{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2012:AQVS76JVHJ4SPPQYZCPLWMQC55","short_pith_number":"pith:AQVS76JV","schema_version":"1.0","canonical_sha256":"042b2ff9353a7927be18c89ebb3202ef5585f8361c70719de4b06358a346ae22","source":{"kind":"arxiv","id":"1210.1639","version":2},"attestation_state":"computed","paper":{"title":"Design and Characterization of a Full-duplex Multi-antenna System for WiFi networks","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.NI","authors_text":"Ashutosh Sabharwal, Christopher Rice, K. K. Ramakrishnan, Melissa Duarte, N. K. Shankaranarayanan, Rittwik Jana, Vaneet Aggarwal","submitted_at":"2012-10-05T03:40:45Z","abstract_excerpt":"In this paper, we present an experimental and simulation based study to evaluate the use of full-duplex as a mode in practical IEEE 802.11 networks. To enable the study, we designed a 20 MHz multi-antenna OFDM full-duplex physical layer and a full-duplex capable MAC protocol which is backward compatible with current 802.11. Our extensive over-the-air experiments, simulations and analysis demonstrate the following two results. First, the use of multiple antennas at the physical layer leads to a higher ergodic throughput than its hardware-equivalent multi-antenna half-duplex counterparts, for SN"},"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":"1210.1639","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.NI","submitted_at":"2012-10-05T03:40:45Z","cross_cats_sorted":[],"title_canon_sha256":"6d1ea572a8dca46ee6ad205f31f8d0903590e6ce9f14ebd789fd7c3f5a517224","abstract_canon_sha256":"635f8f92378a5ac582130f42ed6d4bb802daf9aa6e9318d96d499476ab3c908f"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:47:51.125849Z","signature_b64":"rZ12WeurQNHp4/NvnVIVgg6gQCsTP1dZmBbjthlnKFrciF+DhNn6GeJirOkj8HYkivfULEIycmwIWGA++JqNCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"042b2ff9353a7927be18c89ebb3202ef5585f8361c70719de4b06358a346ae22","last_reissued_at":"2026-05-18T02:47:51.125123Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:47:51.125123Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Design and Characterization of a Full-duplex Multi-antenna System for WiFi networks","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.NI","authors_text":"Ashutosh Sabharwal, Christopher Rice, K. K. Ramakrishnan, Melissa Duarte, N. K. Shankaranarayanan, Rittwik Jana, Vaneet Aggarwal","submitted_at":"2012-10-05T03:40:45Z","abstract_excerpt":"In this paper, we present an experimental and simulation based study to evaluate the use of full-duplex as a mode in practical IEEE 802.11 networks. To enable the study, we designed a 20 MHz multi-antenna OFDM full-duplex physical layer and a full-duplex capable MAC protocol which is backward compatible with current 802.11. Our extensive over-the-air experiments, simulations and analysis demonstrate the following two results. First, the use of multiple antennas at the physical layer leads to a higher ergodic throughput than its hardware-equivalent multi-antenna half-duplex counterparts, for SN"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1210.1639","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"},"aliases":[{"alias_kind":"arxiv","alias_value":"1210.1639","created_at":"2026-05-18T02:47:51.125243+00:00"},{"alias_kind":"arxiv_version","alias_value":"1210.1639v2","created_at":"2026-05-18T02:47:51.125243+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1210.1639","created_at":"2026-05-18T02:47:51.125243+00:00"},{"alias_kind":"pith_short_12","alias_value":"AQVS76JVHJ4S","created_at":"2026-05-18T12:26:58.693483+00:00"},{"alias_kind":"pith_short_16","alias_value":"AQVS76JVHJ4SPPQY","created_at":"2026-05-18T12:26:58.693483+00:00"},{"alias_kind":"pith_short_8","alias_value":"AQVS76JV","created_at":"2026-05-18T12:26:58.693483+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/AQVS76JVHJ4SPPQYZCPLWMQC55","json":"https://pith.science/pith/AQVS76JVHJ4SPPQYZCPLWMQC55.json","graph_json":"https://pith.science/api/pith-number/AQVS76JVHJ4SPPQYZCPLWMQC55/graph.json","events_json":"https://pith.science/api/pith-number/AQVS76JVHJ4SPPQYZCPLWMQC55/events.json","paper":"https://pith.science/paper/AQVS76JV"},"agent_actions":{"view_html":"https://pith.science/pith/AQVS76JVHJ4SPPQYZCPLWMQC55","download_json":"https://pith.science/pith/AQVS76JVHJ4SPPQYZCPLWMQC55.json","view_paper":"https://pith.science/paper/AQVS76JV","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1210.1639&json=true","fetch_graph":"https://pith.science/api/pith-number/AQVS76JVHJ4SPPQYZCPLWMQC55/graph.json","fetch_events":"https://pith.science/api/pith-number/AQVS76JVHJ4SPPQYZCPLWMQC55/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/AQVS76JVHJ4SPPQYZCPLWMQC55/action/timestamp_anchor","attest_storage":"https://pith.science/pith/AQVS76JVHJ4SPPQYZCPLWMQC55/action/storage_attestation","attest_author":"https://pith.science/pith/AQVS76JVHJ4SPPQYZCPLWMQC55/action/author_attestation","sign_citation":"https://pith.science/pith/AQVS76JVHJ4SPPQYZCPLWMQC55/action/citation_signature","submit_replication":"https://pith.science/pith/AQVS76JVHJ4SPPQYZCPLWMQC55/action/replication_record"}},"created_at":"2026-05-18T02:47:51.125243+00:00","updated_at":"2026-05-18T02:47:51.125243+00:00"}