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Performance evaluation of soft handoff considering macrodiversity effect in multimedia CDMA systems

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Abstract

The macrodiversity changes the required transmission power to serve a mobile station according to its location. It helps to improve system performance but also causes unexpected call-dropping after handoff. This effect has been neglected when only voice service is provided. But for multimedia traffics which require high data rates, it should be considered. In this paper, we develop a new analytic model of soft handoff considering this effect. Performances have been evaluated with respect to the blocking probability, the handoff failure probability and the region-transition failure probability, using analytic and simulation method. Especially, the region-transition failure probability is a newly introduced performance factor that has been neglected in previous research. Numerical results are compared with previous analytic model to show the effect of macrodiversity on the system performance. The results of this paper can be used for the system management such as determinations of an optimal resource allocation, a cell configuration, and an admission strategy.

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Authors and Affiliations

  1. Department of Electronic Engineering, Kwangwoon University, 447-1, Wolgye-Dong, Nowon-Gu, Seoul, 139-701, Republic of Korea

    Young-uk Chung

  2. Department of Electronics and Communications Engineering, Kwangwoon University, 447-1, Wolgye-Dong, Nowon-Gu, Seoul, 139-701, Republic of Korea

    Suwon Park

Authors
  1. Young-uk Chung
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  2. Suwon Park
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Correspondence to Suwon Park.

Additional information

This work is supported by Basic Science Research Program through the National Research Foundation of Korea (NRF) funded by the Ministry of Education, Science and Technology (2010-0005684) and the Research Grant of Kwangwoon University in 2009.

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Chung, Yu., Park, S. Performance evaluation of soft handoff considering macrodiversity effect in multimedia CDMA systems. Telecommun Syst 53, 179–194 (2013). https://doi.org/10.1007/s11235-011-9527-z

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  • DOI: https://doi.org/10.1007/s11235-011-9527-z

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