Coherent detection is always used in coded cooperation system, but it needs accurate channel estimation, which increases the system complexity.
通常的编码协作采用相干检测方式，要求精确的信道估计，从而增加了系统实现复杂度。
Specifically, three kinds of cooperation protocols are outlined, including basic cooperation strategies, space-time-coded cooperation protocols and coded cooperation.
首先综述了现有的三大类协作协议，分别为基本协作协议、空时编码协作协议以及编码协作协议。
For the rate reduction induced by using cyclic redundancy check (CRC) in coded cooperation, an improved threshold selection relaying scheme is proposed for coded cooperation.
针对编码协作中采用循环冗余校验(CRC)方案会降低系统传输速率的问题，提出了一种改进的门限选择中继方案。
For the rate reduction induced by using cyclic redundancy check (CRC) in coded cooperation, an improved threshold selection relaying scheme is proposed for coded cooperation.
针对编码协作中采用循环冗余校验(CRC)方案会降低系统传输速率的问题，提出了一种改进的门限选择中继方案。
应用推荐