摘要
作为一种高效的传输技术的正交频分复用(OFDM),将被广泛地应用于下一代无线通信系统。介绍了OFDM系统中基于导频的信道估计算法,并通过计算机仿真给出了各种算法的误码率特性和均方误差性能,仿真结果验证了线性最小均方误差(LMMSE)的性能比最小平方(LS)更为优越。
OFDM (Orthogonal Frequency Division Multiplexing) is a kind of transmission techniques with high efficiency, which will be widely used in Next-generation wireless communication systems. This paper presents pilot-based channel estimation algorithms in OFDM systems, and provides Bit Error Rate (BER) and Mean Square Error (MSE) performance through simulation.
出处
《重庆邮电学院学报（自然科学版）》
2004年第4期17-20,共4页
Journal of Chongqing University of Posts and Telecommunications(Natural Sciences Edition)
基金
国家"863"高新技术项目(2002AA123046)资助
