{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:5U3RE6QDZZR5V47Q4TXHX6AZZG","merge_version":"pith-open-graph-merge-v1","event_count":2,"valid_event_count":2,"invalid_event_count":0,"equivocation_count":0,"current":{"canonical_record":{"metadata":{"abstract_canon_sha256":"f3ce70bdfb439f39826b6c0c7bc96b1a1d1062eac3e4139d99d2476e91d44fed","cross_cats_sorted":["math.IT"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2011-01-07T04:16:53Z","title_canon_sha256":"164c2dc73f05a8bbe3744b32c28ccd3c49d4aa09fc910128a20376de98cd7b42"},"schema_version":"1.0","source":{"id":"1101.1350","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1101.1350","created_at":"2026-05-18T00:58:19Z"},{"alias_kind":"arxiv_version","alias_value":"1101.1350v3","created_at":"2026-05-18T00:58:19Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1101.1350","created_at":"2026-05-18T00:58:19Z"},{"alias_kind":"pith_short_12","alias_value":"5U3RE6QDZZR5","created_at":"2026-05-18T12:26:20Z"},{"alias_kind":"pith_short_16","alias_value":"5U3RE6QDZZR5V47Q","created_at":"2026-05-18T12:26:20Z"},{"alias_kind":"pith_short_8","alias_value":"5U3RE6QD","created_at":"2026-05-18T12:26:20Z"}],"graph_snapshots":[{"event_id":"sha256:e84d6ae44f7fbed510caa5f65aa547924d494fe3f694043a48a066784fa5ca7f","target":"graph","created_at":"2026-05-18T00:58:19Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"graph_snapshot":{"author_claims":{"count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","strong_count":0},"builder_version":"pith-number-builder-2026-05-17-v1","claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"paper":{"abstract_excerpt":"The optimal diversity-multiplexing-delay tradeoff for the multi-input multi-output (MIMO) automatic repeat request (ARQ) channel can be achieved using incremental redundancy lattice space-time codes coupled with a list decoder for joint error detection and correction. Such a decoder is based on the minimum mean-square error lattice decoding principle which is implemented using sphere decoding algorithms. However, sphere decoders suffer from high computational complexity for low-to-moderate signal-to-noise ratios, especially for large signal dimensions. In this paper, we would like to construct","authors_text":"Mohamed Oussama Damen, Walid Abediseid","cross_cats":["math.IT"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2011-01-07T04:16:53Z","title":"Time-Out Lattice Sequential Decoding for the MIMO ARQ Channel"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1101.1350","kind":"arxiv","version":3},"verdict":{"created_at":null,"id":null,"model_set":{},"one_line_summary":"","pipeline_version":null,"pith_extraction_headline":"","strongest_claim":"","weakest_assumption":""}},"verdict_id":null}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:ccfb42782b967264a710bdbdbd4edcb144343042c8b259439fcc99ed48489a08","target":"record","created_at":"2026-05-18T00:58:19Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"attestation_state":"computed","canonical_record":{"metadata":{"abstract_canon_sha256":"f3ce70bdfb439f39826b6c0c7bc96b1a1d1062eac3e4139d99d2476e91d44fed","cross_cats_sorted":["math.IT"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2011-01-07T04:16:53Z","title_canon_sha256":"164c2dc73f05a8bbe3744b32c28ccd3c49d4aa09fc910128a20376de98cd7b42"},"schema_version":"1.0","source":{"id":"1101.1350","kind":"arxiv","version":3}},"canonical_sha256":"ed37127a03ce63daf3f0e4ee7bf819c9b5036ffcd845d09bee69c6fb39ceafb0","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"ed37127a03ce63daf3f0e4ee7bf819c9b5036ffcd845d09bee69c6fb39ceafb0","first_computed_at":"2026-05-18T00:58:19.176299Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:58:19.176299Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"VhYA+w5EbyfV7F7PjAekY5QFBpitHLmbn2soayjlg+0KnSxuGOre7R5as/jde5QKadYB1P1KTEIr/1M8utLOCg==","signature_status":"signed_v1","signed_at":"2026-05-18T00:58:19.177066Z","signed_message":"canonical_sha256_bytes"},"source_id":"1101.1350","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:ccfb42782b967264a710bdbdbd4edcb144343042c8b259439fcc99ed48489a08","sha256:e84d6ae44f7fbed510caa5f65aa547924d494fe3f694043a48a066784fa5ca7f"],"state_sha256":"23c3da36d089c4a97d2486efe63dd330dba06f4bab93939423d9cfd197689cd0"}