{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2015:FJX7TPBIHVNFR5YM224DFCKOYA","short_pith_number":"pith:FJX7TPBI","schema_version":"1.0","canonical_sha256":"2a6ff9bc283d5a58f70cd6b832894ec028ccbf664492ecca76ae536aa122d921","source":{"kind":"arxiv","id":"1504.00934","version":5},"attestation_state":"computed","paper":{"title":"Non-Orthogonal Multiple Access for Visible Light Communications","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.ET","math.IT"],"primary_cat":"cs.IT","authors_text":"George K. Karagiannidis, Hanaa Marshoud, Sami Muhaidat, Vasileios M. Kapinas","submitted_at":"2015-04-03T20:12:13Z","abstract_excerpt":"The main limitation of visible light communication (VLC) is the narrow modulation bandwidth, which reduces the achievable data rates. In this paper, we apply the non-orthogonal multiple access (NOMA) scheme to enhance the achievable throughput in high-rate VLC downlink networks. We first propose a novel gain ratio power allocation (GRPA) strategy that takes into account the users' channel conditions to ensure efficient and fair power allocation. Our results indicate that GRPA significantly enhances system performance compared to the static power allocation. We also study the effect of tuning t"},"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":"1504.00934","kind":"arxiv","version":5},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2015-04-03T20:12:13Z","cross_cats_sorted":["cs.ET","math.IT"],"title_canon_sha256":"cde064824fb85cbea5bf6989d928e435150e0943d11b60b5017cb0d604fec876","abstract_canon_sha256":"21a9ff91076e05b430a3018c00e52a40333bc86d9f0cf600ad2d4096c47d1e23"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:25:47.171798Z","signature_b64":"X26TbZ1H74zcpjYabuUAnJ+OkfCe5kHClCqruZQzyMe2276XtX5ZXOtXdpVkDIGX5BJR1RIOhUU9J11OZZIXAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"2a6ff9bc283d5a58f70cd6b832894ec028ccbf664492ecca76ae536aa122d921","last_reissued_at":"2026-05-18T01:25:47.171067Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:25:47.171067Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Non-Orthogonal Multiple Access for Visible Light Communications","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.ET","math.IT"],"primary_cat":"cs.IT","authors_text":"George K. Karagiannidis, Hanaa Marshoud, Sami Muhaidat, Vasileios M. Kapinas","submitted_at":"2015-04-03T20:12:13Z","abstract_excerpt":"The main limitation of visible light communication (VLC) is the narrow modulation bandwidth, which reduces the achievable data rates. In this paper, we apply the non-orthogonal multiple access (NOMA) scheme to enhance the achievable throughput in high-rate VLC downlink networks. We first propose a novel gain ratio power allocation (GRPA) strategy that takes into account the users' channel conditions to ensure efficient and fair power allocation. Our results indicate that GRPA significantly enhances system performance compared to the static power allocation. We also study the effect of tuning t"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1504.00934","kind":"arxiv","version":5},"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":"1504.00934","created_at":"2026-05-18T01:25:47.171175+00:00"},{"alias_kind":"arxiv_version","alias_value":"1504.00934v5","created_at":"2026-05-18T01:25:47.171175+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1504.00934","created_at":"2026-05-18T01:25:47.171175+00:00"},{"alias_kind":"pith_short_12","alias_value":"FJX7TPBIHVNF","created_at":"2026-05-18T12:29:19.899920+00:00"},{"alias_kind":"pith_short_16","alias_value":"FJX7TPBIHVNFR5YM","created_at":"2026-05-18T12:29:19.899920+00:00"},{"alias_kind":"pith_short_8","alias_value":"FJX7TPBI","created_at":"2026-05-18T12:29:19.899920+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/FJX7TPBIHVNFR5YM224DFCKOYA","json":"https://pith.science/pith/FJX7TPBIHVNFR5YM224DFCKOYA.json","graph_json":"https://pith.science/api/pith-number/FJX7TPBIHVNFR5YM224DFCKOYA/graph.json","events_json":"https://pith.science/api/pith-number/FJX7TPBIHVNFR5YM224DFCKOYA/events.json","paper":"https://pith.science/paper/FJX7TPBI"},"agent_actions":{"view_html":"https://pith.science/pith/FJX7TPBIHVNFR5YM224DFCKOYA","download_json":"https://pith.science/pith/FJX7TPBIHVNFR5YM224DFCKOYA.json","view_paper":"https://pith.science/paper/FJX7TPBI","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1504.00934&json=true","fetch_graph":"https://pith.science/api/pith-number/FJX7TPBIHVNFR5YM224DFCKOYA/graph.json","fetch_events":"https://pith.science/api/pith-number/FJX7TPBIHVNFR5YM224DFCKOYA/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/FJX7TPBIHVNFR5YM224DFCKOYA/action/timestamp_anchor","attest_storage":"https://pith.science/pith/FJX7TPBIHVNFR5YM224DFCKOYA/action/storage_attestation","attest_author":"https://pith.science/pith/FJX7TPBIHVNFR5YM224DFCKOYA/action/author_attestation","sign_citation":"https://pith.science/pith/FJX7TPBIHVNFR5YM224DFCKOYA/action/citation_signature","submit_replication":"https://pith.science/pith/FJX7TPBIHVNFR5YM224DFCKOYA/action/replication_record"}},"created_at":"2026-05-18T01:25:47.171175+00:00","updated_at":"2026-05-18T01:25:47.171175+00:00"}