{"id":"W2101678281","doi":"10.1109/twc.2008.06001","title":"Precoder Design for Space-Time Coded MIMO Systems with Imperfect Channel State Information","year":2008,"lang":"en","type":"article","venue":"IEEE Transactions on Wireless Communications","topic":"Advanced Wireless Communication Techniques","field":"Engineering","cited_by":13,"is_retracted":false,"has_abstract":true,"ca_institutions":"University of British Columbia","funders":"","keywords":"MIMO; Precoding; Channel state information; Fading; Transmitter; Computer science; Channel (broadcasting); Control theory (sociology); Covariance matrix; Mathematics; Algorithm; Constraint (computer-aided design); Mathematical optimization; Telecommunications; Wireless","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":"metacan-v3-hybrid-931329e0061c","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.0006945616,0.0009417941,0.0007544948,0.0003049754,0.0003705003,0.001009295,0.0005750837,0.0009607656,0.001627326],"category_scores_gemma":[0.003207137,0.000407268,0.0002916791,0.000581247,0.0007553146,0.0007481791,0.0006265545,0.0007470698,0.0005342856],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0005190149,"about_ca_system_score_gemma":0.001286002,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.002554024,"about_ca_topic_score_gemma":0.00448194,"domain_scores_codex":[0.9993367,0.0002064332,0.0000322999,0.00012164,0.0002234015,0.00007959583],"domain_scores_gemma":[0.9987568,0.0007167071,0.000144006,0.0001003146,0.0002550541,0.000027095],"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":[0.0001391539,0.0000589046,0.0005272018,0.0002665909,0.00008317962,0.0002253621,0.0002073525,0.8693209,0.01723891,0.02635019,0.001700321,0.08388194],"study_design_scores_gemma":[0.00003162275,0.0001067671,0.0001567826,0.00002101168,0.00002219146,0.00008178422,0.00002337809,0.9872666,0.004257012,0.006949017,0.001069292,0.00001447688],"study_design_candidate":"simulation_or_modeling","study_design_consensus":"simulation_or_modeling","genre_codex":"methods","genre_gemma":"empirical","genre_scores_codex":[0.008072087,0.0002174617,0.9900074,0.0001364672,0.00003191505,0.00003112663,0.00005690823,0.0001077406,0.001338871],"genre_scores_gemma":[0.7064565,0.00110538,0.2859735,0.0003139754,0.0002013033,0.0002858636,0.0003124174,0.00006388524,0.005287059],"genre_candidate":"empirical","genre_consensus":null,"teacher_disagreement_score":0.002554024,"threshold_uncertainty_score":0.005443931,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.02712503313222482,"score_gpt":0.2420257443165369,"score_spread":0.214900711184312,"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."}}