{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2015:BEHUMX77MLSY5KE7G35KDL4SCD","short_pith_number":"pith:BEHUMX77","schema_version":"1.0","canonical_sha256":"090f465fff62e58ea89f36faa1af9210d36a82477bc1f6d2212447cb456c17f8","source":{"kind":"arxiv","id":"1501.05580","version":1},"attestation_state":"computed","paper":{"title":"Joint Channel-and-Data Estimation for Large-MIMO Systems with Low-Precision ADCs","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["math.IT"],"primary_cat":"cs.IT","authors_text":"Chang-Jen Wang, Chao-Kai Wen, Gang Wu, Kai-Kit Wong, Shi Jin","submitted_at":"2015-01-22T17:30:18Z","abstract_excerpt":"The use of low precision (e.g., 1-3 bits) analog-to-digital convenors (ADCs) in very large multiple-input multiple-output (MIMO) systems is a technique to reduce cost and power consumption. In this context, nevertheless, it has been shown that the training duration is required to be {\\em very large} just to obtain an acceptable channel state information (CSI) at the receiver. A possible solution to the quantized MIMO systems is joint channel-and-data (JCD) estimation. This paper first develops an analytical framework for studying the quantized MIMO system using JCD estimation. In particular, w"},"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":"1501.05580","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2015-01-22T17:30:18Z","cross_cats_sorted":["math.IT"],"title_canon_sha256":"f4d6c4d222900a8bf20f30d7f4297d12bb3abde94f830474802263c9ee50dde5","abstract_canon_sha256":"f33c8d3ce1fa881a23848e6e8ee1321d19afc8136fe3cbd03e53fb8c07de0a0d"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:28:54.430358Z","signature_b64":"mi6tm5kzT00huPUZNAC959CJmiWD7jyzgMdkIO/8jvwOYCW4tWffOchnmNTxZDAWTZw1nEzEglyxoB5msNo3Bw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"090f465fff62e58ea89f36faa1af9210d36a82477bc1f6d2212447cb456c17f8","last_reissued_at":"2026-05-18T02:28:54.429996Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:28:54.429996Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Joint Channel-and-Data Estimation for Large-MIMO Systems with Low-Precision ADCs","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["math.IT"],"primary_cat":"cs.IT","authors_text":"Chang-Jen Wang, Chao-Kai Wen, Gang Wu, Kai-Kit Wong, Shi Jin","submitted_at":"2015-01-22T17:30:18Z","abstract_excerpt":"The use of low precision (e.g., 1-3 bits) analog-to-digital convenors (ADCs) in very large multiple-input multiple-output (MIMO) systems is a technique to reduce cost and power consumption. In this context, nevertheless, it has been shown that the training duration is required to be {\\em very large} just to obtain an acceptable channel state information (CSI) at the receiver. A possible solution to the quantized MIMO systems is joint channel-and-data (JCD) estimation. This paper first develops an analytical framework for studying the quantized MIMO system using JCD estimation. In particular, w"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1501.05580","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":"1501.05580","created_at":"2026-05-18T02:28:54.430053+00:00"},{"alias_kind":"arxiv_version","alias_value":"1501.05580v1","created_at":"2026-05-18T02:28:54.430053+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1501.05580","created_at":"2026-05-18T02:28:54.430053+00:00"},{"alias_kind":"pith_short_12","alias_value":"BEHUMX77MLSY","created_at":"2026-05-18T12:29:14.074870+00:00"},{"alias_kind":"pith_short_16","alias_value":"BEHUMX77MLSY5KE7","created_at":"2026-05-18T12:29:14.074870+00:00"},{"alias_kind":"pith_short_8","alias_value":"BEHUMX77","created_at":"2026-05-18T12:29:14.074870+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/BEHUMX77MLSY5KE7G35KDL4SCD","json":"https://pith.science/pith/BEHUMX77MLSY5KE7G35KDL4SCD.json","graph_json":"https://pith.science/api/pith-number/BEHUMX77MLSY5KE7G35KDL4SCD/graph.json","events_json":"https://pith.science/api/pith-number/BEHUMX77MLSY5KE7G35KDL4SCD/events.json","paper":"https://pith.science/paper/BEHUMX77"},"agent_actions":{"view_html":"https://pith.science/pith/BEHUMX77MLSY5KE7G35KDL4SCD","download_json":"https://pith.science/pith/BEHUMX77MLSY5KE7G35KDL4SCD.json","view_paper":"https://pith.science/paper/BEHUMX77","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1501.05580&json=true","fetch_graph":"https://pith.science/api/pith-number/BEHUMX77MLSY5KE7G35KDL4SCD/graph.json","fetch_events":"https://pith.science/api/pith-number/BEHUMX77MLSY5KE7G35KDL4SCD/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/BEHUMX77MLSY5KE7G35KDL4SCD/action/timestamp_anchor","attest_storage":"https://pith.science/pith/BEHUMX77MLSY5KE7G35KDL4SCD/action/storage_attestation","attest_author":"https://pith.science/pith/BEHUMX77MLSY5KE7G35KDL4SCD/action/author_attestation","sign_citation":"https://pith.science/pith/BEHUMX77MLSY5KE7G35KDL4SCD/action/citation_signature","submit_replication":"https://pith.science/pith/BEHUMX77MLSY5KE7G35KDL4SCD/action/replication_record"}},"created_at":"2026-05-18T02:28:54.430053+00:00","updated_at":"2026-05-18T02:28:54.430053+00:00"}