{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2024:45YLGRETN4JJLXDQOG7V4CGNKR","short_pith_number":"pith:45YLGRET","schema_version":"1.0","canonical_sha256":"e770b344936f1295dc7071bf5e08cd54798084d6894179815911e4dc118c1e32","source":{"kind":"arxiv","id":"2408.08322","version":1},"attestation_state":"computed","paper":{"title":"Movable-Antenna Position Optimization for Physical-Layer Security via Discrete Sampling","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.IT","math.IT"],"primary_cat":"eess.SP","authors_text":"Boyu Ning, Weidong Mei, Xin Wei, Yijie Liu, Zhi Chen","submitted_at":"2024-08-01T07:27:25Z","abstract_excerpt":"Fluid antennas (FAs) and mobile antennas (MAs) are innovative technologies in wireless communications that are able to proactively improve channel conditions by dynamically adjusting the transmit/receive antenna positions within a given spatial region. In this paper, we investigate an MA-enhanced multiple-input single-output (MISO) secure communication system, aiming to maximize the secrecy rate by jointly optimizing the positions of multiple MAs. Instead of continuously searching for the optimal MA positions as in prior works, we propose to discretize the transmit region into multiple samplin"},"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":"2408.08322","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.SP","submitted_at":"2024-08-01T07:27:25Z","cross_cats_sorted":["cs.IT","math.IT"],"title_canon_sha256":"ee0156b2f6581477c8fa77c66a7197a24feb31f328dbea22e80b8f9f52234f6c","abstract_canon_sha256":"6fd8b7dabfff94f379ad7cdd62b0c21b1b3eea4e48ef932d134e26046b96b411"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T08:55:52.474142Z","signature_b64":"/SM4wvQU04L94SUsYrFzIMEMP6Sm3/b23VZcy26z/WlwujLR+zo1zj05eAw1chlCP1BKY1FQQzRkiidwe243CQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e770b344936f1295dc7071bf5e08cd54798084d6894179815911e4dc118c1e32","last_reissued_at":"2026-07-05T08:55:52.473686Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T08:55:52.473686Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Movable-Antenna Position Optimization for Physical-Layer Security via Discrete Sampling","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.IT","math.IT"],"primary_cat":"eess.SP","authors_text":"Boyu Ning, Weidong Mei, Xin Wei, Yijie Liu, Zhi Chen","submitted_at":"2024-08-01T07:27:25Z","abstract_excerpt":"Fluid antennas (FAs) and mobile antennas (MAs) are innovative technologies in wireless communications that are able to proactively improve channel conditions by dynamically adjusting the transmit/receive antenna positions within a given spatial region. In this paper, we investigate an MA-enhanced multiple-input single-output (MISO) secure communication system, aiming to maximize the secrecy rate by jointly optimizing the positions of multiple MAs. Instead of continuously searching for the optimal MA positions as in prior works, we propose to discretize the transmit region into multiple samplin"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2408.08322","kind":"arxiv","version":1},"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/2408.08322/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":"2408.08322","created_at":"2026-07-05T08:55:52.473737+00:00"},{"alias_kind":"arxiv_version","alias_value":"2408.08322v1","created_at":"2026-07-05T08:55:52.473737+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2408.08322","created_at":"2026-07-05T08:55:52.473737+00:00"},{"alias_kind":"pith_short_12","alias_value":"45YLGRETN4JJ","created_at":"2026-07-05T08:55:52.473737+00:00"},{"alias_kind":"pith_short_16","alias_value":"45YLGRETN4JJLXDQ","created_at":"2026-07-05T08:55:52.473737+00:00"},{"alias_kind":"pith_short_8","alias_value":"45YLGRET","created_at":"2026-07-05T08:55:52.473737+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":1,"internal_anchor_count":1,"sample":[{"citing_arxiv_id":"2507.05878","citing_title":"An Effective Equivalence Model of Analyzing PLS of Multiple Eavesdroppers Facing Low-altitude Communication Systems","ref_index":25,"is_internal_anchor":true}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/45YLGRETN4JJLXDQOG7V4CGNKR","json":"https://pith.science/pith/45YLGRETN4JJLXDQOG7V4CGNKR.json","graph_json":"https://pith.science/api/pith-number/45YLGRETN4JJLXDQOG7V4CGNKR/graph.json","events_json":"https://pith.science/api/pith-number/45YLGRETN4JJLXDQOG7V4CGNKR/events.json","paper":"https://pith.science/paper/45YLGRET"},"agent_actions":{"view_html":"https://pith.science/pith/45YLGRETN4JJLXDQOG7V4CGNKR","download_json":"https://pith.science/pith/45YLGRETN4JJLXDQOG7V4CGNKR.json","view_paper":"https://pith.science/paper/45YLGRET","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2408.08322&json=true","fetch_graph":"https://pith.science/api/pith-number/45YLGRETN4JJLXDQOG7V4CGNKR/graph.json","fetch_events":"https://pith.science/api/pith-number/45YLGRETN4JJLXDQOG7V4CGNKR/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/45YLGRETN4JJLXDQOG7V4CGNKR/action/timestamp_anchor","attest_storage":"https://pith.science/pith/45YLGRETN4JJLXDQOG7V4CGNKR/action/storage_attestation","attest_author":"https://pith.science/pith/45YLGRETN4JJLXDQOG7V4CGNKR/action/author_attestation","sign_citation":"https://pith.science/pith/45YLGRETN4JJLXDQOG7V4CGNKR/action/citation_signature","submit_replication":"https://pith.science/pith/45YLGRETN4JJLXDQOG7V4CGNKR/action/replication_record"}},"created_at":"2026-07-05T08:55:52.473737+00:00","updated_at":"2026-07-05T08:55:52.473737+00:00"}