{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2013:6PRJ52LOM5CMSEQPPQQ65ADOUS","short_pith_number":"pith:6PRJ52LO","schema_version":"1.0","canonical_sha256":"f3e29ee96e6744c9120f7c21ee806ea4a988d9054fbb2627354e0891c1ed9d90","source":{"kind":"arxiv","id":"1310.3015","version":1},"attestation_state":"computed","paper":{"title":"Filter-And-Forward Relay Design for MIMO-OFDM Systems","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["math.IT"],"primary_cat":"cs.IT","authors_text":"Donggun Kim, Jihoon Chung, Youngchul Sung","submitted_at":"2013-10-11T03:34:01Z","abstract_excerpt":"In this paper, the filter-and-forward (FF) relay design for multiple-input multiple-output (MIMO) orthogonal frequency-division multiplexing (OFDM) systems is considered. Due to the considered MIMO structure, the problem of joint design of the linear MIMO transceiver at the source and the destination and the FF relay at the relay is considered. As the design criterion, the minimization of weighted sum mean-square-error (MSE) is considered first, and the joint design in this case is approached based on alternating optimization that iterates between optimal design of the FF relay for a given set"},"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":"1310.3015","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2013-10-11T03:34:01Z","cross_cats_sorted":["math.IT"],"title_canon_sha256":"e1a10a55d5b5f7a25dea6ac72ed80883370d63f13563fdc570a48c66d173bedf","abstract_canon_sha256":"c53e8c68f3a4669111dd5d53e74f28e9a187868e94e5911b891c93518180ae4b"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:10:45.249811Z","signature_b64":"WqcGhDp2uPf/4681B0hf5mismQJ55gmk4+Rkp2bJz6DoHncyOQ8m6glkINPOU4Vo7Kb5zSsaUqP8ervn5IZ7AQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f3e29ee96e6744c9120f7c21ee806ea4a988d9054fbb2627354e0891c1ed9d90","last_reissued_at":"2026-05-18T03:10:45.249293Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:10:45.249293Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Filter-And-Forward Relay Design for MIMO-OFDM Systems","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["math.IT"],"primary_cat":"cs.IT","authors_text":"Donggun Kim, Jihoon Chung, Youngchul Sung","submitted_at":"2013-10-11T03:34:01Z","abstract_excerpt":"In this paper, the filter-and-forward (FF) relay design for multiple-input multiple-output (MIMO) orthogonal frequency-division multiplexing (OFDM) systems is considered. Due to the considered MIMO structure, the problem of joint design of the linear MIMO transceiver at the source and the destination and the FF relay at the relay is considered. As the design criterion, the minimization of weighted sum mean-square-error (MSE) is considered first, and the joint design in this case is approached based on alternating optimization that iterates between optimal design of the FF relay for a given set"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1310.3015","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":"1310.3015","created_at":"2026-05-18T03:10:45.249371+00:00"},{"alias_kind":"arxiv_version","alias_value":"1310.3015v1","created_at":"2026-05-18T03:10:45.249371+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1310.3015","created_at":"2026-05-18T03:10:45.249371+00:00"},{"alias_kind":"pith_short_12","alias_value":"6PRJ52LOM5CM","created_at":"2026-05-18T12:27:36.564083+00:00"},{"alias_kind":"pith_short_16","alias_value":"6PRJ52LOM5CMSEQP","created_at":"2026-05-18T12:27:36.564083+00:00"},{"alias_kind":"pith_short_8","alias_value":"6PRJ52LO","created_at":"2026-05-18T12:27:36.564083+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/6PRJ52LOM5CMSEQPPQQ65ADOUS","json":"https://pith.science/pith/6PRJ52LOM5CMSEQPPQQ65ADOUS.json","graph_json":"https://pith.science/api/pith-number/6PRJ52LOM5CMSEQPPQQ65ADOUS/graph.json","events_json":"https://pith.science/api/pith-number/6PRJ52LOM5CMSEQPPQQ65ADOUS/events.json","paper":"https://pith.science/paper/6PRJ52LO"},"agent_actions":{"view_html":"https://pith.science/pith/6PRJ52LOM5CMSEQPPQQ65ADOUS","download_json":"https://pith.science/pith/6PRJ52LOM5CMSEQPPQQ65ADOUS.json","view_paper":"https://pith.science/paper/6PRJ52LO","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1310.3015&json=true","fetch_graph":"https://pith.science/api/pith-number/6PRJ52LOM5CMSEQPPQQ65ADOUS/graph.json","fetch_events":"https://pith.science/api/pith-number/6PRJ52LOM5CMSEQPPQQ65ADOUS/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/6PRJ52LOM5CMSEQPPQQ65ADOUS/action/timestamp_anchor","attest_storage":"https://pith.science/pith/6PRJ52LOM5CMSEQPPQQ65ADOUS/action/storage_attestation","attest_author":"https://pith.science/pith/6PRJ52LOM5CMSEQPPQQ65ADOUS/action/author_attestation","sign_citation":"https://pith.science/pith/6PRJ52LOM5CMSEQPPQQ65ADOUS/action/citation_signature","submit_replication":"https://pith.science/pith/6PRJ52LOM5CMSEQPPQQ65ADOUS/action/replication_record"}},"created_at":"2026-05-18T03:10:45.249371+00:00","updated_at":"2026-05-18T03:10:45.249371+00:00"}