By Topic

An adaptive holdoff exponent approach for coordinated distributed scheduling in WiMAX mesh 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

2 Author(s)
Khainu, P. ; Dept. of Electr. Eng., King Mongkut''s Univ. of Technol. North Bangkok, Bangkok, Thailand ; Keeratiwintakorn, P.

IEEE 802.16 or WiMAX is the communication technology which has been designed to support high-speed data communication in a wide area for multimedia applications. Thus, there is a need to provide a guaranteed quality of service (QoS) for such multimedia applications while maintaining the overall network performance. This research proposes a scheduling algorithm to improve the network latency in Coordinated Distributed Scheduling approach by adjusting the transmission holdoff exponent to align with the data priority. The holdoff exponent is adaptively adjusted according to node state information to increase transmission opportunity that could reduce average data transfer delay. To demonstrate the performance of the proposed method, we use NCTU-ns simulation with a mesh network topology and multimedia traffic sources such as Voice over IP (VoIP) and real-time video traffic. The results have shown the improvement using the proposed method over a traditional static holdoff exponent method as defined in IEEE 802.16 standard, especially in the network with dense traffic.

Published in:

Intelligent Signal Processing and Communications Systems (ISPACS), 2011 International Symposium on

Date of Conference:

7-9 Dec. 2011