{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2015:MFJMPB6ZLO4LYHFK3QO2MMRZMC","short_pith_number":"pith:MFJMPB6Z","schema_version":"1.0","canonical_sha256":"6152c787d95bb8bc1caadc1da63239608b573b36a9981773765331387941028f","source":{"kind":"arxiv","id":"1505.03309","version":2},"attestation_state":"computed","paper":{"title":"Time Localization and Capacity of Faster-Than-Nyquist Signaling","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["math.IT"],"primary_cat":"cs.IT","authors_text":"Ather Gattami, Emil Ringh, Johan Karlsson","submitted_at":"2015-05-13T10:18:54Z","abstract_excerpt":"In this paper, we consider communication over the bandwidth limited analog white Gaussian noise channel using non-orthogonal pulses. In particular, we consider non-orthogonal transmission by signaling samples at a rate higher than the Nyquist rate. Using the faster-than-Nyquist (FTN) framework, Mazo showed that one may transmit symbols carried by sinc pulses at a higher rate than that dictated by Nyquist without loosing bit error rate. However, as we will show in this paper, such pulses are not necessarily well localized in time. In fact, assuming that signals in the FTN framework are well loc"},"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":"1505.03309","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2015-05-13T10:18:54Z","cross_cats_sorted":["math.IT"],"title_canon_sha256":"9aa8656711c14cc5a6269dc3f3f0ad0cbf1ebcd1ec08e33dfddb947088f7bb4f","abstract_canon_sha256":"95aae223813d06303dfcf52017a4559ca1ef51c218e548634577b0062e8ee5ec"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:25:00.507117Z","signature_b64":"PcKw3l35Vze4nTpcIDx2bGEiDW3FnQlUYBXZyKz8oTihnzUnalQ+jngwwPVmfOknxK90J1w9rll2QdhKEaO0CQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"6152c787d95bb8bc1caadc1da63239608b573b36a9981773765331387941028f","last_reissued_at":"2026-05-18T01:25:00.506416Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:25:00.506416Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Time Localization and Capacity of Faster-Than-Nyquist Signaling","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["math.IT"],"primary_cat":"cs.IT","authors_text":"Ather Gattami, Emil Ringh, Johan Karlsson","submitted_at":"2015-05-13T10:18:54Z","abstract_excerpt":"In this paper, we consider communication over the bandwidth limited analog white Gaussian noise channel using non-orthogonal pulses. In particular, we consider non-orthogonal transmission by signaling samples at a rate higher than the Nyquist rate. Using the faster-than-Nyquist (FTN) framework, Mazo showed that one may transmit symbols carried by sinc pulses at a higher rate than that dictated by Nyquist without loosing bit error rate. However, as we will show in this paper, such pulses are not necessarily well localized in time. In fact, assuming that signals in the FTN framework are well loc"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1505.03309","kind":"arxiv","version":2},"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":"1505.03309","created_at":"2026-05-18T01:25:00.506537+00:00"},{"alias_kind":"arxiv_version","alias_value":"1505.03309v2","created_at":"2026-05-18T01:25:00.506537+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1505.03309","created_at":"2026-05-18T01:25:00.506537+00:00"},{"alias_kind":"pith_short_12","alias_value":"MFJMPB6ZLO4L","created_at":"2026-05-18T12:29:32.376354+00:00"},{"alias_kind":"pith_short_16","alias_value":"MFJMPB6ZLO4LYHFK","created_at":"2026-05-18T12:29:32.376354+00:00"},{"alias_kind":"pith_short_8","alias_value":"MFJMPB6Z","created_at":"2026-05-18T12:29:32.376354+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/MFJMPB6ZLO4LYHFK3QO2MMRZMC","json":"https://pith.science/pith/MFJMPB6ZLO4LYHFK3QO2MMRZMC.json","graph_json":"https://pith.science/api/pith-number/MFJMPB6ZLO4LYHFK3QO2MMRZMC/graph.json","events_json":"https://pith.science/api/pith-number/MFJMPB6ZLO4LYHFK3QO2MMRZMC/events.json","paper":"https://pith.science/paper/MFJMPB6Z"},"agent_actions":{"view_html":"https://pith.science/pith/MFJMPB6ZLO4LYHFK3QO2MMRZMC","download_json":"https://pith.science/pith/MFJMPB6ZLO4LYHFK3QO2MMRZMC.json","view_paper":"https://pith.science/paper/MFJMPB6Z","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1505.03309&json=true","fetch_graph":"https://pith.science/api/pith-number/MFJMPB6ZLO4LYHFK3QO2MMRZMC/graph.json","fetch_events":"https://pith.science/api/pith-number/MFJMPB6ZLO4LYHFK3QO2MMRZMC/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/MFJMPB6ZLO4LYHFK3QO2MMRZMC/action/timestamp_anchor","attest_storage":"https://pith.science/pith/MFJMPB6ZLO4LYHFK3QO2MMRZMC/action/storage_attestation","attest_author":"https://pith.science/pith/MFJMPB6ZLO4LYHFK3QO2MMRZMC/action/author_attestation","sign_citation":"https://pith.science/pith/MFJMPB6ZLO4LYHFK3QO2MMRZMC/action/citation_signature","submit_replication":"https://pith.science/pith/MFJMPB6ZLO4LYHFK3QO2MMRZMC/action/replication_record"}},"created_at":"2026-05-18T01:25:00.506537+00:00","updated_at":"2026-05-18T01:25:00.506537+00:00"}