Share Email Print
cover

Proceedings Paper

Doppler shift estimation in DS/SS receiver using correlation-peak waveform fitting
Author(s): Tingyan Yao; Weigang Zhao; Qishan Zhang; Yanhong Kou
Format Member Price Non-Member Price
PDF $14.40 $18.00

Paper Abstract

We consider the estimation of Doppler shift of the data-modulated signal in the direct sequence spread spectrum (DS/SS) communication system. A new open-loop Doppler shift estimation algorithm is developed by taking advantage of the priori knowledge that correlation peak is Sinc-function of Doppler shift in the DS/SS receiver. The proposed algorithm samples correlation peaks on different Doppler shifts and fits these samples to the correlation peak curve using a nonlinear least squares method. Performance of the proposed method is demonstrated by statistical analysis and numerical simulation. And a comparison with the four-quadrant frequency discriminator algorithm (FQFD) is given.

Paper Details

Date Published: 10 November 2007
PDF: 6 pages
Proc. SPIE 6795, Second International Conference on Space Information Technology, 679517 (10 November 2007); doi: 10.1117/12.773628
Show Author Affiliations
Tingyan Yao, Beijing Univ. of Aeronautics and Astronautics (China)
Weigang Zhao, Beijing Univ. of Aeronautics and Astronautics (China)
Qishan Zhang, Beijing Univ. of Aeronautics and Astronautics (China)
Yanhong Kou, Beijing Univ. of Aeronautics and Astronautics (China)


Published in SPIE Proceedings Vol. 6795:
Second International Conference on Space Information Technology

© SPIE. Terms of Use
Back to Top