A.SDCCH B.TCH C.SACCH D.FACCH
A.話音信道掉話率 B.話音信道擁塞率 C.信令信道掉話率 D.信令信道擁塞率
A.同頻載干比:C/I≥9dB;工程中加3dB余量,即C/I≥12dB; B.鄰頻載干比:C/I≥-9dB;工程中加3dB余量,即C/I≥-6dB; C.載波偏離400KHz時的載干比:C/I(載波/干擾)≥-41dB; D.載波偏離400KHz時的載干比:C/I(載波/干擾)≥-61dB.