{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2015:URCMGURHTOIEV2RCIDM2HD3LRR","short_pith_number":"pith:URCMGURH","schema_version":"1.0","canonical_sha256":"a444c352279b904aea2240d9a38f6b8c5e046dd14663dc76d16b0fee77a78285","source":{"kind":"arxiv","id":"1509.02351","version":1},"attestation_state":"computed","paper":{"title":"Exploring the Physical Layer Frontiers of Cellular Uplink - The Vienna LTE-A Simulator","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["math.IT"],"primary_cat":"cs.IT","authors_text":"Erich Z\\\"ochmann, Lukas Nagel, Markus Rupp, Martin Lerch, Stefan Pratschner, Stefan Schwarz","submitted_at":"2015-09-08T13:06:13Z","abstract_excerpt":"Communication systems in practice are subject to many technical/technological constraints and restrictions. MIMO processing in current wireless communications, as an example, mostly employs codebook based pre-coding to save computational complexity at the transmitters and receivers. In such cases, closed form expressions for capacity or bit-error probability are often unattainable; effects of realistic signal processing algorithms on the performance of practical communication systems rather have to be studied in simulation environments. The Vienna {LTE-A} Uplink Simulator is a 3GPP {LTE-A} sta"},"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":"1509.02351","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2015-09-08T13:06:13Z","cross_cats_sorted":["math.IT"],"title_canon_sha256":"b64fabaf119dfce5dc8a20ce1671c2f2063f56532b11db090f11ace6f1a13901","abstract_canon_sha256":"4cbf36887405b10af12e27d736d511c7edbec641b612106ce74ed5eb97999f0a"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:33:41.129688Z","signature_b64":"d/qFQzlH9Ru/ePeCA6p8pJ5ufuvA+PC2eFrYrzD11N84HS8ToixAuBWThx4iUc3Iou+itIzO1XJ2ej9pErwRDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a444c352279b904aea2240d9a38f6b8c5e046dd14663dc76d16b0fee77a78285","last_reissued_at":"2026-05-18T01:33:41.129172Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:33:41.129172Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Exploring the Physical Layer Frontiers of Cellular Uplink - The Vienna LTE-A Simulator","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["math.IT"],"primary_cat":"cs.IT","authors_text":"Erich Z\\\"ochmann, Lukas Nagel, Markus Rupp, Martin Lerch, Stefan Pratschner, Stefan Schwarz","submitted_at":"2015-09-08T13:06:13Z","abstract_excerpt":"Communication systems in practice are subject to many technical/technological constraints and restrictions. MIMO processing in current wireless communications, as an example, mostly employs codebook based pre-coding to save computational complexity at the transmitters and receivers. In such cases, closed form expressions for capacity or bit-error probability are often unattainable; effects of realistic signal processing algorithms on the performance of practical communication systems rather have to be studied in simulation environments. The Vienna {LTE-A} Uplink Simulator is a 3GPP {LTE-A} sta"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1509.02351","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":"1509.02351","created_at":"2026-05-18T01:33:41.129233+00:00"},{"alias_kind":"arxiv_version","alias_value":"1509.02351v1","created_at":"2026-05-18T01:33:41.129233+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1509.02351","created_at":"2026-05-18T01:33:41.129233+00:00"},{"alias_kind":"pith_short_12","alias_value":"URCMGURHTOIE","created_at":"2026-05-18T12:29:44.643036+00:00"},{"alias_kind":"pith_short_16","alias_value":"URCMGURHTOIEV2RC","created_at":"2026-05-18T12:29:44.643036+00:00"},{"alias_kind":"pith_short_8","alias_value":"URCMGURH","created_at":"2026-05-18T12:29:44.643036+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/URCMGURHTOIEV2RCIDM2HD3LRR","json":"https://pith.science/pith/URCMGURHTOIEV2RCIDM2HD3LRR.json","graph_json":"https://pith.science/api/pith-number/URCMGURHTOIEV2RCIDM2HD3LRR/graph.json","events_json":"https://pith.science/api/pith-number/URCMGURHTOIEV2RCIDM2HD3LRR/events.json","paper":"https://pith.science/paper/URCMGURH"},"agent_actions":{"view_html":"https://pith.science/pith/URCMGURHTOIEV2RCIDM2HD3LRR","download_json":"https://pith.science/pith/URCMGURHTOIEV2RCIDM2HD3LRR.json","view_paper":"https://pith.science/paper/URCMGURH","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1509.02351&json=true","fetch_graph":"https://pith.science/api/pith-number/URCMGURHTOIEV2RCIDM2HD3LRR/graph.json","fetch_events":"https://pith.science/api/pith-number/URCMGURHTOIEV2RCIDM2HD3LRR/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/URCMGURHTOIEV2RCIDM2HD3LRR/action/timestamp_anchor","attest_storage":"https://pith.science/pith/URCMGURHTOIEV2RCIDM2HD3LRR/action/storage_attestation","attest_author":"https://pith.science/pith/URCMGURHTOIEV2RCIDM2HD3LRR/action/author_attestation","sign_citation":"https://pith.science/pith/URCMGURHTOIEV2RCIDM2HD3LRR/action/citation_signature","submit_replication":"https://pith.science/pith/URCMGURHTOIEV2RCIDM2HD3LRR/action/replication_record"}},"created_at":"2026-05-18T01:33:41.129233+00:00","updated_at":"2026-05-18T01:33:41.129233+00:00"}