{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:3TXSSOCIWYAE4KLIBUC3CVARXO","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":"3246f2e2685918733c5f8dc34d6f20a4343ab6881a4f296baac73dde4e938289","cross_cats_sorted":["math.IT"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2017-05-01T11:21:36Z","title_canon_sha256":"5dbf1d766c99c7c789f58b12b2646b4a02dbfe3114687503622914b2b92b4be5"},"schema_version":"1.0","source":{"id":"1705.00474","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1705.00474","created_at":"2026-05-18T00:45:17Z"},{"alias_kind":"arxiv_version","alias_value":"1705.00474v1","created_at":"2026-05-18T00:45:17Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1705.00474","created_at":"2026-05-18T00:45:17Z"},{"alias_kind":"pith_short_12","alias_value":"3TXSSOCIWYAE","created_at":"2026-05-18T12:30:58Z"},{"alias_kind":"pith_short_16","alias_value":"3TXSSOCIWYAE4KLI","created_at":"2026-05-18T12:30:58Z"},{"alias_kind":"pith_short_8","alias_value":"3TXSSOCI","created_at":"2026-05-18T12:30:58Z"}],"graph_snapshots":[{"event_id":"sha256:e414097ca1a398df09460bf8985a9429120b4ad606e067fb6403dc6c39babe65","target":"graph","created_at":"2026-05-18T00:45:17Z","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"},"paper":{"abstract_excerpt":"This work considers the downlink of a cloud radio access network (C-RAN), in which a control unit (CU) encodes confidential messages, each of which is intended for a user equipment (UE) and is to be kept secret from all the other UEs. As per the C-RAN architecture, the encoded baseband signals are quantized and compressed prior to the transfer to distributed radio units (RUs) that are connected to the CU via finite-capacity fronthaul links. This work argues that the quantization noise introduced by fronthaul quantization can be leveraged to act as \"artificial\" noise in order to enhance the rat","authors_text":"Osvaldo Simeone, Seok-Hwan Park, Shlomo Shamai","cross_cats":["math.IT"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2017-05-01T11:21:36Z","title":"Fronthaul Quantization as Artificial Noise for Enhanced Secret Communication in C-RAN"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1705.00474","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":"sha256:8b594a068d887ec2e90cb602fcb768c8c1764f3e8784eb6d049216a6199dab8a","target":"record","created_at":"2026-05-18T00:45:17Z","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":"3246f2e2685918733c5f8dc34d6f20a4343ab6881a4f296baac73dde4e938289","cross_cats_sorted":["math.IT"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2017-05-01T11:21:36Z","title_canon_sha256":"5dbf1d766c99c7c789f58b12b2646b4a02dbfe3114687503622914b2b92b4be5"},"schema_version":"1.0","source":{"id":"1705.00474","kind":"arxiv","version":1}},"canonical_sha256":"dcef293848b6004e29680d05b15411bb870c986e1ccbb5833110226e04ffbf5e","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"dcef293848b6004e29680d05b15411bb870c986e1ccbb5833110226e04ffbf5e","first_computed_at":"2026-05-18T00:45:17.162331Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:45:17.162331Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"jlZcf08u3sNhB/i9b3DG0lGuvJL1TJMAK24oZvISVwxa2nwtrBpf318TbMgHTbTLYcLuLZWkhkG9U6fCC/T1Bw==","signature_status":"signed_v1","signed_at":"2026-05-18T00:45:17.163004Z","signed_message":"canonical_sha256_bytes"},"source_id":"1705.00474","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:8b594a068d887ec2e90cb602fcb768c8c1764f3e8784eb6d049216a6199dab8a","sha256:e414097ca1a398df09460bf8985a9429120b4ad606e067fb6403dc6c39babe65"],"state_sha256":"3abcc6ec26b1e7f53aa912f9736a3486c3ee57d09eab2895a9c3ee8c7a1724e4"}