{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2011:5U3RE6QDZZR5V47Q4TXHX6AZZG","short_pith_number":"pith:5U3RE6QD","schema_version":"1.0","canonical_sha256":"ed37127a03ce63daf3f0e4ee7bf819c9b5036ffcd845d09bee69c6fb39ceafb0","source":{"kind":"arxiv","id":"1101.1350","version":3},"attestation_state":"computed","paper":{"title":"Time-Out Lattice Sequential Decoding for the MIMO ARQ Channel","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["math.IT"],"primary_cat":"cs.IT","authors_text":"Mohamed Oussama Damen, Walid Abediseid","submitted_at":"2011-01-07T04:16:53Z","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"},"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":"1101.1350","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2011-01-07T04:16:53Z","cross_cats_sorted":["math.IT"],"title_canon_sha256":"164c2dc73f05a8bbe3744b32c28ccd3c49d4aa09fc910128a20376de98cd7b42","abstract_canon_sha256":"f3ce70bdfb439f39826b6c0c7bc96b1a1d1062eac3e4139d99d2476e91d44fed"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:58:19.177066Z","signature_b64":"VhYA+w5EbyfV7F7PjAekY5QFBpitHLmbn2soayjlg+0KnSxuGOre7R5as/jde5QKadYB1P1KTEIr/1M8utLOCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ed37127a03ce63daf3f0e4ee7bf819c9b5036ffcd845d09bee69c6fb39ceafb0","last_reissued_at":"2026-05-18T00:58:19.176299Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:58:19.176299Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Time-Out Lattice Sequential Decoding for the MIMO ARQ Channel","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["math.IT"],"primary_cat":"cs.IT","authors_text":"Mohamed Oussama Damen, Walid Abediseid","submitted_at":"2011-01-07T04:16:53Z","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"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1101.1350","kind":"arxiv","version":3},"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":"1101.1350","created_at":"2026-05-18T00:58:19.176447+00:00"},{"alias_kind":"arxiv_version","alias_value":"1101.1350v3","created_at":"2026-05-18T00:58:19.176447+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1101.1350","created_at":"2026-05-18T00:58:19.176447+00:00"},{"alias_kind":"pith_short_12","alias_value":"5U3RE6QDZZR5","created_at":"2026-05-18T12:26:20.644004+00:00"},{"alias_kind":"pith_short_16","alias_value":"5U3RE6QDZZR5V47Q","created_at":"2026-05-18T12:26:20.644004+00:00"},{"alias_kind":"pith_short_8","alias_value":"5U3RE6QD","created_at":"2026-05-18T12:26:20.644004+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/5U3RE6QDZZR5V47Q4TXHX6AZZG","json":"https://pith.science/pith/5U3RE6QDZZR5V47Q4TXHX6AZZG.json","graph_json":"https://pith.science/api/pith-number/5U3RE6QDZZR5V47Q4TXHX6AZZG/graph.json","events_json":"https://pith.science/api/pith-number/5U3RE6QDZZR5V47Q4TXHX6AZZG/events.json","paper":"https://pith.science/paper/5U3RE6QD"},"agent_actions":{"view_html":"https://pith.science/pith/5U3RE6QDZZR5V47Q4TXHX6AZZG","download_json":"https://pith.science/pith/5U3RE6QDZZR5V47Q4TXHX6AZZG.json","view_paper":"https://pith.science/paper/5U3RE6QD","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1101.1350&json=true","fetch_graph":"https://pith.science/api/pith-number/5U3RE6QDZZR5V47Q4TXHX6AZZG/graph.json","fetch_events":"https://pith.science/api/pith-number/5U3RE6QDZZR5V47Q4TXHX6AZZG/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/5U3RE6QDZZR5V47Q4TXHX6AZZG/action/timestamp_anchor","attest_storage":"https://pith.science/pith/5U3RE6QDZZR5V47Q4TXHX6AZZG/action/storage_attestation","attest_author":"https://pith.science/pith/5U3RE6QDZZR5V47Q4TXHX6AZZG/action/author_attestation","sign_citation":"https://pith.science/pith/5U3RE6QDZZR5V47Q4TXHX6AZZG/action/citation_signature","submit_replication":"https://pith.science/pith/5U3RE6QDZZR5V47Q4TXHX6AZZG/action/replication_record"}},"created_at":"2026-05-18T00:58:19.176447+00:00","updated_at":"2026-05-18T00:58:19.176447+00:00"}