Throughput analysis of TCP-friendly rate control in mobile hotspots

Sangheon Pack; Xuemin Shen; Jon W. Mark; Lin Cai

doi:10.1109/TWC.2008.060426

Throughput analysis of TCP-friendly rate control in mobile hotspots

Sangheon Pack, Xuemin Shen, Jon W. Mark, Lin Cai

School of Electrical Engineering

Research output: Contribution to journal › Article › peer-review

15 Citations (Scopus)

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.

Original language	English
Pages (from-to)	193-203
Number of pages	11
Journal	IEEE Transactions on Wireless Communications
Volume	7
Issue number	1
DOIs	https://doi.org/10.1109/TWC.2008.060426
Publication status	Published - 2008 Jan

Bibliographical note

Funding Information:
Manuscript received June 29, 2006; revised October 1, 2006; accepted December 6, 2006. The associate editor coordinating the review of this paper and approving it for publication was W. Liao. This work has been supported in part by a Strategic Grant from the Natural Sciences and Engineering Research Council (NSERC) of Canada under Grant No. STPGP 257682, and in part by the Korea Research Foundation Grant No. M01-2005-000-10073-0.

Keywords

Mobile hotspot
Performance analysis
TCP-friendly rate control
TFRC throughput

ASJC Scopus subject areas

Computer Science Applications
Electrical and Electronic Engineering
Applied Mathematics

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10.1109/TWC.2008.060426

Cite this

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title = "Throughput analysis of TCP-friendly rate control in mobile hotspots",

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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AU - Mark, Jon W.

AU - Cai, Lin

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N2 - 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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Throughput analysis of TCP-friendly rate control in mobile hotspots

Abstract

Bibliographical note

Keywords

ASJC Scopus subject areas

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