This paper proposes a novel algorithm to locate a mobile terminal (MS) in a cellular system. The proposed algorithm is based signal strength measurements. It considers the fluctuation in received signal strength due to shadowing, and obtains probability density functions (pdf's) of the propagation distances. An overall pdf, obtained by combining the pdf's, is used to determine MS location. Results obtained from computer simulations and field experiments show that the proposed algorithm is more accurate than the conventional cell-based algorithm.
The grade of gastritis and prevalence of mucosal atrophy and intestinal metaplasia were higher in Japanese patients. The difference between Indonesian and Japanese patients was significant.
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