{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:DUNZNLF7VUAHRS7C6R64UYIDQP","merge_version":"pith-open-graph-merge-v1","event_count":2,"valid_event_count":2,"invalid_event_count":0,"equivocation_count":0,"current":{"canonical_record":{"metadata":{"abstract_canon_sha256":"db77858da6acc226fc5e2100a76c1b35bcd820ca2b0d1e3fd1dabad3289912cc","cross_cats_sorted":["math.IT"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2013-06-30T09:03:33Z","title_canon_sha256":"2b44dc2107a4df7f27f70adb6d0c137445c01c28c06e82f6868c49c065dcda39"},"schema_version":"1.0","source":{"id":"1307.0187","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1307.0187","created_at":"2026-05-18T03:19:34Z"},{"alias_kind":"arxiv_version","alias_value":"1307.0187v1","created_at":"2026-05-18T03:19:34Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1307.0187","created_at":"2026-05-18T03:19:34Z"},{"alias_kind":"pith_short_12","alias_value":"DUNZNLF7VUAH","created_at":"2026-05-18T12:27:43Z"},{"alias_kind":"pith_short_16","alias_value":"DUNZNLF7VUAHRS7C","created_at":"2026-05-18T12:27:43Z"},{"alias_kind":"pith_short_8","alias_value":"DUNZNLF7","created_at":"2026-05-18T12:27:43Z"}],"graph_snapshots":[{"event_id":"sha256:d85ddd9b4eb5f5b3ff966c4ab3c95036af2233f68606ac7bdab7442520103996","target":"graph","created_at":"2026-05-18T03:19:34Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"graph_snapshot":{"author_claims":{"count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","strong_count":0},"builder_version":"pith-number-builder-2026-05-17-v1","claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"paper":{"abstract_excerpt":"This paper investigates and compares the performance of wireless sensor networks where sensors operate on the principles of cooperative communications. We consider a scenario where the source transmits signals to the destination with the help of $L$ sensors. As the destination has the capacity of processing only $U$ out of these $L$ signals, the strongest $U$ signals are selected while the remaining $(L-U)$ signals are suppressed. A preprocessing block similar to channel-shortening is proposed in this contribution. However, this preprocessing block employs a rank-reduction technique instead of","authors_text":"Ki-Hong Park, Mohamed-Slim Alouini, Qasim Zeeshan Ahmed, Sonia Aissa","cross_cats":["math.IT"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2013-06-30T09:03:33Z","title":"Compression and Combining Based on Channel Shortening and Rank Reduction Techniques for Cooperative Wireless Sensor Networks"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1307.0187","kind":"arxiv","version":1},"verdict":{"created_at":null,"id":null,"model_set":{},"one_line_summary":"","pipeline_version":null,"pith_extraction_headline":"","strongest_claim":"","weakest_assumption":""}},"verdict_id":null}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:14bb03afedb0f377992ab9435798f7e0be229981152fd46d69f4ee2970aa126a","target":"record","created_at":"2026-05-18T03:19:34Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"attestation_state":"computed","canonical_record":{"metadata":{"abstract_canon_sha256":"db77858da6acc226fc5e2100a76c1b35bcd820ca2b0d1e3fd1dabad3289912cc","cross_cats_sorted":["math.IT"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2013-06-30T09:03:33Z","title_canon_sha256":"2b44dc2107a4df7f27f70adb6d0c137445c01c28c06e82f6868c49c065dcda39"},"schema_version":"1.0","source":{"id":"1307.0187","kind":"arxiv","version":1}},"canonical_sha256":"1d1b96acbfad0078cbe2f47dca610383c9de64cc3cd88e39f929d2d73707474c","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"1d1b96acbfad0078cbe2f47dca610383c9de64cc3cd88e39f929d2d73707474c","first_computed_at":"2026-05-18T03:19:34.043128Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:19:34.043128Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"3oBbLX5e6nBuVrWXKYnNaDPpOAXPvSJOogbzq5IBhCQKjpKvrFIms9NdXbnN8unIl3tAge20z7ypjjGF/fpTDg==","signature_status":"signed_v1","signed_at":"2026-05-18T03:19:34.043744Z","signed_message":"canonical_sha256_bytes"},"source_id":"1307.0187","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:14bb03afedb0f377992ab9435798f7e0be229981152fd46d69f4ee2970aa126a","sha256:d85ddd9b4eb5f5b3ff966c4ab3c95036af2233f68606ac7bdab7442520103996"],"state_sha256":"f2f9c8b0595aa22e7395b256c59928eafd5bc65c2738212d56f118660555ce8c"}