略語大辞典 [C] 30 E-TDMA extended TDMA(time division multiple access) 拡張時分割多重アクセス(方式). ディジタル移動電話の方式.extended TDMA(time division multiple access); a digital cellular phonesystem; uses 30kHz channels as TDMA, and has six users per channel; vocoder rate is cut to 4kbits/s, and the channels are dynamically assigned based on 丸善「略語大辞典」JLogosID : 11874259