{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2022:CGNXK7GQVODTUQC5363TYLG2MQ","short_pith_number":"pith:CGNXK7GQ","schema_version":"1.0","canonical_sha256":"119b757cd0ab873a405ddfb73c2cda643ae4533d2e17716e8c61b6357f508926","source":{"kind":"arxiv","id":"2207.06853","version":2},"attestation_state":"computed","paper":{"title":"Joint UAV Placement and IRS Phase Shift Optimization in Downlink Networks","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"eess.SP","authors_text":"Hieu V. Nguyen, Hung Nguyen-Kha, Mai T. P. Le, Oh-Soon Shin","submitted_at":"2022-07-14T12:13:14Z","abstract_excerpt":"This study investigates the integration of an intelligent reflecting surface (IRS) into an unmanned aerial vehicle (UAV) platform to utilize the advantages of these leading technologies for sixth-generation communications, e.g., improved spectral and energy efficiency, extended network coverage, and flexible deployment. In particular, we investigate a downlink IRS-UAV system, wherein single-antenna ground users (UEs) are served by a multi-antenna base station (BS). To assist the communication between UEs and the BS, an IRS mounted on a UAV is deployed, in which the direct links are obstructed "},"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":"2207.06853","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.SP","submitted_at":"2022-07-14T12:13:14Z","cross_cats_sorted":[],"title_canon_sha256":"109767137a17bebb4902c4b09c235cc777c87cecef57a6c0f67666456a89da70","abstract_canon_sha256":"c36dd754652caf4edf7bd0797be6fc8143018ef25acff2114583d0a64c0ec593"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T08:21:03.242642Z","signature_b64":"K8OGmUhbYDCRlcLKPPXC37uOPgD/BnmNBCPYwI2REr4xX9mi+2DINPKkPHDbISDNwzeRca+3lhGeZXUkMFS4AA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"119b757cd0ab873a405ddfb73c2cda643ae4533d2e17716e8c61b6357f508926","last_reissued_at":"2026-07-05T08:21:03.242199Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T08:21:03.242199Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Joint UAV Placement and IRS Phase Shift Optimization in Downlink Networks","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"eess.SP","authors_text":"Hieu V. Nguyen, Hung Nguyen-Kha, Mai T. P. Le, Oh-Soon Shin","submitted_at":"2022-07-14T12:13:14Z","abstract_excerpt":"This study investigates the integration of an intelligent reflecting surface (IRS) into an unmanned aerial vehicle (UAV) platform to utilize the advantages of these leading technologies for sixth-generation communications, e.g., improved spectral and energy efficiency, extended network coverage, and flexible deployment. In particular, we investigate a downlink IRS-UAV system, wherein single-antenna ground users (UEs) are served by a multi-antenna base station (BS). To assist the communication between UEs and the BS, an IRS mounted on a UAV is deployed, in which the direct links are obstructed "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2207.06853","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/2207.06853/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":"2207.06853","created_at":"2026-07-05T08:21:03.242267+00:00"},{"alias_kind":"arxiv_version","alias_value":"2207.06853v2","created_at":"2026-07-05T08:21:03.242267+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2207.06853","created_at":"2026-07-05T08:21:03.242267+00:00"},{"alias_kind":"pith_short_12","alias_value":"CGNXK7GQVODT","created_at":"2026-07-05T08:21:03.242267+00:00"},{"alias_kind":"pith_short_16","alias_value":"CGNXK7GQVODTUQC5","created_at":"2026-07-05T08:21:03.242267+00:00"},{"alias_kind":"pith_short_8","alias_value":"CGNXK7GQ","created_at":"2026-07-05T08:21:03.242267+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/CGNXK7GQVODTUQC5363TYLG2MQ","json":"https://pith.science/pith/CGNXK7GQVODTUQC5363TYLG2MQ.json","graph_json":"https://pith.science/api/pith-number/CGNXK7GQVODTUQC5363TYLG2MQ/graph.json","events_json":"https://pith.science/api/pith-number/CGNXK7GQVODTUQC5363TYLG2MQ/events.json","paper":"https://pith.science/paper/CGNXK7GQ"},"agent_actions":{"view_html":"https://pith.science/pith/CGNXK7GQVODTUQC5363TYLG2MQ","download_json":"https://pith.science/pith/CGNXK7GQVODTUQC5363TYLG2MQ.json","view_paper":"https://pith.science/paper/CGNXK7GQ","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2207.06853&json=true","fetch_graph":"https://pith.science/api/pith-number/CGNXK7GQVODTUQC5363TYLG2MQ/graph.json","fetch_events":"https://pith.science/api/pith-number/CGNXK7GQVODTUQC5363TYLG2MQ/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/CGNXK7GQVODTUQC5363TYLG2MQ/action/timestamp_anchor","attest_storage":"https://pith.science/pith/CGNXK7GQVODTUQC5363TYLG2MQ/action/storage_attestation","attest_author":"https://pith.science/pith/CGNXK7GQVODTUQC5363TYLG2MQ/action/author_attestation","sign_citation":"https://pith.science/pith/CGNXK7GQVODTUQC5363TYLG2MQ/action/citation_signature","submit_replication":"https://pith.science/pith/CGNXK7GQVODTUQC5363TYLG2MQ/action/replication_record"}},"created_at":"2026-07-05T08:21:03.242267+00:00","updated_at":"2026-07-05T08:21:03.242267+00:00"}