一种改进型PN码定时跟踪环

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Abstract In this paper a novel non-coherent all-digital timing tracking scheme is described and analyzed for chip timing synchronization in direct sequence spread spectrum systems. Results of the theoretical analysis and computer simulations show that the scheme improves tracking performance as compared with the traditional delay-locked loop (DLL) in an AWGN environment. Also, the new scheme enhances the hardware simplification with respect to other traditional non-coherent schemes.

Key words： Spread spectrum communication CDMA Timing synchronization Delay-locked loop

Received: 16 May 2005

PACS:

TN914.5

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	Luo Wu
	Wang Wei-ping
	Dong Ming-ke
	Liang Qing-lin

Cite this article:

Luo Wu,Wang Wei-ping,Dong Ming-ke等. A Novel PN Code Timing Tracking Loop for DS/CDMA Systems[J]. , 2006, 28(4): 675-679 .

URL:

http://jeit.ie.ac.cn/EN/ OR http://jeit.ie.ac.cn/EN/Y2006/V28/I4/675