{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2024:BGFOKREKAWSZTEHLQ2HIIB7SQF","short_pith_number":"pith:BGFOKREK","canonical_record":{"source":{"id":"2402.18231","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.SP","submitted_at":"2024-02-28T10:53:50Z","cross_cats_sorted":[],"title_canon_sha256":"fa789bb4b294cd3ee6205babc2f1a60610963d4f67129d6663cde2b234bdc80d","abstract_canon_sha256":"8bf0688e05ffa9640882446f23d3b488113c0f99605cbf429bae9bc6c37bbdcc"},"schema_version":"1.0"},"canonical_sha256":"098ae5448a05a59990eb868e8407f281402cc02f3a955161b6adf0dd42481c25","source":{"kind":"arxiv","id":"2402.18231","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2402.18231","created_at":"2026-07-05T07:50:14Z"},{"alias_kind":"arxiv_version","alias_value":"2402.18231v1","created_at":"2026-07-05T07:50:14Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2402.18231","created_at":"2026-07-05T07:50:14Z"},{"alias_kind":"pith_short_12","alias_value":"BGFOKREKAWSZ","created_at":"2026-07-05T07:50:14Z"},{"alias_kind":"pith_short_16","alias_value":"BGFOKREKAWSZTEHL","created_at":"2026-07-05T07:50:14Z"},{"alias_kind":"pith_short_8","alias_value":"BGFOKREK","created_at":"2026-07-05T07:50:14Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2024:BGFOKREKAWSZTEHLQ2HIIB7SQF","target":"record","payload":{"canonical_record":{"source":{"id":"2402.18231","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.SP","submitted_at":"2024-02-28T10:53:50Z","cross_cats_sorted":[],"title_canon_sha256":"fa789bb4b294cd3ee6205babc2f1a60610963d4f67129d6663cde2b234bdc80d","abstract_canon_sha256":"8bf0688e05ffa9640882446f23d3b488113c0f99605cbf429bae9bc6c37bbdcc"},"schema_version":"1.0"},"canonical_sha256":"098ae5448a05a59990eb868e8407f281402cc02f3a955161b6adf0dd42481c25","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T07:50:14.079111Z","signature_b64":"rqqlenfLj/ugfNUFETeAjcaLgIM1ex9VCy1sr9Hl2WzmccVKPSnIWkCbBpp7OK7bmE7lEL2LG2Q3smlsxHQsDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"098ae5448a05a59990eb868e8407f281402cc02f3a955161b6adf0dd42481c25","last_reissued_at":"2026-07-05T07:50:14.078723Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T07:50:14.078723Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2402.18231","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":"2026-07-05T07:50:14Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"H7oNwehLbcIzdcQebBOhN0KlMFO7Fx463NyIXw1dGGTNDpF8V26JnP8wclzbtZ/aBB46tRX6j/UkI0NMg7USBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-17T09:44:31.413169Z"},"content_sha256":"70b2932fb67a6aafd422b0684685b2c99e4807417f33e39a0b5c4f45ae20985f","schema_version":"1.0","event_id":"sha256:70b2932fb67a6aafd422b0684685b2c99e4807417f33e39a0b5c4f45ae20985f"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2024:BGFOKREKAWSZTEHLQ2HIIB7SQF","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Joint Beamforming Design and Stream Allocation for Non-Coherent Joint Transmission in Cell-Free MIMO Networks","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"eess.SP","authors_text":"Juncheng Wang, Qingjiang Shi, Xiaotong Zhao, Xi Wang, You Li","submitted_at":"2024-02-28T10:53:50Z","abstract_excerpt":"We consider joint beamforming and stream allocation to maximize the weighted sum rate (WSR) for non-coherent joint transmission (NCJT) in user-centric cell-free MIMO networks, where distributed access points (APs) are organized in clusters to transmit different signals to serve each user equipment (UE). We for the first time consider the common limits of maximum number of receive streams at UEs in practical networks, and formulate a joint beamforming and transmit stream allocation problem for WSR maximization under per-AP transmit power constraints. Since the integer number of transmit streams"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2402.18231","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/2402.18231/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":"2026-07-05T07:50:14Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"xGOAh0BRGZbIm8x9PXYaro7FjVkQL4MCHVWu3jpDqxjzkPbPfjqYGxFmIdsaay2/zsJOK5jC7P3Jeebh4CrRDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-17T09:44:31.413671Z"},"content_sha256":"622919ae5fe9f82cc722670e2ddd79d367fcd1467367e2c615fb815f98205b2a","schema_version":"1.0","event_id":"sha256:622919ae5fe9f82cc722670e2ddd79d367fcd1467367e2c615fb815f98205b2a"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/BGFOKREKAWSZTEHLQ2HIIB7SQF/bundle.json","state_url":"https://pith.science/pith/BGFOKREKAWSZTEHLQ2HIIB7SQF/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/BGFOKREKAWSZTEHLQ2HIIB7SQF/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":"2026-08-17T09:44:31Z","links":{"resolver":"https://pith.science/pith/BGFOKREKAWSZTEHLQ2HIIB7SQF","bundle":"https://pith.science/pith/BGFOKREKAWSZTEHLQ2HIIB7SQF/bundle.json","state":"https://pith.science/pith/BGFOKREKAWSZTEHLQ2HIIB7SQF/state.json","well_known_bundle":"https://pith.science/.well-known/pith/BGFOKREKAWSZTEHLQ2HIIB7SQF/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2024:BGFOKREKAWSZTEHLQ2HIIB7SQF","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":"8bf0688e05ffa9640882446f23d3b488113c0f99605cbf429bae9bc6c37bbdcc","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.SP","submitted_at":"2024-02-28T10:53:50Z","title_canon_sha256":"fa789bb4b294cd3ee6205babc2f1a60610963d4f67129d6663cde2b234bdc80d"},"schema_version":"1.0","source":{"id":"2402.18231","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2402.18231","created_at":"2026-07-05T07:50:14Z"},{"alias_kind":"arxiv_version","alias_value":"2402.18231v1","created_at":"2026-07-05T07:50:14Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2402.18231","created_at":"2026-07-05T07:50:14Z"},{"alias_kind":"pith_short_12","alias_value":"BGFOKREKAWSZ","created_at":"2026-07-05T07:50:14Z"},{"alias_kind":"pith_short_16","alias_value":"BGFOKREKAWSZTEHL","created_at":"2026-07-05T07:50:14Z"},{"alias_kind":"pith_short_8","alias_value":"BGFOKREK","created_at":"2026-07-05T07:50:14Z"}],"graph_snapshots":[{"event_id":"sha256:622919ae5fe9f82cc722670e2ddd79d367fcd1467367e2c615fb815f98205b2a","target":"graph","created_at":"2026-07-05T07:50:14Z","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/2402.18231/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We consider joint beamforming and stream allocation to maximize the weighted sum rate (WSR) for non-coherent joint transmission (NCJT) in user-centric cell-free MIMO networks, where distributed access points (APs) are organized in clusters to transmit different signals to serve each user equipment (UE). We for the first time consider the common limits of maximum number of receive streams at UEs in practical networks, and formulate a joint beamforming and transmit stream allocation problem for WSR maximization under per-AP transmit power constraints. Since the integer number of transmit streams","authors_text":"Juncheng Wang, Qingjiang Shi, Xiaotong Zhao, Xi Wang, You Li","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.SP","submitted_at":"2024-02-28T10:53:50Z","title":"Joint Beamforming Design and Stream Allocation for Non-Coherent Joint Transmission in Cell-Free MIMO Networks"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2402.18231","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":"sha256:70b2932fb67a6aafd422b0684685b2c99e4807417f33e39a0b5c4f45ae20985f","target":"record","created_at":"2026-07-05T07:50:14Z","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":"8bf0688e05ffa9640882446f23d3b488113c0f99605cbf429bae9bc6c37bbdcc","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.SP","submitted_at":"2024-02-28T10:53:50Z","title_canon_sha256":"fa789bb4b294cd3ee6205babc2f1a60610963d4f67129d6663cde2b234bdc80d"},"schema_version":"1.0","source":{"id":"2402.18231","kind":"arxiv","version":1}},"canonical_sha256":"098ae5448a05a59990eb868e8407f281402cc02f3a955161b6adf0dd42481c25","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"098ae5448a05a59990eb868e8407f281402cc02f3a955161b6adf0dd42481c25","first_computed_at":"2026-07-05T07:50:14.078723Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T07:50:14.078723Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"rqqlenfLj/ugfNUFETeAjcaLgIM1ex9VCy1sr9Hl2WzmccVKPSnIWkCbBpp7OK7bmE7lEL2LG2Q3smlsxHQsDQ==","signature_status":"signed_v1","signed_at":"2026-07-05T07:50:14.079111Z","signed_message":"canonical_sha256_bytes"},"source_id":"2402.18231","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:70b2932fb67a6aafd422b0684685b2c99e4807417f33e39a0b5c4f45ae20985f","sha256:622919ae5fe9f82cc722670e2ddd79d367fcd1467367e2c615fb815f98205b2a"],"state_sha256":"a3e107da6ca6d4f2bcec96a7e69b05aaf918c936be6183b1191557b8fc50a0b2"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"xNoe8ANtXpPhSnTVC3B5I4zDciv6tkiL/45CvPKuvea1Q/aEsT5AtgF92ZzggQ/33tmt/pMU7VZxy9kgxgivDg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-17T09:44:31.417975Z","bundle_sha256":"9d37c83fbf6e4739a734a44b41fc80f55129501d947c622d44c18af7a5d9ffb9"}}