Analysis of Acquisition Performance of DS-UWB Signal in the Multiple Access Environment under Perfect and Imperfect Power Control
The acquisition performance of DS-UWB signal employing the serial acquisition scheme in the multiple access environment under perfect and imperfect power control is analyzed. For multiple access interference, when the number of interference users is large enough, it is reasonable to model the interference of the output of the detector as a Gaussian random variable by the center limit theory. Thus, the closed-form expression of the detection probability and false alarm probability of the system can be derived under some interference users. Given a fixed SNR and acquisition threshold, we can get the mean and variance of the acquisition time. From the numerical results, we can find the best mean acquisition time of the system is approximately equal under different interference users.
Shiji Wang Yonggang Chi Naitong Zhang
Communication Research Center Harbin Institute of Technology Harbin, P.R. China
国际会议
2006 International Conference on Communications,Circuits and Systems(第四届国际通信、电路与系统学术会议)
广西桂林
英文
1283-1287
2006-06-25（万方平台首次上网日期，不代表论文的发表时间）