{"id":"W1992886126","doi":"10.1364/oe.20.00b171","title":"Ultrafast and low overhead training symbol based channel estimation in coherent M-QAM single-carrier transmission systems","year":2012,"lang":"en","type":"article","venue":"Optics Express","topic":"Optical Network Technologies","field":"Engineering","cited_by":14,"is_retracted":false,"has_abstract":true,"ca_institutions":"McGill University","funders":"","keywords":"Algorithm; Polarization-division multiplexing; Quadrature amplitude modulation; Intersymbol interference; Computer science; Bit error rate; Signal processing; Telecommunications; Decoding methods","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":[0.0001606913,0.0001984295,0.0002404488,0.0001039515,0.00003830672,0.00006366101,0.0001068353,0.0002086331,0.000005940269],"category_scores_gemma":[0.0000410429,0.0001951209,0.00002732025,0.0001418127,0.00005439965,0.000233964,0.00001693987,0.0002269699,0.000003292132],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.00007193374,"about_ca_system_score_gemma":0.00000654839,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.00000280553,"about_ca_topic_score_gemma":6.375433e-7,"domain_scores_codex":[0.9989438,0.00002284159,0.0002615959,0.0001570052,0.0001697243,0.0004450344],"domain_scores_gemma":[0.9994999,0.0001339367,0.00002818053,0.0001918662,0.00001818504,0.000127891],"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":[0.00001849545,0.0001249935,0.0004347383,0.0005941472,0.00002322286,0.000006152726,0.001972998,0.9312999,0.05084417,0.001040039,0.00005733247,0.01358381],"study_design_scores_gemma":[0.0004168771,0.00003825435,0.0003559023,0.000534171,0.00001376719,0.000004745647,0.0005024796,0.9832065,0.01451951,0.0000339402,0.0001330048,0.0002409201],"study_design_candidate":"simulation_or_modeling","study_design_consensus":"simulation_or_modeling","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.8926029,0.0008381254,0.1041911,0.0000427358,0.0004017694,0.0003952188,0.0000144395,0.000525971,0.000987694],"genre_scores_gemma":[0.9916932,0.000040643,0.008067466,0.000006412779,0.00006394672,0.00006080049,0.00001249583,0.00004458186,0.00001042989],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.09909027,"threshold_uncertainty_score":0.7956799,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.02353339151982278,"score_gpt":0.2198508569784405,"score_spread":0.1963174654586178,"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."}}