{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2016:LT45CDVGGVPCBBQIR5TORRNOQT","short_pith_number":"pith:LT45CDVG","schema_version":"1.0","canonical_sha256":"5cf9d10ea6355e2086088f66e8c5ae84cd83c3f919e0411a05d805fc14e80a1e","source":{"kind":"arxiv","id":"1601.02436","version":2},"attestation_state":"computed","paper":{"title":"Joint Power Allocation and User Association Optimization for Massive MIMO Systems","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["math.IT"],"primary_cat":"cs.IT","authors_text":"Emil Bj\\\"ornson, Erik G. Larsson, Trinh Van Chien","submitted_at":"2016-01-11T13:20:42Z","abstract_excerpt":"This paper investigates the joint power allocation and user association problem in multi-cell Massive MIMO (multiple-input multiple-output) downlink (DL) systems. The target is to minimize the total transmit power consumption when each user is served by an optimized subset of the base stations (BSs), using non-coherent joint transmission. We first derive a lower bound on the ergodic spectral efficiency (SE), which is applicable for any channel distribution and precoding scheme. Closed-form expressions are obtained for Rayleigh fading channels with either maximum ratio transmission (MRT) or zer"},"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":"1601.02436","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2016-01-11T13:20:42Z","cross_cats_sorted":["math.IT"],"title_canon_sha256":"059e76a8cc7707994483fe535c546d5daba3fa030204be887158cf4c0d7e3ca3","abstract_canon_sha256":"4d06ee73c489299c6fafb41d76769f9f09c08d49baf42684ca42d31ef52fdd99"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:11:25.099361Z","signature_b64":"Dc8634DANDLrXGb60QcA3uwzZMO7dpIsLZ/U0YWJ2QD3V/PtKL6ZdcJ+W9XuIO5lcnfyMxR4ZTIm0HMGtIKTDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"5cf9d10ea6355e2086088f66e8c5ae84cd83c3f919e0411a05d805fc14e80a1e","last_reissued_at":"2026-05-18T01:11:25.098820Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:11:25.098820Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Joint Power Allocation and User Association Optimization for Massive MIMO Systems","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["math.IT"],"primary_cat":"cs.IT","authors_text":"Emil Bj\\\"ornson, Erik G. Larsson, Trinh Van Chien","submitted_at":"2016-01-11T13:20:42Z","abstract_excerpt":"This paper investigates the joint power allocation and user association problem in multi-cell Massive MIMO (multiple-input multiple-output) downlink (DL) systems. The target is to minimize the total transmit power consumption when each user is served by an optimized subset of the base stations (BSs), using non-coherent joint transmission. We first derive a lower bound on the ergodic spectral efficiency (SE), which is applicable for any channel distribution and precoding scheme. Closed-form expressions are obtained for Rayleigh fading channels with either maximum ratio transmission (MRT) or zer"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1601.02436","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":"1601.02436","created_at":"2026-05-18T01:11:25.098906+00:00"},{"alias_kind":"arxiv_version","alias_value":"1601.02436v2","created_at":"2026-05-18T01:11:25.098906+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1601.02436","created_at":"2026-05-18T01:11:25.098906+00:00"},{"alias_kind":"pith_short_12","alias_value":"LT45CDVGGVPC","created_at":"2026-05-18T12:30:29.479603+00:00"},{"alias_kind":"pith_short_16","alias_value":"LT45CDVGGVPCBBQI","created_at":"2026-05-18T12:30:29.479603+00:00"},{"alias_kind":"pith_short_8","alias_value":"LT45CDVG","created_at":"2026-05-18T12:30:29.479603+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/LT45CDVGGVPCBBQIR5TORRNOQT","json":"https://pith.science/pith/LT45CDVGGVPCBBQIR5TORRNOQT.json","graph_json":"https://pith.science/api/pith-number/LT45CDVGGVPCBBQIR5TORRNOQT/graph.json","events_json":"https://pith.science/api/pith-number/LT45CDVGGVPCBBQIR5TORRNOQT/events.json","paper":"https://pith.science/paper/LT45CDVG"},"agent_actions":{"view_html":"https://pith.science/pith/LT45CDVGGVPCBBQIR5TORRNOQT","download_json":"https://pith.science/pith/LT45CDVGGVPCBBQIR5TORRNOQT.json","view_paper":"https://pith.science/paper/LT45CDVG","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1601.02436&json=true","fetch_graph":"https://pith.science/api/pith-number/LT45CDVGGVPCBBQIR5TORRNOQT/graph.json","fetch_events":"https://pith.science/api/pith-number/LT45CDVGGVPCBBQIR5TORRNOQT/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/LT45CDVGGVPCBBQIR5TORRNOQT/action/timestamp_anchor","attest_storage":"https://pith.science/pith/LT45CDVGGVPCBBQIR5TORRNOQT/action/storage_attestation","attest_author":"https://pith.science/pith/LT45CDVGGVPCBBQIR5TORRNOQT/action/author_attestation","sign_citation":"https://pith.science/pith/LT45CDVGGVPCBBQIR5TORRNOQT/action/citation_signature","submit_replication":"https://pith.science/pith/LT45CDVGGVPCBBQIR5TORRNOQT/action/replication_record"}},"created_at":"2026-05-18T01:11:25.098906+00:00","updated_at":"2026-05-18T01:11:25.098906+00:00"}