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This paper proposes a geometric method to locate a mobile station (MS) in a mobile cellular network when both the range and angle measurements are corrupted by non-line-of-sight (NLOS) errors. The MS location is restricted to an enclosed region by geometric constraints from the temporal-spatial characteristics of the radio propagation channel. A closed-form equation of the MS position, time of arrival...
Multiple-access interference (MAI) is concerned widely as one of the most important problems in CDMA system. Most existing researches are under the Gaussian noise assumption, which is not coincident with the real situation. Actually, the more impulsive is the noise, the more severe is the performance degradation incurred by the conventional detectors. This paper proposes a novel robust blind multiuser...
Evoked potentials (EPs) have been widely used to quantify neurological system properties. Traditional EP analyses are developed under the condition that the background noise in EP analysis are Gaussian distributed. Alpha stable distribution, a generalization of Gaussian, is better for modeling impulsive noise than Gaussian distribution in biomedical signal processing. Conventional blind separation...
The least mean square time delay estimate (LMSTDE) algorithm is independent of the prior knowledge of signals and noises. Under the LMS criterion, the best estimate is acquired by automatic adjusting related parameters. In this paper, we applied LMSTDE to estimate the propagation velocities of four-channel gastric myoelectrical recordings that were obtained from implanted gastric serosal electrodes...
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