Title :
Network-centric user assignment in the next generation mobile networks
Author :
Huang, Luan ; Liu, Yajian ; Thilakawardana, Shyamalie ; Tafazolli, Rahim
Author_Institution :
Center for Commun. Syst. Res., Surrey Univ., Guildford
fDate :
12/1/2006 12:00:00 AM
Abstract :
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
Keywords :
media streaming; mobile radio; multicast communication; resource allocation; heterogeneous network; heuristic algorithm; multicast-enabled wireless network; multimedia streaming application; network-centric user assignment; next generation mobile network; nondeterministic polynomial-time-hard; Bit rate; Heuristic algorithms; Multicast algorithms; Multimedia systems; Next generation networking; Polynomials; Resource management; Streaming media; Unicast; Wireless networks;
Journal_Title :
Communications Letters, IEEE
DOI :
10.1109/LCOMM.2006.061086
