一种适合突发通信的信号检测改进算法  

Improved Signal Detecting Algorithm for Burst Communication

作　　者：冯文江[1] 王红霞[1] 侯剑辉[1] 李国权[1] 

机构地区：[1]重庆大学通信工程学院,重庆400030

出　　处：《重庆大学学报（自然科学版）》2007年第2期58-60,74,共4页Journal of Chongqing University

基　　金：重庆市自然科学基金资助项目(CSTC2005BB2193);移动通信技术重庆市信息产业部重点实验室开放基金资助项目

摘　　要：突发信号检测是突发通信接收时所需完成的第1个同步算法.在双滑动窗口算法实现突发通信信号检测的基础上,利用前导码的特征对该算法进行改进.并针对几种典型的无线信道条件,对改进算法进行了理论分析、计算机仿真及FPGA实现.结果表明,改进后的算法开销小,只需6个符号左右就可以检测到突发信号,明显提高了检测算法的性能.Signal detecting is the first task for Burst communication. The paper proposes an improved double sliding window algorithm to detect burst signal based on the feature of preamble sequence. Additionally, theory analysis and computer simulation of the improved algorithm are also made in several typical channels. At last, the algorithm is realized with FPGA, and the result indicates that the improved algorithm can detect burst signal only within the time of 6 symbols, obviously improving the capability of signal detecting algorithm.

关 键 词：突发通信 信号检测 双滑动窗口算法 

分 类 号：TN929.532[电子电信—通信与信息系统]