{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2012:6KV6COTJHHNFMS6S545F4YGJ3G","short_pith_number":"pith:6KV6COTJ","schema_version":"1.0","canonical_sha256":"f2abe13a6939da564bd2ef3a5e60c9d9a436fdf9b74989b5ab44d91c05c17de4","source":{"kind":"arxiv","id":"1208.5071","version":1},"attestation_state":"computed","paper":{"title":"On the Synergistic Benefits of Alternating CSIT for the MISO BC","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["math.IT"],"primary_cat":"cs.IT","authors_text":"H. Vincent Poor, Ravi Tandon, Shlomo Shamai, Syed A. Jafar","submitted_at":"2012-08-24T22:06:30Z","abstract_excerpt":"The degrees of freedom (DoF) of the two-user multiple-input single-output (MISO) broadcast channel (BC) are studied under the assumption that the form, I_i, i=1,2, of the channel state information at the transmitter (CSIT) for each user's channel can be either perfect (P), delayed (D) or not available (N), i.e., I_1 and I_2 can take values of either P, D or N, and therefore the overall CSIT can alternate between the 9 resulting states, each state denoted as I_1I_2. The fraction of time associated with CSIT state I_1I_2 is denoted by the parameter \\lambda_{I_1I_2} and it is assumed throughout 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":"1208.5071","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2012-08-24T22:06:30Z","cross_cats_sorted":["math.IT"],"title_canon_sha256":"04245a486c068383257036584769bfc69f3a0a38af7f3b5aa1341385e4c917d6","abstract_canon_sha256":"f7fe5a35abbfd088f5989eddbf6b3c4fbc5846ebc72d25eb50ed08a4b8cf039c"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:47:00.457730Z","signature_b64":"Y9n9EXeieXSPlcbif4yt16LtsDLpNJINjSu1FHQPW3r6nkBnHlNLGmAk/LeqRik981HQyzODSyw5wDd1y3waDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f2abe13a6939da564bd2ef3a5e60c9d9a436fdf9b74989b5ab44d91c05c17de4","last_reissued_at":"2026-05-18T03:47:00.456908Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:47:00.456908Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"On the Synergistic Benefits of Alternating CSIT for the MISO BC","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["math.IT"],"primary_cat":"cs.IT","authors_text":"H. Vincent Poor, Ravi Tandon, Shlomo Shamai, Syed A. Jafar","submitted_at":"2012-08-24T22:06:30Z","abstract_excerpt":"The degrees of freedom (DoF) of the two-user multiple-input single-output (MISO) broadcast channel (BC) are studied under the assumption that the form, I_i, i=1,2, of the channel state information at the transmitter (CSIT) for each user's channel can be either perfect (P), delayed (D) or not available (N), i.e., I_1 and I_2 can take values of either P, D or N, and therefore the overall CSIT can alternate between the 9 resulting states, each state denoted as I_1I_2. The fraction of time associated with CSIT state I_1I_2 is denoted by the parameter \\lambda_{I_1I_2} and it is assumed throughout t"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1208.5071","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":"1208.5071","created_at":"2026-05-18T03:47:00.457041+00:00"},{"alias_kind":"arxiv_version","alias_value":"1208.5071v1","created_at":"2026-05-18T03:47:00.457041+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1208.5071","created_at":"2026-05-18T03:47:00.457041+00:00"},{"alias_kind":"pith_short_12","alias_value":"6KV6COTJHHNF","created_at":"2026-05-18T12:26:56.085431+00:00"},{"alias_kind":"pith_short_16","alias_value":"6KV6COTJHHNFMS6S","created_at":"2026-05-18T12:26:56.085431+00:00"},{"alias_kind":"pith_short_8","alias_value":"6KV6COTJ","created_at":"2026-05-18T12:26:56.085431+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/6KV6COTJHHNFMS6S545F4YGJ3G","json":"https://pith.science/pith/6KV6COTJHHNFMS6S545F4YGJ3G.json","graph_json":"https://pith.science/api/pith-number/6KV6COTJHHNFMS6S545F4YGJ3G/graph.json","events_json":"https://pith.science/api/pith-number/6KV6COTJHHNFMS6S545F4YGJ3G/events.json","paper":"https://pith.science/paper/6KV6COTJ"},"agent_actions":{"view_html":"https://pith.science/pith/6KV6COTJHHNFMS6S545F4YGJ3G","download_json":"https://pith.science/pith/6KV6COTJHHNFMS6S545F4YGJ3G.json","view_paper":"https://pith.science/paper/6KV6COTJ","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1208.5071&json=true","fetch_graph":"https://pith.science/api/pith-number/6KV6COTJHHNFMS6S545F4YGJ3G/graph.json","fetch_events":"https://pith.science/api/pith-number/6KV6COTJHHNFMS6S545F4YGJ3G/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/6KV6COTJHHNFMS6S545F4YGJ3G/action/timestamp_anchor","attest_storage":"https://pith.science/pith/6KV6COTJHHNFMS6S545F4YGJ3G/action/storage_attestation","attest_author":"https://pith.science/pith/6KV6COTJHHNFMS6S545F4YGJ3G/action/author_attestation","sign_citation":"https://pith.science/pith/6KV6COTJHHNFMS6S545F4YGJ3G/action/citation_signature","submit_replication":"https://pith.science/pith/6KV6COTJHHNFMS6S545F4YGJ3G/action/replication_record"}},"created_at":"2026-05-18T03:47:00.457041+00:00","updated_at":"2026-05-18T03:47:00.457041+00:00"}