Abstract
The theoretical method on the residual delay, in order to analyze the influence on antenna arraying signal combining, is given. First, we adopt a fractional delay all-pass filter to build a simulation model and give the design process of the simulation model on the residual delay. Then, we raise theoretical formula of the wideband signal combining loss on the residual delay through the derivation. Finally, we prove that theoretical results are consistent with the simulation results by simulation experiments and verify the correctness of the theoretical formula. Experimental results show that the greater the phase difference caused by the residual delay, the greater the impact of the wideband signal combining losses. For wideband signals, if the required combine loss is less than 0.1 dB, \( \varepsilon \) should be less than 0.068 symbol period.
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Jiao, Y., Liu, Y., Ma, H., Wu, T. (2019). Influence Analysis of Combining Performance on Antenna Arraying upon the Residual Delay. In: Liang, Q., Liu, X., Na, Z., Wang, W., Mu, J., Zhang, B. (eds) Communications, Signal Processing, and Systems. CSPS 2018. Lecture Notes in Electrical Engineering, vol 515. Springer, Singapore. https://doi.org/10.1007/978-981-13-6264-4_82
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DOI: https://doi.org/10.1007/978-981-13-6264-4_82
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