{"id":"W2033525860","doi":"10.5539/nct.v2n2p1","title":"Propagation Models for GSM 900 and 1800 MHz for Port Harcourt and Enugu, Nigeria","year":2013,"lang":"en","type":"article","venue":"Network and Communication Technologies","topic":"Millimeter-Wave Propagation and Modeling","field":"Engineering","cited_by":14,"is_retracted":false,"has_abstract":true,"ca_institutions":"","funders":"","keywords":"Path loss; Port harcourt; Antenna height considerations; Multipath propagation; Minimum mean square error; Mean squared error; Range (aeronautics); Delay spread; Acoustics; Telecommunications; Statistics; Computer science; Physics; Mathematics; Engineering; Antenna (radio); Wireless","routes":{"ca_aff":false,"ca_fund":false,"ca_venue":true,"about_ca":false,"invisible_to_affiliation_only":true},"retraction":null,"screen":null,"direct_labels":[],"prediction":{"model_version":"metacan-v3-hybrid-931329e0061c","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.0001622564,0.0008584408,0.0002961688,0.0007795856,0.0006286324,0.0006749823,0.0004991995,0.0006602096,0.01246013],"category_scores_gemma":[0.000592554,0.0003064385,0.0003685057,0.00119851,0.0001209911,0.0007576398,0.0004238603,0.0005545787,0.0084751],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0007331959,"about_ca_system_score_gemma":0.0008996676,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.03763999,"about_ca_topic_score_gemma":0.04370151,"domain_scores_codex":[0.9998502,0.00003641121,0.00001067958,0.000025846,0.00005018349,0.00002665319],"domain_scores_gemma":[0.9998477,0.00003312426,0.00001890354,0.00001438509,0.00007955636,0.000006386644],"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":[0.0005497352,0.0002607234,0.02306185,0.0009262296,0.00006705676,0.001739643,0.001260751,0.5993049,0.01202463,0.0439134,0.0897144,0.2271767],"study_design_scores_gemma":[0.00008586368,0.0002310965,0.01749666,0.0004131303,0.0000870793,0.00112649,0.001134852,0.6650979,0.003966285,0.01436017,0.2958542,0.0001462443],"study_design_candidate":"simulation_or_modeling","study_design_consensus":"simulation_or_modeling","genre_codex":"other","genre_gemma":"empirical","genre_scores_codex":[0.2716749,0.008110791,0.251132,0.00264209,0.001657199,0.001031476,0.03572767,0.00577202,0.4222518],"genre_scores_gemma":[0.7093339,0.007416508,0.06914682,0.0003792066,0.0001252595,0.001110097,0.02284417,0.0005615759,0.1890824],"genre_candidate":"empirical","genre_consensus":null,"teacher_disagreement_score":0.03763999,"threshold_uncertainty_score":0.0748418,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.02185186746985901,"score_gpt":0.2218333229238524,"score_spread":0.1999814554539934,"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."}}