Cart (Loading....) | Create Account
Close category search window

On Fairness Enhancement for CSMA/CA Wireless Networks

Sign In

Cookies must be enabled to login.After enabling cookies , please use refresh or reload or ctrl+f5 on the browser for the login options.

Formats Non-Member Member
$31 $13
Learn how you can qualify for the best price for this item!
Become an IEEE Member or Subscribe to
IEEE Xplore for exclusive pricing!
close button

puzzle piece

IEEE membership options for an individual and IEEE Xplore subscriptions for an organization offer the most affordable access to essential journal articles, conference papers, standards, eBooks, and eLearning courses.

Learn more about:

IEEE membership

IEEE Xplore subscriptions

3 Author(s)
Caishi Huang ; Hong Kong Univ. of Sci. & Technol., Kowloon, China ; Chin-Tau Lea ; Wong, A.K.-S.

Location dependency and its associated exposed receiver problem create the most severe unfairness scenario in CSMA/CA protocol. To address this issue, we develop an analytical model to study 1) the likelihood of the exposed receiver problem and how this likelihood varies with the carrier sensing and the transmission ranges; 2) the probabilities of successful RTS receptions and of successful RTS/CTS handshakes of the disadvantaged link under the typical exposed receiver scenario. Based on the analytical insights, we propose a receiver assistance feature as addition to the CSMA/CA protocol so that the receiver of a disadvantaged link can help the sender to contend for channel access. In terms of compatibility with the existing 802.11 protocol, the proposed feature requires only one bit of modification in the packet header. Simulation results show that the proposed feature not only significantly improves the fairness of the CSMA/CA protocol, but also increases the overall throughput, all accomplished without creating other side effects, such as aggravation of the hidden terminal problem.

Published in:

Systems Journal, IEEE  (Volume:4 ,  Issue: 4 )

Date of Publication:

Dec. 2010

Need Help?

IEEE Advancing Technology for Humanity About IEEE Xplore | Contact | Help | Terms of Use | Nondiscrimination Policy | Site Map | Privacy & Opting Out of Cookies

A not-for-profit organization, IEEE is the world's largest professional association for the advancement of technology.
© Copyright 2014 IEEE - All rights reserved. Use of this web site signifies your agreement to the terms and conditions.