{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2015:OWIYSTWXJ4XGZ3VOOTTCSJ354U","short_pith_number":"pith:OWIYSTWX","schema_version":"1.0","canonical_sha256":"7591894ed74f2e6ceeae74e629277de52b005a5b4cc556101b6c5930ea974920","source":{"kind":"arxiv","id":"1504.05663","version":2},"attestation_state":"computed","paper":{"title":"Content-Centric Multicast Beamforming in Cache-Enabled Cloud Radio Access Networks","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["math.IT"],"primary_cat":"cs.IT","authors_text":"Erkai Chen, Hao Zhou, Meixia Tao, Wei Yu","submitted_at":"2015-04-22T06:04:35Z","abstract_excerpt":"Multicast transmission and wireless caching are effective ways of reducing air and backhaul traffic load in wireless networks. This paper proposes to incorporate these two key ideas for content-centric multicast transmission in a cloud radio access network (RAN) where multiple base stations (BSs) are connected to a central processor (CP) via finite-capacity backhaul links. Each BS has a cache with finite storage size and is equipped with multiple antennas. The BSs cooperatively transmit contents, which are either stored in the local cache or fetched from the CP, to multiple users in the networ"},"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":"1504.05663","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2015-04-22T06:04:35Z","cross_cats_sorted":["math.IT"],"title_canon_sha256":"4db859a553508c6855af332b2a7328b6ae83259f46803c138746140ffcf0da41","abstract_canon_sha256":"f85f629274a38af3fc64173909c031f40140f730be5b371a80dac283613ed53d"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:35:30.331309Z","signature_b64":"UFoJNBUz8TdldCntvio7BtVoEDEavnJtm8N+1iu//omvmMSOpHDRFKreymIRmX/z8y6sIfBl9VglqPt80wunDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"7591894ed74f2e6ceeae74e629277de52b005a5b4cc556101b6c5930ea974920","last_reissued_at":"2026-05-18T01:35:30.330753Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:35:30.330753Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Content-Centric Multicast Beamforming in Cache-Enabled Cloud Radio Access Networks","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["math.IT"],"primary_cat":"cs.IT","authors_text":"Erkai Chen, Hao Zhou, Meixia Tao, Wei Yu","submitted_at":"2015-04-22T06:04:35Z","abstract_excerpt":"Multicast transmission and wireless caching are effective ways of reducing air and backhaul traffic load in wireless networks. This paper proposes to incorporate these two key ideas for content-centric multicast transmission in a cloud radio access network (RAN) where multiple base stations (BSs) are connected to a central processor (CP) via finite-capacity backhaul links. Each BS has a cache with finite storage size and is equipped with multiple antennas. The BSs cooperatively transmit contents, which are either stored in the local cache or fetched from the CP, to multiple users in the networ"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1504.05663","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":"1504.05663","created_at":"2026-05-18T01:35:30.330844+00:00"},{"alias_kind":"arxiv_version","alias_value":"1504.05663v2","created_at":"2026-05-18T01:35:30.330844+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1504.05663","created_at":"2026-05-18T01:35:30.330844+00:00"},{"alias_kind":"pith_short_12","alias_value":"OWIYSTWXJ4XG","created_at":"2026-05-18T12:29:34.919912+00:00"},{"alias_kind":"pith_short_16","alias_value":"OWIYSTWXJ4XGZ3VO","created_at":"2026-05-18T12:29:34.919912+00:00"},{"alias_kind":"pith_short_8","alias_value":"OWIYSTWX","created_at":"2026-05-18T12:29:34.919912+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/OWIYSTWXJ4XGZ3VOOTTCSJ354U","json":"https://pith.science/pith/OWIYSTWXJ4XGZ3VOOTTCSJ354U.json","graph_json":"https://pith.science/api/pith-number/OWIYSTWXJ4XGZ3VOOTTCSJ354U/graph.json","events_json":"https://pith.science/api/pith-number/OWIYSTWXJ4XGZ3VOOTTCSJ354U/events.json","paper":"https://pith.science/paper/OWIYSTWX"},"agent_actions":{"view_html":"https://pith.science/pith/OWIYSTWXJ4XGZ3VOOTTCSJ354U","download_json":"https://pith.science/pith/OWIYSTWXJ4XGZ3VOOTTCSJ354U.json","view_paper":"https://pith.science/paper/OWIYSTWX","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1504.05663&json=true","fetch_graph":"https://pith.science/api/pith-number/OWIYSTWXJ4XGZ3VOOTTCSJ354U/graph.json","fetch_events":"https://pith.science/api/pith-number/OWIYSTWXJ4XGZ3VOOTTCSJ354U/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/OWIYSTWXJ4XGZ3VOOTTCSJ354U/action/timestamp_anchor","attest_storage":"https://pith.science/pith/OWIYSTWXJ4XGZ3VOOTTCSJ354U/action/storage_attestation","attest_author":"https://pith.science/pith/OWIYSTWXJ4XGZ3VOOTTCSJ354U/action/author_attestation","sign_citation":"https://pith.science/pith/OWIYSTWXJ4XGZ3VOOTTCSJ354U/action/citation_signature","submit_replication":"https://pith.science/pith/OWIYSTWXJ4XGZ3VOOTTCSJ354U/action/replication_record"}},"created_at":"2026-05-18T01:35:30.330844+00:00","updated_at":"2026-05-18T01:35:30.330844+00:00"}