一种基于GCL优化序列的变换域信道估计方法  

A channel estimation method based on optimized GCL sequence and transform-domain processing

作　　者：姚燕[1] 邵世祥[1] 

机构地区：[1]南京邮电大学通信与信息工程学院,江苏南京210003

出　　处：《西安邮电学院学报》2008年第3期41-44,共4页Journal of Xi'an Institute of Posts and Telecommunications

摘　　要：首先利用GCL序列低峰均比的特点,对MC-CDMA系统的帧头进行了优化设计。然后采用最佳序列联合变换域处理的方法进行信道估计性能分析。仿真结果表明该方法的系统BER和MSE性能可获得较大的改善。First an optimized training sequence is designed for MC - CDMA system＇ s preamble, due to the low PAPR feature of GCL sequence. Then the proposed preamble and transform - domain processing method are combined to estimate the channel. From the simulation results, the proposed method makes a great improvement in SNR for the same BER and MSE values.

关 键 词：MC—CDMA 信道估计 训练序列 变换域处理 

分 类 号：TN92[电子电信—通信与信息系统]