{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2018:V67JXLYAEP35QD7LHGO7UZTBQ4","short_pith_number":"pith:V67JXLYA","schema_version":"1.0","canonical_sha256":"afbe9baf0023f7d80feb399dfa66618716167320fd672e6f85e2e612b969c4fe","source":{"kind":"arxiv","id":"1809.00132","version":1},"attestation_state":"computed","paper":{"title":"Angle-Domain Approach for Parameter Estimation in High-Mobility OFDM with Fully/Partly Calibrated Massive ULA","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"eess.SP","authors_text":"Feifei Gao, Hlaing Minn, Weile Zhang, Yinghao Ge","submitted_at":"2018-09-01T08:09:19Z","abstract_excerpt":"In this paper, we consider a downlink orthogonal frequency division multiplexing (OFDM) system from a base station to a high-speed train (HST) equipped with fully/partly calibrated massive uniform linear antenna-array (ULA) in wireless environments with abundant scatterers. Multiple Doppler frequency offsets (DFOs) stemming from intensive propagation paths together with transceiver oscillator frequency offset (OFO) result in a fast time-varying frequency-selective channel. We develop an angle domain carrier frequency offset (CFO, general designation for DFO and OFO) estimation approach. A high"},"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":"1809.00132","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.SP","submitted_at":"2018-09-01T08:09:19Z","cross_cats_sorted":[],"title_canon_sha256":"c713097c3e38f1a784d9b7a77d00e0f0df28db9501cd09f58d87e0c535d520a6","abstract_canon_sha256":"bcfd1db631e17d4102632c442d8cbf79d84ea353df8dac5b3e2480a47382a632"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:06:35.997769Z","signature_b64":"drLriC+wcQmwNDUlGnAN8i6plCPRpYHGdgDvLnOJqeSv0Z6zr4/nO1Kl+LGg7TzRHQxG2/YNcoWtKkdOwa7WDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"afbe9baf0023f7d80feb399dfa66618716167320fd672e6f85e2e612b969c4fe","last_reissued_at":"2026-05-18T00:06:35.997274Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:06:35.997274Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Angle-Domain Approach for Parameter Estimation in High-Mobility OFDM with Fully/Partly Calibrated Massive ULA","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"eess.SP","authors_text":"Feifei Gao, Hlaing Minn, Weile Zhang, Yinghao Ge","submitted_at":"2018-09-01T08:09:19Z","abstract_excerpt":"In this paper, we consider a downlink orthogonal frequency division multiplexing (OFDM) system from a base station to a high-speed train (HST) equipped with fully/partly calibrated massive uniform linear antenna-array (ULA) in wireless environments with abundant scatterers. Multiple Doppler frequency offsets (DFOs) stemming from intensive propagation paths together with transceiver oscillator frequency offset (OFO) result in a fast time-varying frequency-selective channel. We develop an angle domain carrier frequency offset (CFO, general designation for DFO and OFO) estimation approach. A high"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1809.00132","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":""},"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":"1809.00132","created_at":"2026-05-18T00:06:35.997379+00:00"},{"alias_kind":"arxiv_version","alias_value":"1809.00132v1","created_at":"2026-05-18T00:06:35.997379+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1809.00132","created_at":"2026-05-18T00:06:35.997379+00:00"},{"alias_kind":"pith_short_12","alias_value":"V67JXLYAEP35","created_at":"2026-05-18T12:32:59.047623+00:00"},{"alias_kind":"pith_short_16","alias_value":"V67JXLYAEP35QD7L","created_at":"2026-05-18T12:32:59.047623+00:00"},{"alias_kind":"pith_short_8","alias_value":"V67JXLYA","created_at":"2026-05-18T12:32:59.047623+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/V67JXLYAEP35QD7LHGO7UZTBQ4","json":"https://pith.science/pith/V67JXLYAEP35QD7LHGO7UZTBQ4.json","graph_json":"https://pith.science/api/pith-number/V67JXLYAEP35QD7LHGO7UZTBQ4/graph.json","events_json":"https://pith.science/api/pith-number/V67JXLYAEP35QD7LHGO7UZTBQ4/events.json","paper":"https://pith.science/paper/V67JXLYA"},"agent_actions":{"view_html":"https://pith.science/pith/V67JXLYAEP35QD7LHGO7UZTBQ4","download_json":"https://pith.science/pith/V67JXLYAEP35QD7LHGO7UZTBQ4.json","view_paper":"https://pith.science/paper/V67JXLYA","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1809.00132&json=true","fetch_graph":"https://pith.science/api/pith-number/V67JXLYAEP35QD7LHGO7UZTBQ4/graph.json","fetch_events":"https://pith.science/api/pith-number/V67JXLYAEP35QD7LHGO7UZTBQ4/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/V67JXLYAEP35QD7LHGO7UZTBQ4/action/timestamp_anchor","attest_storage":"https://pith.science/pith/V67JXLYAEP35QD7LHGO7UZTBQ4/action/storage_attestation","attest_author":"https://pith.science/pith/V67JXLYAEP35QD7LHGO7UZTBQ4/action/author_attestation","sign_citation":"https://pith.science/pith/V67JXLYAEP35QD7LHGO7UZTBQ4/action/citation_signature","submit_replication":"https://pith.science/pith/V67JXLYAEP35QD7LHGO7UZTBQ4/action/replication_record"}},"created_at":"2026-05-18T00:06:35.997379+00:00","updated_at":"2026-05-18T00:06:35.997379+00:00"}