{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2013:GGRLGX6I3SI5RZCN74NO2CRBG7","short_pith_number":"pith:GGRLGX6I","schema_version":"1.0","canonical_sha256":"31a2b35fc8dc91d8e44dff1aed0a2137dfb3ad8eb8b5fa155785e3cb6ab0cd21","source":{"kind":"arxiv","id":"1302.7264","version":1},"attestation_state":"computed","paper":{"title":"A Practical Cooperative Multicell MIMO-OFDMA Network Based on Rank Coordination","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["math.IT"],"primary_cat":"cs.IT","authors_text":"Bruno Clerckx, Gil Kim, Heunchul Lee, Young-Jun Hong","submitted_at":"2013-02-28T17:16:53Z","abstract_excerpt":"An important challenge of wireless networks is to boost the cell edge performance and enable multi-stream transmissions to cell edge users. Interference mitigation techniques relying on multiple antennas and coordination among cells are nowadays heavily studied in the literature. Typical strategies in OFDMA networks include coordinated scheduling, beamforming and power control. In this paper, we propose a novel and practical type of coordination for OFDMA downlink networks relying on multiple antennas at the transmitter and the receiver. The transmission ranks, i.e.\\ the number of transmitted "},"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":"1302.7264","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2013-02-28T17:16:53Z","cross_cats_sorted":["math.IT"],"title_canon_sha256":"e99226f1795b4d9f6300bfd28e50eaf2381774ee31e39e41c521c70d8b73e444","abstract_canon_sha256":"fdfc17131a26bee3ca80271f73d52e1cb85491dfb61a4b690b93c7de5436f6fc"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:58:42.585566Z","signature_b64":"bgKAaVu2S2NWjx6SSyiPdrmioiSsnTKWO9K9pbccN352OgRPQk7yDXHn3dZ4+pEg4alii6paOmQm/DSXEFxaBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"31a2b35fc8dc91d8e44dff1aed0a2137dfb3ad8eb8b5fa155785e3cb6ab0cd21","last_reissued_at":"2026-05-18T00:58:42.584960Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:58:42.584960Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"A Practical Cooperative Multicell MIMO-OFDMA Network Based on Rank Coordination","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["math.IT"],"primary_cat":"cs.IT","authors_text":"Bruno Clerckx, Gil Kim, Heunchul Lee, Young-Jun Hong","submitted_at":"2013-02-28T17:16:53Z","abstract_excerpt":"An important challenge of wireless networks is to boost the cell edge performance and enable multi-stream transmissions to cell edge users. Interference mitigation techniques relying on multiple antennas and coordination among cells are nowadays heavily studied in the literature. Typical strategies in OFDMA networks include coordinated scheduling, beamforming and power control. In this paper, we propose a novel and practical type of coordination for OFDMA downlink networks relying on multiple antennas at the transmitter and the receiver. The transmission ranks, i.e.\\ the number of transmitted "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1302.7264","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":"1302.7264","created_at":"2026-05-18T00:58:42.585047+00:00"},{"alias_kind":"arxiv_version","alias_value":"1302.7264v1","created_at":"2026-05-18T00:58:42.585047+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1302.7264","created_at":"2026-05-18T00:58:42.585047+00:00"},{"alias_kind":"pith_short_12","alias_value":"GGRLGX6I3SI5","created_at":"2026-05-18T12:27:45.050594+00:00"},{"alias_kind":"pith_short_16","alias_value":"GGRLGX6I3SI5RZCN","created_at":"2026-05-18T12:27:45.050594+00:00"},{"alias_kind":"pith_short_8","alias_value":"GGRLGX6I","created_at":"2026-05-18T12:27:45.050594+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/GGRLGX6I3SI5RZCN74NO2CRBG7","json":"https://pith.science/pith/GGRLGX6I3SI5RZCN74NO2CRBG7.json","graph_json":"https://pith.science/api/pith-number/GGRLGX6I3SI5RZCN74NO2CRBG7/graph.json","events_json":"https://pith.science/api/pith-number/GGRLGX6I3SI5RZCN74NO2CRBG7/events.json","paper":"https://pith.science/paper/GGRLGX6I"},"agent_actions":{"view_html":"https://pith.science/pith/GGRLGX6I3SI5RZCN74NO2CRBG7","download_json":"https://pith.science/pith/GGRLGX6I3SI5RZCN74NO2CRBG7.json","view_paper":"https://pith.science/paper/GGRLGX6I","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1302.7264&json=true","fetch_graph":"https://pith.science/api/pith-number/GGRLGX6I3SI5RZCN74NO2CRBG7/graph.json","fetch_events":"https://pith.science/api/pith-number/GGRLGX6I3SI5RZCN74NO2CRBG7/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/GGRLGX6I3SI5RZCN74NO2CRBG7/action/timestamp_anchor","attest_storage":"https://pith.science/pith/GGRLGX6I3SI5RZCN74NO2CRBG7/action/storage_attestation","attest_author":"https://pith.science/pith/GGRLGX6I3SI5RZCN74NO2CRBG7/action/author_attestation","sign_citation":"https://pith.science/pith/GGRLGX6I3SI5RZCN74NO2CRBG7/action/citation_signature","submit_replication":"https://pith.science/pith/GGRLGX6I3SI5RZCN74NO2CRBG7/action/replication_record"}},"created_at":"2026-05-18T00:58:42.585047+00:00","updated_at":"2026-05-18T00:58:42.585047+00:00"}