Title :
An energy optimal technique for multi-channel allocation and data scheduling in wireless networks
Author :
Neves, T.F. ; Caetano, Marcos F. ; Bordim, Jacir Luiz
Author_Institution :
Dept. de Cienc. da Comput., Univ. de Brasilia, Brasilia, Brazil
Abstract :
The growing demand for mobile wireless access has stimulated the emergence of new communication technologies. Opportunistic Spectrum Access (OSA) is viewed as a promising alternative to overcome the problems caused by static spectrum assignment. Opportunistic access allows dynamic mapping of the transmission needs and communication opportunities. However, performing this task efficiently is not trivial. Indeed, it has been shown to be NP-complete. In this context, this paper presents an efficient heuristic for solving the channel allocation and data assignment problem, according to the opportunities and channels available. The proposed heuristic is optimal in terms of energy consumption, being close to the optimum, about 5% above, in terms of transmission time.
Keywords :
channel allocation; mobile radio; radio access networks; radio spectrum management; NP-complete; OSA; data assignment problem; data scheduling; dynamic mapping; energy consumption; energy optimal technique; mobile wireless access; multichannel allocation; opportunistic spectrum access; static spectrum assignment; transmission time; wireless network; Electronic mail; Irrigation; Mobile communication; Processor scheduling; Resource management; TV; Wireless networks; Energy Optimum Protocols; Multi-Channel Allocation; Network Protocols; OSA; Scheduling; Wireless Networks;
Conference_Titel :
Informatica (CLEI), 2012 XXXVIII Conferencia Latinoamericana En
Conference_Location :
Medellin
Print_ISBN :
978-1-4673-0794-9
DOI :
10.1109/CLEI.2012.6426918