{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:CGF2EKJJC2SAKIJSRMXZB5AXA2","short_pith_number":"pith:CGF2EKJJ","canonical_record":{"source":{"id":"1607.00510","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2016-07-02T13:35:27Z","cross_cats_sorted":["math.IT"],"title_canon_sha256":"a223fe042aaf690c31d67d32026e388ad245008e2094538ac780e52e7f2717d8","abstract_canon_sha256":"e4ed617a48b73eeed1738d4fc53ca779377d7d1cfabe6c20faf249a3045e4c6b"},"schema_version":"1.0"},"canonical_sha256":"118ba2292916a40521328b2f90f417069335dc24dcf3e2e66290aba2166ca23c","source":{"kind":"arxiv","id":"1607.00510","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1607.00510","created_at":"2026-05-18T01:11:36Z"},{"alias_kind":"arxiv_version","alias_value":"1607.00510v1","created_at":"2026-05-18T01:11:36Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1607.00510","created_at":"2026-05-18T01:11:36Z"},{"alias_kind":"pith_short_12","alias_value":"CGF2EKJJC2SA","created_at":"2026-05-18T12:30:09Z"},{"alias_kind":"pith_short_16","alias_value":"CGF2EKJJC2SAKIJS","created_at":"2026-05-18T12:30:09Z"},{"alias_kind":"pith_short_8","alias_value":"CGF2EKJJ","created_at":"2026-05-18T12:30:09Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:CGF2EKJJC2SAKIJSRMXZB5AXA2","target":"record","payload":{"canonical_record":{"source":{"id":"1607.00510","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2016-07-02T13:35:27Z","cross_cats_sorted":["math.IT"],"title_canon_sha256":"a223fe042aaf690c31d67d32026e388ad245008e2094538ac780e52e7f2717d8","abstract_canon_sha256":"e4ed617a48b73eeed1738d4fc53ca779377d7d1cfabe6c20faf249a3045e4c6b"},"schema_version":"1.0"},"canonical_sha256":"118ba2292916a40521328b2f90f417069335dc24dcf3e2e66290aba2166ca23c","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:11:36.905723Z","signature_b64":"rB/lPnXkdWVYaRwWT1ULWsqTqtAmht7qSwj6e418tJXtqS8FmPJROxEKXu5XElPcNB3QS0UEh8IkUhazHxzCDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"118ba2292916a40521328b2f90f417069335dc24dcf3e2e66290aba2166ca23c","last_reissued_at":"2026-05-18T01:11:36.905353Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:11:36.905353Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1607.00510","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T01:11:36Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"pcECdhQ5Vwbq57QzqIHn1NX4hjYfq6kk8WMh0aalicuNosch3ae0OdUSPHfSb8cZ3kPA5TDuBDpKXFqF9999Cg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-28T15:43:51.808392Z"},"content_sha256":"846a3443237eba74a86b63dfe26d25ea06670dd9bc33609ba5aa7c732d835be0","schema_version":"1.0","event_id":"sha256:846a3443237eba74a86b63dfe26d25ea06670dd9bc33609ba5aa7c732d835be0"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:CGF2EKJJC2SAKIJSRMXZB5AXA2","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Harnessing Self-Interference in Full-Duplex Relaying: An Analog Filter-and-Forward Approach","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["math.IT"],"primary_cat":"cs.IT","authors_text":"Jie Xu, Lingjie Duan, Rui Zhang","submitted_at":"2016-07-02T13:35:27Z","abstract_excerpt":"This paper studies a full-duplex filter-and-forward (FD-FF) relay system in frequency-selective channels. Conventionally, the loop-back signal at the FD relay is treated as harmful self-interference and needs to be significantly suppressed via both analog- and digital-domain cancellation. However, the performance of the conventional self-interference cancellation approach is fundamentally limited due to the quantization error induced by the analog-to-digital converter (ADC) with limited dynamic range. In this paper, we consider an analog filter-and-forward design to help avoid the quantization"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1607.00510","kind":"arxiv","version":1},"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"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T01:11:36Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Z7zR5+t48pNag4eeAj1tmcoTIUgUpx3MgBIAusKWrMLV6UiqDVLefLYf5pUauQtnJThDwh6FbtpLf3w3VDWHDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-28T15:43:51.808729Z"},"content_sha256":"668a1855cf586464db4b078945374f4531402f2ba73889c3898ac812129b088b","schema_version":"1.0","event_id":"sha256:668a1855cf586464db4b078945374f4531402f2ba73889c3898ac812129b088b"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/CGF2EKJJC2SAKIJSRMXZB5AXA2/bundle.json","state_url":"https://pith.science/pith/CGF2EKJJC2SAKIJSRMXZB5AXA2/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/CGF2EKJJC2SAKIJSRMXZB5AXA2/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":"2026-06-28T15:43:51Z","links":{"resolver":"https://pith.science/pith/CGF2EKJJC2SAKIJSRMXZB5AXA2","bundle":"https://pith.science/pith/CGF2EKJJC2SAKIJSRMXZB5AXA2/bundle.json","state":"https://pith.science/pith/CGF2EKJJC2SAKIJSRMXZB5AXA2/state.json","well_known_bundle":"https://pith.science/.well-known/pith/CGF2EKJJC2SAKIJSRMXZB5AXA2/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:CGF2EKJJC2SAKIJSRMXZB5AXA2","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":"e4ed617a48b73eeed1738d4fc53ca779377d7d1cfabe6c20faf249a3045e4c6b","cross_cats_sorted":["math.IT"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2016-07-02T13:35:27Z","title_canon_sha256":"a223fe042aaf690c31d67d32026e388ad245008e2094538ac780e52e7f2717d8"},"schema_version":"1.0","source":{"id":"1607.00510","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1607.00510","created_at":"2026-05-18T01:11:36Z"},{"alias_kind":"arxiv_version","alias_value":"1607.00510v1","created_at":"2026-05-18T01:11:36Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1607.00510","created_at":"2026-05-18T01:11:36Z"},{"alias_kind":"pith_short_12","alias_value":"CGF2EKJJC2SA","created_at":"2026-05-18T12:30:09Z"},{"alias_kind":"pith_short_16","alias_value":"CGF2EKJJC2SAKIJS","created_at":"2026-05-18T12:30:09Z"},{"alias_kind":"pith_short_8","alias_value":"CGF2EKJJ","created_at":"2026-05-18T12:30:09Z"}],"graph_snapshots":[{"event_id":"sha256:668a1855cf586464db4b078945374f4531402f2ba73889c3898ac812129b088b","target":"graph","created_at":"2026-05-18T01:11:36Z","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 studies a full-duplex filter-and-forward (FD-FF) relay system in frequency-selective channels. Conventionally, the loop-back signal at the FD relay is treated as harmful self-interference and needs to be significantly suppressed via both analog- and digital-domain cancellation. However, the performance of the conventional self-interference cancellation approach is fundamentally limited due to the quantization error induced by the analog-to-digital converter (ADC) with limited dynamic range. In this paper, we consider an analog filter-and-forward design to help avoid the quantization","authors_text":"Jie Xu, Lingjie Duan, Rui Zhang","cross_cats":["math.IT"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2016-07-02T13:35:27Z","title":"Harnessing Self-Interference in Full-Duplex Relaying: An Analog Filter-and-Forward Approach"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1607.00510","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":"sha256:846a3443237eba74a86b63dfe26d25ea06670dd9bc33609ba5aa7c732d835be0","target":"record","created_at":"2026-05-18T01:11:36Z","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":"e4ed617a48b73eeed1738d4fc53ca779377d7d1cfabe6c20faf249a3045e4c6b","cross_cats_sorted":["math.IT"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2016-07-02T13:35:27Z","title_canon_sha256":"a223fe042aaf690c31d67d32026e388ad245008e2094538ac780e52e7f2717d8"},"schema_version":"1.0","source":{"id":"1607.00510","kind":"arxiv","version":1}},"canonical_sha256":"118ba2292916a40521328b2f90f417069335dc24dcf3e2e66290aba2166ca23c","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"118ba2292916a40521328b2f90f417069335dc24dcf3e2e66290aba2166ca23c","first_computed_at":"2026-05-18T01:11:36.905353Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:11:36.905353Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"rB/lPnXkdWVYaRwWT1ULWsqTqtAmht7qSwj6e418tJXtqS8FmPJROxEKXu5XElPcNB3QS0UEh8IkUhazHxzCDw==","signature_status":"signed_v1","signed_at":"2026-05-18T01:11:36.905723Z","signed_message":"canonical_sha256_bytes"},"source_id":"1607.00510","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:846a3443237eba74a86b63dfe26d25ea06670dd9bc33609ba5aa7c732d835be0","sha256:668a1855cf586464db4b078945374f4531402f2ba73889c3898ac812129b088b"],"state_sha256":"85c0f3916f89d95bff688d85d2168a92561b439411a7c9cea402eadb16fbc94f"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"JEMG97TbpuTKAPqg/vM2henLv3d0Qf4OQWlEnqzniJdFzp5tWFhWRW2FSOgpoJ1dDtbULvbUtkO9Zw6Ynt3QDQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-28T15:43:51.810561Z","bundle_sha256":"0d65824645b1ec7c3519e9cd0a745da2782c9bc46bf017da95f3c71fddef1ff5"}}