{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2009:B74KL5CKP6TIUGK7DLBQB4XLP6","short_pith_number":"pith:B74KL5CK","schema_version":"1.0","canonical_sha256":"0ff8a5f44a7fa68a195f1ac300f2eb7fa63376cac8285836d7d43d2ced5d3f71","source":{"kind":"arxiv","id":"0903.2711","version":2},"attestation_state":"computed","paper":{"title":"Performance Assessment of MIMO-BICM Demodulators based on System Capacity","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["math.IT"],"primary_cat":"cs.IT","authors_text":"Gerald Matz, Joakim Jalden, Peter Fertl","submitted_at":"2009-03-16T09:35:04Z","abstract_excerpt":"We provide a comprehensive performance comparison of soft-output and hard-output demodulators in the context of non-iterative multiple-input multiple-output bit-interleaved coded modulation (MIMO-BICM). Coded bit error rate (BER), widely used in literature for demodulator comparison, has the drawback of depending strongly on the error correcting code being used. This motivates us to propose a code-independent performance measure in terms of system capacity, i.e., mutual information of the equivalent modulation channel that comprises modulator, wireless channel, and demodulator. We present exte"},"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":"0903.2711","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2009-03-16T09:35:04Z","cross_cats_sorted":["math.IT"],"title_canon_sha256":"e6187a4154909ac06850cdfbe92641c771e6f56e41c2c84d4acd575b537c88ff","abstract_canon_sha256":"b623c1627a6a149e10866b5ef69b61a86dffa92e986826711a0c8d4d5f246fc6"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:34:09.034259Z","signature_b64":"gJfftPNrivH54pNGh9YWFcewcXFyjBKmcXodjLqTVhexPE//PCxvVqzJVnxgnY8WpBaGj3d78X6HnSl/Rko+Ag==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"0ff8a5f44a7fa68a195f1ac300f2eb7fa63376cac8285836d7d43d2ced5d3f71","last_reissued_at":"2026-05-18T04:34:09.033668Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:34:09.033668Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Performance Assessment of MIMO-BICM Demodulators based on System Capacity","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["math.IT"],"primary_cat":"cs.IT","authors_text":"Gerald Matz, Joakim Jalden, Peter Fertl","submitted_at":"2009-03-16T09:35:04Z","abstract_excerpt":"We provide a comprehensive performance comparison of soft-output and hard-output demodulators in the context of non-iterative multiple-input multiple-output bit-interleaved coded modulation (MIMO-BICM). Coded bit error rate (BER), widely used in literature for demodulator comparison, has the drawback of depending strongly on the error correcting code being used. This motivates us to propose a code-independent performance measure in terms of system capacity, i.e., mutual information of the equivalent modulation channel that comprises modulator, wireless channel, and demodulator. We present exte"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0903.2711","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":"0903.2711","created_at":"2026-05-18T04:34:09.033739+00:00"},{"alias_kind":"arxiv_version","alias_value":"0903.2711v2","created_at":"2026-05-18T04:34:09.033739+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0903.2711","created_at":"2026-05-18T04:34:09.033739+00:00"},{"alias_kind":"pith_short_12","alias_value":"B74KL5CKP6TI","created_at":"2026-05-18T12:25:58.837520+00:00"},{"alias_kind":"pith_short_16","alias_value":"B74KL5CKP6TIUGK7","created_at":"2026-05-18T12:25:58.837520+00:00"},{"alias_kind":"pith_short_8","alias_value":"B74KL5CK","created_at":"2026-05-18T12:25:58.837520+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/B74KL5CKP6TIUGK7DLBQB4XLP6","json":"https://pith.science/pith/B74KL5CKP6TIUGK7DLBQB4XLP6.json","graph_json":"https://pith.science/api/pith-number/B74KL5CKP6TIUGK7DLBQB4XLP6/graph.json","events_json":"https://pith.science/api/pith-number/B74KL5CKP6TIUGK7DLBQB4XLP6/events.json","paper":"https://pith.science/paper/B74KL5CK"},"agent_actions":{"view_html":"https://pith.science/pith/B74KL5CKP6TIUGK7DLBQB4XLP6","download_json":"https://pith.science/pith/B74KL5CKP6TIUGK7DLBQB4XLP6.json","view_paper":"https://pith.science/paper/B74KL5CK","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=0903.2711&json=true","fetch_graph":"https://pith.science/api/pith-number/B74KL5CKP6TIUGK7DLBQB4XLP6/graph.json","fetch_events":"https://pith.science/api/pith-number/B74KL5CKP6TIUGK7DLBQB4XLP6/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/B74KL5CKP6TIUGK7DLBQB4XLP6/action/timestamp_anchor","attest_storage":"https://pith.science/pith/B74KL5CKP6TIUGK7DLBQB4XLP6/action/storage_attestation","attest_author":"https://pith.science/pith/B74KL5CKP6TIUGK7DLBQB4XLP6/action/author_attestation","sign_citation":"https://pith.science/pith/B74KL5CKP6TIUGK7DLBQB4XLP6/action/citation_signature","submit_replication":"https://pith.science/pith/B74KL5CKP6TIUGK7DLBQB4XLP6/action/replication_record"}},"created_at":"2026-05-18T04:34:09.033739+00:00","updated_at":"2026-05-18T04:34:09.033739+00:00"}