{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2014:YT7PMXQA5USYG4377EJJJHKA3P","short_pith_number":"pith:YT7PMXQA","schema_version":"1.0","canonical_sha256":"c4fef65e00ed2583737ff912949d40dbfefb6db69270ffbc97907e92e55bd21c","source":{"kind":"arxiv","id":"1401.4944","version":2},"attestation_state":"computed","paper":{"title":"Iterative pre-distortion of the non-linear satellite channel","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["math.IT"],"primary_cat":"cs.IT","authors_text":"Fran\\c{c}ois Horlin, Kenta Kasai, Mathieu Dervin, Thibault Deleu","submitted_at":"2014-01-20T15:35:45Z","abstract_excerpt":"Digital Video Broadcasting - Satellite - Second Generation (DVB-S2) is the current European standard for satellite broadcast and broadband communications. It relies on high order modulations up to 32-amplitude/phase-shift-keying (APSK) in order to increase the system spectral efficiency. Unfortunately, as the modulation order increases, the receiver becomes more sensitive to physical layer impairments, and notably to the distortions induced by the power amplifier and the channelizing filters aboard the satellite. Pre-distortion of the non-linear satellite channel has been studied for many year"},"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":"1401.4944","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2014-01-20T15:35:45Z","cross_cats_sorted":["math.IT"],"title_canon_sha256":"2ac3821fd3ab4e182393ced76437f4a413934f551dc44fe85e548995ccfbacef","abstract_canon_sha256":"5fab4eea10aabb76090a4df4f813741aeda4b0ccf1a117985684a006b1a5e794"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:52:03.845811Z","signature_b64":"6TT6SejSEG9dwyDZ+5itU2AyATxT4ulCiiqHFrXnj+JJuEyvMqCISX2oWTe0q5ULjD0t79LezK+UnwEWl+rnCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c4fef65e00ed2583737ff912949d40dbfefb6db69270ffbc97907e92e55bd21c","last_reissued_at":"2026-05-18T02:52:03.845354Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:52:03.845354Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Iterative pre-distortion of the non-linear satellite channel","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["math.IT"],"primary_cat":"cs.IT","authors_text":"Fran\\c{c}ois Horlin, Kenta Kasai, Mathieu Dervin, Thibault Deleu","submitted_at":"2014-01-20T15:35:45Z","abstract_excerpt":"Digital Video Broadcasting - Satellite - Second Generation (DVB-S2) is the current European standard for satellite broadcast and broadband communications. It relies on high order modulations up to 32-amplitude/phase-shift-keying (APSK) in order to increase the system spectral efficiency. Unfortunately, as the modulation order increases, the receiver becomes more sensitive to physical layer impairments, and notably to the distortions induced by the power amplifier and the channelizing filters aboard the satellite. Pre-distortion of the non-linear satellite channel has been studied for many year"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1401.4944","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":"1401.4944","created_at":"2026-05-18T02:52:03.845439+00:00"},{"alias_kind":"arxiv_version","alias_value":"1401.4944v2","created_at":"2026-05-18T02:52:03.845439+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1401.4944","created_at":"2026-05-18T02:52:03.845439+00:00"},{"alias_kind":"pith_short_12","alias_value":"YT7PMXQA5USY","created_at":"2026-05-18T12:28:57.508820+00:00"},{"alias_kind":"pith_short_16","alias_value":"YT7PMXQA5USYG437","created_at":"2026-05-18T12:28:57.508820+00:00"},{"alias_kind":"pith_short_8","alias_value":"YT7PMXQA","created_at":"2026-05-18T12:28:57.508820+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/YT7PMXQA5USYG4377EJJJHKA3P","json":"https://pith.science/pith/YT7PMXQA5USYG4377EJJJHKA3P.json","graph_json":"https://pith.science/api/pith-number/YT7PMXQA5USYG4377EJJJHKA3P/graph.json","events_json":"https://pith.science/api/pith-number/YT7PMXQA5USYG4377EJJJHKA3P/events.json","paper":"https://pith.science/paper/YT7PMXQA"},"agent_actions":{"view_html":"https://pith.science/pith/YT7PMXQA5USYG4377EJJJHKA3P","download_json":"https://pith.science/pith/YT7PMXQA5USYG4377EJJJHKA3P.json","view_paper":"https://pith.science/paper/YT7PMXQA","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1401.4944&json=true","fetch_graph":"https://pith.science/api/pith-number/YT7PMXQA5USYG4377EJJJHKA3P/graph.json","fetch_events":"https://pith.science/api/pith-number/YT7PMXQA5USYG4377EJJJHKA3P/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/YT7PMXQA5USYG4377EJJJHKA3P/action/timestamp_anchor","attest_storage":"https://pith.science/pith/YT7PMXQA5USYG4377EJJJHKA3P/action/storage_attestation","attest_author":"https://pith.science/pith/YT7PMXQA5USYG4377EJJJHKA3P/action/author_attestation","sign_citation":"https://pith.science/pith/YT7PMXQA5USYG4377EJJJHKA3P/action/citation_signature","submit_replication":"https://pith.science/pith/YT7PMXQA5USYG4377EJJJHKA3P/action/replication_record"}},"created_at":"2026-05-18T02:52:03.845439+00:00","updated_at":"2026-05-18T02:52:03.845439+00:00"}