{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:BJCKOR2HXTQPCZGY7AKWSGNQFK","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":"69062d22e5ca34c2d1950195d1adeca7a2c5d4b9964a9c5f053add8a87e37e43","cross_cats_sorted":["math.IT"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2013-03-15T11:13:29Z","title_canon_sha256":"9fcb9d923d79b0f82fd4e67c361a1c04f3d522c8313bb2fee497173e39517e19"},"schema_version":"1.0","source":{"id":"1303.3733","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1303.3733","created_at":"2026-05-18T03:30:52Z"},{"alias_kind":"arxiv_version","alias_value":"1303.3733v1","created_at":"2026-05-18T03:30:52Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1303.3733","created_at":"2026-05-18T03:30:52Z"},{"alias_kind":"pith_short_12","alias_value":"BJCKOR2HXTQP","created_at":"2026-05-18T12:27:38Z"},{"alias_kind":"pith_short_16","alias_value":"BJCKOR2HXTQPCZGY","created_at":"2026-05-18T12:27:38Z"},{"alias_kind":"pith_short_8","alias_value":"BJCKOR2H","created_at":"2026-05-18T12:27:38Z"}],"graph_snapshots":[{"event_id":"sha256:2998d9162e169efee7ca86f5a84910bdefe871db466e63fb30017910f778f2aa","target":"graph","created_at":"2026-05-18T03:30:52Z","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":"In this work, we propose a novel adaptive reduced-rank strategy based on joint interpolation, decimation and filtering (JIDF) for large multiuser multiple-input multiple-output (MIMO) systems. In this scheme, a reduced-rank framework is proposed for linear receive processing and multiuser interference suppression according to the minimization of the bit error rate (BER) cost function. We present a structure with multiple processing branches that performs dimensionality reduction, where each branch contains a group of jointly optimized interpolation and decimation units, followed by a linear re","authors_text":"R. C. de Lamare, Y. Cai","cross_cats":["math.IT"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2013-03-15T11:13:29Z","title":"Adaptive Reduced-Rank MBER Linear Receive Processing for Large Multiuser MIMO Systems"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1303.3733","kind":"arxiv","version":1},"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":"sha256:7fae45c104271631115f116eba45c97bd2eb0d65b7787314ab91e521ad08f96e","target":"record","created_at":"2026-05-18T03:30:52Z","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":"69062d22e5ca34c2d1950195d1adeca7a2c5d4b9964a9c5f053add8a87e37e43","cross_cats_sorted":["math.IT"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2013-03-15T11:13:29Z","title_canon_sha256":"9fcb9d923d79b0f82fd4e67c361a1c04f3d522c8313bb2fee497173e39517e19"},"schema_version":"1.0","source":{"id":"1303.3733","kind":"arxiv","version":1}},"canonical_sha256":"0a44a74747bce0f164d8f8156919b02aa3679bd570de27ccecd120fc291be429","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"0a44a74747bce0f164d8f8156919b02aa3679bd570de27ccecd120fc291be429","first_computed_at":"2026-05-18T03:30:52.599995Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:30:52.599995Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Bvff4SMwpl473YKn+UxToPnm84qRV75k9TloU8uYnYckaLk67OMeMFgjd8kOIaiLunqnGPgUJKNK1GlNGfLCAw==","signature_status":"signed_v1","signed_at":"2026-05-18T03:30:52.600748Z","signed_message":"canonical_sha256_bytes"},"source_id":"1303.3733","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:7fae45c104271631115f116eba45c97bd2eb0d65b7787314ab91e521ad08f96e","sha256:2998d9162e169efee7ca86f5a84910bdefe871db466e63fb30017910f778f2aa"],"state_sha256":"aa5db9f54f9dbd89ba29a70711aa41a95e87bea3ebc80f2e71dafafb5f9bac16"}