{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2012:TY2BQHIA4ASFW4N5FK4APMGV6X","short_pith_number":"pith:TY2BQHIA","schema_version":"1.0","canonical_sha256":"9e34181d00e0245b71bd2ab807b0d5f5da3ed245704635ed94586f242df14a80","source":{"kind":"arxiv","id":"1202.2875","version":2},"attestation_state":"computed","paper":{"title":"Uplink Performance Analysis of Multicell MU-MIMO Systems with ZF Receivers","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["math.IT"],"primary_cat":"cs.IT","authors_text":"Erik G. Larsson, Hien Quoc Ngo, Michail Matthaiou, Trung Q. Duong","submitted_at":"2012-02-13T21:29:52Z","abstract_excerpt":"We consider the uplink of a multicell multiuser multiple-input multiple-output system where the channel experiences both small and large-scale fading. The data detection is done by using the linear zero-forcing technique, assuming the base station (BS) has perfect channel state information. We derive new, exact closed-form expressions for the uplink rate, symbol error rate, and outage probability per user, as well as a lower bound on the achievable rate. This bound is very tight and becomes exact in the large-number-of-antennas limit. We further study the asymptotic system performance in the r"},"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":"1202.2875","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2012-02-13T21:29:52Z","cross_cats_sorted":["math.IT"],"title_canon_sha256":"5aa9900c5edce7e6a1ce9192cbbbc459dbc56622efb2ea0c2da3b1ebe1d60ee9","abstract_canon_sha256":"7d300a02c69e55790a90256c1dee86f4e8f410a83296d019fcbd6b596d5a8e2f"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:52:14.770841Z","signature_b64":"ilHCrfeWz4cK++ZLz/0TK6vFYyaxfmb9VEL3f+g/3XlA/mx97bU1+R9rAt9UD+lWmKq7HVujnEbWuaT92EMzBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"9e34181d00e0245b71bd2ab807b0d5f5da3ed245704635ed94586f242df14a80","last_reissued_at":"2026-05-18T03:52:14.770067Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:52:14.770067Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Uplink Performance Analysis of Multicell MU-MIMO Systems with ZF Receivers","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["math.IT"],"primary_cat":"cs.IT","authors_text":"Erik G. Larsson, Hien Quoc Ngo, Michail Matthaiou, Trung Q. Duong","submitted_at":"2012-02-13T21:29:52Z","abstract_excerpt":"We consider the uplink of a multicell multiuser multiple-input multiple-output system where the channel experiences both small and large-scale fading. The data detection is done by using the linear zero-forcing technique, assuming the base station (BS) has perfect channel state information. We derive new, exact closed-form expressions for the uplink rate, symbol error rate, and outage probability per user, as well as a lower bound on the achievable rate. This bound is very tight and becomes exact in the large-number-of-antennas limit. We further study the asymptotic system performance in the r"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1202.2875","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":"1202.2875","created_at":"2026-05-18T03:52:14.770180+00:00"},{"alias_kind":"arxiv_version","alias_value":"1202.2875v2","created_at":"2026-05-18T03:52:14.770180+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1202.2875","created_at":"2026-05-18T03:52:14.770180+00:00"},{"alias_kind":"pith_short_12","alias_value":"TY2BQHIA4ASF","created_at":"2026-05-18T12:27:23.164592+00:00"},{"alias_kind":"pith_short_16","alias_value":"TY2BQHIA4ASFW4N5","created_at":"2026-05-18T12:27:23.164592+00:00"},{"alias_kind":"pith_short_8","alias_value":"TY2BQHIA","created_at":"2026-05-18T12:27:23.164592+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/TY2BQHIA4ASFW4N5FK4APMGV6X","json":"https://pith.science/pith/TY2BQHIA4ASFW4N5FK4APMGV6X.json","graph_json":"https://pith.science/api/pith-number/TY2BQHIA4ASFW4N5FK4APMGV6X/graph.json","events_json":"https://pith.science/api/pith-number/TY2BQHIA4ASFW4N5FK4APMGV6X/events.json","paper":"https://pith.science/paper/TY2BQHIA"},"agent_actions":{"view_html":"https://pith.science/pith/TY2BQHIA4ASFW4N5FK4APMGV6X","download_json":"https://pith.science/pith/TY2BQHIA4ASFW4N5FK4APMGV6X.json","view_paper":"https://pith.science/paper/TY2BQHIA","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1202.2875&json=true","fetch_graph":"https://pith.science/api/pith-number/TY2BQHIA4ASFW4N5FK4APMGV6X/graph.json","fetch_events":"https://pith.science/api/pith-number/TY2BQHIA4ASFW4N5FK4APMGV6X/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/TY2BQHIA4ASFW4N5FK4APMGV6X/action/timestamp_anchor","attest_storage":"https://pith.science/pith/TY2BQHIA4ASFW4N5FK4APMGV6X/action/storage_attestation","attest_author":"https://pith.science/pith/TY2BQHIA4ASFW4N5FK4APMGV6X/action/author_attestation","sign_citation":"https://pith.science/pith/TY2BQHIA4ASFW4N5FK4APMGV6X/action/citation_signature","submit_replication":"https://pith.science/pith/TY2BQHIA4ASFW4N5FK4APMGV6X/action/replication_record"}},"created_at":"2026-05-18T03:52:14.770180+00:00","updated_at":"2026-05-18T03:52:14.770180+00:00"}