{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2013:AP5YHQMS2JASYVBGZOWNKSJXMJ","short_pith_number":"pith:AP5YHQMS","schema_version":"1.0","canonical_sha256":"03fb83c192d2412c5426cbacd54937627f6206ccc0d77e382707958c51d6937d","source":{"kind":"arxiv","id":"1301.1223","version":2},"attestation_state":"computed","paper":{"title":"Nearest Neighbor Decoding and Pilot-Aided Channel Estimation for Fading Channels","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["math.IT"],"primary_cat":"cs.IT","authors_text":"Albert Guill\\'en i F\\`abregas, A. Taufiq Asyhari, Tobias Koch","submitted_at":"2013-01-07T15:12:01Z","abstract_excerpt":"We study the information rates of non-coherent, stationary, Gaussian, multiple-input multiple-output (MIMO) flat-fading channels that are achievable with nearest neighbor decoding and pilot-aided channel estimation. In particular, we investigate the behavior of these achievable rates in the limit as the signal- to-noise ratio (SNR) tends to infinity by analyzing the capacity pre-log, which is defined as the limiting ratio of the capacity to the logarithm of the SNR as the SNR tends to infinity. We demonstrate that a scheme estimating the channel using pilot symbols and detecting the message us"},"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":"1301.1223","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2013-01-07T15:12:01Z","cross_cats_sorted":["math.IT"],"title_canon_sha256":"c866123fd24a59c3625b7525e866e0a62c2e194aaf97226b763fe44d2a2cb242","abstract_canon_sha256":"05869b9d07aecee1ef76ab687b362b41b4be5b7634ff297fc9aca5f40e93db73"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:54:39.699063Z","signature_b64":"6WJtIHBLDtnTSgh0u3Xxcdv1HVG7ja5OKJJUHGe3ayf8DvGgOAMhvUf+p5erTJTJsYFLMNR90+rBY/QY2iUeCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"03fb83c192d2412c5426cbacd54937627f6206ccc0d77e382707958c51d6937d","last_reissued_at":"2026-05-18T02:54:39.698490Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:54:39.698490Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Nearest Neighbor Decoding and Pilot-Aided Channel Estimation for Fading Channels","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["math.IT"],"primary_cat":"cs.IT","authors_text":"Albert Guill\\'en i F\\`abregas, A. Taufiq Asyhari, Tobias Koch","submitted_at":"2013-01-07T15:12:01Z","abstract_excerpt":"We study the information rates of non-coherent, stationary, Gaussian, multiple-input multiple-output (MIMO) flat-fading channels that are achievable with nearest neighbor decoding and pilot-aided channel estimation. In particular, we investigate the behavior of these achievable rates in the limit as the signal- to-noise ratio (SNR) tends to infinity by analyzing the capacity pre-log, which is defined as the limiting ratio of the capacity to the logarithm of the SNR as the SNR tends to infinity. We demonstrate that a scheme estimating the channel using pilot symbols and detecting the message us"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1301.1223","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":""},"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":"1301.1223","created_at":"2026-05-18T02:54:39.698586+00:00"},{"alias_kind":"arxiv_version","alias_value":"1301.1223v2","created_at":"2026-05-18T02:54:39.698586+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1301.1223","created_at":"2026-05-18T02:54:39.698586+00:00"},{"alias_kind":"pith_short_12","alias_value":"AP5YHQMS2JAS","created_at":"2026-05-18T12:27:38.830355+00:00"},{"alias_kind":"pith_short_16","alias_value":"AP5YHQMS2JASYVBG","created_at":"2026-05-18T12:27:38.830355+00:00"},{"alias_kind":"pith_short_8","alias_value":"AP5YHQMS","created_at":"2026-05-18T12:27:38.830355+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/AP5YHQMS2JASYVBGZOWNKSJXMJ","json":"https://pith.science/pith/AP5YHQMS2JASYVBGZOWNKSJXMJ.json","graph_json":"https://pith.science/api/pith-number/AP5YHQMS2JASYVBGZOWNKSJXMJ/graph.json","events_json":"https://pith.science/api/pith-number/AP5YHQMS2JASYVBGZOWNKSJXMJ/events.json","paper":"https://pith.science/paper/AP5YHQMS"},"agent_actions":{"view_html":"https://pith.science/pith/AP5YHQMS2JASYVBGZOWNKSJXMJ","download_json":"https://pith.science/pith/AP5YHQMS2JASYVBGZOWNKSJXMJ.json","view_paper":"https://pith.science/paper/AP5YHQMS","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1301.1223&json=true","fetch_graph":"https://pith.science/api/pith-number/AP5YHQMS2JASYVBGZOWNKSJXMJ/graph.json","fetch_events":"https://pith.science/api/pith-number/AP5YHQMS2JASYVBGZOWNKSJXMJ/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/AP5YHQMS2JASYVBGZOWNKSJXMJ/action/timestamp_anchor","attest_storage":"https://pith.science/pith/AP5YHQMS2JASYVBGZOWNKSJXMJ/action/storage_attestation","attest_author":"https://pith.science/pith/AP5YHQMS2JASYVBGZOWNKSJXMJ/action/author_attestation","sign_citation":"https://pith.science/pith/AP5YHQMS2JASYVBGZOWNKSJXMJ/action/citation_signature","submit_replication":"https://pith.science/pith/AP5YHQMS2JASYVBGZOWNKSJXMJ/action/replication_record"}},"created_at":"2026-05-18T02:54:39.698586+00:00","updated_at":"2026-05-18T02:54:39.698586+00:00"}