{"id":"W3209298344","doi":"10.1109/comst.2021.3123267","title":"Cell-Free Massive MIMO: A Survey","year":2021,"lang":"en","type":"article","venue":"IEEE Communications Surveys & Tutorials","topic":"Advanced MIMO Systems Optimization","field":"Engineering","cited_by":413,"is_retracted":false,"has_abstract":true,"ca_institutions":"Concordia University","funders":"Natural Sciences and Engineering Research Council of Canada","keywords":"Scalability; Computer science; Software deployment; Exploit; Distributed computing; Systems design; Software engineering; Computer security; Operating system","routes":{"ca_aff":true,"ca_fund":true,"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":["metaepi_narrow"],"consensus_categories":[],"category_scores_codex":[0.002635367,0.0002613817,0.0004337238,0.000108711,0.0002358241,0.0001080079,0.001371544,0.0001892559,0.00007766914],"category_scores_gemma":[0.001367214,0.0003147055,0.00009358843,0.0008238868,0.0001039364,0.0003198625,0.0002870834,0.0002875442,0.0001989748],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0002165993,"about_ca_system_score_gemma":0.0001527947,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.0003023667,"about_ca_topic_score_gemma":0.001846387,"domain_scores_codex":[0.9954512,0.003030873,0.0006872831,0.0002804431,0.0002116087,0.0003385558],"domain_scores_gemma":[0.9924467,0.001891791,0.0001475803,0.004667945,0.0007262102,0.0001197848],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"simulation_or_modeling","study_design_gemma":"bench_or_experimental","study_design_scores_codex":[0.00002444762,0.0008076609,0.01017017,0.0003817131,0.0006059015,0.00003986606,0.002575305,0.6300142,0.1526708,0.003372755,0.1945437,0.004793514],"study_design_scores_gemma":[0.01411407,0.00022777,0.07398823,0.0009161409,0.0005607874,0.0001150614,0.00212729,0.1298221,0.3938352,0.007622154,0.3678755,0.00879568],"study_design_candidate":"simulation_or_modeling","study_design_consensus":null,"genre_codex":"methods","genre_gemma":"empirical","genre_scores_codex":[0.0144603,0.01270816,0.9146867,0.0003999304,0.01534717,0.001227388,0.001642485,0.001930591,0.0375972],"genre_scores_gemma":[0.9667282,0.001748478,0.02830242,0.00002762916,0.0004077303,0.0001815035,0.0009679252,0.0001300114,0.001506067],"genre_candidate":"empirical","genre_consensus":null,"teacher_disagreement_score":0.9522679,"threshold_uncertainty_score":0.9999305,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.04303441630077728,"score_gpt":0.2791985271164162,"score_spread":0.2361641108156389,"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."}}