Delay-Constrained multicasting with power-control in wireless networks

Authors:
Yuan Zhang;Bo Yang
Affiliations:
School of Information Science and Engineering, Jinan University, Jinan, China;School of Information Science and Engineering, Jinan University, Jinan, China
Venue:
ICCNMC'05 Proceedings of the Third international conference on Networking and Mobile Computing
Year:
2005

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Abstract

We investigate a power-controlled transmission scheme for multicasting delay-constrained traffic in single-hop wireless networks. Particularly, we consider that packetized data arrives at the server destined for multiple clients within the transmission range. Each arrived packet needs to be transmitted to clients with a stringent delay constraint. We propose a novel formulation to capture the trade-off between transmission power and quality of service (measured by packets received within delay deadline) in this multicasting scenario. Using dynamic programming, the optimal transmission power can be obtained to provide a certain quality of service and minimize the total transmission energy. Through simulation, our proposed power-controlled multicasting scheme exhibits 20% energy savings over the standard constant SIR approach.