Compact pattern dynamic channel allocation: Discrete-event modeling & performance simulation of an innovative approach

With limited frequency spectrum and a tremendous growth in the demand for mobile communication services, the problem of channel assignment becomes increasingly important. In this paper a novel trafficadaptive non-uniform compact pattern assignment algorithm is presented, which can be exploited in a PCS cellular environment with highly mobile users. The proposed dynamic channel assignment scheme copes with the handoff originated call demands problem as well as focusing on reduction of the blocking probability of the new calls. The simulation of a cellular communication system comprises both discrete and continuous time processes. In this research, computer simulation results on a 49cell network model conducted in a different manner and environment comparing to previous studies indicate superior teletraffic performance of the proposed strategy over its predecessors. By using a discrete time step model traffic simulator based on discrete-event simulation notion, the effect of users’ mobility on the grade of service is also come under study in this research.

[1]  David M. Nicol,et al.  Composite Synchronization in Parallel Discrete-Event Simulation , 2002, IEEE Trans. Parallel Distributed Syst..

[2]  A. Hamid Aghvami,et al.  Resource Allocation in Hierarchical Cellular Systems , 2000 .

[3]  J. D. Parsons,et al.  The Mobile Radio Propagation Channel , 1991 .

[4]  F. Takawira,et al.  Teletraffic performance of an event-driven simulator for a decentralised channel access control scheme in CDMA cellular networks , 1997, Proceedings of the 1997 South African Symposium on Communications and Signal Processing. COMSIG '97.

[5]  Gennaro Boggia,et al.  Modeling dynamic channel allocation in multicellular communication networks , 2001, IEEE J. Sel. Areas Commun..

[6]  Ekram Hossain,et al.  Radio Resource Management in Wireless Networks , .

[7]  Abdol Hamid Aghvami,et al.  A prioritized handoff dynamic channel allocation strategy for PCS , 1999 .

[8]  Paul A. Fishwick,et al.  Simulation model design and execution - building digital worlds , 1995 .

[9]  Syed Zahid Ali,et al.  A systematic methodology for channel assignment in mobile radio networks , 2002, 2002 IEEE Wireless Communications and Networking Conference Record. WCNC 2002 (Cat. No.02TH8609).

[10]  Tak-Shing Peter Yum,et al.  Compact pattern based dynamic channel assignment for cellular mobile systems , 1993 .

[11]  Goutam Chakraborty,et al.  An efficient heuristic algorithm for channel assignment problem in cellular radio networks , 2001, IEEE Trans. Veh. Technol..