{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2018:7K3ODCH6XNIPDGPJHDZFW3QCEW","short_pith_number":"pith:7K3ODCH6","schema_version":"1.0","canonical_sha256":"fab6e188febb50f199e938f25b6e0225a59a18c084c028046806e5a017330f74","source":{"kind":"arxiv","id":"1812.06683","version":1},"attestation_state":"computed","paper":{"title":"Line-of-Sight and Pilot Contamination Effects on Correlated Multi-cell Massive MIMO Systems","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["math.IT"],"primary_cat":"cs.IT","authors_text":"Abla Kammoun, Ikram Boukhedimi, Mohamed-Slim Alouini","submitted_at":"2018-12-17T10:34:00Z","abstract_excerpt":"This work considers the uplink (UL) of a multi-cell massive MIMO system with $L$ cells, having each $K$ mono-antenna users communicating with an $N-$antennas base station (BS). The channel model involves Rician fading with distinct per-user Rician factors and channel correlation matrices and takes into account pilot contamination and imperfect CSI. The objective is to evaluate the performances of such systems with different single-cell and multi-cell detection methods. In the former, we investigate MRC and single-cell MMSE (S-MMSE); as to the latter, we are interested in multi-cell MMSE (M-MMS"},"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":"1812.06683","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2018-12-17T10:34:00Z","cross_cats_sorted":["math.IT"],"title_canon_sha256":"ca57b29501e0e4d8b3298b4688021f2a15b726d98c94e3bcf1cc65b82f9188d8","abstract_canon_sha256":"18f1a29ae8993b68a460572c7c92b686937fedfbe92512952299ff0ffd8426c6"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:58:09.582717Z","signature_b64":"p6mqFTfg3HhInYWWIPxiGY59+4+qrFkLXAA9rKNV/FxgDvlknQHvBkHmIcW5/lMGCmQ5Ur5JaTkO4uQ9481CDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"fab6e188febb50f199e938f25b6e0225a59a18c084c028046806e5a017330f74","last_reissued_at":"2026-05-17T23:58:09.582040Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:58:09.582040Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Line-of-Sight and Pilot Contamination Effects on Correlated Multi-cell Massive MIMO Systems","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["math.IT"],"primary_cat":"cs.IT","authors_text":"Abla Kammoun, Ikram Boukhedimi, Mohamed-Slim Alouini","submitted_at":"2018-12-17T10:34:00Z","abstract_excerpt":"This work considers the uplink (UL) of a multi-cell massive MIMO system with $L$ cells, having each $K$ mono-antenna users communicating with an $N-$antennas base station (BS). The channel model involves Rician fading with distinct per-user Rician factors and channel correlation matrices and takes into account pilot contamination and imperfect CSI. The objective is to evaluate the performances of such systems with different single-cell and multi-cell detection methods. In the former, we investigate MRC and single-cell MMSE (S-MMSE); as to the latter, we are interested in multi-cell MMSE (M-MMS"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1812.06683","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":"1812.06683","created_at":"2026-05-17T23:58:09.582153+00:00"},{"alias_kind":"arxiv_version","alias_value":"1812.06683v1","created_at":"2026-05-17T23:58:09.582153+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1812.06683","created_at":"2026-05-17T23:58:09.582153+00:00"},{"alias_kind":"pith_short_12","alias_value":"7K3ODCH6XNIP","created_at":"2026-05-18T12:32:11.075285+00:00"},{"alias_kind":"pith_short_16","alias_value":"7K3ODCH6XNIPDGPJ","created_at":"2026-05-18T12:32:11.075285+00:00"},{"alias_kind":"pith_short_8","alias_value":"7K3ODCH6","created_at":"2026-05-18T12:32:11.075285+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/7K3ODCH6XNIPDGPJHDZFW3QCEW","json":"https://pith.science/pith/7K3ODCH6XNIPDGPJHDZFW3QCEW.json","graph_json":"https://pith.science/api/pith-number/7K3ODCH6XNIPDGPJHDZFW3QCEW/graph.json","events_json":"https://pith.science/api/pith-number/7K3ODCH6XNIPDGPJHDZFW3QCEW/events.json","paper":"https://pith.science/paper/7K3ODCH6"},"agent_actions":{"view_html":"https://pith.science/pith/7K3ODCH6XNIPDGPJHDZFW3QCEW","download_json":"https://pith.science/pith/7K3ODCH6XNIPDGPJHDZFW3QCEW.json","view_paper":"https://pith.science/paper/7K3ODCH6","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1812.06683&json=true","fetch_graph":"https://pith.science/api/pith-number/7K3ODCH6XNIPDGPJHDZFW3QCEW/graph.json","fetch_events":"https://pith.science/api/pith-number/7K3ODCH6XNIPDGPJHDZFW3QCEW/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/7K3ODCH6XNIPDGPJHDZFW3QCEW/action/timestamp_anchor","attest_storage":"https://pith.science/pith/7K3ODCH6XNIPDGPJHDZFW3QCEW/action/storage_attestation","attest_author":"https://pith.science/pith/7K3ODCH6XNIPDGPJHDZFW3QCEW/action/author_attestation","sign_citation":"https://pith.science/pith/7K3ODCH6XNIPDGPJHDZFW3QCEW/action/citation_signature","submit_replication":"https://pith.science/pith/7K3ODCH6XNIPDGPJHDZFW3QCEW/action/replication_record"}},"created_at":"2026-05-17T23:58:09.582153+00:00","updated_at":"2026-05-17T23:58:09.582153+00:00"}