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TCP-Friendly Rate Control for Vertical Handover over Wireless Heterogeneous Network  

Pyun, Jae-Young (Dept. of information and communication eng., Chosun university)
Publication Information
Journal of the Institute of Electronics Engineers of Korea CI / v.45, no.2, 2008 , pp. 33-40 More about this Journal
Abstract
Streaming video has become a popular form of transferring media over the wired/wireless network. TCP-friendly rate control (TFRC) is used as a streaming media transport protocol. Using the TCP congestion response function and current network conditions, TFRC adjusts its sending rate to yield the maximum TCP-friendly throughput. Since TFRC was designed for applications that would prefer to maintain a slowly-changing sending rate, it is less responsive to changes in handover between wireless heterogeneous networks such as 3G network, WLAN, and so on. This paper shows a new TFRC method for vertical handover over wireless heterogeneous network. The proposed TFRC method has features of low quality interruption and fast rate adaptation to a new target network. The simulation results show that the proposed one provides better QoS and throughput support than the traditional TFRC scheme during vertical handover.
Keywords
Heterogeneous network; Vertical handover; Streaming media; TFRC;
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