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A new analysis of double-dwell serial search and its performance in direct-sequence spread-spectrum systems

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3 Author(s)
Yingjie Zhang ; State Key Laboratory on Microwave and Digital Communications, Tsinghua National Laboratory for Information Science and Technology, Department of Electronic Engineering, Tsinghua University, Beijing 100084, China ; Zhengyuan Xu ; Ning Ge

The problem of code acquisition in a direct-sequence spread-spectrum(DSSS) system in dense multipath environment is addressed. And the performance improvement of this acquisition has been a difficult issue, because the theoretical analysis is both complex and not accurate enough. In this paper, we propose a mathematical analysis based on the theory of flow graph, which has significantly reduced computation complexity by about 92% and helped to optimize parameters to get a better performance. This method is both systematic and general. Simulation indicates the accuracy and usefulness of this method of analysis.

Published in:

Computer Science and Network Technology (ICCSNT), 2011 International Conference on  (Volume:1 )

Date of Conference:

24-26 Dec. 2011