{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2012:IZXCRHI73L7WUXB7QCUIIBJQPW","short_pith_number":"pith:IZXCRHI7","canonical_record":{"source":{"id":"1210.7539","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2012-10-29T01:24:50Z","cross_cats_sorted":["math.IT"],"title_canon_sha256":"17988a9f915b2a34d45bf1a6d1c8cc0c5d571a1920bd6233ddea8dc05bb13d06","abstract_canon_sha256":"8fcd28d29f15232d089a43762b8b0b5016a53a173a38d51acaa9cf299678b0a8"},"schema_version":"1.0"},"canonical_sha256":"466e289d1fdaff6a5c3f80a88405307da5c775ee5e7963ec5e2c812822ea95ca","source":{"kind":"arxiv","id":"1210.7539","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1210.7539","created_at":"2026-05-18T01:53:36Z"},{"alias_kind":"arxiv_version","alias_value":"1210.7539v1","created_at":"2026-05-18T01:53:36Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1210.7539","created_at":"2026-05-18T01:53:36Z"},{"alias_kind":"pith_short_12","alias_value":"IZXCRHI73L7W","created_at":"2026-05-18T12:27:09Z"},{"alias_kind":"pith_short_16","alias_value":"IZXCRHI73L7WUXB7","created_at":"2026-05-18T12:27:09Z"},{"alias_kind":"pith_short_8","alias_value":"IZXCRHI7","created_at":"2026-05-18T12:27:09Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2012:IZXCRHI73L7WUXB7QCUIIBJQPW","target":"record","payload":{"canonical_record":{"source":{"id":"1210.7539","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2012-10-29T01:24:50Z","cross_cats_sorted":["math.IT"],"title_canon_sha256":"17988a9f915b2a34d45bf1a6d1c8cc0c5d571a1920bd6233ddea8dc05bb13d06","abstract_canon_sha256":"8fcd28d29f15232d089a43762b8b0b5016a53a173a38d51acaa9cf299678b0a8"},"schema_version":"1.0"},"canonical_sha256":"466e289d1fdaff6a5c3f80a88405307da5c775ee5e7963ec5e2c812822ea95ca","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:53:36.577070Z","signature_b64":"PJn/UQR1K0GMwFJn/kNr3M/lTzhf3Bd7tiSfgrIrA5R1zELWsZT1wZ1bnLsnSgu28qgy6wGuIzGFtJMx3W7IBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"466e289d1fdaff6a5c3f80a88405307da5c775ee5e7963ec5e2c812822ea95ca","last_reissued_at":"2026-05-18T01:53:36.576470Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:53:36.576470Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1210.7539","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T01:53:36Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ao0f7Kqb1EmLhru5AMigKJPpBjz9McYOJQrdr8y8CNVRH3xVcciE7RvMK1w/dgxP2ZHmjyudCYxDaax+iNycCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T02:39:59.314445Z"},"content_sha256":"46074f7201f3673efcad011960e2efbb6caebf18aac6362f1321f9e05bd1fc2e","schema_version":"1.0","event_id":"sha256:46074f7201f3673efcad011960e2efbb6caebf18aac6362f1321f9e05bd1fc2e"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2012:IZXCRHI73L7WUXB7QCUIIBJQPW","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Feedback Allocation For OFDMA Systems With Slow Frequency-domain Scheduling","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["math.IT"],"primary_cat":"cs.IT","authors_text":"Constantine Caramanis, Harish Ganapathy, Nedialko B. Dimitrov, Siddhartha Banerjee","submitted_at":"2012-10-29T01:24:50Z","abstract_excerpt":"We study the problem of allocating limited feedback resources across multiple users in an orthogonal-frequency-division-multiple-access downlink system with slow frequency-domain scheduling. Many flavors of slow frequency-domain scheduling (e.g., persistent scheduling, semi-persistent scheduling), that adapt user-sub-band assignments on a slower time-scale, are being considered in standards such as 3GPP Long-Term Evolution. In this paper, we develop a feedback allocation algorithm that operates in conjunction with any arbitrary slow frequency-domain scheduler with the goal of improving the thr"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1210.7539","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"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T01:53:36Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"HCasiJc+YCyrT5b3SoZQvLH5wZ8Pme9nzyS4/gxhvtrsVp2Z6g4H49ZhR89UgqG7t8bFIcZCUpMDH/wZGXx9CA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T02:39:59.315113Z"},"content_sha256":"f0d72e099828ffd720e8bb1294354d29d630a0766953b250233c285082d92b44","schema_version":"1.0","event_id":"sha256:f0d72e099828ffd720e8bb1294354d29d630a0766953b250233c285082d92b44"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/IZXCRHI73L7WUXB7QCUIIBJQPW/bundle.json","state_url":"https://pith.science/pith/IZXCRHI73L7WUXB7QCUIIBJQPW/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/IZXCRHI73L7WUXB7QCUIIBJQPW/bundle.json","status":"primary"}],"public_keys":[{"key_id":"pith-v1-2026-05","algorithm":"ed25519","format":"raw","public_key_b64":"stVStoiQhXFxp4s2pdzPNoqVNBMojDU/fJ2db5S3CbM=","public_key_hex":"b2d552b68890857171a78b36a5dccf368a953413288c353f7c9d9d6f94b709b3","fingerprint_sha256_b32_first128bits":"RVFV5Z2OI2J3ZUO7ERDEBCYNKS","fingerprint_sha256_hex":"8d4b5ee74e4693bcd1df2446408b0d54","rotates_at":null,"url":"https://pith.science/pith-signing-key.json","notes":"Pith uses this Ed25519 key to sign canonical record SHA-256 digests. Verify with: ed25519_verify(public_key, message=canonical_sha256_bytes, signature=base64decode(signature_b64))."}],"merge_version":"pith-open-graph-merge-v1","built_at":"2026-05-27T02:39:59Z","links":{"resolver":"https://pith.science/pith/IZXCRHI73L7WUXB7QCUIIBJQPW","bundle":"https://pith.science/pith/IZXCRHI73L7WUXB7QCUIIBJQPW/bundle.json","state":"https://pith.science/pith/IZXCRHI73L7WUXB7QCUIIBJQPW/state.json","well_known_bundle":"https://pith.science/.well-known/pith/IZXCRHI73L7WUXB7QCUIIBJQPW/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:IZXCRHI73L7WUXB7QCUIIBJQPW","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":"8fcd28d29f15232d089a43762b8b0b5016a53a173a38d51acaa9cf299678b0a8","cross_cats_sorted":["math.IT"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2012-10-29T01:24:50Z","title_canon_sha256":"17988a9f915b2a34d45bf1a6d1c8cc0c5d571a1920bd6233ddea8dc05bb13d06"},"schema_version":"1.0","source":{"id":"1210.7539","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1210.7539","created_at":"2026-05-18T01:53:36Z"},{"alias_kind":"arxiv_version","alias_value":"1210.7539v1","created_at":"2026-05-18T01:53:36Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1210.7539","created_at":"2026-05-18T01:53:36Z"},{"alias_kind":"pith_short_12","alias_value":"IZXCRHI73L7W","created_at":"2026-05-18T12:27:09Z"},{"alias_kind":"pith_short_16","alias_value":"IZXCRHI73L7WUXB7","created_at":"2026-05-18T12:27:09Z"},{"alias_kind":"pith_short_8","alias_value":"IZXCRHI7","created_at":"2026-05-18T12:27:09Z"}],"graph_snapshots":[{"event_id":"sha256:f0d72e099828ffd720e8bb1294354d29d630a0766953b250233c285082d92b44","target":"graph","created_at":"2026-05-18T01:53:36Z","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":"We study the problem of allocating limited feedback resources across multiple users in an orthogonal-frequency-division-multiple-access downlink system with slow frequency-domain scheduling. Many flavors of slow frequency-domain scheduling (e.g., persistent scheduling, semi-persistent scheduling), that adapt user-sub-band assignments on a slower time-scale, are being considered in standards such as 3GPP Long-Term Evolution. In this paper, we develop a feedback allocation algorithm that operates in conjunction with any arbitrary slow frequency-domain scheduler with the goal of improving the thr","authors_text":"Constantine Caramanis, Harish Ganapathy, Nedialko B. Dimitrov, Siddhartha Banerjee","cross_cats":["math.IT"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2012-10-29T01:24:50Z","title":"Feedback Allocation For OFDMA Systems With Slow Frequency-domain Scheduling"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1210.7539","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":"sha256:46074f7201f3673efcad011960e2efbb6caebf18aac6362f1321f9e05bd1fc2e","target":"record","created_at":"2026-05-18T01:53:36Z","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":"8fcd28d29f15232d089a43762b8b0b5016a53a173a38d51acaa9cf299678b0a8","cross_cats_sorted":["math.IT"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2012-10-29T01:24:50Z","title_canon_sha256":"17988a9f915b2a34d45bf1a6d1c8cc0c5d571a1920bd6233ddea8dc05bb13d06"},"schema_version":"1.0","source":{"id":"1210.7539","kind":"arxiv","version":1}},"canonical_sha256":"466e289d1fdaff6a5c3f80a88405307da5c775ee5e7963ec5e2c812822ea95ca","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"466e289d1fdaff6a5c3f80a88405307da5c775ee5e7963ec5e2c812822ea95ca","first_computed_at":"2026-05-18T01:53:36.576470Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:53:36.576470Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"PJn/UQR1K0GMwFJn/kNr3M/lTzhf3Bd7tiSfgrIrA5R1zELWsZT1wZ1bnLsnSgu28qgy6wGuIzGFtJMx3W7IBw==","signature_status":"signed_v1","signed_at":"2026-05-18T01:53:36.577070Z","signed_message":"canonical_sha256_bytes"},"source_id":"1210.7539","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:46074f7201f3673efcad011960e2efbb6caebf18aac6362f1321f9e05bd1fc2e","sha256:f0d72e099828ffd720e8bb1294354d29d630a0766953b250233c285082d92b44"],"state_sha256":"1b9c6eb25ffd002937a19b0405bd02c274fe2abecd3104de85c803107ae80ac8"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"rQRnkNLjwarn6RKk0SkyxQS19RxhobvGidy+YDDXGdHlNZRLxtjLQSkuuZTl5jPBFiU1xpZqAxotW+zQR6XmAg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-27T02:39:59.318215Z","bundle_sha256":"e25e2a161a7324ffbbbaca43145d1576c4c9dff9d25eb8823e99eb6f0b2744da"}}