{"id":"W2122693846","doi":"10.1109/glocom.2007.291","title":"Performance of Space-Time Diversity in CDMA Over Frequency-Selective Fading Channels","year":2007,"lang":"en","type":"article","venue":"","topic":"Wireless Communication Networks Research","field":"Computer Science","cited_by":3,"is_retracted":false,"has_abstract":true,"ca_institutions":"Concordia University","funders":"","keywords":"Fading; Multipath propagation; Diversity scheme; Computer science; Bit error rate; Antenna diversity; Code division multiple access; Transmit diversity; Electronic engineering; Fading distribution; Telecommunications link; Channel (broadcasting); Algorithm; Telecommunications; Antenna (radio); Engineering; Rayleigh fading","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":[0.001073889,0.0000863817,0.000147185,0.000289186,0.0001452758,0.00002602694,0.001469079,0.00006342556,0.00005786799],"category_scores_gemma":[0.00003503458,0.00008457436,0.00003432247,0.001190299,0.00007124514,0.0006255379,0.001606655,0.000235621,0.00004347271],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0001564105,"about_ca_system_score_gemma":0.00005180813,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.0004682705,"about_ca_topic_score_gemma":0.0001282295,"domain_scores_codex":[0.9987701,0.00007629007,0.0001945696,0.0002228916,0.0003738476,0.0003623609],"domain_scores_gemma":[0.9988737,0.0002561834,0.00007198844,0.0005938236,0.0001333206,0.00007099664],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"simulation_or_modeling","study_design_scores_codex":[0.00007491795,0.0003587638,0.87868,0.00005109911,0.00005434386,0.00002389653,0.0090176,0.01332762,0.01401699,0.04924326,0.001257444,0.03389404],"study_design_scores_gemma":[0.0004287855,0.0001149813,0.3582628,0.0000504093,0.000001193712,0.000003151819,0.00003096614,0.6216102,0.01844234,0.0008098401,0.00005154694,0.0001938341],"study_design_candidate":"observational","study_design_consensus":null,"genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9289884,0.0000441044,0.04496824,0.0001923852,0.00005804653,0.0001524107,3.097384e-7,0.0000591139,0.02553699],"genre_scores_gemma":[0.9895718,0.00004141224,0.009890217,0.00003458053,0.00001909357,0.000002264634,6.101461e-7,0.000004285196,0.000435751],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.6082826,"threshold_uncertainty_score":0.3448842,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.02974355278706818,"score_gpt":0.2789611731583139,"score_spread":0.2492176203712457,"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."}}