Abstract

In this paper, we analyze localization capabilities of multi-band OFDM UWB systems. TDOA (time difference of arrival) method is used for localization. M temporally synchronized sensors are localizing transmitter of unknown location. Space-temporal signal model in AWGN channel and in IEEE 802.15.3a channel model is derived analytically. We investigate the influence of correlation of channels between transmitter and each of sensors in sensor array on localization accuracy. The results are verified through simulation of hypothetical measurement setup where sensor array have circular geometry and the transmitter is placed within the array circle.

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