收集网络制式中运用了哪些数字调制
我要回答
问题答案
GSM采用GSMK;
EDGE采用8PSK;
TD-SCDMA采用QPSK,8PSK,16QAM;
TDD/FDD-LTE采用ofdm;
CDMA采用QPSK;
CDMA2000采用QPSK,16QAM,64QAM;
WCDMA采用QPSK,16QAM,64QAM;
自己总结仅供参考
EDGE采用8PSK;
TD-SCDMA采用QPSK,8PSK,16QAM;
TDD/FDD-LTE采用ofdm;
CDMA采用QPSK;
CDMA2000采用QPSK,16QAM,64QAM;
WCDMA采用QPSK,16QAM,64QAM;
自己总结仅供参考
回答者:zhangshiqin 回答时间:2014-05-27 16:48


