Optimization on distributed cross-layer design for MRMC wireless multi-hop networks

Authors:
Kewei Li;Furong Wang;Xu Xie;Hao Wang
Affiliations:
Dept. of Electronics and Information Engineering, Huazhong university of Science & Technology, Wuhan, Hubei, China;Dept. of Electronics and Information Engineering, Huazhong university of Science & Technology, Wuhan, Hubei, China;Dept. of Electronics and Information Engineering, Huazhong university of Science & Technology, Wuhan, Hubei, China;Dept. of Electronics and Information Engineering, Huazhong university of Science & Technology, Wuhan, Hubei, 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 the distributed algorithm for joint optimal cross-layer design in multiradio multi-channel multi-hop networks. The main objective of this work is to joint optimize injected rate and resource allocation in MRMC networks. In this regard, we formulate the optimal design problem as a mathematic programming where the channel load and input traffic are jointly optimized under the interference limited model. To solve this programming effectively, we decompose the problem to some sub-problems, which are conducted in parallel at each node. The algorithms can be viewed as jointly optimization on the link layer and the transport layer so that end-to-end objectives are met. We provide simulations show that the proposed distributed algorithm is highly efficient for MRMC networks.