Taka Sakurai

Maximizing the stable throughput of high-priority traffic for wireless cyber-physical systems

Qinglin Zhao, Taka Sakurai, Jiguo Yu, Limin Sun

Journal article  |  2016  |  EURASIP JOURNAL ON WIRELESS COMMUNICATIONS AND NETWORKING

In wireless cyber-physical systems (CPS), more and more traffic with different priorities is required to be timely transmitted ove..

On the stable throughput in wireless LANs

Q Zhao, T Sakurai, J Yu, L Sun

Conference Proceedings  |  2015  |  Lecture Notes in Computer Science

© Springer International Publishing Switzerland 2015. The throughput stability is concerned with how much traffic load can be sust..

A Scalable and Accurate Nonsaturated IEEE 802.11e EDCA Model for an Arbitrary Buffer Size

Qinglin Zhao, Danny HK Tsang, Taka Sakurai

Journal article  |  2013  |  IEEE TRANSACTIONS ON MOBILE COMPUTING

IEEE 802.11e EDCA induces service differentiation by appropriate joint tuning of four adjustable contention parameters. Existing a..

Effect of Retransmissions on the Performance of the IEEE 802.11 MAC Protocol for DSRC

Md Imrul Y Hassan, Hai L Vu, Taka Sakurai, Lachlan LH Andrew

Journal article  |  2012  |  IEEE TRANSACTIONS ON VEHICULAR TECHNOLOGY

The reliable delivery of broadcast vehicle-to-vehicle (V2V) safety messages in IEEE 802.11p networks is challenging. We develop a ..

Performance Analysis of the IEEE 802.11 MAC Protocol for DSRC Safety Applications

Md Imrul Hassan, Hai L Vu, Taka Sakurai

Journal article  |  2011  |  IEEE TRANSACTIONS ON VEHICULAR TECHNOLOGY

In this paper, we evaluate and improve the performance of the medium-access control (MAC) protocol for safety applications in a de..

A Simple Critical-Load-Based CAC Scheme for IEEE 802.11 DCF Networks

Qinglin Zhao, Danny HK Tsang, Taka Sakurai

Journal article  |  2011  |  IEEE-ACM TRANSACTIONS ON NETWORKING

This paper proposes a simple and practical call admission control (CAC) scheme for one-hop IEEE 802.11 distributed coordination fu..

Modeling Nonsaturated IEEE 802.11 DCF Networks Utilizing an Arbitrary Buffer Size

Qinglin Zhao, Danny HK Tsang, Taka Sakurai

Journal article  |  2011  |  IEEE TRANSACTIONS ON MOBILE COMPUTING

We propose an approximate model for a nonsaturated IEEE 802.11 DCF network. This model captures the significant influence of an ar..

A new analytical model for the IEEE 802.15.4 CSMA-CA protocol

Feng Shu, Taka Sakurai

Journal article  |  2011  |  COMPUTER NETWORKS

We give new analytical results for the performance of a wireless sensor network using the energy-conserving CSMA-CA MAC protocol o..

A Simple Nonsaturated IEEE 802.11e EDCA Model

Qinglin Zhao, DHK Tsang, Taka Sakurai

Conference Proceedings  |  2011  |  PROCEEDINGS OF THE 2011 INTERNATIONAL SYMPOSIUM ON PERFORMANCE EVALUATION OF COMPUTER AND TELECOMMUNICATION SYSTEMS

We model a nonsaturated IEEE 802.11e EDCA network for a small buffer size. Our model is much simpler and more accurate than others..

A Novel CAC Scheme for Homogeneous 802.11 Networks

Qinglin Zhao, Danny HK Tsang, Taka Sakurai

Journal article  |  2010  |  IEEE TRANSACTIONS ON WIRELESS COMMUNICATIONS

This paper proposes a new call admission control (CAC) scheme for one-hop homogeneous 802.11 DCF networks. Using the proposed sche..