High performance power control and opportunistic fair scheduling in TH-PPM UWB ad-hoc multimedia networks

Authors:
Yang Liu;Yu-Kwong Kwok;J. Wang
Affiliations:
Department of Electrical and Electronic Engineering, The University of Hong Kong, Pokfulam, Hong Kong;Department of Electrical and Electronic Engineering, The University of Hong Kong, Pokfulam, Hong Kong;Department of Electronics, University of Kent, Canterbury, UK CT2 7NT
Venue:
The Journal of Supercomputing
Year:
2008

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Abstract

Ultra wideband (UWB) systems are currently an important wireless infrastructure for high performance short-range communications and mobile applications. Indeed, forming ad-hoc networks among various UWB enabled devices is considered as an important mobile data exchange operating environment. In our study, we explore the problem of jointly optimizing the power level and data rate used in the devices in such a UWB based ad-hoc network. We propose a practical optimization algorithm based on judicious power control for real-time applications and opportunistic scheduling for non-real-time applications. Simulation results indicate that our proposed techniques are effective under various practical scenarios.