{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2017:DOW2XQUHC2BTGNAOREYMBBBCJD","short_pith_number":"pith:DOW2XQUH","schema_version":"1.0","canonical_sha256":"1badabc287168333340e8930c0842248f32f1981f9050c0cf2aaef55cf48dea9","source":{"kind":"arxiv","id":"1703.03174","version":1},"attestation_state":"computed","paper":{"title":"A Generalized Zero-Forcing Precoder with Successive Dirty-Paper Coding in MISO Broadcast Channels","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["math.IT"],"primary_cat":"cs.IT","authors_text":"Fredrik Rusek, Sha Hu","submitted_at":"2017-03-09T08:21:55Z","abstract_excerpt":"In this paper, we consider precoder designs for multiuser multiple-input-single-output (MISO) broadcasting channels. Instead of using a traditional linear zero-forcing (ZF) precoder, we propose a generalized ZF (GZF) precoder in conjunction with successive dirty-paper coding (DPC) for data-transmissions, namely, the GZF-DP precoder, where the suffix \\lq{}DP\\rq{} stands for \\lq{}dirty-paper\\rq{}. The GZF-DP precoder is designed to generate a band-shaped and lower-triangular effective channel $\\vec{F}$ such that only the entries along the main diagonal and the $\\nu$ first lower-diagonals can tak"},"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":"1703.03174","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2017-03-09T08:21:55Z","cross_cats_sorted":["math.IT"],"title_canon_sha256":"37a9901b1a7fcab454726fadf67af8055fbe159ac174e66f64efbb5a653e5cc7","abstract_canon_sha256":"e877affcc5562832604ef5fcb997482cb9f5db3d68e8d77f55efea50caa14c2a"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:35:55.358311Z","signature_b64":"Sox3R2cQW+6G/5UZ/yRqEaOzoLJpefT5CV0BZiftB9iMX48dd6e5H1XJPGaYxSI1l+4KbQd406j2Z4NsPysXCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"1badabc287168333340e8930c0842248f32f1981f9050c0cf2aaef55cf48dea9","last_reissued_at":"2026-05-18T00:35:55.357952Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:35:55.357952Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"A Generalized Zero-Forcing Precoder with Successive Dirty-Paper Coding in MISO Broadcast Channels","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["math.IT"],"primary_cat":"cs.IT","authors_text":"Fredrik Rusek, Sha Hu","submitted_at":"2017-03-09T08:21:55Z","abstract_excerpt":"In this paper, we consider precoder designs for multiuser multiple-input-single-output (MISO) broadcasting channels. Instead of using a traditional linear zero-forcing (ZF) precoder, we propose a generalized ZF (GZF) precoder in conjunction with successive dirty-paper coding (DPC) for data-transmissions, namely, the GZF-DP precoder, where the suffix \\lq{}DP\\rq{} stands for \\lq{}dirty-paper\\rq{}. The GZF-DP precoder is designed to generate a band-shaped and lower-triangular effective channel $\\vec{F}$ such that only the entries along the main diagonal and the $\\nu$ first lower-diagonals can tak"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1703.03174","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":"1703.03174","created_at":"2026-05-18T00:35:55.358001+00:00"},{"alias_kind":"arxiv_version","alias_value":"1703.03174v1","created_at":"2026-05-18T00:35:55.358001+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1703.03174","created_at":"2026-05-18T00:35:55.358001+00:00"},{"alias_kind":"pith_short_12","alias_value":"DOW2XQUHC2BT","created_at":"2026-05-18T12:31:12.930513+00:00"},{"alias_kind":"pith_short_16","alias_value":"DOW2XQUHC2BTGNAO","created_at":"2026-05-18T12:31:12.930513+00:00"},{"alias_kind":"pith_short_8","alias_value":"DOW2XQUH","created_at":"2026-05-18T12:31:12.930513+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/DOW2XQUHC2BTGNAOREYMBBBCJD","json":"https://pith.science/pith/DOW2XQUHC2BTGNAOREYMBBBCJD.json","graph_json":"https://pith.science/api/pith-number/DOW2XQUHC2BTGNAOREYMBBBCJD/graph.json","events_json":"https://pith.science/api/pith-number/DOW2XQUHC2BTGNAOREYMBBBCJD/events.json","paper":"https://pith.science/paper/DOW2XQUH"},"agent_actions":{"view_html":"https://pith.science/pith/DOW2XQUHC2BTGNAOREYMBBBCJD","download_json":"https://pith.science/pith/DOW2XQUHC2BTGNAOREYMBBBCJD.json","view_paper":"https://pith.science/paper/DOW2XQUH","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1703.03174&json=true","fetch_graph":"https://pith.science/api/pith-number/DOW2XQUHC2BTGNAOREYMBBBCJD/graph.json","fetch_events":"https://pith.science/api/pith-number/DOW2XQUHC2BTGNAOREYMBBBCJD/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/DOW2XQUHC2BTGNAOREYMBBBCJD/action/timestamp_anchor","attest_storage":"https://pith.science/pith/DOW2XQUHC2BTGNAOREYMBBBCJD/action/storage_attestation","attest_author":"https://pith.science/pith/DOW2XQUHC2BTGNAOREYMBBBCJD/action/author_attestation","sign_citation":"https://pith.science/pith/DOW2XQUHC2BTGNAOREYMBBBCJD/action/citation_signature","submit_replication":"https://pith.science/pith/DOW2XQUHC2BTGNAOREYMBBBCJD/action/replication_record"}},"created_at":"2026-05-18T00:35:55.358001+00:00","updated_at":"2026-05-18T00:35:55.358001+00:00"}