{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2018:NM4XO3ZIGDBUIOEXWVDVXUZG6S","short_pith_number":"pith:NM4XO3ZI","schema_version":"1.0","canonical_sha256":"6b39776f2830c3443897b5475bd326f4b1e469d09a9a87e06da1acffdf54ed3b","source":{"kind":"arxiv","id":"1802.10320","version":1},"attestation_state":"computed","paper":{"title":"A Hardware-Efficient Analog Network Structure for Hybrid Precoding in Millimeter Wave Systems","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["math.IT"],"primary_cat":"cs.IT","authors_text":"Jun Zhang, Khaled B. Letaief, Xianghao Yu","submitted_at":"2018-02-28T09:24:08Z","abstract_excerpt":"Hybrid precoding has been recently proposed as a cost-effective transceiver solution for millimeter wave (mm-wave) systems. While the number of radio frequency (RF) chains has been effectively reduced in existing works, a large number of high-precision phase shifters are still needed. Practical phase shifters are with coarsely quantized phases, and their number should be reduced to a minimum due to cost and power consideration. In this paper, we propose a novel hardware-efficient implementation for hybrid precoding, called the fixed phase shifter (FPS) implementation. It only requires a small "},"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":"1802.10320","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2018-02-28T09:24:08Z","cross_cats_sorted":["math.IT"],"title_canon_sha256":"7e0c9c4b17836d71c2400bf24eb0b7ff4ef92952831b960cf6a41e492daaa563","abstract_canon_sha256":"cd79669c192d9e98e1b2687860bb5ccf456ff982b75abad0a58edc0957c57e0c"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:11:37.830241Z","signature_b64":"ibrrw+v4MQuCUBKVzitFlEV5ojwyWld7H3+TwI/vKdH8nqxhpTHN9pLvCjfUkRyZpWzHkBBqyMozH92Tj8pRDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"6b39776f2830c3443897b5475bd326f4b1e469d09a9a87e06da1acffdf54ed3b","last_reissued_at":"2026-05-18T00:11:37.829537Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:11:37.829537Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"A Hardware-Efficient Analog Network Structure for Hybrid Precoding in Millimeter Wave Systems","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["math.IT"],"primary_cat":"cs.IT","authors_text":"Jun Zhang, Khaled B. Letaief, Xianghao Yu","submitted_at":"2018-02-28T09:24:08Z","abstract_excerpt":"Hybrid precoding has been recently proposed as a cost-effective transceiver solution for millimeter wave (mm-wave) systems. While the number of radio frequency (RF) chains has been effectively reduced in existing works, a large number of high-precision phase shifters are still needed. Practical phase shifters are with coarsely quantized phases, and their number should be reduced to a minimum due to cost and power consideration. In this paper, we propose a novel hardware-efficient implementation for hybrid precoding, called the fixed phase shifter (FPS) implementation. It only requires a small "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1802.10320","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":"1802.10320","created_at":"2026-05-18T00:11:37.829643+00:00"},{"alias_kind":"arxiv_version","alias_value":"1802.10320v1","created_at":"2026-05-18T00:11:37.829643+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1802.10320","created_at":"2026-05-18T00:11:37.829643+00:00"},{"alias_kind":"pith_short_12","alias_value":"NM4XO3ZIGDBU","created_at":"2026-05-18T12:32:40.477152+00:00"},{"alias_kind":"pith_short_16","alias_value":"NM4XO3ZIGDBUIOEX","created_at":"2026-05-18T12:32:40.477152+00:00"},{"alias_kind":"pith_short_8","alias_value":"NM4XO3ZI","created_at":"2026-05-18T12:32:40.477152+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/NM4XO3ZIGDBUIOEXWVDVXUZG6S","json":"https://pith.science/pith/NM4XO3ZIGDBUIOEXWVDVXUZG6S.json","graph_json":"https://pith.science/api/pith-number/NM4XO3ZIGDBUIOEXWVDVXUZG6S/graph.json","events_json":"https://pith.science/api/pith-number/NM4XO3ZIGDBUIOEXWVDVXUZG6S/events.json","paper":"https://pith.science/paper/NM4XO3ZI"},"agent_actions":{"view_html":"https://pith.science/pith/NM4XO3ZIGDBUIOEXWVDVXUZG6S","download_json":"https://pith.science/pith/NM4XO3ZIGDBUIOEXWVDVXUZG6S.json","view_paper":"https://pith.science/paper/NM4XO3ZI","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1802.10320&json=true","fetch_graph":"https://pith.science/api/pith-number/NM4XO3ZIGDBUIOEXWVDVXUZG6S/graph.json","fetch_events":"https://pith.science/api/pith-number/NM4XO3ZIGDBUIOEXWVDVXUZG6S/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/NM4XO3ZIGDBUIOEXWVDVXUZG6S/action/timestamp_anchor","attest_storage":"https://pith.science/pith/NM4XO3ZIGDBUIOEXWVDVXUZG6S/action/storage_attestation","attest_author":"https://pith.science/pith/NM4XO3ZIGDBUIOEXWVDVXUZG6S/action/author_attestation","sign_citation":"https://pith.science/pith/NM4XO3ZIGDBUIOEXWVDVXUZG6S/action/citation_signature","submit_replication":"https://pith.science/pith/NM4XO3ZIGDBUIOEXWVDVXUZG6S/action/replication_record"}},"created_at":"2026-05-18T00:11:37.829643+00:00","updated_at":"2026-05-18T00:11:37.829643+00:00"}