Abstract
This paper analyzed the shortcomings of the traditional half bit alternation algorithm in weak signal capture sensitivity and capture efficiency, and proposed and verified a DBZP-half-bit differential algorithm. This alternate algorithm not only has a high signal-to-noise ratio gain, but also ensures the capture speed. This algorithm mainly performs the differential coherence operation of adjacent blocks after dividing the signal into half-bit blocks, and then implements the DBZP algorithm with the FFT module added in the block to reduce the complexity of the frequency search unit. The improved algorithm is discussed and verified by simulation, which can achieve good capture performance in actual conditions.
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Shan, K., Song, X., Li, G. (2021). A Weak Signal Capture Algorithm Considering DBZP and Half-bit Difference. In: Barolli, L., Woungang, I., Enokido, T. (eds) Advanced Information Networking and Applications. AINA 2021. Lecture Notes in Networks and Systems, vol 227. Springer, Cham. https://doi.org/10.1007/978-3-030-75078-7_26
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DOI: https://doi.org/10.1007/978-3-030-75078-7_26
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Online ISBN: 978-3-030-75078-7
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