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- W2155403670 abstract "A computationally efficient ranging scheme that estimates time of arrival (TOA) by a low complexity minimum mean square error (MMSE) and a matrix pencil techniques is proposed for IEEE 802.15.4a chirp spread spectrum system. In TOA estimation, it is known that accurate channel delay can be estimated by the MMSE technique. However, the major drawback of the MMSE is its high computational complexity, which grows with number of signal samples. In this paper, thus, a computational efficient MMSE technique based on the chirp spectrum characteristic is proposed for a low complexity ranging algorithm. The proposed TOA estimation method consists of two-step signal processing: proposed low complexity MMSE-based channel impulse response (CIR) estimation and the channel delay tracking by matrix pencil algorithm. The proposed TOA estimation method not only has low computational complexity, but also achieves small ranging error. The effectiveness of the proposed algorithm is demonstrated by simulation results." @default.
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- W2155403670 date "2008-11-01" @default.
- W2155403670 modified "2023-10-16" @default.
- W2155403670 title "Low complexity ranging algorithm based on TOA for IEEE 802.15.4a system" @default.
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- W2155403670 doi "https://doi.org/10.1109/milcom.2008.4753445" @default.
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