SIGNAL ACQUISITION FOR SOFTWARE-DEFINED GPS RECEIVER
Abstract
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Signal acquisition plays important role in the estimation of navigation solutions as precise values of code phase and carrier frequency yield more accurate results in positioning systems. Software-defined radios are computationally expensive so we need the solution to reduce the time complexity and processing power. In this paper, we have described and demonstrated the parallel code phase search acquisition method for software-defined GPS by using python. We have compared the computational requirements of the implemented method and other signal acquisition methods. The experimental result shows the difference between the acquisition output of the visible PRNs and invisible PRNs.

Authors
Vijay Mane, Rohan Awale, Pranesh Kulkarni
Vishwakarma Institute of Technology, Pune, India

Keywords
Acquisition, code phase parallel search, correlation, FFT, GPS
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Published By :
ICTACT
Published In :
ICTACT Journal on Communication Technology
( Volume: 13 , Issue: 1 , Pages: 2640-2644 )
Date of Publication :
March 2022
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430
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11

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