NDLI: A relay based MAC protocol to support multi-rate feature in mobile ad hoc networks

Content Provider	IEEE Xplore Digital Library
Author	Zeng, W. Tan, H. Suda, T.
Copyright Year	2005
Description	Author affiliation: Sch. of Inf. & Comput. Sci., California Univ., Irvine, CA, USA (Zeng, W.; Tan, H.; Suda, T.)
Abstract	Multi-rate feature is an important advance in wireless communications. It enables wireless devices to operate at high data rate when the channel condition is sufficiently good. Existing ad hoc routing protocols can not perform very well in the multi-rate ad hoc networks because they generally assume that bandwidth of different links are identical in the system. One straightforward solution to this issue is to use special routing metrics in routing algorithm, which is called routing approach. However, we believe that only localized reaction is performed in response to the local event. Based on this design principle, we propose a relay based medium access scheme to employ multi-rate capability even if existing minimum-hop based routing protocols are used. This scheme takes advantage of the node residing between neighboring nodes as a relay node and transforms a long-range transmission into two short-range transmissions. In our scheme design, we are very careful in reducing the additional overhead caused in order to exploit the high data rate transmission. Simulations show that our scheme achieve better throughput compared with 802.11 MAC scheme, a rate-adaptive MAC protocol called RBAR and the routing approach.
Starting Page	145
Ending Page	154
File Size	292456
Page Count	10
File Format	PDF
ISBN	0769523757
DOI	10.1109/MOBIQUITOUS.2005.6
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2005-07-17
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Relays Media Access Protocol Intelligent networks Mobile ad hoc networks Routing protocols Wireless communication Throughput Signal to noise ratio Transmitters Ad hoc 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
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
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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