{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:FOJPLBXNT3DXWFJ7SGLFA7NCWA","short_pith_number":"pith:FOJPLBXN","canonical_record":{"source":{"id":"1407.5747","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2014-07-22T06:21:39Z","cross_cats_sorted":["math.IT"],"title_canon_sha256":"8d3146c278eff745552ea2e95491cfee3b10c118998a0a204e83b84a892be359","abstract_canon_sha256":"3b71187099029a4f6d630f568430b166c877c0d2e3d41648e8f65d2833b5ce02"},"schema_version":"1.0"},"canonical_sha256":"2b92f586ed9ec77b153f9196507da2b022f6723d469c6be0fba882af393d0f7c","source":{"kind":"arxiv","id":"1407.5747","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1407.5747","created_at":"2026-05-18T02:47:06Z"},{"alias_kind":"arxiv_version","alias_value":"1407.5747v1","created_at":"2026-05-18T02:47:06Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1407.5747","created_at":"2026-05-18T02:47:06Z"},{"alias_kind":"pith_short_12","alias_value":"FOJPLBXNT3DX","created_at":"2026-05-18T12:28:28Z"},{"alias_kind":"pith_short_16","alias_value":"FOJPLBXNT3DXWFJ7","created_at":"2026-05-18T12:28:28Z"},{"alias_kind":"pith_short_8","alias_value":"FOJPLBXN","created_at":"2026-05-18T12:28:28Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:FOJPLBXNT3DXWFJ7SGLFA7NCWA","target":"record","payload":{"canonical_record":{"source":{"id":"1407.5747","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2014-07-22T06:21:39Z","cross_cats_sorted":["math.IT"],"title_canon_sha256":"8d3146c278eff745552ea2e95491cfee3b10c118998a0a204e83b84a892be359","abstract_canon_sha256":"3b71187099029a4f6d630f568430b166c877c0d2e3d41648e8f65d2833b5ce02"},"schema_version":"1.0"},"canonical_sha256":"2b92f586ed9ec77b153f9196507da2b022f6723d469c6be0fba882af393d0f7c","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:47:06.709013Z","signature_b64":"3MVYBkzkA7/RrkkENeTrrp37K/u7iix3420j0ffR9rHCQFLDA+VklJ7vKVM2DDA8VKJn5RTPVcy9tQjnk8QXBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"2b92f586ed9ec77b153f9196507da2b022f6723d469c6be0fba882af393d0f7c","last_reissued_at":"2026-05-18T02:47:06.708331Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:47:06.708331Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1407.5747","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":"2026-05-18T02:47:06Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"o4GZUMkMBvQ6RPr1L/ugOnnvjIdQKyUVnXmK6FspZjjYQCMt1JMjEQRonesxQKMkFiH1d9ZMs2V1vIQqzC2OAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T04:19:59.796011Z"},"content_sha256":"4e619620df857ce331388c96e342bb9910426b2c0b38398e6d5f899d78132935","schema_version":"1.0","event_id":"sha256:4e619620df857ce331388c96e342bb9910426b2c0b38398e6d5f899d78132935"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:FOJPLBXNT3DXWFJ7SGLFA7NCWA","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Large-Scale MIMO versus Network MIMO for Multicell Interference Mitigation","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["math.IT"],"primary_cat":"cs.IT","authors_text":"Kianoush Hosseini, Raviraj S. Adve, Wei Yu","submitted_at":"2014-07-22T06:21:39Z","abstract_excerpt":"This paper compares two important downlink multicell interference mitigation techniques, namely, large-scale (LS) multiple-input multiple-output (MIMO) and network MIMO. We consider a cooperative wireless cellular system operating in time-division duplex (TDD) mode, wherein each cooperating cluster includes $B$ base-stations (BSs), each equipped with multiple antennas and scheduling $K$ single-antenna users. In an LS-MIMO system, each BS employs $BM$ antennas not only to serve its scheduled users, but also to null out interference caused to the other users within the cooperating cluster using "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1407.5747","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":"2026-05-18T02:47:06Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"FuUbqrZS63N3WK13ndKkrfl1NWLWW05BcNEl/f5lSCyY3crskvUlNoDKNzoUtO5luT6Fg1Nocw3IeU4/R1O/BQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T04:19:59.796362Z"},"content_sha256":"3c590523dc00085bd6df743ea7a1aa264f988b3718ef7378b0d75a0563d7e2bf","schema_version":"1.0","event_id":"sha256:3c590523dc00085bd6df743ea7a1aa264f988b3718ef7378b0d75a0563d7e2bf"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/FOJPLBXNT3DXWFJ7SGLFA7NCWA/bundle.json","state_url":"https://pith.science/pith/FOJPLBXNT3DXWFJ7SGLFA7NCWA/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/FOJPLBXNT3DXWFJ7SGLFA7NCWA/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":"2026-06-02T04:19:59Z","links":{"resolver":"https://pith.science/pith/FOJPLBXNT3DXWFJ7SGLFA7NCWA","bundle":"https://pith.science/pith/FOJPLBXNT3DXWFJ7SGLFA7NCWA/bundle.json","state":"https://pith.science/pith/FOJPLBXNT3DXWFJ7SGLFA7NCWA/state.json","well_known_bundle":"https://pith.science/.well-known/pith/FOJPLBXNT3DXWFJ7SGLFA7NCWA/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:FOJPLBXNT3DXWFJ7SGLFA7NCWA","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":"3b71187099029a4f6d630f568430b166c877c0d2e3d41648e8f65d2833b5ce02","cross_cats_sorted":["math.IT"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2014-07-22T06:21:39Z","title_canon_sha256":"8d3146c278eff745552ea2e95491cfee3b10c118998a0a204e83b84a892be359"},"schema_version":"1.0","source":{"id":"1407.5747","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1407.5747","created_at":"2026-05-18T02:47:06Z"},{"alias_kind":"arxiv_version","alias_value":"1407.5747v1","created_at":"2026-05-18T02:47:06Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1407.5747","created_at":"2026-05-18T02:47:06Z"},{"alias_kind":"pith_short_12","alias_value":"FOJPLBXNT3DX","created_at":"2026-05-18T12:28:28Z"},{"alias_kind":"pith_short_16","alias_value":"FOJPLBXNT3DXWFJ7","created_at":"2026-05-18T12:28:28Z"},{"alias_kind":"pith_short_8","alias_value":"FOJPLBXN","created_at":"2026-05-18T12:28:28Z"}],"graph_snapshots":[{"event_id":"sha256:3c590523dc00085bd6df743ea7a1aa264f988b3718ef7378b0d75a0563d7e2bf","target":"graph","created_at":"2026-05-18T02:47:06Z","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 compares two important downlink multicell interference mitigation techniques, namely, large-scale (LS) multiple-input multiple-output (MIMO) and network MIMO. We consider a cooperative wireless cellular system operating in time-division duplex (TDD) mode, wherein each cooperating cluster includes $B$ base-stations (BSs), each equipped with multiple antennas and scheduling $K$ single-antenna users. In an LS-MIMO system, each BS employs $BM$ antennas not only to serve its scheduled users, but also to null out interference caused to the other users within the cooperating cluster using ","authors_text":"Kianoush Hosseini, Raviraj S. Adve, Wei Yu","cross_cats":["math.IT"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2014-07-22T06:21:39Z","title":"Large-Scale MIMO versus Network MIMO for Multicell Interference Mitigation"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1407.5747","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":"sha256:4e619620df857ce331388c96e342bb9910426b2c0b38398e6d5f899d78132935","target":"record","created_at":"2026-05-18T02:47:06Z","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":"3b71187099029a4f6d630f568430b166c877c0d2e3d41648e8f65d2833b5ce02","cross_cats_sorted":["math.IT"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2014-07-22T06:21:39Z","title_canon_sha256":"8d3146c278eff745552ea2e95491cfee3b10c118998a0a204e83b84a892be359"},"schema_version":"1.0","source":{"id":"1407.5747","kind":"arxiv","version":1}},"canonical_sha256":"2b92f586ed9ec77b153f9196507da2b022f6723d469c6be0fba882af393d0f7c","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"2b92f586ed9ec77b153f9196507da2b022f6723d469c6be0fba882af393d0f7c","first_computed_at":"2026-05-18T02:47:06.708331Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:47:06.708331Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"3MVYBkzkA7/RrkkENeTrrp37K/u7iix3420j0ffR9rHCQFLDA+VklJ7vKVM2DDA8VKJn5RTPVcy9tQjnk8QXBQ==","signature_status":"signed_v1","signed_at":"2026-05-18T02:47:06.709013Z","signed_message":"canonical_sha256_bytes"},"source_id":"1407.5747","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:4e619620df857ce331388c96e342bb9910426b2c0b38398e6d5f899d78132935","sha256:3c590523dc00085bd6df743ea7a1aa264f988b3718ef7378b0d75a0563d7e2bf"],"state_sha256":"72f01d8b3c0a7ea804f8618191ba8d264776f694b2b0cbae69344ad39d3e20b8"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Pzm72J/wTUNx8subOc+WQ3e38v+sYTQJdO800yUGOXrnM3+F/WNC5+kxNCpW0jhxxKQBgr8Vx9WQap0cvc0WBQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-02T04:19:59.798219Z","bundle_sha256":"52850cbe0fa68075e6aec15e5f074b1aea79258f9a2308bc522654a621cc5781"}}