2024-06-15
Analysis and Optimization on Weight Accuracy of the Adaptive Interference Cancellation
By
Progress In Electromagnetics Research Letters, Vol. 121, 13-18, 2024
Abstract
Weight and reference signal are utilized in adaptive interference cancellation (AIC) for vector weighting to generate the signal with equal amplitude and opposite phase to the interference signal. Weight accuracy becomes the core factor to determine the performance of the AIC. In this letter, we analyze the influence of the weight accuracy on interference suppression performance, propose the quantitative characterization method of the weight accuracy with weight noise as an indicator, study the performance and influencing factors of the weight accuracy, and propose the optimization design method. The characteristics of weight accuracy in interference cancellation are verified by theoretical simulation analysis. This work fills in the blank of weight accuracy analysis and has solid theoretical value for exploring the capability boundary of the AIC.
Citation
Yunshuo Zhang, Songhu Ge, Huanding Qin, Hongbo Liu, Zhongpu Cui, and Jin Meng, "Analysis and Optimization on Weight Accuracy of the Adaptive Interference Cancellation," Progress In Electromagnetics Research Letters, Vol. 121, 13-18, 2024.
doi:10.2528/PIERL24042901
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