摘要
本文用一阶近似多项式分解来近似代替扩频码的相关阵逆阵 ,得到一种近似解相关检测器 ,文中对该检测器的误码率进行了详细地分析 ,给出了误码率的解析表达式 .并和解相关检测器以及基于匹配滤波器的接收机进行了比较 ,数值结果表明这种检测器比常规基于匹配滤波器接收机的性能要优越很多 .
In this paper,an approximate decorrelating detector is analyzed on the basis of a first order approximation to the inverse crosscorrelation matrix of signature waveforms.Then we detail on the closed form of bit-error-rate of the approximate decorrelating detector.We present an approximate analysis of the bit-error-rate performance on additive white Gaussian noise (AWGN) channel and flat fading channel respectively.Further,we compare the approximate decorrelating detector with decorrelating detector and matched filter receiver,and numerical results show that the performance of the approximate detector degrades a little compared to decorrelating detector,but outperforms that of matched filter receiver greatly.
出处
《电子学报》
EI
CAS
CSCD
北大核心
2000年第z1期162-164,共3页
Acta Electronica Sinica
