{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2022:HYAMTJDTJY7XKI7PCUBDOOF2VT","short_pith_number":"pith:HYAMTJDT","canonical_record":{"source":{"id":"2205.12079","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.SP","submitted_at":"2022-05-24T13:59:57Z","cross_cats_sorted":[],"title_canon_sha256":"f60630a6c17160c470f58c0519f582485756007fc17dc270155c49d2f0b8d693","abstract_canon_sha256":"51f629e872819cb68749231c27628feb414be79a5a8007b546031fd5f21fc9e4"},"schema_version":"1.0"},"canonical_sha256":"3e00c9a4734e3f7523ef15023738baacd912810dbbd63cee3e0aae81d5e509c9","source":{"kind":"arxiv","id":"2205.12079","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2205.12079","created_at":"2026-07-05T04:26:11Z"},{"alias_kind":"arxiv_version","alias_value":"2205.12079v1","created_at":"2026-07-05T04:26:11Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2205.12079","created_at":"2026-07-05T04:26:11Z"},{"alias_kind":"pith_short_12","alias_value":"HYAMTJDTJY7X","created_at":"2026-07-05T04:26:11Z"},{"alias_kind":"pith_short_16","alias_value":"HYAMTJDTJY7XKI7P","created_at":"2026-07-05T04:26:11Z"},{"alias_kind":"pith_short_8","alias_value":"HYAMTJDT","created_at":"2026-07-05T04:26:11Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2022:HYAMTJDTJY7XKI7PCUBDOOF2VT","target":"record","payload":{"canonical_record":{"source":{"id":"2205.12079","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.SP","submitted_at":"2022-05-24T13:59:57Z","cross_cats_sorted":[],"title_canon_sha256":"f60630a6c17160c470f58c0519f582485756007fc17dc270155c49d2f0b8d693","abstract_canon_sha256":"51f629e872819cb68749231c27628feb414be79a5a8007b546031fd5f21fc9e4"},"schema_version":"1.0"},"canonical_sha256":"3e00c9a4734e3f7523ef15023738baacd912810dbbd63cee3e0aae81d5e509c9","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T04:26:11.156509Z","signature_b64":"torJZ475uGMf0cxICpqrqTV1Hb99uc5/+95Q3gXnTWxnL6JZyAroUzyrFMRE6h/Kdbxo+/a8qrbQn2wEkqV5Dw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"3e00c9a4734e3f7523ef15023738baacd912810dbbd63cee3e0aae81d5e509c9","last_reissued_at":"2026-07-05T04:26:11.156159Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T04:26:11.156159Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2205.12079","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":"2026-07-05T04:26:11Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"NlW+/Vs0TKJDlpmvgUxyBvkip/PqVk3OojMhWSQ7fcnR+g2zYNXKk8S64zUdEDdQ27s78t9elcZRtMq1wZ9HCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-21T13:43:42.555996Z"},"content_sha256":"37e6803b8c40677eb56abb53e2d0db838e218c1c1808431c678ebe0e999934f0","schema_version":"1.0","event_id":"sha256:37e6803b8c40677eb56abb53e2d0db838e218c1c1808431c678ebe0e999934f0"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2022:HYAMTJDTJY7XKI7PCUBDOOF2VT","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Reconfigurable Intelligent Surfaces for Energy Efficiency in Full-duplex Communication System","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"eess.SP","authors_text":"Hongkang Yu, Pengxin Guan, Yiru Wang, Yuping Zhao","submitted_at":"2022-05-24T13:59:57Z","abstract_excerpt":"In this letter, we study the reconfigurable intelligent surfaces (RIS) aided full-duplex (FD) communication system. By jointly designing the active beamforming of two multi-antenna sources and passive beamforming of RIS, we aim to maximize the energy efficiency of the system, where extra self-interference cancellation power consumption in FD system is also considered. We divide the optimization problem into active and passive beamforming design subproblems, and adopt the alternative optimization framework to solve them iteratively. Dinkelbach's method is used to tackle the fractional objective"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2205.12079","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2205.12079/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":"2026-07-05T04:26:11Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"tq/1hNo86PWIstd5eICiuSKxFWJJqDkJDQlCnVl8FlZuTw3gKM5yG3OYjgprggZvpNqCaCI1owqpuF+B9S4IBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-21T13:43:42.556794Z"},"content_sha256":"713fa7600385b77d4d54083ed1b11e7adebf872f6d229473be520d0522545a2f","schema_version":"1.0","event_id":"sha256:713fa7600385b77d4d54083ed1b11e7adebf872f6d229473be520d0522545a2f"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/HYAMTJDTJY7XKI7PCUBDOOF2VT/bundle.json","state_url":"https://pith.science/pith/HYAMTJDTJY7XKI7PCUBDOOF2VT/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/HYAMTJDTJY7XKI7PCUBDOOF2VT/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":"2026-08-21T13:43:42Z","links":{"resolver":"https://pith.science/pith/HYAMTJDTJY7XKI7PCUBDOOF2VT","bundle":"https://pith.science/pith/HYAMTJDTJY7XKI7PCUBDOOF2VT/bundle.json","state":"https://pith.science/pith/HYAMTJDTJY7XKI7PCUBDOOF2VT/state.json","well_known_bundle":"https://pith.science/.well-known/pith/HYAMTJDTJY7XKI7PCUBDOOF2VT/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2022:HYAMTJDTJY7XKI7PCUBDOOF2VT","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":"51f629e872819cb68749231c27628feb414be79a5a8007b546031fd5f21fc9e4","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.SP","submitted_at":"2022-05-24T13:59:57Z","title_canon_sha256":"f60630a6c17160c470f58c0519f582485756007fc17dc270155c49d2f0b8d693"},"schema_version":"1.0","source":{"id":"2205.12079","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2205.12079","created_at":"2026-07-05T04:26:11Z"},{"alias_kind":"arxiv_version","alias_value":"2205.12079v1","created_at":"2026-07-05T04:26:11Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2205.12079","created_at":"2026-07-05T04:26:11Z"},{"alias_kind":"pith_short_12","alias_value":"HYAMTJDTJY7X","created_at":"2026-07-05T04:26:11Z"},{"alias_kind":"pith_short_16","alias_value":"HYAMTJDTJY7XKI7P","created_at":"2026-07-05T04:26:11Z"},{"alias_kind":"pith_short_8","alias_value":"HYAMTJDT","created_at":"2026-07-05T04:26:11Z"}],"graph_snapshots":[{"event_id":"sha256:713fa7600385b77d4d54083ed1b11e7adebf872f6d229473be520d0522545a2f","target":"graph","created_at":"2026-07-05T04:26:11Z","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/2205.12079/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"In this letter, we study the reconfigurable intelligent surfaces (RIS) aided full-duplex (FD) communication system. By jointly designing the active beamforming of two multi-antenna sources and passive beamforming of RIS, we aim to maximize the energy efficiency of the system, where extra self-interference cancellation power consumption in FD system is also considered. We divide the optimization problem into active and passive beamforming design subproblems, and adopt the alternative optimization framework to solve them iteratively. Dinkelbach's method is used to tackle the fractional objective","authors_text":"Hongkang Yu, Pengxin Guan, Yiru Wang, Yuping Zhao","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.SP","submitted_at":"2022-05-24T13:59:57Z","title":"Reconfigurable Intelligent Surfaces for Energy Efficiency in Full-duplex Communication System"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2205.12079","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":"sha256:37e6803b8c40677eb56abb53e2d0db838e218c1c1808431c678ebe0e999934f0","target":"record","created_at":"2026-07-05T04:26:11Z","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":"51f629e872819cb68749231c27628feb414be79a5a8007b546031fd5f21fc9e4","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.SP","submitted_at":"2022-05-24T13:59:57Z","title_canon_sha256":"f60630a6c17160c470f58c0519f582485756007fc17dc270155c49d2f0b8d693"},"schema_version":"1.0","source":{"id":"2205.12079","kind":"arxiv","version":1}},"canonical_sha256":"3e00c9a4734e3f7523ef15023738baacd912810dbbd63cee3e0aae81d5e509c9","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"3e00c9a4734e3f7523ef15023738baacd912810dbbd63cee3e0aae81d5e509c9","first_computed_at":"2026-07-05T04:26:11.156159Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T04:26:11.156159Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"torJZ475uGMf0cxICpqrqTV1Hb99uc5/+95Q3gXnTWxnL6JZyAroUzyrFMRE6h/Kdbxo+/a8qrbQn2wEkqV5Dw==","signature_status":"signed_v1","signed_at":"2026-07-05T04:26:11.156509Z","signed_message":"canonical_sha256_bytes"},"source_id":"2205.12079","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:37e6803b8c40677eb56abb53e2d0db838e218c1c1808431c678ebe0e999934f0","sha256:713fa7600385b77d4d54083ed1b11e7adebf872f6d229473be520d0522545a2f"],"state_sha256":"a798c4f45637523b634b2f9b13b6caa7670f8525b9512a3d8d62c3f15bb6512a"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"LwliV4xOtiKY/6bYFFKvaNiqQ48YnH/1jrkgT9bOXcbmr75Ls8Zi3Thqaph3N1YVXJO/YWTa6M22FEShmqtBBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-21T13:43:42.560543Z","bundle_sha256":"ae0fba99dc6d518cf27c111f451e1a89b8b208e4dd3667f16faf62f8def1a3ab"}}