{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2018:DSJPHEQMFQXMJYABUTEKDBTRGI","short_pith_number":"pith:DSJPHEQM","schema_version":"1.0","canonical_sha256":"1c92f3920c2c2ec4e001a4c8a186713224a84c01d4349a6cce93d37f3f06547a","source":{"kind":"arxiv","id":"1810.06934","version":5},"attestation_state":"computed","paper":{"title":"Reconfigurable Intelligent Surfaces for Energy Efficiency in Wireless Communication","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["math.IT"],"primary_cat":"cs.IT","authors_text":"Alessio Zappone, Chau Yuen, Chongwen Huang, George C. Alexandropoulos, M\\'erouane Debbah","submitted_at":"2018-10-16T11:31:24Z","abstract_excerpt":"The adoption of a Reconfigurable Intelligent Surface (RIS) for downlink multi-user communication from a multi-antenna base station is investigated in this paper. We develop energy-efficient designs for both the transmit power allocation and the phase shifts of the surface reflecting elements, subject to individual link budget guarantees for the mobile users. This leads to non-convex design optimization problems for which to tackle we propose two computationally affordable approaches, capitalizing on alternating maximization, gradient descent search, and sequential fractional programming. Speci"},"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":"1810.06934","kind":"arxiv","version":5},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2018-10-16T11:31:24Z","cross_cats_sorted":["math.IT"],"title_canon_sha256":"2890c481b3173df28b43e5eb0fcfbded4d9b612ce29e6120894673da13dda4da","abstract_canon_sha256":"61eabbd75b8b9277834ffc11cf802a3326b4ce2c952ba6eeeecaf0631d059126"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T04:33:49.337586Z","signature_b64":"iY4Cc8sCJxDUsp2S1RJOBox4rQhiAhKYvh167nyTxsNOlNi2CCDcf4pSPAEkyRJRfGCrAukWvhtR1ETjP+VSCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"1c92f3920c2c2ec4e001a4c8a186713224a84c01d4349a6cce93d37f3f06547a","last_reissued_at":"2026-07-05T04:33:49.337161Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T04:33:49.337161Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Reconfigurable Intelligent Surfaces for Energy Efficiency in Wireless Communication","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["math.IT"],"primary_cat":"cs.IT","authors_text":"Alessio Zappone, Chau Yuen, Chongwen Huang, George C. Alexandropoulos, M\\'erouane Debbah","submitted_at":"2018-10-16T11:31:24Z","abstract_excerpt":"The adoption of a Reconfigurable Intelligent Surface (RIS) for downlink multi-user communication from a multi-antenna base station is investigated in this paper. We develop energy-efficient designs for both the transmit power allocation and the phase shifts of the surface reflecting elements, subject to individual link budget guarantees for the mobile users. This leads to non-convex design optimization problems for which to tackle we propose two computationally affordable approaches, capitalizing on alternating maximization, gradient descent search, and sequential fractional programming. Speci"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1810.06934","kind":"arxiv","version":5},"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/1810.06934/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":"1810.06934","created_at":"2026-07-05T04:33:49.337220+00:00"},{"alias_kind":"arxiv_version","alias_value":"1810.06934v5","created_at":"2026-07-05T04:33:49.337220+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1810.06934","created_at":"2026-07-05T04:33:49.337220+00:00"},{"alias_kind":"pith_short_12","alias_value":"DSJPHEQMFQXM","created_at":"2026-07-05T04:33:49.337220+00:00"},{"alias_kind":"pith_short_16","alias_value":"DSJPHEQMFQXMJYAB","created_at":"2026-07-05T04:33:49.337220+00:00"},{"alias_kind":"pith_short_8","alias_value":"DSJPHEQM","created_at":"2026-07-05T04:33:49.337220+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":1,"internal_anchor_count":0,"sample":[{"citing_arxiv_id":"1906.09490","citing_title":"Wireless Communications Through Reconfigurable Intelligent Surfaces","ref_index":32,"is_internal_anchor":false}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/DSJPHEQMFQXMJYABUTEKDBTRGI","json":"https://pith.science/pith/DSJPHEQMFQXMJYABUTEKDBTRGI.json","graph_json":"https://pith.science/api/pith-number/DSJPHEQMFQXMJYABUTEKDBTRGI/graph.json","events_json":"https://pith.science/api/pith-number/DSJPHEQMFQXMJYABUTEKDBTRGI/events.json","paper":"https://pith.science/paper/DSJPHEQM"},"agent_actions":{"view_html":"https://pith.science/pith/DSJPHEQMFQXMJYABUTEKDBTRGI","download_json":"https://pith.science/pith/DSJPHEQMFQXMJYABUTEKDBTRGI.json","view_paper":"https://pith.science/paper/DSJPHEQM","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1810.06934&json=true","fetch_graph":"https://pith.science/api/pith-number/DSJPHEQMFQXMJYABUTEKDBTRGI/graph.json","fetch_events":"https://pith.science/api/pith-number/DSJPHEQMFQXMJYABUTEKDBTRGI/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/DSJPHEQMFQXMJYABUTEKDBTRGI/action/timestamp_anchor","attest_storage":"https://pith.science/pith/DSJPHEQMFQXMJYABUTEKDBTRGI/action/storage_attestation","attest_author":"https://pith.science/pith/DSJPHEQMFQXMJYABUTEKDBTRGI/action/author_attestation","sign_citation":"https://pith.science/pith/DSJPHEQMFQXMJYABUTEKDBTRGI/action/citation_signature","submit_replication":"https://pith.science/pith/DSJPHEQMFQXMJYABUTEKDBTRGI/action/replication_record"}},"created_at":"2026-07-05T04:33:49.337220+00:00","updated_at":"2026-07-05T04:33:49.337220+00:00"}