{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2017:OUXXJ7VFBZ2MXHUDABA5LZRHSH","short_pith_number":"pith:OUXXJ7VF","schema_version":"1.0","canonical_sha256":"752f74fea50e74cb9e830041d5e62791fe71aca6f4263d9c6907806ab3328931","source":{"kind":"arxiv","id":"1703.00134","version":1},"attestation_state":"computed","paper":{"title":"Collision Resolution and Interference Elimination in Multiaccess Communication Networks","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.NI","authors_text":"Ahmed Tewfik, Naeem Akl","submitted_at":"2017-03-01T04:56:36Z","abstract_excerpt":"We define a multiaccess communication scheme that effectively eliminates interference and resolves collisions in many-to-one and many-to-many communication scenarios. Each transmitter is uniquely identified by a steering vector. All signals issued from a specific transmitter will be steered into the same single-dimensional or double-dimensional subspace at all receivers hearing this transmission. This subspace is orthogonal to the noise subspace at a receiver and the signals within the subspace can be extracted using the root-MUSIC method. At high SNR, local channel knowledge and strict synchr"},"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":"1703.00134","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.NI","submitted_at":"2017-03-01T04:56:36Z","cross_cats_sorted":[],"title_canon_sha256":"eb7a3f2e7d93d5ba9f7727c2ad6a00ae1885ba2a9070cbdce211cf639cd15139","abstract_canon_sha256":"3717670c1d3768cc12861d6424019cd69d3d531a305deb2f86bcf7ec033a4914"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:49:45.893630Z","signature_b64":"KsKs0dmAM8v3C4zX6mfXTt0/ggOXagjE5mLRdrEHLvBUbz5R43lPPq4RHWf/sQ3Y8ZcDxMxCHQdfust6rvBeBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"752f74fea50e74cb9e830041d5e62791fe71aca6f4263d9c6907806ab3328931","last_reissued_at":"2026-05-18T00:49:45.892861Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:49:45.892861Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Collision Resolution and Interference Elimination in Multiaccess Communication Networks","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.NI","authors_text":"Ahmed Tewfik, Naeem Akl","submitted_at":"2017-03-01T04:56:36Z","abstract_excerpt":"We define a multiaccess communication scheme that effectively eliminates interference and resolves collisions in many-to-one and many-to-many communication scenarios. Each transmitter is uniquely identified by a steering vector. All signals issued from a specific transmitter will be steered into the same single-dimensional or double-dimensional subspace at all receivers hearing this transmission. This subspace is orthogonal to the noise subspace at a receiver and the signals within the subspace can be extracted using the root-MUSIC method. At high SNR, local channel knowledge and strict synchr"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1703.00134","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":"1703.00134","created_at":"2026-05-18T00:49:45.892984+00:00"},{"alias_kind":"arxiv_version","alias_value":"1703.00134v1","created_at":"2026-05-18T00:49:45.892984+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1703.00134","created_at":"2026-05-18T00:49:45.892984+00:00"},{"alias_kind":"pith_short_12","alias_value":"OUXXJ7VFBZ2M","created_at":"2026-05-18T12:31:34.259226+00:00"},{"alias_kind":"pith_short_16","alias_value":"OUXXJ7VFBZ2MXHUD","created_at":"2026-05-18T12:31:34.259226+00:00"},{"alias_kind":"pith_short_8","alias_value":"OUXXJ7VF","created_at":"2026-05-18T12:31:34.259226+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/OUXXJ7VFBZ2MXHUDABA5LZRHSH","json":"https://pith.science/pith/OUXXJ7VFBZ2MXHUDABA5LZRHSH.json","graph_json":"https://pith.science/api/pith-number/OUXXJ7VFBZ2MXHUDABA5LZRHSH/graph.json","events_json":"https://pith.science/api/pith-number/OUXXJ7VFBZ2MXHUDABA5LZRHSH/events.json","paper":"https://pith.science/paper/OUXXJ7VF"},"agent_actions":{"view_html":"https://pith.science/pith/OUXXJ7VFBZ2MXHUDABA5LZRHSH","download_json":"https://pith.science/pith/OUXXJ7VFBZ2MXHUDABA5LZRHSH.json","view_paper":"https://pith.science/paper/OUXXJ7VF","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1703.00134&json=true","fetch_graph":"https://pith.science/api/pith-number/OUXXJ7VFBZ2MXHUDABA5LZRHSH/graph.json","fetch_events":"https://pith.science/api/pith-number/OUXXJ7VFBZ2MXHUDABA5LZRHSH/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/OUXXJ7VFBZ2MXHUDABA5LZRHSH/action/timestamp_anchor","attest_storage":"https://pith.science/pith/OUXXJ7VFBZ2MXHUDABA5LZRHSH/action/storage_attestation","attest_author":"https://pith.science/pith/OUXXJ7VFBZ2MXHUDABA5LZRHSH/action/author_attestation","sign_citation":"https://pith.science/pith/OUXXJ7VFBZ2MXHUDABA5LZRHSH/action/citation_signature","submit_replication":"https://pith.science/pith/OUXXJ7VFBZ2MXHUDABA5LZRHSH/action/replication_record"}},"created_at":"2026-05-18T00:49:45.892984+00:00","updated_at":"2026-05-18T00:49:45.892984+00:00"}