{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2022:5JP7GLNIIXM6YUJEV4TLLL6TUF","short_pith_number":"pith:5JP7GLNI","schema_version":"1.0","canonical_sha256":"ea5ff32da845d9ec5124af26b5afd3a16a059f8ff08d299de39207b2868cf93c","source":{"kind":"arxiv","id":"2211.12671","version":1},"attestation_state":"computed","paper":{"title":"3-D Positioning and Resource Allocation for Multi-UAV Base Stations Under Blockage-Aware Channel Model","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"eess.SP","authors_text":"Lipeng Zhu, Pengfei Yi, Rui Zhang, Xiang-Gen Xia, Zhenyu Xiao, Zhu Han","submitted_at":"2022-11-23T02:52:35Z","abstract_excerpt":"In this paper, we propose to deploy multiple unmanned aerial vehicle (UAV) mounted base stations to serve ground users in outdoor environments with obstacles. In particular, the geographic information is employed to capture the blockage effects for air-to-ground (A2G) links caused by buildings, and a realistic blockage-aware A2G channel model is proposed to characterize the continuous variation of the channels at different locations. Based on the proposed channel model, we formulate the joint optimization problem of UAV three-dimensional (3-D) positioning and resource allocation, by power allo"},"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":"2211.12671","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"eess.SP","submitted_at":"2022-11-23T02:52:35Z","cross_cats_sorted":[],"title_canon_sha256":"06000bd460055829de4e84af300e81214e95f3920f376933b6697bd5da391ca7","abstract_canon_sha256":"5b62d77671023e28845244d50be2e737b771832ed618e250d59e4b0832ef57ba"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T05:18:53.556762Z","signature_b64":"kj5X/2twigV2uKbTDmWaiAHlj33qd1UFcXmtEU+xhDm23sWYFi3IDsMfHMK4ogugxVsssAGS0FS8V4wiaOC5Ag==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ea5ff32da845d9ec5124af26b5afd3a16a059f8ff08d299de39207b2868cf93c","last_reissued_at":"2026-07-05T05:18:53.556301Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T05:18:53.556301Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"3-D Positioning and Resource Allocation for Multi-UAV Base Stations Under Blockage-Aware Channel Model","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"eess.SP","authors_text":"Lipeng Zhu, Pengfei Yi, Rui Zhang, Xiang-Gen Xia, Zhenyu Xiao, Zhu Han","submitted_at":"2022-11-23T02:52:35Z","abstract_excerpt":"In this paper, we propose to deploy multiple unmanned aerial vehicle (UAV) mounted base stations to serve ground users in outdoor environments with obstacles. In particular, the geographic information is employed to capture the blockage effects for air-to-ground (A2G) links caused by buildings, and a realistic blockage-aware A2G channel model is proposed to characterize the continuous variation of the channels at different locations. Based on the proposed channel model, we formulate the joint optimization problem of UAV three-dimensional (3-D) positioning and resource allocation, by power allo"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2211.12671","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/2211.12671/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":"2211.12671","created_at":"2026-07-05T05:18:53.556368+00:00"},{"alias_kind":"arxiv_version","alias_value":"2211.12671v1","created_at":"2026-07-05T05:18:53.556368+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2211.12671","created_at":"2026-07-05T05:18:53.556368+00:00"},{"alias_kind":"pith_short_12","alias_value":"5JP7GLNIIXM6","created_at":"2026-07-05T05:18:53.556368+00:00"},{"alias_kind":"pith_short_16","alias_value":"5JP7GLNIIXM6YUJE","created_at":"2026-07-05T05:18:53.556368+00:00"},{"alias_kind":"pith_short_8","alias_value":"5JP7GLNI","created_at":"2026-07-05T05:18:53.556368+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/5JP7GLNIIXM6YUJEV4TLLL6TUF","json":"https://pith.science/pith/5JP7GLNIIXM6YUJEV4TLLL6TUF.json","graph_json":"https://pith.science/api/pith-number/5JP7GLNIIXM6YUJEV4TLLL6TUF/graph.json","events_json":"https://pith.science/api/pith-number/5JP7GLNIIXM6YUJEV4TLLL6TUF/events.json","paper":"https://pith.science/paper/5JP7GLNI"},"agent_actions":{"view_html":"https://pith.science/pith/5JP7GLNIIXM6YUJEV4TLLL6TUF","download_json":"https://pith.science/pith/5JP7GLNIIXM6YUJEV4TLLL6TUF.json","view_paper":"https://pith.science/paper/5JP7GLNI","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2211.12671&json=true","fetch_graph":"https://pith.science/api/pith-number/5JP7GLNIIXM6YUJEV4TLLL6TUF/graph.json","fetch_events":"https://pith.science/api/pith-number/5JP7GLNIIXM6YUJEV4TLLL6TUF/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/5JP7GLNIIXM6YUJEV4TLLL6TUF/action/timestamp_anchor","attest_storage":"https://pith.science/pith/5JP7GLNIIXM6YUJEV4TLLL6TUF/action/storage_attestation","attest_author":"https://pith.science/pith/5JP7GLNIIXM6YUJEV4TLLL6TUF/action/author_attestation","sign_citation":"https://pith.science/pith/5JP7GLNIIXM6YUJEV4TLLL6TUF/action/citation_signature","submit_replication":"https://pith.science/pith/5JP7GLNIIXM6YUJEV4TLLL6TUF/action/replication_record"}},"created_at":"2026-07-05T05:18:53.556368+00:00","updated_at":"2026-07-05T05:18:53.556368+00:00"}