作者: Takenobu Arima , Kazuyuki Miya , Katsuhiko Hiramatsu , Toshiyuki Uehara
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摘要: A transfer rate decision method capable of optimizing (modulation and coding rate) allocation with a high accuracy in the AMC method. In this method, base station detects Doppler frequency (moving speed) each mobile by using detector (117). According to obtained (117), an MCS unit (125) corrects relationship expression between (coding modulation method) CIR. For example, threshold value CIR is corrected optimal for report decided. The result output (101) (103).