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Performance evaluation of soft handoff for multimedia services in intelligent transportation systems based on CDMA

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2 Author(s)
Young-uk Chung ; Hynix Semicond. Inc. Ltd., Seoul, South Korea ; Dong-Ho Cho

To support multimedia services in intelligent transportation systems (ITS), CDMA based radio-on-fiber road-vehicle communication systems were proposed. Soft handoff should be provided for multimedia services because these services are required to guarantee real-time property and quality of service (QoS). The performance evaluation of soft handoff is important in view of system management such as determination of optimal resource allocation, cell configuration, and admission strategy. But, the performance evaluation of soft handoff when multimedia services are serviced has not been previously researched, even though there have been some previous works for voice-call service. In this paper, we develop a new analytical model of soft handoff when multimedia services are served in CDMA based ITS. We evaluate the performance of soft handoff scheme by analytical and simulational method. Blocking probability, handoff failure probability and carried traffic are obtained.

Published in:

Intelligent Transportation Systems, IEEE Transactions on  (Volume:4 ,  Issue: 4 )