{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2024:5OSNNNWOBIKJCOTBS3C4IVMEKO","short_pith_number":"pith:5OSNNNWO","schema_version":"1.0","canonical_sha256":"eba4d6b6ce0a14913a6196c5c4558453b2ceeeefa182a92c7ca5cde99d4b0abd","source":{"kind":"arxiv","id":"2411.16501","version":1},"attestation_state":"computed","paper":{"title":"Angle of Arrival Estimation Using SRS in 5G NR Uplink Scenarios","license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","headline":"","cross_cats":[],"primary_cat":"eess.SP","authors_text":"Fran Fabra, Gonzalo Seco-Granados, Ivan Lapin, Jos\\'e A. L\\'opez-Salcedo, Nikos Kanistras, Thodoris Spanos, Vassilis Paliouras","submitted_at":"2024-11-25T15:37:22Z","abstract_excerpt":"This paper presents a comprehensive exploration of Angle of Arrival (AoA) estimation techniques in 5G environments, using the Sounding Reference Signal (SRS) in Uplink scenarios both in simulations and with actual measurements. Leveraging 5G capabilities, we investigate AoA algorithms for single-base station positioning. The study includes simulations and practical tests on a developed dedicated testbed featuring a base station equipped with a three-element Uniform Linear Array (ULA), considering Line of Sight conditions in an open environment. The testbed, employing Ettus E312 as the transmit"},"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":"2411.16501","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"eess.SP","submitted_at":"2024-11-25T15:37:22Z","cross_cats_sorted":[],"title_canon_sha256":"f5e944c4bdd3ca5193b352e15e9da6025d91973f0722ce41cc5337e5f4deec4b","abstract_canon_sha256":"8dab59872a5f51db8723f2670e160ef79d3faa1496a764db7b1320829748348c"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T09:40:10.387173Z","signature_b64":"YLY13Kq9rNgg/aBamWbkU9ZLA0AiectURpWTSCVmyE/ngZ/WtUkDq8vTBgs7hRixlJXteTogFI0Lnu2hxZLDBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"eba4d6b6ce0a14913a6196c5c4558453b2ceeeefa182a92c7ca5cde99d4b0abd","last_reissued_at":"2026-07-05T09:40:10.386692Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T09:40:10.386692Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Angle of Arrival Estimation Using SRS in 5G NR Uplink Scenarios","license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","headline":"","cross_cats":[],"primary_cat":"eess.SP","authors_text":"Fran Fabra, Gonzalo Seco-Granados, Ivan Lapin, Jos\\'e A. L\\'opez-Salcedo, Nikos Kanistras, Thodoris Spanos, Vassilis Paliouras","submitted_at":"2024-11-25T15:37:22Z","abstract_excerpt":"This paper presents a comprehensive exploration of Angle of Arrival (AoA) estimation techniques in 5G environments, using the Sounding Reference Signal (SRS) in Uplink scenarios both in simulations and with actual measurements. Leveraging 5G capabilities, we investigate AoA algorithms for single-base station positioning. The study includes simulations and practical tests on a developed dedicated testbed featuring a base station equipped with a three-element Uniform Linear Array (ULA), considering Line of Sight conditions in an open environment. The testbed, employing Ettus E312 as the transmit"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2411.16501","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/2411.16501/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":"2411.16501","created_at":"2026-07-05T09:40:10.386758+00:00"},{"alias_kind":"arxiv_version","alias_value":"2411.16501v1","created_at":"2026-07-05T09:40:10.386758+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2411.16501","created_at":"2026-07-05T09:40:10.386758+00:00"},{"alias_kind":"pith_short_12","alias_value":"5OSNNNWOBIKJ","created_at":"2026-07-05T09:40:10.386758+00:00"},{"alias_kind":"pith_short_16","alias_value":"5OSNNNWOBIKJCOTB","created_at":"2026-07-05T09:40:10.386758+00:00"},{"alias_kind":"pith_short_8","alias_value":"5OSNNNWO","created_at":"2026-07-05T09:40:10.386758+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/5OSNNNWOBIKJCOTBS3C4IVMEKO","json":"https://pith.science/pith/5OSNNNWOBIKJCOTBS3C4IVMEKO.json","graph_json":"https://pith.science/api/pith-number/5OSNNNWOBIKJCOTBS3C4IVMEKO/graph.json","events_json":"https://pith.science/api/pith-number/5OSNNNWOBIKJCOTBS3C4IVMEKO/events.json","paper":"https://pith.science/paper/5OSNNNWO"},"agent_actions":{"view_html":"https://pith.science/pith/5OSNNNWOBIKJCOTBS3C4IVMEKO","download_json":"https://pith.science/pith/5OSNNNWOBIKJCOTBS3C4IVMEKO.json","view_paper":"https://pith.science/paper/5OSNNNWO","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2411.16501&json=true","fetch_graph":"https://pith.science/api/pith-number/5OSNNNWOBIKJCOTBS3C4IVMEKO/graph.json","fetch_events":"https://pith.science/api/pith-number/5OSNNNWOBIKJCOTBS3C4IVMEKO/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/5OSNNNWOBIKJCOTBS3C4IVMEKO/action/timestamp_anchor","attest_storage":"https://pith.science/pith/5OSNNNWOBIKJCOTBS3C4IVMEKO/action/storage_attestation","attest_author":"https://pith.science/pith/5OSNNNWOBIKJCOTBS3C4IVMEKO/action/author_attestation","sign_citation":"https://pith.science/pith/5OSNNNWOBIKJCOTBS3C4IVMEKO/action/citation_signature","submit_replication":"https://pith.science/pith/5OSNNNWOBIKJCOTBS3C4IVMEKO/action/replication_record"}},"created_at":"2026-07-05T09:40:10.386758+00:00","updated_at":"2026-07-05T09:40:10.386758+00:00"}