An adaptive cross-layer bandwidth scheduling strategy for the speed-sensitive strategy in hierarchical cellular networks

Authors:
Jong-Shin Chen;Mei-Wen Li;Neng-Chung Wang;Yung-Fa Huang
Affiliations:
Department of Information and Communication Engineering, Chaoyang University of Technology, Taichung County, Taiwan, R.O.C.;Department of Information and Communication Engineering, Chaoyang University of Technology, Taichung County, Taiwan, R.O.C.;Department of Computer Science and Information Engineering, National United University, Miaoli, Taiwan, R.O.C.;Department of Information and Communication Engineering, Chaoyang University of Technology, Taichung County, Taiwan, R.O.C.
Venue:
WSEAS TRANSACTIONS on COMMUNICATIONS
Year:
2009

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Abstract

Efficient bandwidth scheduling of wireless bandwidth is critical to cellular system performance. Bandwidth scheduling methods can be divided into cell-layer channel allocation and call-layer channel assignment. Previous studies are focused on the latter type of method. Some problems, such as traffic-load variations among base stations (BSs) and BSs failed to provide wireless communication service, are the cell-layer problems and are difficult to handle using the call-layer methods. Therefore, this study presents an adaptive cross-layer bandwidth scheduling strategy for hierarchical cellular networks. This strategy is implemented to solve the traffic-adaptation and the fault tolerance problem according to the speed-sensitive call-layer method.