Throughput analysis of TCP-Friendly Rate Control in mobile hotspots
- Authors
- Pack, Sangheon; Shen, Xuemin (Sherman); Mark, Jon W.; Cai, Lin
- Issue Date
- 1월-2008
- Publisher
- IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
- Keywords
- mobile hotspot; TCP-Friendly Rate Control; TFRC throughput; performance analysis
- Citation
- IEEE TRANSACTIONS ON WIRELESS COMMUNICATIONS, v.7, no.1, pp.193 - 203
- Indexed
- SCIE
SCOPUS
- Journal Title
- IEEE TRANSACTIONS ON WIRELESS COMMUNICATIONS
- Volume
- 7
- Number
- 1
- Start Page
- 193
- End Page
- 203
- URI
- https://scholar.korea.ac.kr/handle/2021.sw.korea/124461
- DOI
- 10.1109/TWC.2008.060426
- ISSN
- 1536-1276
- Abstract
- By integrating wireless wide area networks (WWANs) and wireless local area networks (WLANs), mobile hotspot technologies enable seamless Internet multimedia services to users on-board a vehicle. In this paper, we investigate the performance of TCP-Friendly Rate Control. (TFRC) protocol supporting multimedia services in mobile hotspots. To quantify the throughput of TFRC flows in mobile hotspots, we first develop discrete-time queuing models for the WWAN link and the WLAN link. We then derive the steady state TFRC throughput using an iterative algorithm. Analytical and extensive simulation results reveal how the end-to-end TFRC throughput is affected by the number of users in a mobile hotspot, the vehicle velocity, the WWAN[WLAN link bandwidth, the retransmission limit, and the buffer size. It is found that the WWAN channel profile and link bandwidth have significant impacts on the TFRC throughput, and therefore suitable resource allocation and admission control are indispensable for the quality and efficiency of multimedia services in mobile hotspots.
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