{"id":"W2129096781","doi":"10.1109/icc.2008.690","title":"Exact Sum-Rate Analysis of MIMO Broadcast Channels with Random Unitary Beamforming Based on Quantized SINR Feedback","year":2008,"lang":"en","type":"article","venue":"","topic":"Advanced MIMO Systems Optimization","field":"Engineering","cited_by":9,"is_retracted":false,"has_abstract":true,"ca_institutions":"University of Victoria","funders":"","keywords":"Beamforming; MIMO; Unitary state; Computer science; Transmission (telecommunications); Interference (communication); Diversity gain; Signal-to-noise ratio (imaging); Precoding; Mathematics; Topology (electrical circuits); Algorithm; Mathematical optimization; Control theory (sociology); Telecommunications; Combinatorics","routes":{"ca_aff":true,"ca_fund":false,"ca_venue":false,"about_ca":false,"invisible_to_affiliation_only":false},"retraction":null,"screen":null,"direct_labels":[],"prediction":{"model_version":"codex-gemma-dda1882f352a","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.000181573,0.0002509758,0.0006071158,0.0006093989,0.00007637703,0.0000109468,0.0001106975,0.00007935403,0.0001111208],"category_scores_gemma":[0.0000527947,0.0002068875,0.000135307,0.001496379,0.00004466577,0.0002435178,0.000009488306,0.0001044093,0.00001142028],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.00006508106,"about_ca_system_score_gemma":0.00002374379,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.0001440275,"about_ca_topic_score_gemma":0.00007277285,"domain_scores_codex":[0.9988494,0.00005305469,0.000414861,0.0002253662,0.0001890628,0.0002682463],"domain_scores_gemma":[0.9990625,0.0002072806,0.0001029456,0.0003709371,0.0001737198,0.00008266386],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"simulation_or_modeling","study_design_gemma":"simulation_or_modeling","study_design_scores_codex":[0.0002772239,0.00003306116,0.0007827102,0.00005236804,0.0003962677,0.000009544015,0.0001709973,0.9964639,0.001601443,0.00001459107,0.00006522906,0.0001326997],"study_design_scores_gemma":[0.00314459,0.00009003641,0.0004043496,0.00007931986,0.0002627009,0.000002736246,0.000135141,0.9857638,0.00974601,0.000001585755,0.0000987257,0.0002710113],"study_design_candidate":"simulation_or_modeling","study_design_consensus":"simulation_or_modeling","genre_codex":"methods","genre_gemma":"empirical","genre_scores_codex":[0.1992737,0.00007106186,0.7969379,0.0000100913,0.0001212954,0.0003214014,0.00001759588,0.0002741435,0.002972769],"genre_scores_gemma":[0.9848229,0.00004631111,0.01455598,0.00003245715,0.00003759787,0.00001870805,0.0001178646,0.00005590082,0.0003122941],"genre_candidate":"empirical","genre_consensus":null,"teacher_disagreement_score":0.7855492,"threshold_uncertainty_score":0.8436629,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.01341042899252152,"score_gpt":0.2127282782452931,"score_spread":0.1993178492527716,"validation_status":"score_only:v0-immature-baseline","note":"Baseline scores from an immature model (maturity gate not passed). Scores rank; they never assert a category."}}