By Topic

Adaptive Resource Allocation for Layer-Encoded IPTV Multicasting in IEEE 802.16 WiMAX 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
$33 $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)
Wen-Hsing Kuo ; Department of Electrical Engineering, Yuan-Ze University (YZU), Taoyuan, Taiwan ; Wanjiun Liao ; Tehuang Liu

In this paper, we study the utility-based resource allocation problem for layer-encoded IPTV multicast service over WiMAX networks. In this problem, each video stream is encoded into multiple layers. We regard each layer as a multicast subsession. Each layer of a video stream is assigned a utility value, and the number of layers for each program each user can receive is adjustable. The objective is to maximize the total utility (i.e., all users' satisfaction) and the system resource utilization, subject to users' channel conditions, the popularity of a video program, and the total available radio resource. We design a polynomial-time solution to this problem, and show that the difference in the performance of our proposed mechanism and the optimal solution is tightly bounded. Our mechanism supports both unicast and multicast, and both single layer and multi-layer environments. Most importantly, it can be integrated with the multicast mechanism defined in WiMAX standards, and can also be applied to any kind of wireless networks which support adaptive modulation and coding schemes. The performance of our scheme is evaluated by simulation. The simulation results show that this scheme can allocate resource flexibly according to the utility function of each program, the popularity of each program, and the amount of total resource available in the network.

Published in:

IEEE Transactions on Multimedia  (Volume:13 ,  Issue: 1 )