Accurate Acquisition of High Order Double Binary Offset Carrier Signals for High Dynamic Environment

Tianqi ZHANG; Shuai YUAN; Donghua LIU; Qun LI

doi:10.11999/JEIT180087

Volume 40 Issue 11

Oct. 2018

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Article Navigation > Journal of Electronics & Information Technology > 2018 > 40(11): 2728-2735

Tianqi ZHANG, Shuai YUAN, Donghua LIU, Qun LI. Accurate Acquisition of High Order Double Binary Offset Carrier Signals for High Dynamic Environment[J]. Journal of Electronics & Information Technology, 2018, 40(11): 2728-2735. doi: 10.11999/JEIT180087

Citation:

Tianqi ZHANG, Shuai YUAN, Donghua LIU, Qun LI. Accurate Acquisition of High Order Double Binary Offset Carrier Signals for High Dynamic Environment[J]. Journal of Electronics & Information Technology, 2018, 40(11): 2728-2735. doi: 10.11999/JEIT180087

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Accurate Acquisition of High Order Double Binary Offset Carrier Signals for High Dynamic Environment

doi: 10.11999/JEIT180087

Chongqing Key Laboratory of Signal and Information Processing, Chongqing University of Posts and Telecommunications, Chongqing 400065, China

Funds: The National Natural Science Foundation of China (61671095, 61371164, 61702065, 61701067, 61771085), The Project of Key Laboratory of Signal and Information Processing of Chongqing (CSTC2009CA2003), Chongqing Graduate Research and Innovation Project (CYS17219), The Research Project of Chongqing Educational Commission (KJ1600427, KJ1600429)

Received Date: 2018-01-23
Rev Recd Date: 2018-07-19

Available Online: 2018-08-03

Publish Date: 2018-11-01

Abstract

Abstract

For the problem of without accurate acquisition of Double Binary Offset Carrier (DBOC) modulated signal for high dynamic environment, a method which is based on Partial Matched Filtering (PMF) - Fast Fourier Transform (FFT) is proposed. According to the problem of low detection performance caused by the related loss and scallop loss, a new improved acquisition scheme is proposed. Firstly, the Discrete Polynomial phase Transform (DPT) is used to remove the high order dynamic term of the received signal, and then the PMF-FFT algorithm is redesigned for the DBOC signal. Finally, the spectrum correction method is used to correct the maximum power spectrum after FFT. Simulation results show that, under the same conditions, the proposed scheme improves the detection probability by about 2 dB, and shortens effectively the acquisition time.

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References(15)

References

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