{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2018:3RRBMMAECIZ4ZRZME3SVDTXIV2","short_pith_number":"pith:3RRBMMAE","schema_version":"1.0","canonical_sha256":"dc621630041233ccc72c26e551cee8ae97ac1d9e8527a7c16aea30b8816671a2","source":{"kind":"arxiv","id":"1812.04810","version":1},"attestation_state":"computed","paper":{"title":"A Universal Receiver for Uplink NOMA Systems","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["math.IT"],"primary_cat":"cs.IT","authors_text":"Chao Wang, Xiangming Meng, Yan Chen, Yiqun Wu","submitted_at":"2018-12-12T05:29:48Z","abstract_excerpt":"Given its capability in efficient radio resource sharing, non-orthogonal multiple access (NOMA) has been identified as a promising technology in 5G to improve the system capacity, user connectivity, and scheduling latency. A dozen of uplink NOMA schemes have been proposed recently and this paper considers the design of a universal receiver suitable for all potential designs of NOMA schemes. Firstly, a general turbo-like iterative receiver structure is introduced, under which, a universal expectation propagation algorithm (EPA) detector with hybrid parallel interference cancellation (PIC) is pr"},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"1812.04810","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2018-12-12T05:29:48Z","cross_cats_sorted":["math.IT"],"title_canon_sha256":"8cea66030edcf7cf94b8dc59564bf20187cb2dbef2e1982a7051101c7b4d96c2","abstract_canon_sha256":"8faf189f0248e1835f59938a832187ffa43ceaff2396a4879164d2956b4f907e"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:58:27.301664Z","signature_b64":"GqtfL8PhFktV/8DsAytKmSArceqnZiCR7ot1Z7hHYale8hEmUxQz8eZXg/25LcE7ELn8TAb3hEr5itRI5AfQBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"dc621630041233ccc72c26e551cee8ae97ac1d9e8527a7c16aea30b8816671a2","last_reissued_at":"2026-05-17T23:58:27.301000Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:58:27.301000Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"A Universal Receiver for Uplink NOMA Systems","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["math.IT"],"primary_cat":"cs.IT","authors_text":"Chao Wang, Xiangming Meng, Yan Chen, Yiqun Wu","submitted_at":"2018-12-12T05:29:48Z","abstract_excerpt":"Given its capability in efficient radio resource sharing, non-orthogonal multiple access (NOMA) has been identified as a promising technology in 5G to improve the system capacity, user connectivity, and scheduling latency. A dozen of uplink NOMA schemes have been proposed recently and this paper considers the design of a universal receiver suitable for all potential designs of NOMA schemes. Firstly, a general turbo-like iterative receiver structure is introduced, under which, a universal expectation propagation algorithm (EPA) detector with hybrid parallel interference cancellation (PIC) is pr"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1812.04810","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"},"aliases":[{"alias_kind":"arxiv","alias_value":"1812.04810","created_at":"2026-05-17T23:58:27.301100+00:00"},{"alias_kind":"arxiv_version","alias_value":"1812.04810v1","created_at":"2026-05-17T23:58:27.301100+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1812.04810","created_at":"2026-05-17T23:58:27.301100+00:00"},{"alias_kind":"pith_short_12","alias_value":"3RRBMMAECIZ4","created_at":"2026-05-18T12:32:02.567920+00:00"},{"alias_kind":"pith_short_16","alias_value":"3RRBMMAECIZ4ZRZM","created_at":"2026-05-18T12:32:02.567920+00:00"},{"alias_kind":"pith_short_8","alias_value":"3RRBMMAE","created_at":"2026-05-18T12:32:02.567920+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/3RRBMMAECIZ4ZRZME3SVDTXIV2","json":"https://pith.science/pith/3RRBMMAECIZ4ZRZME3SVDTXIV2.json","graph_json":"https://pith.science/api/pith-number/3RRBMMAECIZ4ZRZME3SVDTXIV2/graph.json","events_json":"https://pith.science/api/pith-number/3RRBMMAECIZ4ZRZME3SVDTXIV2/events.json","paper":"https://pith.science/paper/3RRBMMAE"},"agent_actions":{"view_html":"https://pith.science/pith/3RRBMMAECIZ4ZRZME3SVDTXIV2","download_json":"https://pith.science/pith/3RRBMMAECIZ4ZRZME3SVDTXIV2.json","view_paper":"https://pith.science/paper/3RRBMMAE","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1812.04810&json=true","fetch_graph":"https://pith.science/api/pith-number/3RRBMMAECIZ4ZRZME3SVDTXIV2/graph.json","fetch_events":"https://pith.science/api/pith-number/3RRBMMAECIZ4ZRZME3SVDTXIV2/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/3RRBMMAECIZ4ZRZME3SVDTXIV2/action/timestamp_anchor","attest_storage":"https://pith.science/pith/3RRBMMAECIZ4ZRZME3SVDTXIV2/action/storage_attestation","attest_author":"https://pith.science/pith/3RRBMMAECIZ4ZRZME3SVDTXIV2/action/author_attestation","sign_citation":"https://pith.science/pith/3RRBMMAECIZ4ZRZME3SVDTXIV2/action/citation_signature","submit_replication":"https://pith.science/pith/3RRBMMAECIZ4ZRZME3SVDTXIV2/action/replication_record"}},"created_at":"2026-05-17T23:58:27.301100+00:00","updated_at":"2026-05-17T23:58:27.301100+00:00"}