{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2017:NPUDMBF22M4KNUNX2HYPNNJMIK","short_pith_number":"pith:NPUDMBF2","schema_version":"1.0","canonical_sha256":"6be83604bad338a6d1b7d1f0f6b52c42af1f5524100f4989c72dcb291abb8cf6","source":{"kind":"arxiv","id":"1712.05819","version":1},"attestation_state":"computed","paper":{"title":"mmWave Massive MIMO with Simple RF and Appropriate DSP","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["math.IT"],"primary_cat":"cs.IT","authors_text":"A. Lee Swindlehurst, Amine Mezghani","submitted_at":"2017-12-15T19:33:09Z","abstract_excerpt":"There is considerable interest in the combined use of millimeter-wave (mmwave) frequencies and arrays of massive numbers of antennas (massive MIMO) for next-generation wireless communications systems. A symbiotic relationship exists between these two factors: mmwave frequencies allow for densely packed antenna arrays, and hence massive MIMO can be achieved with a small form factor; low per-antenna SNR and shadowing can be overcome with a large array gain; steering narrow beams or nulls with a large array is a good match for the line-of-sight (LOS) or near-LOS mmwave propagation environments, e"},"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":"1712.05819","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2017-12-15T19:33:09Z","cross_cats_sorted":["math.IT"],"title_canon_sha256":"7501905382864e97a923cc81a8a235a60da9fd12ebb44b9e97b5f82c36ac02dd","abstract_canon_sha256":"48a15b8f099587adc0580b11e1544047a96dc727a93c76027b819c9519a5e3ec"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:27:51.814142Z","signature_b64":"I4qpadKi3tV3s9+EPUZpMZ29/d1W3klByqpxPEpqdEylsfS+A0xI+TzRkLgzsCqqE2AeD8mV/f+AwvkrlH/6Aw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"6be83604bad338a6d1b7d1f0f6b52c42af1f5524100f4989c72dcb291abb8cf6","last_reissued_at":"2026-05-18T00:27:51.813603Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:27:51.813603Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"mmWave Massive MIMO with Simple RF and Appropriate DSP","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["math.IT"],"primary_cat":"cs.IT","authors_text":"A. Lee Swindlehurst, Amine Mezghani","submitted_at":"2017-12-15T19:33:09Z","abstract_excerpt":"There is considerable interest in the combined use of millimeter-wave (mmwave) frequencies and arrays of massive numbers of antennas (massive MIMO) for next-generation wireless communications systems. A symbiotic relationship exists between these two factors: mmwave frequencies allow for densely packed antenna arrays, and hence massive MIMO can be achieved with a small form factor; low per-antenna SNR and shadowing can be overcome with a large array gain; steering narrow beams or nulls with a large array is a good match for the line-of-sight (LOS) or near-LOS mmwave propagation environments, e"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1712.05819","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":"1712.05819","created_at":"2026-05-18T00:27:51.813671+00:00"},{"alias_kind":"arxiv_version","alias_value":"1712.05819v1","created_at":"2026-05-18T00:27:51.813671+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1712.05819","created_at":"2026-05-18T00:27:51.813671+00:00"},{"alias_kind":"pith_short_12","alias_value":"NPUDMBF22M4K","created_at":"2026-05-18T12:31:34.259226+00:00"},{"alias_kind":"pith_short_16","alias_value":"NPUDMBF22M4KNUNX","created_at":"2026-05-18T12:31:34.259226+00:00"},{"alias_kind":"pith_short_8","alias_value":"NPUDMBF2","created_at":"2026-05-18T12:31:34.259226+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/NPUDMBF22M4KNUNX2HYPNNJMIK","json":"https://pith.science/pith/NPUDMBF22M4KNUNX2HYPNNJMIK.json","graph_json":"https://pith.science/api/pith-number/NPUDMBF22M4KNUNX2HYPNNJMIK/graph.json","events_json":"https://pith.science/api/pith-number/NPUDMBF22M4KNUNX2HYPNNJMIK/events.json","paper":"https://pith.science/paper/NPUDMBF2"},"agent_actions":{"view_html":"https://pith.science/pith/NPUDMBF22M4KNUNX2HYPNNJMIK","download_json":"https://pith.science/pith/NPUDMBF22M4KNUNX2HYPNNJMIK.json","view_paper":"https://pith.science/paper/NPUDMBF2","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1712.05819&json=true","fetch_graph":"https://pith.science/api/pith-number/NPUDMBF22M4KNUNX2HYPNNJMIK/graph.json","fetch_events":"https://pith.science/api/pith-number/NPUDMBF22M4KNUNX2HYPNNJMIK/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/NPUDMBF22M4KNUNX2HYPNNJMIK/action/timestamp_anchor","attest_storage":"https://pith.science/pith/NPUDMBF22M4KNUNX2HYPNNJMIK/action/storage_attestation","attest_author":"https://pith.science/pith/NPUDMBF22M4KNUNX2HYPNNJMIK/action/author_attestation","sign_citation":"https://pith.science/pith/NPUDMBF22M4KNUNX2HYPNNJMIK/action/citation_signature","submit_replication":"https://pith.science/pith/NPUDMBF22M4KNUNX2HYPNNJMIK/action/replication_record"}},"created_at":"2026-05-18T00:27:51.813671+00:00","updated_at":"2026-05-18T00:27:51.813671+00:00"}