{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2012:M6EHMPODH6X37X6R2YR4KBGTFY","short_pith_number":"pith:M6EHMPOD","schema_version":"1.0","canonical_sha256":"6788763dc33fafbfdfd1d623c504d32e394781589cafb12085733077e284dfb0","source":{"kind":"arxiv","id":"1211.3503","version":1},"attestation_state":"computed","paper":{"title":"Spectral Efficiency in Large-Scale MIMO-OFDM Systems with Per-Antenna Power Cost","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["math.IT"],"primary_cat":"cs.IT","authors_text":"Derrick Wing Kwan Ng, Robert Schober","submitted_at":"2012-11-15T06:15:51Z","abstract_excerpt":"In this paper, resource allocation for multiple-input multiple-output orthogonal frequency division multiplexing (MIMO-OFDM) downlink networks with large numbers of base station antennas is studied. Assuming perfect channel state information at the transmitter, the resource allocation algorithm design is modeled as a non-convex optimization problem which takes into account the joint power consumption of the power amplifiers, antenna unit, and signal processing circuit unit. Subsequently, by exploiting the law of large numbers and dual decomposition, an efficient suboptimal iterative resource a"},"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":"1211.3503","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2012-11-15T06:15:51Z","cross_cats_sorted":["math.IT"],"title_canon_sha256":"4734789de8953fb0eeb2e06cc86dafa55184702294b063aacebabb9fdf9ac177","abstract_canon_sha256":"07adf255d189aaa3a4cf2794c2ad40980ac30526263642e9131c782166d5792e"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:40:48.480769Z","signature_b64":"JYrYjnC+mzSLtf4n5i45MpWDuMBHJ00VeVz8XVKt0pUcFlLxvFy9ZLs1HeLjKZ8kuyOag6BaU0/x/WHuVeswAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"6788763dc33fafbfdfd1d623c504d32e394781589cafb12085733077e284dfb0","last_reissued_at":"2026-05-18T03:40:48.480048Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:40:48.480048Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Spectral Efficiency in Large-Scale MIMO-OFDM Systems with Per-Antenna Power Cost","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["math.IT"],"primary_cat":"cs.IT","authors_text":"Derrick Wing Kwan Ng, Robert Schober","submitted_at":"2012-11-15T06:15:51Z","abstract_excerpt":"In this paper, resource allocation for multiple-input multiple-output orthogonal frequency division multiplexing (MIMO-OFDM) downlink networks with large numbers of base station antennas is studied. Assuming perfect channel state information at the transmitter, the resource allocation algorithm design is modeled as a non-convex optimization problem which takes into account the joint power consumption of the power amplifiers, antenna unit, and signal processing circuit unit. Subsequently, by exploiting the law of large numbers and dual decomposition, an efficient suboptimal iterative resource a"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1211.3503","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":"1211.3503","created_at":"2026-05-18T03:40:48.480159+00:00"},{"alias_kind":"arxiv_version","alias_value":"1211.3503v1","created_at":"2026-05-18T03:40:48.480159+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1211.3503","created_at":"2026-05-18T03:40:48.480159+00:00"},{"alias_kind":"pith_short_12","alias_value":"M6EHMPODH6X3","created_at":"2026-05-18T12:27:14.488303+00:00"},{"alias_kind":"pith_short_16","alias_value":"M6EHMPODH6X37X6R","created_at":"2026-05-18T12:27:14.488303+00:00"},{"alias_kind":"pith_short_8","alias_value":"M6EHMPOD","created_at":"2026-05-18T12:27:14.488303+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/M6EHMPODH6X37X6R2YR4KBGTFY","json":"https://pith.science/pith/M6EHMPODH6X37X6R2YR4KBGTFY.json","graph_json":"https://pith.science/api/pith-number/M6EHMPODH6X37X6R2YR4KBGTFY/graph.json","events_json":"https://pith.science/api/pith-number/M6EHMPODH6X37X6R2YR4KBGTFY/events.json","paper":"https://pith.science/paper/M6EHMPOD"},"agent_actions":{"view_html":"https://pith.science/pith/M6EHMPODH6X37X6R2YR4KBGTFY","download_json":"https://pith.science/pith/M6EHMPODH6X37X6R2YR4KBGTFY.json","view_paper":"https://pith.science/paper/M6EHMPOD","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1211.3503&json=true","fetch_graph":"https://pith.science/api/pith-number/M6EHMPODH6X37X6R2YR4KBGTFY/graph.json","fetch_events":"https://pith.science/api/pith-number/M6EHMPODH6X37X6R2YR4KBGTFY/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/M6EHMPODH6X37X6R2YR4KBGTFY/action/timestamp_anchor","attest_storage":"https://pith.science/pith/M6EHMPODH6X37X6R2YR4KBGTFY/action/storage_attestation","attest_author":"https://pith.science/pith/M6EHMPODH6X37X6R2YR4KBGTFY/action/author_attestation","sign_citation":"https://pith.science/pith/M6EHMPODH6X37X6R2YR4KBGTFY/action/citation_signature","submit_replication":"https://pith.science/pith/M6EHMPODH6X37X6R2YR4KBGTFY/action/replication_record"}},"created_at":"2026-05-18T03:40:48.480159+00:00","updated_at":"2026-05-18T03:40:48.480159+00:00"}