NDLI: A novel correlation architecture of acquisition for GNSS satellite navigation system receiver based on CORDIC algorithm

Content Provider	IEEE Xplore Digital Library
Author	Wu Peng He Chun Zong Zhu-lin
Copyright Year	2010
Description	Author affiliation: School of Communication and Information Engineering of UESTC, Sichuan Chengdu, 611731, China (Wu Peng; He Chun) \|\| Research Institute of Electronic Science and Technology of UESTC, Sichuan Chengdu, 611731, China (Zong Zhu-lin)
Abstract	Acquisition is the key function modules of the baseband system of satellite navigation receiver. In the GNSS receiver for GPS, GLONASS and Beidou, in order to acquire the three navigation signals at different chip rates and frequency, three FFT processors are needed when using the parallel search based on FFT. GNSS receiver can choose best navigation system according to the signal strength of different system. Under this background, a novel correlation architecture based on CORDIC algorithm is proposed in this paper. Based on the CORDIC architecture, one common acquisition module configured by different parameters for arbitrary system in the GNSS navigation baseband system is built. While in this architecture, the twiddle multiplications are performed by CORDIC-based multipliers, avoids the hardware multiplier which always occupies a lot of hardware resource. The experiment results show that the proposed correlation architecture can greatly reduce the power, hardware resource and consumption while keeping the fast acquisition. It is attractive for the GNSS navigation receivers.
Starting Page	115
Ending Page	121
File Size	127634
Page Count	7
File Format	PDF
ISBN	9781424486540
e-ISBN	9789810863227
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2010-12-03
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Memetic Computing Society
Subject Keyword	Correlation Global Navigation Satellite Systems FFT Receivers Artificial neural networks Hardware Mathematical model CORDIC Acquisition Equations GNSS receiver
Content Type	Text
Resource Type	Article

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