A packet loss discrimination algorithm in wireless IP networks

Authors:
Hai-tao Zhao;Yu-ning Dong;Yang Li
Affiliations:
College of Communication and Information Engineering, Nanjing University of Posts and Telecommunications, Nanjing, China;College of Communication and Information Engineering, Nanjing Univ. of Posts and Telecommunications, Nanjing, China and Jiangsu Provincial Key Lab of Computer Information Processing Technology, Su ...;College of Communication and Information Engineering, Nanjing University of Posts and Telecommunications, Nanjing, China
Venue:
WiCOM'09 Proceedings of the 5th International Conference on Wireless communications, networking and mobile computing
Year:
2009

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Abstract

In this paper, we propose an algorithm WMTA (Wireless Multimedia Transmission Algorithm) for multimedia transmission control over wireless-wired IP networks. The relationship between packet length and packet loss rate over the Markov wireless error model is investigated. Based on this character, the algorithm can detect the nature of packet losses by sending large and small packets alternately, and control the sending rate of nodes. Furthermore, by use of an updating factor K, the algorithm can adapt to the changes of network states quickly. Extensive computer simulations demonstrate that the proposed scheme is effective in satisfying the end to end quality of service and reducing the congestion loss rate in various network topologies.