Abstract
In order to solve the high precision and high time efficiency TDOA and FDOA estimation of communication signal in multi-station location system, we proposed an estimation algorithm based on fine classification and combination. Through the design of different fine classification series number, the algorithm can reduce the operation time effectively, and the estimation accuracy of TDOA and FDOA are developed by adopting the quadratic surface fitting. Simulation results show that when the carrier to noise ratio(CNR) is −5 to 5 dB, the estimation accuracy of TDOA is 20–100 ns, the estimation accuracy of FDOA is 45–100 MHz, which are improved by 3–4 times compared with the traditional estimation algorithm. Meanwhile, the operation time is reduced by more than one half according to the different fine classification series.
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Zhang, C. (2020). The TDOA and FDOA Algorithm of Communication Signal Based on Fine Classification and Combination. In: Liang, Q., Wang, W., Liu, X., Na, Z., Jia, M., Zhang, B. (eds) Communications, Signal Processing, and Systems. CSPS 2019. Lecture Notes in Electrical Engineering, vol 571. Springer, Singapore. https://doi.org/10.1007/978-981-13-9409-6_55
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DOI: https://doi.org/10.1007/978-981-13-9409-6_55
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