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COARSE: a cluster-based quality-oriented adaptive radio resource allocation scheme

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4 Author(s)
Venkataraman, H. ; RINCE Inst., Dublin City Univ., Dublin, Ireland ; Chowdhary, A. ; Sikora, A. ; Muntean, G.-M.

There is an increasing demand by an ever-growing number of mobile customers for transfer of rich media content. This requires very high bandwidth which either cannot be provided by the current cellular systems or puts pressure on the wireless networks, affecting customer service quality. This study introduces COARSE - a novel cluster-based quality-oriented adaptive radio resource allocation scheme, which dynamically and adaptively manages the radio resources in a cluster-based two-hop multi-cellular network, having a frequency reuse of one. COARSE is a cross-layer approach across physical layer, link layer and the application layer. COARSE gathers data delivery-related information from both physical and link layers and uses it to adjust bandwidth resources among the video streaming end-users. Extensive analysis and simulations show that COARSE enables a controlled trade-off between the physical layer data rate per user and the number of users communicating using a given resource. Significantly, COARSE provides 25-75% improvement in the computed user-perceived video quality compared with that obtained from an equivalent single-hop network.

Published in:

Communications, IET  (Volume:6 ,  Issue: 1 )