NDLI: A Link-Directionality-Based Dual Channel MAC Protocol with a Power Exchange Algorithm for IEEE 802.11 Ad-Hoc Networks

Content Provider	IEEE Xplore Digital Library
Author	Ping Chung Ng Edwards, D.J. Soung Chang Liew
Copyright Year	2006
Description	Author affiliation: Dept. of Eng. Sci., Oxford Univ. (Ping Chung Ng; Edwards, D.J.)
Abstract	When an IEEE 802.11 ad-hoc network achieves capacity C by using a single channel, the targeted capacity by using two channels should be $_{2middotC}.$ However, most or the multi-channel 802.11 protocols proposed in the literature only appear to be able to achieve less than 60% or the 2middotC targeted capacity. In our paper (2006), we proposed a link-directionality-based dual channel MAC protocol (DCP) to boost the network capacities up to 78% of our targeted capacities, 78%2middotC = 1.56middotC. However, DCP still failed to reach the 2middotC capacity target due to the overheads incurred by the protocol. In this paper, we implement a power exchange algorithm on top of the DCP in an attempt to double the capacities of networks using the single-channel 802.11 protocol. This algorithm incurs relatively small overheads and can further release the protocol constraints imposed by DCP. Simulations show that the proposed scheme (DCPwPEA) can achieve more than 132% of our targeted capacities, 132% 2middotC = 2.64middotC. We believe this protocol can be extended to allow multi-link simultaneous transmissions which can multiply the network capacities of ad-hoc networks by using only two channels
Sponsorship	IEEE COM
Starting Page	1
Ending Page	5
File Size	4488320
Page Count	5
File Format	PDF
ISBN	1424403294
DOI	10.1109/PIMRC.2006.254065
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2006-09-11
Publisher Place	Finland
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Media Access Protocol Power markets Ad hoc networks Power engineering and energy Channel capacity Access protocols Land mobile radio Mobile communication Wireless networks Regions
Content Type	Text
Resource Type	Article

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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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