{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2014:F4LIZJPOYCP7UHRO6ACAFNPFSS","short_pith_number":"pith:F4LIZJPO","schema_version":"1.0","canonical_sha256":"2f168ca5eec09ffa1e2ef00402b5e594b716b8ac0eaad638b81b744b4a8892ad","source":{"kind":"arxiv","id":"1406.6852","version":3},"attestation_state":"computed","paper":{"title":"Frame Based Precoding in Satellite Communications: A Multicast Approach","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["math.IT"],"primary_cat":"cs.IT","authors_text":"Bjorn Ottersten, Dimitrios Christopoulos, Symeon Chatzinotas","submitted_at":"2014-06-26T11:47:38Z","abstract_excerpt":"In the present work, a multibeam satellite that employs aggressive frequency reuse towards increasing the offered throughput is considered. Focusing on the forward link, the goal is to employ multi-antenna signal processing techniques, namely linear precoding, to manage the inter-beam interferences. In this context, fundamental practical limitations, namely the rigid framing structure of satellite communication standards and the on-board per-antenna power constraints, are herein considered. Therefore, the concept of optimal frame based precoding under per-antenna constraints, is discussed. Thi"},"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":"1406.6852","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2014-06-26T11:47:38Z","cross_cats_sorted":["math.IT"],"title_canon_sha256":"c3e042cbf522848d5766da91331d871a0af4a3119f760e2b1838e88276c0594c","abstract_canon_sha256":"65ca952d256d57161d28530cb7cdb8d5175304bee48cc22a8adb28d1548ceed9"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:58:11.625806Z","signature_b64":"ZN85Dy4jGb6SRHt2pvbSYIbLfn44ABDyoQfL7yeuQ6hxsAPl7MW9im8dkOuFcnupO+e52DQ+z0rRdOStYqNPBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"2f168ca5eec09ffa1e2ef00402b5e594b716b8ac0eaad638b81b744b4a8892ad","last_reissued_at":"2026-05-18T00:58:11.625046Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:58:11.625046Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Frame Based Precoding in Satellite Communications: A Multicast Approach","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["math.IT"],"primary_cat":"cs.IT","authors_text":"Bjorn Ottersten, Dimitrios Christopoulos, Symeon Chatzinotas","submitted_at":"2014-06-26T11:47:38Z","abstract_excerpt":"In the present work, a multibeam satellite that employs aggressive frequency reuse towards increasing the offered throughput is considered. Focusing on the forward link, the goal is to employ multi-antenna signal processing techniques, namely linear precoding, to manage the inter-beam interferences. In this context, fundamental practical limitations, namely the rigid framing structure of satellite communication standards and the on-board per-antenna power constraints, are herein considered. Therefore, the concept of optimal frame based precoding under per-antenna constraints, is discussed. Thi"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1406.6852","kind":"arxiv","version":3},"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":"1406.6852","created_at":"2026-05-18T00:58:11.625163+00:00"},{"alias_kind":"arxiv_version","alias_value":"1406.6852v3","created_at":"2026-05-18T00:58:11.625163+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1406.6852","created_at":"2026-05-18T00:58:11.625163+00:00"},{"alias_kind":"pith_short_12","alias_value":"F4LIZJPOYCP7","created_at":"2026-05-18T12:28:28.263976+00:00"},{"alias_kind":"pith_short_16","alias_value":"F4LIZJPOYCP7UHRO","created_at":"2026-05-18T12:28:28.263976+00:00"},{"alias_kind":"pith_short_8","alias_value":"F4LIZJPO","created_at":"2026-05-18T12:28:28.263976+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/F4LIZJPOYCP7UHRO6ACAFNPFSS","json":"https://pith.science/pith/F4LIZJPOYCP7UHRO6ACAFNPFSS.json","graph_json":"https://pith.science/api/pith-number/F4LIZJPOYCP7UHRO6ACAFNPFSS/graph.json","events_json":"https://pith.science/api/pith-number/F4LIZJPOYCP7UHRO6ACAFNPFSS/events.json","paper":"https://pith.science/paper/F4LIZJPO"},"agent_actions":{"view_html":"https://pith.science/pith/F4LIZJPOYCP7UHRO6ACAFNPFSS","download_json":"https://pith.science/pith/F4LIZJPOYCP7UHRO6ACAFNPFSS.json","view_paper":"https://pith.science/paper/F4LIZJPO","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1406.6852&json=true","fetch_graph":"https://pith.science/api/pith-number/F4LIZJPOYCP7UHRO6ACAFNPFSS/graph.json","fetch_events":"https://pith.science/api/pith-number/F4LIZJPOYCP7UHRO6ACAFNPFSS/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/F4LIZJPOYCP7UHRO6ACAFNPFSS/action/timestamp_anchor","attest_storage":"https://pith.science/pith/F4LIZJPOYCP7UHRO6ACAFNPFSS/action/storage_attestation","attest_author":"https://pith.science/pith/F4LIZJPOYCP7UHRO6ACAFNPFSS/action/author_attestation","sign_citation":"https://pith.science/pith/F4LIZJPOYCP7UHRO6ACAFNPFSS/action/citation_signature","submit_replication":"https://pith.science/pith/F4LIZJPOYCP7UHRO6ACAFNPFSS/action/replication_record"}},"created_at":"2026-05-18T00:58:11.625163+00:00","updated_at":"2026-05-18T00:58:11.625163+00:00"}