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Rate control for streaming services based on mobility prediction in wireless mobile networks

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4 Author(s)
Chunglae Cho ; Electron. & Telecommun. Res. Inst., Daejeon, South Korea ; Sun-Mi Jun ; Euihyun Paik ; Kwangroh Park

There are many efforts to adapt streaming services to wireless mobile networks. It is hard to assure the QoS of the streaming services in wireless mobile networks because a terminal moves continuously and causes handoff procedures. We focus on delay factors which occur whenever a terminal moves in the wireless mobile environment. It is assumed that a mobile terminal's movement is based on the Gauss-Markov model with the varying velocity affected by its previous velocity. Using this model, we can predict the mobility pattern of a moving terminal and the delay of streaming services caused from handoff procedures during its moving. To compensate the streaming service delay, the paper proposes a dynamic rate control scheme for streaming services based on the next-handoff prediction using the Gauss-Markov model, which is the predictive mobility model based on the varying velocity and the handoff occurrence rates according to the time.

Published in:

Wireless Communications and Networking Conference, 2005 IEEE  (Volume:4 )

Date of Conference:

13-17 March 2005

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