{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2024:E6U6DDLGGG7SKSLGQQMGLZ5IRY","short_pith_number":"pith:E6U6DDLG","schema_version":"1.0","canonical_sha256":"27a9e18d6631bf254966841865e7a88e143309ab527cd8219db69292fe528adc","source":{"kind":"arxiv","id":"2412.01029","version":1},"attestation_state":"computed","paper":{"title":"Deep Learning Based Near-Field User Localization with Beam Squint in Wideband XL-MIMO Systems","license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","headline":"","cross_cats":["cs.IT","math.IT"],"primary_cat":"eess.SP","authors_text":"Bo Ai, Derrick Wing Kwan Ng, Hao Lei, Huahua Xiao, Jiayi Zhang","submitted_at":"2024-12-02T01:22:59Z","abstract_excerpt":"Extremely large-scale multiple-input multiple-output (XL-MIMO) is gaining attention as a prominent technology for enabling the sixth-generation (6G) wireless networks. However, the vast antenna array and the huge bandwidth introduce a non-negligible beam squint effect, causing beams of different frequencies to focus at different locations. One approach to cope with this is to employ true-time-delay lines (TTDs)-based beamforming to control the range and trajectory of near-field beam squint, known as the near-field controllable beam squint (CBS) effect. In this paper, we investigate the user lo"},"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":"2412.01029","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"eess.SP","submitted_at":"2024-12-02T01:22:59Z","cross_cats_sorted":["cs.IT","math.IT"],"title_canon_sha256":"a3caa765ac39b5c38582445a2c61db967d5c46d2d401f8ff93ab3805d72b4407","abstract_canon_sha256":"38fa1291203585fed030e6ec7631426a547878fecee5d2ba57c062f87e5582b3"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T09:42:52.344086Z","signature_b64":"O0FIGhmW/qr5rcaQ8ZTGoSq3TvruhXHXpb/+2+da5yednxID+W7X9IcC1QTkbHdkDC7ILMq+RfCyeGh9lxBnDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"27a9e18d6631bf254966841865e7a88e143309ab527cd8219db69292fe528adc","last_reissued_at":"2026-07-05T09:42:52.343571Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T09:42:52.343571Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Deep Learning Based Near-Field User Localization with Beam Squint in Wideband XL-MIMO Systems","license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","headline":"","cross_cats":["cs.IT","math.IT"],"primary_cat":"eess.SP","authors_text":"Bo Ai, Derrick Wing Kwan Ng, Hao Lei, Huahua Xiao, Jiayi Zhang","submitted_at":"2024-12-02T01:22:59Z","abstract_excerpt":"Extremely large-scale multiple-input multiple-output (XL-MIMO) is gaining attention as a prominent technology for enabling the sixth-generation (6G) wireless networks. However, the vast antenna array and the huge bandwidth introduce a non-negligible beam squint effect, causing beams of different frequencies to focus at different locations. One approach to cope with this is to employ true-time-delay lines (TTDs)-based beamforming to control the range and trajectory of near-field beam squint, known as the near-field controllable beam squint (CBS) effect. In this paper, we investigate the user lo"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2412.01029","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/2412.01029/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":"2412.01029","created_at":"2026-07-05T09:42:52.343632+00:00"},{"alias_kind":"arxiv_version","alias_value":"2412.01029v1","created_at":"2026-07-05T09:42:52.343632+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2412.01029","created_at":"2026-07-05T09:42:52.343632+00:00"},{"alias_kind":"pith_short_12","alias_value":"E6U6DDLGGG7S","created_at":"2026-07-05T09:42:52.343632+00:00"},{"alias_kind":"pith_short_16","alias_value":"E6U6DDLGGG7SKSLG","created_at":"2026-07-05T09:42:52.343632+00:00"},{"alias_kind":"pith_short_8","alias_value":"E6U6DDLG","created_at":"2026-07-05T09:42:52.343632+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/E6U6DDLGGG7SKSLGQQMGLZ5IRY","json":"https://pith.science/pith/E6U6DDLGGG7SKSLGQQMGLZ5IRY.json","graph_json":"https://pith.science/api/pith-number/E6U6DDLGGG7SKSLGQQMGLZ5IRY/graph.json","events_json":"https://pith.science/api/pith-number/E6U6DDLGGG7SKSLGQQMGLZ5IRY/events.json","paper":"https://pith.science/paper/E6U6DDLG"},"agent_actions":{"view_html":"https://pith.science/pith/E6U6DDLGGG7SKSLGQQMGLZ5IRY","download_json":"https://pith.science/pith/E6U6DDLGGG7SKSLGQQMGLZ5IRY.json","view_paper":"https://pith.science/paper/E6U6DDLG","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2412.01029&json=true","fetch_graph":"https://pith.science/api/pith-number/E6U6DDLGGG7SKSLGQQMGLZ5IRY/graph.json","fetch_events":"https://pith.science/api/pith-number/E6U6DDLGGG7SKSLGQQMGLZ5IRY/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/E6U6DDLGGG7SKSLGQQMGLZ5IRY/action/timestamp_anchor","attest_storage":"https://pith.science/pith/E6U6DDLGGG7SKSLGQQMGLZ5IRY/action/storage_attestation","attest_author":"https://pith.science/pith/E6U6DDLGGG7SKSLGQQMGLZ5IRY/action/author_attestation","sign_citation":"https://pith.science/pith/E6U6DDLGGG7SKSLGQQMGLZ5IRY/action/citation_signature","submit_replication":"https://pith.science/pith/E6U6DDLGGG7SKSLGQQMGLZ5IRY/action/replication_record"}},"created_at":"2026-07-05T09:42:52.343632+00:00","updated_at":"2026-07-05T09:42:52.343632+00:00"}