Long Term Evolution (LTE) is the next mobile broadband network standard of 3gpp. It's based on OFDM and MIMO, discussing the realization of CR.
LTE是由3gpp定义的下一个移动宽带网络标准，基于OFDM、MIMO等关键技术，论述了实现CR的过程。
Different types of channels have different transmission ranges and the CR users are static or mobile.
网络中不同类型的频谱信道具有不同的覆盖范围，认知用户可以静止或移动。
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