{"id":"W2129625105","doi":"10.1109/csndsp.2008.4610777","title":"Capacity-maximized MPPM constellations for free-space optical communications","year":2008,"lang":"en","type":"article","venue":"","topic":"Optical Wireless Communication Technologies","field":"Engineering","cited_by":4,"is_retracted":false,"has_abstract":true,"ca_institutions":"University of British Columbia","funders":"","keywords":"Constellation; Pulse-position modulation; Channel (broadcasting); Poisson distribution; Computer science; Modulation (music); Optical communication; Gaussian; Integer (computer science); Power (physics); Algorithm; Telecommunications; Topology (electrical circuits); Electronic engineering; Mathematics; Physics; Optics; Pulse-amplitude modulation; Detector; Pulse (music); Statistics; Engineering; Quantum mechanics","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":[0.00009649709,0.0001418286,0.0002160383,0.0001028354,0.0003000501,0.00002393454,0.001172494,0.0001554647,0.00006591371],"category_scores_gemma":[0.0004651036,0.0001431805,0.00008676777,0.0002427969,0.0006196024,0.0001262302,0.0002869468,0.0002668385,0.00008467571],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.00006174471,"about_ca_system_score_gemma":0.00002084191,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.000009076544,"about_ca_topic_score_gemma":0.00002892488,"domain_scores_codex":[0.9992206,0.00002201808,0.0002864776,0.0001232295,0.0001058383,0.0002418618],"domain_scores_gemma":[0.9964243,0.001008517,0.00002457479,0.002351005,0.0001162478,0.00007531872],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"theoretical_or_conceptual","study_design_gemma":"simulation_or_modeling","study_design_scores_codex":[0.000005118603,0.00007717618,0.0001841327,0.00001769539,0.00005939883,3.754006e-7,0.0001318116,0.001677112,0.001783365,0.9804431,0.01230276,0.003317983],"study_design_scores_gemma":[0.003307798,0.000105989,0.001117335,0.00004999306,0.00005808817,0.00006651929,0.0007465995,0.6824909,0.06846429,0.0354053,0.2070938,0.00109333],"study_design_candidate":"theoretical_or_conceptual","study_design_consensus":null,"genre_codex":"methods","genre_gemma":"empirical","genre_scores_codex":[0.02753059,0.00188781,0.5824386,0.0228806,0.0002039595,0.001263943,0.00009916236,0.007440966,0.3562543],"genre_scores_gemma":[0.6518905,0.0007925049,0.346892,0.00004340821,0.000008698506,0.0001193871,0.00001807911,0.00002328895,0.0002121782],"genre_candidate":"methods","genre_consensus":null,"teacher_disagreement_score":0.9450378,"threshold_uncertainty_score":0.5838732,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.06901944829645468,"score_gpt":0.2462140955548688,"score_spread":0.1771946472584141,"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."}}