{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2017:JXCHGDIIOHR25NU5K2CBIROQ55","short_pith_number":"pith:JXCHGDII","schema_version":"1.0","canonical_sha256":"4dc4730d0871e3aeb69d56841445d0ef42afc303586a9a50044ac3ea46c25759","source":{"kind":"arxiv","id":"1710.09572","version":1},"attestation_state":"computed","paper":{"title":"A Refined Analysis of the Gap between Expected Rate for Partial CSIT and the Massive MIMO Rate Limit","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"eess.SP","authors_text":"Dirk Slock, Kalyana Gopala","submitted_at":"2017-10-26T07:53:50Z","abstract_excerpt":"Optimal BeamFormers (BFs) that maximize the Weighted Sum Rate (WSR) for a Multiple-Input Multiple-Output (MIMO) interference broadcast channel (IBC) remains an important research area. Under practical scenarios, the problem is compounded by the fact that only partial channel state information at the transmitter (CSIT) is available. Hence, a typical choice of the optimization metric is the Expected Weighted Sum Rate (EWSR). However, the presence of the expectation operator makes the optimization a daunting task. On the other hand, for the particular, but significant, special case of massive MIM"},"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":"1710.09572","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.SP","submitted_at":"2017-10-26T07:53:50Z","cross_cats_sorted":[],"title_canon_sha256":"b67ab01b9a31a48c9a051987f649709f534347e73733114f93685504eb97be64","abstract_canon_sha256":"1c0d9be18ed910104f25d90e81d84e0c21d88ac2319b9514f7b3883b275b9020"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:31:56.875748Z","signature_b64":"CaU5ibnhcMYkELBrhM1mE2lANP6Md5ceg54Rd/TYV8cxduxC56ECY3yzTv54tji38F+vXxITjreuirzWciU7BQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"4dc4730d0871e3aeb69d56841445d0ef42afc303586a9a50044ac3ea46c25759","last_reissued_at":"2026-05-18T00:31:56.875353Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:31:56.875353Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"A Refined Analysis of the Gap between Expected Rate for Partial CSIT and the Massive MIMO Rate Limit","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"eess.SP","authors_text":"Dirk Slock, Kalyana Gopala","submitted_at":"2017-10-26T07:53:50Z","abstract_excerpt":"Optimal BeamFormers (BFs) that maximize the Weighted Sum Rate (WSR) for a Multiple-Input Multiple-Output (MIMO) interference broadcast channel (IBC) remains an important research area. Under practical scenarios, the problem is compounded by the fact that only partial channel state information at the transmitter (CSIT) is available. Hence, a typical choice of the optimization metric is the Expected Weighted Sum Rate (EWSR). However, the presence of the expectation operator makes the optimization a daunting task. On the other hand, for the particular, but significant, special case of massive MIM"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1710.09572","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":"1710.09572","created_at":"2026-05-18T00:31:56.875418+00:00"},{"alias_kind":"arxiv_version","alias_value":"1710.09572v1","created_at":"2026-05-18T00:31:56.875418+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1710.09572","created_at":"2026-05-18T00:31:56.875418+00:00"},{"alias_kind":"pith_short_12","alias_value":"JXCHGDIIOHR2","created_at":"2026-05-18T12:31:24.725408+00:00"},{"alias_kind":"pith_short_16","alias_value":"JXCHGDIIOHR25NU5","created_at":"2026-05-18T12:31:24.725408+00:00"},{"alias_kind":"pith_short_8","alias_value":"JXCHGDII","created_at":"2026-05-18T12:31:24.725408+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/JXCHGDIIOHR25NU5K2CBIROQ55","json":"https://pith.science/pith/JXCHGDIIOHR25NU5K2CBIROQ55.json","graph_json":"https://pith.science/api/pith-number/JXCHGDIIOHR25NU5K2CBIROQ55/graph.json","events_json":"https://pith.science/api/pith-number/JXCHGDIIOHR25NU5K2CBIROQ55/events.json","paper":"https://pith.science/paper/JXCHGDII"},"agent_actions":{"view_html":"https://pith.science/pith/JXCHGDIIOHR25NU5K2CBIROQ55","download_json":"https://pith.science/pith/JXCHGDIIOHR25NU5K2CBIROQ55.json","view_paper":"https://pith.science/paper/JXCHGDII","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1710.09572&json=true","fetch_graph":"https://pith.science/api/pith-number/JXCHGDIIOHR25NU5K2CBIROQ55/graph.json","fetch_events":"https://pith.science/api/pith-number/JXCHGDIIOHR25NU5K2CBIROQ55/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/JXCHGDIIOHR25NU5K2CBIROQ55/action/timestamp_anchor","attest_storage":"https://pith.science/pith/JXCHGDIIOHR25NU5K2CBIROQ55/action/storage_attestation","attest_author":"https://pith.science/pith/JXCHGDIIOHR25NU5K2CBIROQ55/action/author_attestation","sign_citation":"https://pith.science/pith/JXCHGDIIOHR25NU5K2CBIROQ55/action/citation_signature","submit_replication":"https://pith.science/pith/JXCHGDIIOHR25NU5K2CBIROQ55/action/replication_record"}},"created_at":"2026-05-18T00:31:56.875418+00:00","updated_at":"2026-05-18T00:31:56.875418+00:00"}