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Network-centric user assignment in the next generation mobile networks

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4 Author(s)
Luan Huang ; Center for Commun. Syst. Res., Surrey Univ., Guildford ; Yajian Liu ; Thilakawardana, S. ; Tafazolli, R.

This letter addresses the user assignment problem for multimedia streaming applications in heterogeneous multicast-enabled wireless networks using a network-centric strategy. The optimal problem is mathematically formulated and proven to be non-deterministic polynomial-time (NP)-hard. An efficient heuristic algorithm is then proposed to find sub-optimal solutions in practical systems. Simulation results demonstrate the improved performance of this heuristic in comparison to a conventional user-centric algorithm

Published in:

Communications Letters, IEEE  (Volume:10 ,  Issue: 12 )

Date of Publication:

December 2006

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