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An effective estimation method is proposed for the constant horizontal velocity biases in the inertial-based integrated navigation systems. First, the analytical effects of the constant horizontal velocity biases on the exact inertial navigation errors are analyzed by the output-correction Kalman filter. Second, the sliding-window least-squares estimation method for the biased horizontal velocity...
Mobile location tracking based on the received signal strength (RSS) is known to be easily influenced by the shadowing effects in wireless propagation channels. In this paper, we exploit the correlation among shadowing losses at adjacent locations to improve the performance of location tracking. A location tracking algorithm consisting of a maximum likelihood estimator and a Kalman filter is proposed...
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