{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2025:PR3OHEPCKKNPLBRUVLV54J75G2","short_pith_number":"pith:PR3OHEPC","schema_version":"1.0","canonical_sha256":"7c76e391e2529af58634aaebde27fd368ecfe5535b2ee332f5e253d0c35ec6ab","source":{"kind":"arxiv","id":"2502.02092","version":1},"attestation_state":"computed","paper":{"title":"Sum of Squared Extended $\\eta$-$\\mu$ and $\\kappa$-$\\mu$ RVs: A New Framework Applied to FR3 and Sub-THz Systems","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["eess.SP","math.IT"],"primary_cat":"cs.IT","authors_text":"Gustavo Rodrigues de Lima Tejerina, Italo Atzeni","submitted_at":"2025-02-04T08:21:15Z","abstract_excerpt":"The analysis of systems operating in future frequency ranges calls for a proper statistical channel characterization through generalized fading models. In this paper, we adopt the Extended $\\eta$-$\\mu$ and $\\kappa$-$\\mu$ models to characterize the propagation in FR3 and the sub-THz band, respectively. For these models, we develop a new exact representation of the sum of squared independent and identically distributed random variables, which can be used to express the power of the received signal in multi-antenna systems. Unlike existing ones, the proposed analytical framework is remarkably tra"},"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":"2502.02092","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.IT","submitted_at":"2025-02-04T08:21:15Z","cross_cats_sorted":["eess.SP","math.IT"],"title_canon_sha256":"55ccd4dafa25398d06a445b38a9a5972b387803fe14b51c4229c113e08d38eb6","abstract_canon_sha256":"ec38f46ad234e02d2378ab464d2a0a57840d26e4c278b91c35b78e5f7eebf2bb"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T11:50:23.030443Z","signature_b64":"q9q3NPrqgux7x1RZsgkiSXsisQq4na0BVle86Of44lnL2jX5Bi3pKELu5uTJ8JoMVh+tmtxbwqZIvmv8Vm5UCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"7c76e391e2529af58634aaebde27fd368ecfe5535b2ee332f5e253d0c35ec6ab","last_reissued_at":"2026-07-05T11:50:23.029980Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T11:50:23.029980Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Sum of Squared Extended $\\eta$-$\\mu$ and $\\kappa$-$\\mu$ RVs: A New Framework Applied to FR3 and Sub-THz Systems","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["eess.SP","math.IT"],"primary_cat":"cs.IT","authors_text":"Gustavo Rodrigues de Lima Tejerina, Italo Atzeni","submitted_at":"2025-02-04T08:21:15Z","abstract_excerpt":"The analysis of systems operating in future frequency ranges calls for a proper statistical channel characterization through generalized fading models. In this paper, we adopt the Extended $\\eta$-$\\mu$ and $\\kappa$-$\\mu$ models to characterize the propagation in FR3 and the sub-THz band, respectively. For these models, we develop a new exact representation of the sum of squared independent and identically distributed random variables, which can be used to express the power of the received signal in multi-antenna systems. Unlike existing ones, the proposed analytical framework is remarkably tra"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2502.02092","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2502.02092/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2502.02092","created_at":"2026-07-05T11:50:23.030037+00:00"},{"alias_kind":"arxiv_version","alias_value":"2502.02092v1","created_at":"2026-07-05T11:50:23.030037+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2502.02092","created_at":"2026-07-05T11:50:23.030037+00:00"},{"alias_kind":"pith_short_12","alias_value":"PR3OHEPCKKNP","created_at":"2026-07-05T11:50:23.030037+00:00"},{"alias_kind":"pith_short_16","alias_value":"PR3OHEPCKKNPLBRU","created_at":"2026-07-05T11:50:23.030037+00:00"},{"alias_kind":"pith_short_8","alias_value":"PR3OHEPC","created_at":"2026-07-05T11:50:23.030037+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":1,"internal_anchor_count":0,"sample":[{"citing_arxiv_id":"2606.12005","citing_title":"Game-Theoretic Latent Space Alignment for Multi-user Semantic MIMO Communications","ref_index":41,"is_internal_anchor":false}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/PR3OHEPCKKNPLBRUVLV54J75G2","json":"https://pith.science/pith/PR3OHEPCKKNPLBRUVLV54J75G2.json","graph_json":"https://pith.science/api/pith-number/PR3OHEPCKKNPLBRUVLV54J75G2/graph.json","events_json":"https://pith.science/api/pith-number/PR3OHEPCKKNPLBRUVLV54J75G2/events.json","paper":"https://pith.science/paper/PR3OHEPC"},"agent_actions":{"view_html":"https://pith.science/pith/PR3OHEPCKKNPLBRUVLV54J75G2","download_json":"https://pith.science/pith/PR3OHEPCKKNPLBRUVLV54J75G2.json","view_paper":"https://pith.science/paper/PR3OHEPC","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2502.02092&json=true","fetch_graph":"https://pith.science/api/pith-number/PR3OHEPCKKNPLBRUVLV54J75G2/graph.json","fetch_events":"https://pith.science/api/pith-number/PR3OHEPCKKNPLBRUVLV54J75G2/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/PR3OHEPCKKNPLBRUVLV54J75G2/action/timestamp_anchor","attest_storage":"https://pith.science/pith/PR3OHEPCKKNPLBRUVLV54J75G2/action/storage_attestation","attest_author":"https://pith.science/pith/PR3OHEPCKKNPLBRUVLV54J75G2/action/author_attestation","sign_citation":"https://pith.science/pith/PR3OHEPCKKNPLBRUVLV54J75G2/action/citation_signature","submit_replication":"https://pith.science/pith/PR3OHEPCKKNPLBRUVLV54J75G2/action/replication_record"}},"created_at":"2026-07-05T11:50:23.030037+00:00","updated_at":"2026-07-05T11:50:23.030037+00:00"}