Asymmetric link dynamic routing algorithm for ubiquitous multimedia services

Authors:
Jeong-Jun Suh;Shan Guo Quan;Jeong Doo Park;Jong Hyuk Park;Young Yong Kim
Affiliations:
Department of Electrical and Electronic Engineering, Yonsei University, Seoul, Korea;Department of Electrical and Electronic Engineering, Yonsei University, Seoul, Korea;Department of Electrical and Electronic Engineering, Yonsei University, Seoul, Korea;R&D Institute, HANWHA S&C Co., Ltd., Seoul, Korea;Department of Electrical and Electronic Engineering, Yonsei University, Seoul, Korea
Venue:
MMM'07 Proceedings of the 13th International conference on Multimedia Modeling - Volume Part II
Year:
2007

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Unidirectional links prove costly in wireless ad hoc networks

DIALM '99 Proceedings of the 3rd international workshop on Discrete algorithms and methods for mobile computing and communications

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Abstract

In this paper, we propose an asymmetric link dynamic routing algorithm for ubiquitous multimedia services named DRAMA (Dynamic Routing Algorithm for asymmetric link in Mobile Ad hoc networks). The proposed algorithm allows a first sink node of the unidirectional link to detect the unidirectional link and its reverse route and provide information regarding the reverse route to other sink nodes, thereby minimizing unnecessary flows and effectively using the unidirectional link. DRAMA also incooperates redirection process that actively supports a unidirectional link generated during data transmission to deal with a topology change due to the movement of node. Further, we shows the superiority of DRAMA to the existing algorithms in terms of a delay in data transmission, throughput, and transmission overhead through simulation study.