Robust cross-layer design of wireless-profiled TCP mobile receiver for vertical handover

Humphrey Rutagemwa; Sangheon Pack; Xuemin Shen; Jon W. Mark

doi:10.1109/TVT.2007.901066

Robust cross-layer design of wireless-profiled TCP mobile receiver for vertical handover

Humphrey Rutagemwa, Sangheon Pack, Xuemin Shen, Jon W. Mark

School of Electrical Engineering

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

20 Citations (Scopus)

Abstract

In this paper, we consider downward and upward vertical handovers in integrated wireless LAN and cellular networks and address wireless-profiled Transmission Control Protocol premature timeouts due to step increase of round-trip time (RTT) and false fast retransmit due to packet reordering. Specifically, we develop a mobile-receiver centric loosely coupled cross-layer design, which is easy to implement and deploy, backward compatible with the Wireless Application Protocol version 2 architecture, and robust in the absence of perfect cross-layer information. We propose two proactive schemes, called RTT Inflation and RTT Equalization. The RTT Inflation scheme suppresses premature timeouts by carefully inflating retransmission timeout time, and the RTT Equalization scheme prevents false fast retransmit by equalizing the round-trip delay experienced by all packets. We conduct extensive simulations to evaluate the performance in downward and upward vertical handovers. It is demonstrated that the proposed schemes significantly improve the performance in a wide range of network conditions.

Original language	English
Pages (from-to)	3899-3911
Number of pages	13
Journal	IEEE Transactions on Vehicular Technology
Volume	56
Issue number	6 II
DOIs	https://doi.org/10.1109/TVT.2007.901066
Publication status	Published - 2007 Nov

Bibliographical note

Funding Information:
Manuscript received December 18, 2006; revised February 11, 2007. This work was supported by the Natural Sciences and Engineering Research Council (NSERC) of Canada under Strategic Grant 257682. The review of this paper was coordinated by Dr. P. Lin.

Keywords

Cross layer design
Integrated wireless networks
Mobile communication
Transmission protocols
Vertical handover
Wireless sensor networks
Wireless-profiled Transmission Control Protocol (WP-TCP)

ASJC Scopus subject areas

Automotive Engineering
Aerospace Engineering
Electrical and Electronic Engineering
Applied Mathematics

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10.1109/TVT.2007.901066

Cite this

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title = "Robust cross-layer design of wireless-profiled TCP mobile receiver for vertical handover",

abstract = "In this paper, we consider downward and upward vertical handovers in integrated wireless LAN and cellular networks and address wireless-profiled Transmission Control Protocol premature timeouts due to step increase of round-trip time (RTT) and false fast retransmit due to packet reordering. Specifically, we develop a mobile-receiver centric loosely coupled cross-layer design, which is easy to implement and deploy, backward compatible with the Wireless Application Protocol version 2 architecture, and robust in the absence of perfect cross-layer information. We propose two proactive schemes, called RTT Inflation and RTT Equalization. The RTT Inflation scheme suppresses premature timeouts by carefully inflating retransmission timeout time, and the RTT Equalization scheme prevents false fast retransmit by equalizing the round-trip delay experienced by all packets. We conduct extensive simulations to evaluate the performance in downward and upward vertical handovers. It is demonstrated that the proposed schemes significantly improve the performance in a wide range of network conditions.",

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author = "Humphrey Rutagemwa and Sangheon Pack and Xuemin Shen and Mark, {Jon W.}",

note = "Funding Information: Manuscript received December 18, 2006; revised February 11, 2007. This work was supported by the Natural Sciences and Engineering Research Council (NSERC) of Canada under Strategic Grant 257682. The review of this paper was coordinated by Dr. P. Lin.",

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AU - Shen, Xuemin

AU - Mark, Jon W.

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N2 - In this paper, we consider downward and upward vertical handovers in integrated wireless LAN and cellular networks and address wireless-profiled Transmission Control Protocol premature timeouts due to step increase of round-trip time (RTT) and false fast retransmit due to packet reordering. Specifically, we develop a mobile-receiver centric loosely coupled cross-layer design, which is easy to implement and deploy, backward compatible with the Wireless Application Protocol version 2 architecture, and robust in the absence of perfect cross-layer information. We propose two proactive schemes, called RTT Inflation and RTT Equalization. The RTT Inflation scheme suppresses premature timeouts by carefully inflating retransmission timeout time, and the RTT Equalization scheme prevents false fast retransmit by equalizing the round-trip delay experienced by all packets. We conduct extensive simulations to evaluate the performance in downward and upward vertical handovers. It is demonstrated that the proposed schemes significantly improve the performance in a wide range of network conditions.

AB - In this paper, we consider downward and upward vertical handovers in integrated wireless LAN and cellular networks and address wireless-profiled Transmission Control Protocol premature timeouts due to step increase of round-trip time (RTT) and false fast retransmit due to packet reordering. Specifically, we develop a mobile-receiver centric loosely coupled cross-layer design, which is easy to implement and deploy, backward compatible with the Wireless Application Protocol version 2 architecture, and robust in the absence of perfect cross-layer information. We propose two proactive schemes, called RTT Inflation and RTT Equalization. The RTT Inflation scheme suppresses premature timeouts by carefully inflating retransmission timeout time, and the RTT Equalization scheme prevents false fast retransmit by equalizing the round-trip delay experienced by all packets. We conduct extensive simulations to evaluate the performance in downward and upward vertical handovers. It is demonstrated that the proposed schemes significantly improve the performance in a wide range of network conditions.

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Robust cross-layer design of wireless-profiled TCP mobile receiver for vertical handover

Abstract

Bibliographical note

Keywords

ASJC Scopus subject areas

Access to Document

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