Estimation of the hysteresis value for handover decision algorithms using Bayes criterion

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Estimation of the hysteresis value for handover decision algorithms using Bayes criterion

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Title: Estimation of the hysteresis value for handover decision algorithms using Bayes criterion
Author: Senadji, B; Boashash, B
Abstract: In mobile radio communications, inter-cell handover is the process whereby a call in progress is maintained while the mobile unit passes through different cells. Current handover decision algorithms compare the difference between the received signal strengths from different base-stations to a hysteresis value. The proposed paper is a contribution towards an optimal estimation of the hysteresis value using Bayes criterion. An expression of the threshold value h is derived in terms of the standard deviation a of the log-normal shadowing affecting the received signals and the ratio η between the a priori probability of handover and probability of no handover. The performance of the handover decision algorithm is evaluated in terms of the probability of false alarm, or probability of unnecessary handover, and probability of detection, or probability of successful handover.
Description: This paper presents a method for optimal estimation of the hysteresis value in handover decision based on Bayes criterion. (The most recent upgrade of the original software package that calculates Time-Frequency Distributions and Instantaneous Frequency estimators can be downloaded from the web site: www.time-frequency.net. This was the first software developed in the field, and it was first released publicly in 1987 at the 1st ISSPA conference held in Brisbane, Australia, and then continuously updated).
URI: http://hdl.handle.net/10576/10750
Date: 1997-09

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