{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:U5OZQYCD72TVSEL7FODEIVPZAR","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":"1b1f5a04436d74a8ea9cb64cad0d6e09f1cadd7ec1a01b322603c9d090892025","cross_cats_sorted":["math.IT"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2019-04-11T00:04:35Z","title_canon_sha256":"6cc5d662a0c8cc832ea371bb694886a96b3ee2d0039bcc42416a30e333ed82bf"},"schema_version":"1.0","source":{"id":"1904.05484","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1904.05484","created_at":"2026-05-17T23:48:49Z"},{"alias_kind":"arxiv_version","alias_value":"1904.05484v1","created_at":"2026-05-17T23:48:49Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1904.05484","created_at":"2026-05-17T23:48:49Z"},{"alias_kind":"pith_short_12","alias_value":"U5OZQYCD72TV","created_at":"2026-05-18T12:33:30Z"},{"alias_kind":"pith_short_16","alias_value":"U5OZQYCD72TVSEL7","created_at":"2026-05-18T12:33:30Z"},{"alias_kind":"pith_short_8","alias_value":"U5OZQYCD","created_at":"2026-05-18T12:33:30Z"}],"graph_snapshots":[{"event_id":"sha256:442de4477f511fcf777103948568def1ccadff243f5ca0a06e48f2537920437d","target":"graph","created_at":"2026-05-17T23:48:49Z","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 paper considers the problem of code design for a channel where communications and radar systems coexist, modeled as having both Additive White Gaussian Noise (AWGN) and Additive Radar Interference (ARI). The issue of how to adapt or re-design convolutional codes (decoded by the Viterbi algorithm) and LDPC codes (decoded by the sum-product algorithm and optimized by using the EXIT chart method) to effectively handle the overall non-Gaussian ARI noise is investigated. A decoding metric is derived from the non-Gaussian ARI channel transition probability as a function of the Signal-to-Noise R","authors_text":"Daniela Tuninetti, Federico Brunero, Natasha Devroye","cross_cats":["math.IT"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2019-04-11T00:04:35Z","title":"On Code Design for Wireless Channels with Additive Radar Interference"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1904.05484","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:ba2953e43259c60ced40d433989c3a0bfeb696ae07e4d2c27c1e8c8cb7e7695e","target":"record","created_at":"2026-05-17T23:48:49Z","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":"1b1f5a04436d74a8ea9cb64cad0d6e09f1cadd7ec1a01b322603c9d090892025","cross_cats_sorted":["math.IT"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2019-04-11T00:04:35Z","title_canon_sha256":"6cc5d662a0c8cc832ea371bb694886a96b3ee2d0039bcc42416a30e333ed82bf"},"schema_version":"1.0","source":{"id":"1904.05484","kind":"arxiv","version":1}},"canonical_sha256":"a75d986043fea759117f2b864455f90443d406660cb12ca4dfc3a42ea6d9350b","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"a75d986043fea759117f2b864455f90443d406660cb12ca4dfc3a42ea6d9350b","first_computed_at":"2026-05-17T23:48:49.376395Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:48:49.376395Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"jCO28pW8Jna3uqzeL0grQo35ZSiaAfjaI29hO50PmEy1DkZUGx5wKfmuxAmMqIZ34+1Q6ecXbFUOgW6IapW/CQ==","signature_status":"signed_v1","signed_at":"2026-05-17T23:48:49.376947Z","signed_message":"canonical_sha256_bytes"},"source_id":"1904.05484","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:ba2953e43259c60ced40d433989c3a0bfeb696ae07e4d2c27c1e8c8cb7e7695e","sha256:442de4477f511fcf777103948568def1ccadff243f5ca0a06e48f2537920437d"],"state_sha256":"2c82e21cbf09fdef990957fbec1cbb3cc5cf9becbcf374ba4d4445236a698506"}