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Ultra-WideBand Channel Measurement with Compressive Sampling for Indoor Localization
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 Title & Authors
Ultra-WideBand Channel Measurement with Compressive Sampling for Indoor Localization
Kim, Sujin; Myung, Jungho; Kang, Joonhyuk; Sung, Tae-Kyung; Lee, Kwang-Eog;
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In this paper, Ulta-WideBand (UWB) channel measurement and modeling based on compressive sampling (CS) are proposed. The sparsity of the channel impulse response (CIR) of the UWB signal in frequency domain enables the proposed channel measurement to have a low-complexity and to provide a comparable performance compared with the existing approaches especially used for the indoor geo-localization purpose. Furthermore, to improve the performance under noisy situation, the soft thresholding method is also investigated in solving the optimization problem for signal recovery of CS. Via numerical results, the proposed channel measurement and modeling are evaluated with the real measured data in terms of location estimation error, bandwidth, and compression ratio for indoor geo-localization using UWB system.
ultra-wideband;frequency domain channel measurement;compressive sampling;time of arrival(ToA);
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