{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2021:WPS6UK64XXFNLA7CUS3YNIAM4P","short_pith_number":"pith:WPS6UK64","canonical_record":{"source":{"id":"2111.08258","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by-sa/4.0/","primary_cat":"cs.IT","submitted_at":"2021-11-16T06:55:15Z","cross_cats_sorted":["math.IT"],"title_canon_sha256":"bf180a81399b865d575effccc1ff1332723d178b227fce179e5fd133621a194e","abstract_canon_sha256":"896c0778c59bad88f402393860d0b0927455647ecf7f524b27e759a8166338bf"},"schema_version":"1.0"},"canonical_sha256":"b3e5ea2bdcbdcad583e2a4b786a00ce3ec0d2987b02f51eda18a172dc7b8fc5d","source":{"kind":"arxiv","id":"2111.08258","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2111.08258","created_at":"2026-07-05T03:35:14Z"},{"alias_kind":"arxiv_version","alias_value":"2111.08258v2","created_at":"2026-07-05T03:35:14Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2111.08258","created_at":"2026-07-05T03:35:14Z"},{"alias_kind":"pith_short_12","alias_value":"WPS6UK64XXFN","created_at":"2026-07-05T03:35:14Z"},{"alias_kind":"pith_short_16","alias_value":"WPS6UK64XXFNLA7C","created_at":"2026-07-05T03:35:14Z"},{"alias_kind":"pith_short_8","alias_value":"WPS6UK64","created_at":"2026-07-05T03:35:14Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2021:WPS6UK64XXFNLA7CUS3YNIAM4P","target":"record","payload":{"canonical_record":{"source":{"id":"2111.08258","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by-sa/4.0/","primary_cat":"cs.IT","submitted_at":"2021-11-16T06:55:15Z","cross_cats_sorted":["math.IT"],"title_canon_sha256":"bf180a81399b865d575effccc1ff1332723d178b227fce179e5fd133621a194e","abstract_canon_sha256":"896c0778c59bad88f402393860d0b0927455647ecf7f524b27e759a8166338bf"},"schema_version":"1.0"},"canonical_sha256":"b3e5ea2bdcbdcad583e2a4b786a00ce3ec0d2987b02f51eda18a172dc7b8fc5d","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T03:35:14.196636Z","signature_b64":"Fey9U9uiA1lIDL1cC3p/SY8VzK652dCeAJDp+hJyOttKI/axZR6E5jyMpck1sgkutdgkQi9J6BQyfjw1gByGDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"b3e5ea2bdcbdcad583e2a4b786a00ce3ec0d2987b02f51eda18a172dc7b8fc5d","last_reissued_at":"2026-07-05T03:35:14.196195Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T03:35:14.196195Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2111.08258","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T03:35:14Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"M97YUiPnZc8MEOXjIFoCbkLsa+IO6iVwi2urhMNJepxaJO0j4l8ZzZmLLzbeQy21uc0QK9Yi/AkAnsf0EMdXCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-05T06:04:35.111607Z"},"content_sha256":"957b1757bdb360d136e3a9848cd5f18f2fa1bf3cb220474af03ed234d76a98a2","schema_version":"1.0","event_id":"sha256:957b1757bdb360d136e3a9848cd5f18f2fa1bf3cb220474af03ed234d76a98a2"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2021:WPS6UK64XXFNLA7CUS3YNIAM4P","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Faster-than-Nyquist Asynchronous NOMA Outperforms Synchronous NOMA","license":"http://creativecommons.org/licenses/by-sa/4.0/","headline":"","cross_cats":["math.IT"],"primary_cat":"cs.IT","authors_text":"Baoming Bai, Derrick Wing Kwan Ng, Jinhong Yuan, Lajos Hanzo, Shuangyang Li, Weijie Yuan, Zhiqiang Wei","submitted_at":"2021-11-16T06:55:15Z","abstract_excerpt":"Faster-than-Nyquist (FTN) signaling aided non-orthogonal multiple access (NOMA) is conceived and its achievable rate is quantified in the presence of random link delays of the different users. We reveal that exploiting the link delays may potentially lead to a signal-to-interference-plus-noise ratio (SINR) gain, while transmitting the data symbols at FTN rates has the potential of increasing the degree-of-freedom (DoF). We then unveil the fundamental trade-off between the SINR and DoF. In particular, at a sufficiently high symbol rate, the SINR gain vanishes while the DoF gain achieves its max"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2111.08258","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2111.08258/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T03:35:14Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"O6DRfwu4tgo5m4h5rdVv2jhp4j8oWWKdzeXv/ZknBvBDV48NZlVmbaXALS1RytaMdjICJZA5X3mHQIYJO2RzDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-05T06:04:35.111941Z"},"content_sha256":"db85c6d7bac0916b5807891895e37a9f53b240f262eb2b8c00fa010403ddcef4","schema_version":"1.0","event_id":"sha256:db85c6d7bac0916b5807891895e37a9f53b240f262eb2b8c00fa010403ddcef4"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/WPS6UK64XXFNLA7CUS3YNIAM4P/bundle.json","state_url":"https://pith.science/pith/WPS6UK64XXFNLA7CUS3YNIAM4P/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/WPS6UK64XXFNLA7CUS3YNIAM4P/bundle.json","status":"primary"}],"public_keys":[{"key_id":"pith-v1-2026-05","algorithm":"ed25519","format":"raw","public_key_b64":"stVStoiQhXFxp4s2pdzPNoqVNBMojDU/fJ2db5S3CbM=","public_key_hex":"b2d552b68890857171a78b36a5dccf368a953413288c353f7c9d9d6f94b709b3","fingerprint_sha256_b32_first128bits":"RVFV5Z2OI2J3ZUO7ERDEBCYNKS","fingerprint_sha256_hex":"8d4b5ee74e4693bcd1df2446408b0d54","rotates_at":null,"url":"https://pith.science/pith-signing-key.json","notes":"Pith uses this Ed25519 key to sign canonical record SHA-256 digests. Verify with: ed25519_verify(public_key, message=canonical_sha256_bytes, signature=base64decode(signature_b64))."}],"merge_version":"pith-open-graph-merge-v1","built_at":"2026-08-05T06:04:35Z","links":{"resolver":"https://pith.science/pith/WPS6UK64XXFNLA7CUS3YNIAM4P","bundle":"https://pith.science/pith/WPS6UK64XXFNLA7CUS3YNIAM4P/bundle.json","state":"https://pith.science/pith/WPS6UK64XXFNLA7CUS3YNIAM4P/state.json","well_known_bundle":"https://pith.science/.well-known/pith/WPS6UK64XXFNLA7CUS3YNIAM4P/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2021:WPS6UK64XXFNLA7CUS3YNIAM4P","merge_version":"pith-open-graph-merge-v1","event_count":2,"valid_event_count":2,"invalid_event_count":0,"equivocation_count":0,"current":{"canonical_record":{"metadata":{"abstract_canon_sha256":"896c0778c59bad88f402393860d0b0927455647ecf7f524b27e759a8166338bf","cross_cats_sorted":["math.IT"],"license":"http://creativecommons.org/licenses/by-sa/4.0/","primary_cat":"cs.IT","submitted_at":"2021-11-16T06:55:15Z","title_canon_sha256":"bf180a81399b865d575effccc1ff1332723d178b227fce179e5fd133621a194e"},"schema_version":"1.0","source":{"id":"2111.08258","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2111.08258","created_at":"2026-07-05T03:35:14Z"},{"alias_kind":"arxiv_version","alias_value":"2111.08258v2","created_at":"2026-07-05T03:35:14Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2111.08258","created_at":"2026-07-05T03:35:14Z"},{"alias_kind":"pith_short_12","alias_value":"WPS6UK64XXFN","created_at":"2026-07-05T03:35:14Z"},{"alias_kind":"pith_short_16","alias_value":"WPS6UK64XXFNLA7C","created_at":"2026-07-05T03:35:14Z"},{"alias_kind":"pith_short_8","alias_value":"WPS6UK64","created_at":"2026-07-05T03:35:14Z"}],"graph_snapshots":[{"event_id":"sha256:db85c6d7bac0916b5807891895e37a9f53b240f262eb2b8c00fa010403ddcef4","target":"graph","created_at":"2026-07-05T03:35:14Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"graph_snapshot":{"author_claims":{"count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","strong_count":0},"builder_version":"pith-number-builder-2026-05-17-v1","claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2111.08258/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Faster-than-Nyquist (FTN) signaling aided non-orthogonal multiple access (NOMA) is conceived and its achievable rate is quantified in the presence of random link delays of the different users. We reveal that exploiting the link delays may potentially lead to a signal-to-interference-plus-noise ratio (SINR) gain, while transmitting the data symbols at FTN rates has the potential of increasing the degree-of-freedom (DoF). We then unveil the fundamental trade-off between the SINR and DoF. In particular, at a sufficiently high symbol rate, the SINR gain vanishes while the DoF gain achieves its max","authors_text":"Baoming Bai, Derrick Wing Kwan Ng, Jinhong Yuan, Lajos Hanzo, Shuangyang Li, Weijie Yuan, Zhiqiang Wei","cross_cats":["math.IT"],"headline":"","license":"http://creativecommons.org/licenses/by-sa/4.0/","primary_cat":"cs.IT","submitted_at":"2021-11-16T06:55:15Z","title":"Faster-than-Nyquist Asynchronous NOMA Outperforms Synchronous NOMA"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2111.08258","kind":"arxiv","version":2},"verdict":{"created_at":null,"id":null,"model_set":{},"one_line_summary":"","pipeline_version":null,"pith_extraction_headline":"","strongest_claim":"","weakest_assumption":""}},"verdict_id":null}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:957b1757bdb360d136e3a9848cd5f18f2fa1bf3cb220474af03ed234d76a98a2","target":"record","created_at":"2026-07-05T03:35:14Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"attestation_state":"computed","canonical_record":{"metadata":{"abstract_canon_sha256":"896c0778c59bad88f402393860d0b0927455647ecf7f524b27e759a8166338bf","cross_cats_sorted":["math.IT"],"license":"http://creativecommons.org/licenses/by-sa/4.0/","primary_cat":"cs.IT","submitted_at":"2021-11-16T06:55:15Z","title_canon_sha256":"bf180a81399b865d575effccc1ff1332723d178b227fce179e5fd133621a194e"},"schema_version":"1.0","source":{"id":"2111.08258","kind":"arxiv","version":2}},"canonical_sha256":"b3e5ea2bdcbdcad583e2a4b786a00ce3ec0d2987b02f51eda18a172dc7b8fc5d","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"b3e5ea2bdcbdcad583e2a4b786a00ce3ec0d2987b02f51eda18a172dc7b8fc5d","first_computed_at":"2026-07-05T03:35:14.196195Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T03:35:14.196195Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Fey9U9uiA1lIDL1cC3p/SY8VzK652dCeAJDp+hJyOttKI/axZR6E5jyMpck1sgkutdgkQi9J6BQyfjw1gByGDg==","signature_status":"signed_v1","signed_at":"2026-07-05T03:35:14.196636Z","signed_message":"canonical_sha256_bytes"},"source_id":"2111.08258","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:957b1757bdb360d136e3a9848cd5f18f2fa1bf3cb220474af03ed234d76a98a2","sha256:db85c6d7bac0916b5807891895e37a9f53b240f262eb2b8c00fa010403ddcef4"],"state_sha256":"9a0b0b5ab12f5ff8f2bfedde40c1d098f15f2dd5e1778eaf81ad3f2567cc7700"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"rQwRi8Tph/8TLMe6MhKOoLIBk5Rl2cK/yAckiXm26bO+utlRR3meWOAcba3dGb0knvUB8f2yXI0O0qTm68vUAw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-05T06:04:35.129063Z","bundle_sha256":"be41932c7b83b9c736710967b73e4ce9e62cf4629051800ae47f9df791809d3f"}}