短波跳频系统信道BER的实时监测性能分析

The performance and analysis of real time monitoring channel's bit error rate in short wave for frequency hopping system.

基于短波信道 Watterson模型 ,提出了短波跳频系统信道比特差错率(BER)实时监测的一种自适应测量方法。该方法可根据伪错监测统计情况自适应地选择用于非线性外推估值的监测路径来估计 BER,数值模拟结果分析表明 :用非线性外推算法可将估测值的相对误差降低到 49.4%。

Based on the Watterson model of short wave channel, this paper proposed an adaptive measuring method of real time monitoring the channel bit error rate (BER) of frequency hopping for short wave (SW/FH) system. And the method of estimating channel's BER was made use of the detected pseudo errors according to statistic numbers adaptively which was selected by the monitoring path of nonlinear extrapolation algorithm needed. The namerical simulation result analysis shows that non linear extrapolation algorithm can cut down relative error of evaluation of HF channel's BER to 49.4%.