{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:YFK3C5BSN2XXEGSQ3OL6T3QKLL","short_pith_number":"pith:YFK3C5BS","canonical_record":{"source":{"id":"1708.06498","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2017-08-22T05:18:06Z","cross_cats_sorted":["math.IT"],"title_canon_sha256":"0dcb8820acad550298979700af973ffd9955966047de03b90104ab05a6ca7166","abstract_canon_sha256":"3c17f6882fc1b2a0658899317ff041b2eb41efebdc88b1ef4c3c686c638c7c4a"},"schema_version":"1.0"},"canonical_sha256":"c155b174326eaf721a50db97e9ee0a5aee77abfc33df0cfe12dffd99f293dc37","source":{"kind":"arxiv","id":"1708.06498","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1708.06498","created_at":"2026-05-18T00:28:06Z"},{"alias_kind":"arxiv_version","alias_value":"1708.06498v2","created_at":"2026-05-18T00:28:06Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1708.06498","created_at":"2026-05-18T00:28:06Z"},{"alias_kind":"pith_short_12","alias_value":"YFK3C5BSN2XX","created_at":"2026-05-18T12:31:56Z"},{"alias_kind":"pith_short_16","alias_value":"YFK3C5BSN2XXEGSQ","created_at":"2026-05-18T12:31:56Z"},{"alias_kind":"pith_short_8","alias_value":"YFK3C5BS","created_at":"2026-05-18T12:31:56Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:YFK3C5BSN2XXEGSQ3OL6T3QKLL","target":"record","payload":{"canonical_record":{"source":{"id":"1708.06498","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2017-08-22T05:18:06Z","cross_cats_sorted":["math.IT"],"title_canon_sha256":"0dcb8820acad550298979700af973ffd9955966047de03b90104ab05a6ca7166","abstract_canon_sha256":"3c17f6882fc1b2a0658899317ff041b2eb41efebdc88b1ef4c3c686c638c7c4a"},"schema_version":"1.0"},"canonical_sha256":"c155b174326eaf721a50db97e9ee0a5aee77abfc33df0cfe12dffd99f293dc37","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:28:06.761214Z","signature_b64":"1T1pKC34/tload5hKoviHbGR7Ho2EBQFWp3/oOWXnLeEnmiU0dKVcNDaG65DK4a5iMH45DAQdNRS6aUH+taQCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c155b174326eaf721a50db97e9ee0a5aee77abfc33df0cfe12dffd99f293dc37","last_reissued_at":"2026-05-18T00:28:06.760375Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:28:06.760375Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1708.06498","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T00:28:06Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Co4Vd3m8+jdvRdaby5294QHfFjmuWpdFQQbgyXbUIkm/Tepe/ZmmsCirTZB3xjvCiQwUCB/b4SL+8cUbbuI2BQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-04T13:55:06.811295Z"},"content_sha256":"1c684082466883c823a79f7085524917fdae8412f76a5a1dc0158c6353cc6c74","schema_version":"1.0","event_id":"sha256:1c684082466883c823a79f7085524917fdae8412f76a5a1dc0158c6353cc6c74"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:YFK3C5BSN2XXEGSQ3OL6T3QKLL","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"A Novel Network NOMA Scheme for Downlink Coordinated Three-Point Systems","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["math.IT"],"primary_cat":"cs.IT","authors_text":"George K. Karagiannidis, Xuchu Dai, Yanshi Sun, Zhiguo Ding","submitted_at":"2017-08-22T05:18:06Z","abstract_excerpt":"In this paper, we propose a network non-orthogonal multiple access (N-NOMA) technique for the downlink coordinated multipoint (CoMP) communication scenario of a cellular network, with randomly deployed users. In the considered N-NOMA scheme, superposition coding (SC) is employed to serve cell-edge users as well as users close to base stations (BSs) simultaneously, and distributed analog beamforming by the BSs to meet the cell-edge user's quality of service (QoS) requirements. The combination of SC and distributed analog beamforming significantly complicates the expressions for the signal-to-in"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1708.06498","kind":"arxiv","version":2},"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":"2026-05-18T00:28:06Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"JTX+gzFc/1tjvVA5r3MUXdiFRUvMxaOrfJU2Lp+gU0snhZ6O+VZLDAc1hNb66Mddvkg7pT078J/McjygqSR6CA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-04T13:55:06.811665Z"},"content_sha256":"79aba490616c8143766b16e7f4b62d38243fe3631130e8f91661dd42007b8203","schema_version":"1.0","event_id":"sha256:79aba490616c8143766b16e7f4b62d38243fe3631130e8f91661dd42007b8203"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/YFK3C5BSN2XXEGSQ3OL6T3QKLL/bundle.json","state_url":"https://pith.science/pith/YFK3C5BSN2XXEGSQ3OL6T3QKLL/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/YFK3C5BSN2XXEGSQ3OL6T3QKLL/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":"2026-06-04T13:55:06Z","links":{"resolver":"https://pith.science/pith/YFK3C5BSN2XXEGSQ3OL6T3QKLL","bundle":"https://pith.science/pith/YFK3C5BSN2XXEGSQ3OL6T3QKLL/bundle.json","state":"https://pith.science/pith/YFK3C5BSN2XXEGSQ3OL6T3QKLL/state.json","well_known_bundle":"https://pith.science/.well-known/pith/YFK3C5BSN2XXEGSQ3OL6T3QKLL/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:YFK3C5BSN2XXEGSQ3OL6T3QKLL","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":"3c17f6882fc1b2a0658899317ff041b2eb41efebdc88b1ef4c3c686c638c7c4a","cross_cats_sorted":["math.IT"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2017-08-22T05:18:06Z","title_canon_sha256":"0dcb8820acad550298979700af973ffd9955966047de03b90104ab05a6ca7166"},"schema_version":"1.0","source":{"id":"1708.06498","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1708.06498","created_at":"2026-05-18T00:28:06Z"},{"alias_kind":"arxiv_version","alias_value":"1708.06498v2","created_at":"2026-05-18T00:28:06Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1708.06498","created_at":"2026-05-18T00:28:06Z"},{"alias_kind":"pith_short_12","alias_value":"YFK3C5BSN2XX","created_at":"2026-05-18T12:31:56Z"},{"alias_kind":"pith_short_16","alias_value":"YFK3C5BSN2XXEGSQ","created_at":"2026-05-18T12:31:56Z"},{"alias_kind":"pith_short_8","alias_value":"YFK3C5BS","created_at":"2026-05-18T12:31:56Z"}],"graph_snapshots":[{"event_id":"sha256:79aba490616c8143766b16e7f4b62d38243fe3631130e8f91661dd42007b8203","target":"graph","created_at":"2026-05-18T00:28:06Z","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":"In this paper, we propose a network non-orthogonal multiple access (N-NOMA) technique for the downlink coordinated multipoint (CoMP) communication scenario of a cellular network, with randomly deployed users. In the considered N-NOMA scheme, superposition coding (SC) is employed to serve cell-edge users as well as users close to base stations (BSs) simultaneously, and distributed analog beamforming by the BSs to meet the cell-edge user's quality of service (QoS) requirements. The combination of SC and distributed analog beamforming significantly complicates the expressions for the signal-to-in","authors_text":"George K. Karagiannidis, Xuchu Dai, Yanshi Sun, Zhiguo Ding","cross_cats":["math.IT"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2017-08-22T05:18:06Z","title":"A Novel Network NOMA Scheme for Downlink Coordinated Three-Point Systems"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1708.06498","kind":"arxiv","version":2},"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":"sha256:1c684082466883c823a79f7085524917fdae8412f76a5a1dc0158c6353cc6c74","target":"record","created_at":"2026-05-18T00:28:06Z","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":"3c17f6882fc1b2a0658899317ff041b2eb41efebdc88b1ef4c3c686c638c7c4a","cross_cats_sorted":["math.IT"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2017-08-22T05:18:06Z","title_canon_sha256":"0dcb8820acad550298979700af973ffd9955966047de03b90104ab05a6ca7166"},"schema_version":"1.0","source":{"id":"1708.06498","kind":"arxiv","version":2}},"canonical_sha256":"c155b174326eaf721a50db97e9ee0a5aee77abfc33df0cfe12dffd99f293dc37","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"c155b174326eaf721a50db97e9ee0a5aee77abfc33df0cfe12dffd99f293dc37","first_computed_at":"2026-05-18T00:28:06.760375Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:28:06.760375Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"1T1pKC34/tload5hKoviHbGR7Ho2EBQFWp3/oOWXnLeEnmiU0dKVcNDaG65DK4a5iMH45DAQdNRS6aUH+taQCw==","signature_status":"signed_v1","signed_at":"2026-05-18T00:28:06.761214Z","signed_message":"canonical_sha256_bytes"},"source_id":"1708.06498","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:1c684082466883c823a79f7085524917fdae8412f76a5a1dc0158c6353cc6c74","sha256:79aba490616c8143766b16e7f4b62d38243fe3631130e8f91661dd42007b8203"],"state_sha256":"44d59675a5a53ac735aa221a0e6d4dde962844e1ab1b6320548f6c8c868938d6"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"YNsUaqZATk+2S4YpExPaG5+0nGJ9GDvn3lHQ9oKI7/y4doTuNzgvQ+mGZ9tbVoc2sW7htf0PNaiSY7JQ+Yn+Cg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-04T13:55:06.813839Z","bundle_sha256":"9b799a6d6b0af38106ba4a50a7591ea3fa9a1be51151d1c50a8938af5410d989"}}