Ng, Guangchi Zhang, Marco Di Renzo, Qingqing Wu, Wen Chen, Ying Gao","submitted_at":"2022-03-30T06:46:13Z","abstract_excerpt":"In this paper, we study an active IRS-aided simultaneous wireless information and power transfer (SWIPT) system. Specifically, an active IRS is deployed to assist a multi-antenna access point (AP) to convey information and energy simultaneously to multiple single-antenna information users (IUs) and energy users (EUs). Two joint transmit and reflect beamforming optimization problems are investigated with different practical objectives. The first problem maximizes the weighted sum-power harvested by the EUs subject to individual signal-to-interference-plus-noise ratio (SINR) constraints at the I"},"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":"2203.16093","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2022-03-30T06:46:13Z","cross_cats_sorted":["eess.SP","math.IT"],"title_canon_sha256":"438af5d7f9ac8fb46df1fb455758fe1857094412f9f634bdd874751ddbe40abc","abstract_canon_sha256":"914b6189d92004a212e107403287ce375ff7cf71a3b7a0508ad470bf95aace92"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T04:45:58.675814Z","signature_b64":"IwxG8TBlkiW2M5eK1VhxDODor1Mg5rqZ8nbPngiRwCqwBEi5yqjvixkVadfAeQPLZnqPynfnRLvnCc1Qi49dCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ab12cad1c7d2e8b24265568493ce62fd2b2cdb6f134facdd9dc6b4c881ae0c68","last_reissued_at":"2026-07-05T04:45:58.675347Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T04:45:58.675347Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Beamforming Optimization for Active Intelligent Reflecting Surface-Aided SWIPT","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["eess.SP","math.IT"],"primary_cat":"cs.IT","authors_text":"Derrick Wing Kwan Ng, Guangchi Zhang, Marco Di Renzo, Qingqing Wu, Wen Chen, Ying Gao","submitted_at":"2022-03-30T06:46:13Z","abstract_excerpt":"In this paper, we study an active IRS-aided simultaneous wireless information and power transfer (SWIPT) system. Specifically, an active IRS is deployed to assist a multi-antenna access point (AP) to convey information and energy simultaneously to multiple single-antenna information users (IUs) and energy users (EUs). Two joint transmit and reflect beamforming optimization problems are investigated with different practical objectives. The first problem maximizes the weighted sum-power harvested by the EUs subject to individual signal-to-interference-plus-noise ratio (SINR) constraints at the I"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2203.16093","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/2203.16093/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":"2203.16093","created_at":"2026-07-05T04:45:58.675423+00:00"},{"alias_kind":"arxiv_version","alias_value":"2203.16093v2","created_at":"2026-07-05T04:45:58.675423+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2203.16093","created_at":"2026-07-05T04:45:58.675423+00:00"},{"alias_kind":"pith_short_12","alias_value":"VMJMVUOH2LUL","created_at":"2026-07-05T04:45:58.675423+00:00"},{"alias_kind":"pith_short_16","alias_value":"VMJMVUOH2LULEQTF","created_at":"2026-07-05T04:45:58.675423+00:00"},{"alias_kind":"pith_short_8","alias_value":"VMJMVUOH","created_at":"2026-07-05T04:45:58.675423+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/VMJMVUOH2LULEQTFK2CJHTTC7U","json":"https://pith.science/pith/VMJMVUOH2LULEQTFK2CJHTTC7U.json","graph_json":"https://pith.science/api/pith-number/VMJMVUOH2LULEQTFK2CJHTTC7U/graph.json","events_json":"https://pith.science/api/pith-number/VMJMVUOH2LULEQTFK2CJHTTC7U/events.json","paper":"https://pith.science/paper/VMJMVUOH"},"agent_actions":{"view_html":"https://pith.science/pith/VMJMVUOH2LULEQTFK2CJHTTC7U","download_json":"https://pith.science/pith/VMJMVUOH2LULEQTFK2CJHTTC7U.json","view_paper":"https://pith.science/paper/VMJMVUOH","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2203.16093&json=true","fetch_graph":"https://pith.science/api/pith-number/VMJMVUOH2LULEQTFK2CJHTTC7U/graph.json","fetch_events":"https://pith.science/api/pith-number/VMJMVUOH2LULEQTFK2CJHTTC7U/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/VMJMVUOH2LULEQTFK2CJHTTC7U/action/timestamp_anchor","attest_storage":"https://pith.science/pith/VMJMVUOH2LULEQTFK2CJHTTC7U/action/storage_attestation","attest_author":"https://pith.science/pith/VMJMVUOH2LULEQTFK2CJHTTC7U/action/author_attestation","sign_citation":"https://pith.science/pith/VMJMVUOH2LULEQTFK2CJHTTC7U/action/citation_signature","submit_replication":"https://pith.science/pith/VMJMVUOH2LULEQTFK2CJHTTC7U/action/replication_record"}},"created_at":"2026-07-05T04:45:58.675423+00:00","updated_at":"2026-07-05T04:45:58.675423+00:00"}