{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:T24EXDB356HK7ZBNPQU2XJA3ZC","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":"f85232c344e5f8484e8b6d86deff11c74e7f2d5268007dfc51dd4a32dc239d3c","cross_cats_sorted":["math.IT"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2017-06-27T08:25:36Z","title_canon_sha256":"caa72707cd02e1c1640a469540780ae3b72275195499b70d2b039c60313201da"},"schema_version":"1.0","source":{"id":"1706.08717","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1706.08717","created_at":"2026-05-18T00:41:31Z"},{"alias_kind":"arxiv_version","alias_value":"1706.08717v1","created_at":"2026-05-18T00:41:31Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1706.08717","created_at":"2026-05-18T00:41:31Z"},{"alias_kind":"pith_short_12","alias_value":"T24EXDB356HK","created_at":"2026-05-18T12:31:43Z"},{"alias_kind":"pith_short_16","alias_value":"T24EXDB356HK7ZBN","created_at":"2026-05-18T12:31:43Z"},{"alias_kind":"pith_short_8","alias_value":"T24EXDB3","created_at":"2026-05-18T12:31:43Z"}],"graph_snapshots":[{"event_id":"sha256:4331d35a52369bc7ed75f566543b5ea52bda0ea9cf616090c983616e9056f5a2","target":"graph","created_at":"2026-05-18T00:41:31Z","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":"We propose a novel linear minimum-mean-squared-error (MMSE) precoder design for a downlink (DL) massive multiple-input-multiple-output (MIMO) scenario. For economical and computational efficiency reasons low resolution 1-bit digital-to-analog (DAC) and analog-to-digital (ADC) converters are used. This comes at the cost of performance gain that can be recovered by the large number of antennas deployed at the base station (BS) and an appropiate precoder design to mitigate the distortions due to the coarse quantization. The proposed precoder takes the quantization non-linearities into account and","authors_text":"Amine Mezghani, Hela Jedda, Josef A. Nossek, Ovais Bin Usman","cross_cats":["math.IT"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2017-06-27T08:25:36Z","title":"MMSE precoder for massive MIMO using 1-bit quantization"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1706.08717","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:e1b1ff456032588127ebae606bb7dbbcfd107408ae18a89b32df5d5196c44926","target":"record","created_at":"2026-05-18T00:41:31Z","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":"f85232c344e5f8484e8b6d86deff11c74e7f2d5268007dfc51dd4a32dc239d3c","cross_cats_sorted":["math.IT"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2017-06-27T08:25:36Z","title_canon_sha256":"caa72707cd02e1c1640a469540780ae3b72275195499b70d2b039c60313201da"},"schema_version":"1.0","source":{"id":"1706.08717","kind":"arxiv","version":1}},"canonical_sha256":"9eb84b8c3bef8eafe42d7c29aba41bc8857c4f76159a5db39edd4bacd7abaacc","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"9eb84b8c3bef8eafe42d7c29aba41bc8857c4f76159a5db39edd4bacd7abaacc","first_computed_at":"2026-05-18T00:41:31.233336Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:41:31.233336Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"1csOLPpPSJKcjxZGwU4xGBrEBfklNaE41Jg95x6G7BVSnfkPgKP33nyRDNgjlfntDzpBAQ6Gvjf+pWzsMuvJDQ==","signature_status":"signed_v1","signed_at":"2026-05-18T00:41:31.233927Z","signed_message":"canonical_sha256_bytes"},"source_id":"1706.08717","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:e1b1ff456032588127ebae606bb7dbbcfd107408ae18a89b32df5d5196c44926","sha256:4331d35a52369bc7ed75f566543b5ea52bda0ea9cf616090c983616e9056f5a2"],"state_sha256":"fea2643c7eecec4636ba8953103c6f03957db627bec2212bde003094532f1f7a"}