{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:VWWJBH7MXJUOIT547XZRPF7LL2","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":"6eb9798ee37f458e0dde40b033e0d7a99d544d2de08915e4e34a1563dc5f3034","cross_cats_sorted":["eess.SP","math.IT"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2025-01-12T23:13:06Z","title_canon_sha256":"66b202e01be49621d821832aff74c152c9a233a10e1e24b3edb2b04cc95c1e3e"},"schema_version":"1.0","source":{"id":"2501.06974","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2501.06974","created_at":"2026-07-05T11:22:35Z"},{"alias_kind":"arxiv_version","alias_value":"2501.06974v1","created_at":"2026-07-05T11:22:35Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2501.06974","created_at":"2026-07-05T11:22:35Z"},{"alias_kind":"pith_short_12","alias_value":"VWWJBH7MXJUO","created_at":"2026-07-05T11:22:35Z"},{"alias_kind":"pith_short_16","alias_value":"VWWJBH7MXJUOIT54","created_at":"2026-07-05T11:22:35Z"},{"alias_kind":"pith_short_8","alias_value":"VWWJBH7M","created_at":"2026-07-05T11:22:35Z"}],"graph_snapshots":[{"event_id":"sha256:628b171a9577a2d1007fd4ef6b7b86cc55c45d88b23b781ed4693ea52e7eca9d","target":"graph","created_at":"2026-07-05T11:22:35Z","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/2501.06974/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Fluid antenna multiple access (FAMA), enabled by the fluid antenna system (FAS), offers a new and straightforward solution to massive connectivity. Previous results on FAMA were primarily based on narrowband channels. This paper studies the adoption of FAMA within the fifth-generation (5G) orthogonal frequency division multiplexing (OFDM) framework, referred to as OFDM-FAMA, and evaluate its performance in broadband multipath channels. We first design the OFDM-FAMA system, taking into account 5G channel coding and OFDM modulation. Then the system's achievable rate is analyzed, and an algorithm","authors_text":"Dazhi He, Hanjiang Hong, Hao Xu, Hyundong Shin, Kai-Kit Wong, Ross Murch, Wenjun Zhang, Yin Xu","cross_cats":["eess.SP","math.IT"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2025-01-12T23:13:06Z","title":"Downlink OFDM-FAMA in 5G-NR Systems"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2501.06974","kind":"arxiv","version":1},"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:f7d9290c3a75ec7c88027902f460d9005bf1bd823d339ea67a649f22b9037aa3","target":"record","created_at":"2026-07-05T11:22:35Z","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":"6eb9798ee37f458e0dde40b033e0d7a99d544d2de08915e4e34a1563dc5f3034","cross_cats_sorted":["eess.SP","math.IT"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2025-01-12T23:13:06Z","title_canon_sha256":"66b202e01be49621d821832aff74c152c9a233a10e1e24b3edb2b04cc95c1e3e"},"schema_version":"1.0","source":{"id":"2501.06974","kind":"arxiv","version":1}},"canonical_sha256":"adac909fecba68e44fbcfdf31797eb5ea6b62fc682e3b455b0b133593b44bf02","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"adac909fecba68e44fbcfdf31797eb5ea6b62fc682e3b455b0b133593b44bf02","first_computed_at":"2026-07-05T11:22:35.635932Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T11:22:35.635932Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"XBU0bHmxIwgZ7LuVGadDQyR2yWZBW87nfrrZ/iMN361XT8O1UlfXo3lu2M0eTjQL9tOjca7mhnKFwfoA8/ZzDw==","signature_status":"signed_v1","signed_at":"2026-07-05T11:22:35.636438Z","signed_message":"canonical_sha256_bytes"},"source_id":"2501.06974","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:f7d9290c3a75ec7c88027902f460d9005bf1bd823d339ea67a649f22b9037aa3","sha256:628b171a9577a2d1007fd4ef6b7b86cc55c45d88b23b781ed4693ea52e7eca9d"],"state_sha256":"264fde197c1191deea908014c065ff559dfefdd39a15ad6d21607a6379a9daec"}