{"id":"W2032843434","doi":"10.1109/icassp.2007.366497","title":"Optimal Precoder for Amplify-and-Forward Half-Duplex Cooperative System","year":2007,"lang":"en","type":"article","venue":"","topic":"Cooperative Communication and Network Coding","field":"Computer Science","cited_by":5,"is_retracted":false,"has_abstract":true,"ca_institutions":"McMaster University","funders":"","keywords":"Coding gain; Quadrature amplitude modulation; Farey sequence; Pairwise error probability; QAM; Relay; Diversity gain; Computer science; Algorithm; Expression (computer science); Mathematics; Control theory (sociology); Topology (electrical circuits); Decoding methods; Bit error rate; Discrete mathematics; Fading; Power (physics); Physics; 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":"metacan-v3-hybrid-931329e0061c","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.0004124529,0.0004687403,0.0004096139,0.0001992766,0.0003160712,0.0005521317,0.0004124799,0.0006156517,0.001168716],"category_scores_gemma":[0.0007160447,0.000239285,0.0001723558,0.0002054531,0.0003717317,0.0005492284,0.0003895259,0.0004549001,0.000386561],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0004130162,"about_ca_system_score_gemma":0.0009651833,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.001098895,"about_ca_topic_score_gemma":0.002136565,"domain_scores_codex":[0.9995554,0.0001356723,0.00002043437,0.0000875355,0.0001496169,0.00005130099],"domain_scores_gemma":[0.9997143,0.0001200075,0.0000323025,0.0000276143,0.00009190389,0.00001383513],"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":[0.0003442125,0.0001645585,0.001422339,0.0003246806,0.0001131922,0.0004495579,0.0004250151,0.5764962,0.1234762,0.07477707,0.003471858,0.218535],"study_design_scores_gemma":[0.0000690112,0.0001891887,0.0003400487,0.00002404978,0.0000331703,0.0002061233,0.00004545437,0.9697925,0.01537551,0.01121775,0.002684422,0.00002274743],"study_design_candidate":"simulation_or_modeling","study_design_consensus":"simulation_or_modeling","genre_codex":"methods","genre_gemma":"empirical","genre_scores_codex":[0.02392113,0.000240546,0.9730829,0.0001401649,0.0000302938,0.0000403928,0.00004822671,0.00009992224,0.002396322],"genre_scores_gemma":[0.7862417,0.0005081901,0.2091258,0.0001795299,0.00007263138,0.0001613097,0.0001035515,0.00001800386,0.003589154],"genre_candidate":"empirical","genre_consensus":null,"teacher_disagreement_score":0.001168716,"threshold_uncertainty_score":0.003909767,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.04176172914819873,"score_gpt":0.3012851952351089,"score_spread":0.2595234660869101,"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."}}