{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2016:HGAR3XVIWVLKX5WLWCFHIKHU2V","short_pith_number":"pith:HGAR3XVI","schema_version":"1.0","canonical_sha256":"39811ddea8b556abf6cbb08a7428f4d57d913ce534d090cc2327c157ed4fef6b","source":{"kind":"arxiv","id":"1609.09661","version":1},"attestation_state":"computed","paper":{"title":"Joint Channel Estimation / Data Detection in MIMO-FBMC/OQAM Systems - A Tensor-Based Approach","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["math.IT"],"primary_cat":"cs.IT","authors_text":"Andre L. F. de Almeida, Christos Chatzichristos, Eleftherios Kofidis","submitted_at":"2016-09-30T10:20:12Z","abstract_excerpt":"Filter bank-based multicarrier (FBMC) systems are currently being considered as a prevalent candidate for replacing the long established cyclic prefix (CP)-based orthogonal frequency division multiplexing (CP-OFDM) in the physical layer of next generation communications systems. In particular, FBMC/OQAM has received increasing attention due to, among other features, its potential for maximum spectral efficiency. It suffers, however, from an intrinsic self-interference effect, which complicates signal processing tasks at the receiver, including synchronization, channel estimation and equalizati"},"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":"1609.09661","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2016-09-30T10:20:12Z","cross_cats_sorted":["math.IT"],"title_canon_sha256":"548419840f0b4183c5bd4aa10dac902d6acf69e82c999be9b36b7a8ee1557e37","abstract_canon_sha256":"425789ab1930dd00cee76a36bf3d5b6d5608d92e09839f8d4fba25ee8b844a7a"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:03:35.390436Z","signature_b64":"bVSAHUhcWfwI41/PotysGwNcWdUjjcPZYLci3sVaaWJSjyfH40+/vEXQwJ/HruYn1If8Dk4+SFiTBVLsKB6+Bw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"39811ddea8b556abf6cbb08a7428f4d57d913ce534d090cc2327c157ed4fef6b","last_reissued_at":"2026-05-18T01:03:35.389685Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:03:35.389685Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Joint Channel Estimation / Data Detection in MIMO-FBMC/OQAM Systems - A Tensor-Based Approach","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["math.IT"],"primary_cat":"cs.IT","authors_text":"Andre L. F. de Almeida, Christos Chatzichristos, Eleftherios Kofidis","submitted_at":"2016-09-30T10:20:12Z","abstract_excerpt":"Filter bank-based multicarrier (FBMC) systems are currently being considered as a prevalent candidate for replacing the long established cyclic prefix (CP)-based orthogonal frequency division multiplexing (CP-OFDM) in the physical layer of next generation communications systems. In particular, FBMC/OQAM has received increasing attention due to, among other features, its potential for maximum spectral efficiency. It suffers, however, from an intrinsic self-interference effect, which complicates signal processing tasks at the receiver, including synchronization, channel estimation and equalizati"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1609.09661","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":"1609.09661","created_at":"2026-05-18T01:03:35.389802+00:00"},{"alias_kind":"arxiv_version","alias_value":"1609.09661v1","created_at":"2026-05-18T01:03:35.389802+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1609.09661","created_at":"2026-05-18T01:03:35.389802+00:00"},{"alias_kind":"pith_short_12","alias_value":"HGAR3XVIWVLK","created_at":"2026-05-18T12:30:19.053100+00:00"},{"alias_kind":"pith_short_16","alias_value":"HGAR3XVIWVLKX5WL","created_at":"2026-05-18T12:30:19.053100+00:00"},{"alias_kind":"pith_short_8","alias_value":"HGAR3XVI","created_at":"2026-05-18T12:30:19.053100+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/HGAR3XVIWVLKX5WLWCFHIKHU2V","json":"https://pith.science/pith/HGAR3XVIWVLKX5WLWCFHIKHU2V.json","graph_json":"https://pith.science/api/pith-number/HGAR3XVIWVLKX5WLWCFHIKHU2V/graph.json","events_json":"https://pith.science/api/pith-number/HGAR3XVIWVLKX5WLWCFHIKHU2V/events.json","paper":"https://pith.science/paper/HGAR3XVI"},"agent_actions":{"view_html":"https://pith.science/pith/HGAR3XVIWVLKX5WLWCFHIKHU2V","download_json":"https://pith.science/pith/HGAR3XVIWVLKX5WLWCFHIKHU2V.json","view_paper":"https://pith.science/paper/HGAR3XVI","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1609.09661&json=true","fetch_graph":"https://pith.science/api/pith-number/HGAR3XVIWVLKX5WLWCFHIKHU2V/graph.json","fetch_events":"https://pith.science/api/pith-number/HGAR3XVIWVLKX5WLWCFHIKHU2V/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/HGAR3XVIWVLKX5WLWCFHIKHU2V/action/timestamp_anchor","attest_storage":"https://pith.science/pith/HGAR3XVIWVLKX5WLWCFHIKHU2V/action/storage_attestation","attest_author":"https://pith.science/pith/HGAR3XVIWVLKX5WLWCFHIKHU2V/action/author_attestation","sign_citation":"https://pith.science/pith/HGAR3XVIWVLKX5WLWCFHIKHU2V/action/citation_signature","submit_replication":"https://pith.science/pith/HGAR3XVIWVLKX5WLWCFHIKHU2V/action/replication_record"}},"created_at":"2026-05-18T01:03:35.389802+00:00","updated_at":"2026-05-18T01:03:35.389802+00:00"}