{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2013:DX6N2MWZEYXZ4UECLINWYFV3VK","short_pith_number":"pith:DX6N2MWZ","schema_version":"1.0","canonical_sha256":"1dfcdd32d9262f9e50825a1b6c16bbaaa4898da0c1f54f7c356891f18d0dcdb6","source":{"kind":"arxiv","id":"1312.4692","version":1},"attestation_state":"computed","paper":{"title":"An error event sensitive trade-off between rate and coding gain in MIMO MAC","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["math.IT"],"primary_cat":"cs.IT","authors_text":"Hsiao-feng (Francis) Lu, Jyrki Lahtonen, Roope Vehkalahti, Toni Ernvall","submitted_at":"2013-12-17T09:04:20Z","abstract_excerpt":"This work considers space-time block coding for the Rayleigh fading multiple-input multiple-output (MIMO) multiple access channel (MAC). If we suppose that the receiver is performing joint maximum-likelihood (ML) decoding, optimizing a MIMO MAC code against a fixed error event leads to a situation where the joint codewords of the users in error can be seen as a single user MIMO code. In such a case pair-wise error probability (PEP) based determinant criterion of Tarokh et al. can be used to upper bound the error probability.\n  It was already proven by Lahtonen et al. that irrespective of the u"},"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":"1312.4692","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2013-12-17T09:04:20Z","cross_cats_sorted":["math.IT"],"title_canon_sha256":"2d501a08265f5e12a55ecc9dd354ece0ed9e56bc82efcee0d19bdfa37f3365b5","abstract_canon_sha256":"b003ba579868fd02d138c32bcca3a3760c79b22a6b97c37a649f2c04100e56bb"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:27:05.800079Z","signature_b64":"lDBgnhKkuBE1bXO+08ygwL4GHeNn+jnGDWRVfIlYhln+TC3z32FqgRUv5zcitcU2TPDSl4qQHB3yVkc7kyENBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"1dfcdd32d9262f9e50825a1b6c16bbaaa4898da0c1f54f7c356891f18d0dcdb6","last_reissued_at":"2026-05-18T01:27:05.799647Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:27:05.799647Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"An error event sensitive trade-off between rate and coding gain in MIMO MAC","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["math.IT"],"primary_cat":"cs.IT","authors_text":"Hsiao-feng (Francis) Lu, Jyrki Lahtonen, Roope Vehkalahti, Toni Ernvall","submitted_at":"2013-12-17T09:04:20Z","abstract_excerpt":"This work considers space-time block coding for the Rayleigh fading multiple-input multiple-output (MIMO) multiple access channel (MAC). If we suppose that the receiver is performing joint maximum-likelihood (ML) decoding, optimizing a MIMO MAC code against a fixed error event leads to a situation where the joint codewords of the users in error can be seen as a single user MIMO code. In such a case pair-wise error probability (PEP) based determinant criterion of Tarokh et al. can be used to upper bound the error probability.\n  It was already proven by Lahtonen et al. that irrespective of the u"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1312.4692","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":"1312.4692","created_at":"2026-05-18T01:27:05.799708+00:00"},{"alias_kind":"arxiv_version","alias_value":"1312.4692v1","created_at":"2026-05-18T01:27:05.799708+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1312.4692","created_at":"2026-05-18T01:27:05.799708+00:00"},{"alias_kind":"pith_short_12","alias_value":"DX6N2MWZEYXZ","created_at":"2026-05-18T12:27:43.054852+00:00"},{"alias_kind":"pith_short_16","alias_value":"DX6N2MWZEYXZ4UEC","created_at":"2026-05-18T12:27:43.054852+00:00"},{"alias_kind":"pith_short_8","alias_value":"DX6N2MWZ","created_at":"2026-05-18T12:27:43.054852+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/DX6N2MWZEYXZ4UECLINWYFV3VK","json":"https://pith.science/pith/DX6N2MWZEYXZ4UECLINWYFV3VK.json","graph_json":"https://pith.science/api/pith-number/DX6N2MWZEYXZ4UECLINWYFV3VK/graph.json","events_json":"https://pith.science/api/pith-number/DX6N2MWZEYXZ4UECLINWYFV3VK/events.json","paper":"https://pith.science/paper/DX6N2MWZ"},"agent_actions":{"view_html":"https://pith.science/pith/DX6N2MWZEYXZ4UECLINWYFV3VK","download_json":"https://pith.science/pith/DX6N2MWZEYXZ4UECLINWYFV3VK.json","view_paper":"https://pith.science/paper/DX6N2MWZ","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1312.4692&json=true","fetch_graph":"https://pith.science/api/pith-number/DX6N2MWZEYXZ4UECLINWYFV3VK/graph.json","fetch_events":"https://pith.science/api/pith-number/DX6N2MWZEYXZ4UECLINWYFV3VK/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/DX6N2MWZEYXZ4UECLINWYFV3VK/action/timestamp_anchor","attest_storage":"https://pith.science/pith/DX6N2MWZEYXZ4UECLINWYFV3VK/action/storage_attestation","attest_author":"https://pith.science/pith/DX6N2MWZEYXZ4UECLINWYFV3VK/action/author_attestation","sign_citation":"https://pith.science/pith/DX6N2MWZEYXZ4UECLINWYFV3VK/action/citation_signature","submit_replication":"https://pith.science/pith/DX6N2MWZEYXZ4UECLINWYFV3VK/action/replication_record"}},"created_at":"2026-05-18T01:27:05.799708+00:00","updated_at":"2026-05-18T01:27:05.799708+00:00"}