NDLI: Network performance improvement of MIMO two-way relay with respect to CSMA/CA mesh networks

Content Provider	IEEE Xplore Digital Library
Author	Khanh Tran Gia Sakaguchi, K. Araki, K.
Copyright Year	2009
Description	Author affiliation: Graduate School of Science and Engineering, Tokyo Institute of Technology (Khanh Tran Gia; Sakaguchi, K.; Araki, K.)
Abstract	Backbone wireless mesh network has been attracted much of attention due to a wide range of its application such as smart utility network, sensor network, etc. The employment of CSMA/CA based MAC protocols to mesh network, however, reveals high latency and low resource utilization due to problems of hidden terminal, exposed terminal, information asymmetry etc. Several alternative protocols including directional MAC, multichannel MAC only provide marginal improvement. In recent publication, a cross-layer design employing multiple antenna techniques and network coding called MIMO two-way relay is proposed for one dimensional mesh network. Owing to interference cancellation ability of MIMO, bi-directional flow multiplexing capability of network coding in combination with an efficient channel access scheme of TDMA/TDD, MIMO two-way relay provides significantly high end-to-end capacity. In this paper, we propose MIMO two-way relay as an alternative PHY/MAC protocol of CSMA/CA. A network simulator employing MIMO two-way relay is developed and more details on packet relaying mechanism of the algorithm are presented. Simulation results show that MIMO two-way relay achieves an extremely large improvement in network throughput, and packet delay reduction in comparison with CSMA/CA mesh networks.
Starting Page	1
Ending Page	5
File Size	962211
Page Count	5
File Format	PDF
ISBN	9781424446568
DOI	10.1109/ICICS.2009.5397596
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2009-12-08
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	MIMO Relays Multiaccess communication Mesh networks Media Access Protocol Network coding Spine Wireless mesh networks Intelligent sensors Wireless sensor networks
Content Type	Text
Resource Type	Article

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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