Study on Pseudo-noise Code Tracking Method for Compressive Domain Direct Sequence Tracking Telemetry and Command Communication Signals

Cheng Yan-he; Yang Wen-ge

doi:10.11999/JEIT141654

Volume 37 Issue 8

Aug. 2015

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Cheng Yan-he, Yang Wen-ge. Study on Pseudo-noise Code Tracking Method for Compressive Domain Direct Sequence Tracking Telemetry and Command Communication Signals[J]. Journal of Electronics & Information Technology, 2015, 37(8): 2028-2032. doi: 10.11999/JEIT141654

Citation:

Cheng Yan-he, Yang Wen-ge. Study on Pseudo-noise Code Tracking Method for Compressive Domain Direct Sequence Tracking Telemetry and Command Communication Signals[J]. Journal of Electronics & Information Technology, 2015, 37(8): 2028-2032. doi: 10.11999/JEIT141654

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Study on Pseudo-noise Code Tracking Method for Compressive Domain Direct Sequence Tracking Telemetry and Command Communication Signals

doi: 10.11999/JEIT141654

Cheng Yan-he¹,
Yang Wen-ge¹

Received Date: 2014-12-29
Rev Recd Date: 2015-03-30
Publish Date: 2015-08-19

Abstract

Abstract

Compressive sensing has a preliminary application to the field of Tracking, Telemetry, and Command (TTC) and communication, which can effectively decrease sampling and data rate, but there is a contradiction between the real-time requirement and the computationally expensive recovery algorithm. In this paper, based on the sparsity of Direct Sequence (DS) TTC and communication signals, a compressive domain Pseudo-Noise(PN) code tracking loop based on random demodulation compressive sampler is proposed. The loop can directly extract the code phase from compressive signal samples, which does not need to recover original signal. Firstly, the loop model and its identification characteristics are analyzed. Secondly, through research on cross noise, tracking accuracy is analyzed. Theoretical analysis and simulation results show that the proposed loop can track PN code phase in compressive domain. The loop may have an important application value to the field of DS Spread Spectrum (SS) and DS/Frequency Hopping (FH) Hybrid SS (HSS) signal processing based on compressive sensing.
- Pseudo-Noise (PN) code tracking,
- Compressive sensing,
- Tracking accuracy,
- Carrier auxiliary,
- Outliers eliminating

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References(19)

References

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