{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2017:OVWMLF6SOXQWO76BVTZ5ZZOIKH","short_pith_number":"pith:OVWMLF6S","schema_version":"1.0","canonical_sha256":"756cc597d275e1677fc1acf3dce5c851c372c1faa64216fd802a8e29b3071455","source":{"kind":"arxiv","id":"1704.04611","version":1},"attestation_state":"computed","paper":{"title":"Robust Transceiver Design Based on Interference Alignment for Multi-User Multi-Cell MIMO Networks with Channel Uncertainty","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["math.IT"],"primary_cat":"cs.IT","authors_text":"Athanasios V. Vasilakos, Helin Yang, Xianzhong Xie","submitted_at":"2017-04-15T09:24:50Z","abstract_excerpt":"In this paper, we firstly exploit the inter-user interference (IUI) and inter-cell interference (ICI) as useful references to develop a robust transceiver design based on interference alignment for a downlink multi-user multi-cell multiple-input multiple-output (MIMO) interference network under channel estimation error. At transmitters, we propose a two-tier transmit beamforming strategy, we first achieve the inner beamforming direction and allocated power by minimizing the interference leakage as well as maximizing the system energy efficiency, respectively. Then, for the outer beamformer des"},"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":"1704.04611","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2017-04-15T09:24:50Z","cross_cats_sorted":["math.IT"],"title_canon_sha256":"b212e75bc3efd9bd95822ec7a0ef3a2732367546b30cd7521969571472800cf6","abstract_canon_sha256":"f28736b11b1f8b573fd4715a8e793cb01b0bd9f8136b3b265b47455fdc9e76e8"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:46:18.072789Z","signature_b64":"ZOdqLpsS+aTN9q5IVsrcrsKQxpJG9EU1x5i/26U918Zt5UnXp6NcoNrPr2d5UofDs0HaP9VzoyDnuH4u40MTAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"756cc597d275e1677fc1acf3dce5c851c372c1faa64216fd802a8e29b3071455","last_reissued_at":"2026-05-18T00:46:18.072360Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:46:18.072360Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Robust Transceiver Design Based on Interference Alignment for Multi-User Multi-Cell MIMO Networks with Channel Uncertainty","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["math.IT"],"primary_cat":"cs.IT","authors_text":"Athanasios V. Vasilakos, Helin Yang, Xianzhong Xie","submitted_at":"2017-04-15T09:24:50Z","abstract_excerpt":"In this paper, we firstly exploit the inter-user interference (IUI) and inter-cell interference (ICI) as useful references to develop a robust transceiver design based on interference alignment for a downlink multi-user multi-cell multiple-input multiple-output (MIMO) interference network under channel estimation error. At transmitters, we propose a two-tier transmit beamforming strategy, we first achieve the inner beamforming direction and allocated power by minimizing the interference leakage as well as maximizing the system energy efficiency, respectively. Then, for the outer beamformer des"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1704.04611","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":"1704.04611","created_at":"2026-05-18T00:46:18.072421+00:00"},{"alias_kind":"arxiv_version","alias_value":"1704.04611v1","created_at":"2026-05-18T00:46:18.072421+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1704.04611","created_at":"2026-05-18T00:46:18.072421+00:00"},{"alias_kind":"pith_short_12","alias_value":"OVWMLF6SOXQW","created_at":"2026-05-18T12:31:34.259226+00:00"},{"alias_kind":"pith_short_16","alias_value":"OVWMLF6SOXQWO76B","created_at":"2026-05-18T12:31:34.259226+00:00"},{"alias_kind":"pith_short_8","alias_value":"OVWMLF6S","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/OVWMLF6SOXQWO76BVTZ5ZZOIKH","json":"https://pith.science/pith/OVWMLF6SOXQWO76BVTZ5ZZOIKH.json","graph_json":"https://pith.science/api/pith-number/OVWMLF6SOXQWO76BVTZ5ZZOIKH/graph.json","events_json":"https://pith.science/api/pith-number/OVWMLF6SOXQWO76BVTZ5ZZOIKH/events.json","paper":"https://pith.science/paper/OVWMLF6S"},"agent_actions":{"view_html":"https://pith.science/pith/OVWMLF6SOXQWO76BVTZ5ZZOIKH","download_json":"https://pith.science/pith/OVWMLF6SOXQWO76BVTZ5ZZOIKH.json","view_paper":"https://pith.science/paper/OVWMLF6S","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1704.04611&json=true","fetch_graph":"https://pith.science/api/pith-number/OVWMLF6SOXQWO76BVTZ5ZZOIKH/graph.json","fetch_events":"https://pith.science/api/pith-number/OVWMLF6SOXQWO76BVTZ5ZZOIKH/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/OVWMLF6SOXQWO76BVTZ5ZZOIKH/action/timestamp_anchor","attest_storage":"https://pith.science/pith/OVWMLF6SOXQWO76BVTZ5ZZOIKH/action/storage_attestation","attest_author":"https://pith.science/pith/OVWMLF6SOXQWO76BVTZ5ZZOIKH/action/author_attestation","sign_citation":"https://pith.science/pith/OVWMLF6SOXQWO76BVTZ5ZZOIKH/action/citation_signature","submit_replication":"https://pith.science/pith/OVWMLF6SOXQWO76BVTZ5ZZOIKH/action/replication_record"}},"created_at":"2026-05-18T00:46:18.072421+00:00","updated_at":"2026-05-18T00:46:18.072421+00:00"}