diversity combination meaning in English
分集合并
Examples
- Research of diversity combination in spread ofdm system
扩频正交频分复用系统中的分集合并技术 - Errors and ber performances with various system parameters are analyzed and compared , so the validity of the amendment is proved . after channel estimations , various diversity combinations are discussed with various user numbers and snr . and some useful conclusions are achieved
在信道估计的基础上，分析和比较了各种分集合并算法在不同的用户数和信噪比下的实现复杂度和误码率性能，得出了有益的结论。 - As we all know , the capability of wireless communication system is constrained by radio propagation channel , especially for future wideband communication system . so it needs more signal processing techniques to withstand bad radio propagation environment , such as diversity combination , coherent detection and channel encoding and decoding etc . for mimo physical layer approaches , channel state information is a prerequisite , thus comes many channel estimation approaches and algorithms
无线通信系统的性能主要受到移动无线信道的制约,特别对未来的宽带移动通信系统更需要采用很多信号处理技术来对抗恶劣的无线传播环境以提高系统性能,比如常见的分集合并、相关检测和信道编解码技术等,而采用这些技术的前提就是要知道信道的状态信息( csi ) 。 - And key technologies of mc - cdma , channel estimations and diversity combinations , are mainly studied for the application of mc - cdma . the channel estimation based on pilot carriers is analyzed , and an improved method with wiener filtering is presented . simulations of the method are carried in time - varying multi - path channel
本文分析了基于导频的信道估计算法，提出了采用维纳滤波平滑的改进估计算法，并在多径时变信道下进行了计算机仿真，对系统各参数分别对信道估计误差和误码率性能的影响做了详细分析和比较，从而证明了算法和改进的有效性。