Optimization of the fixed channel model in channel assignment problem using simulated annealing

Rosman, Norhani (2017) Optimization of the fixed channel model in channel assignment problem using simulated annealing. Project Report. Universiti Teknikal Malaysia Melaka, Melaka, Malaysia. (Submitted)

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Abstract

Recently, mobile communication technology is increasingly sophisticated and users have also increased. Because of it, the channel bandwidth is limited. To increase bandwidth in mobile communications is an expensive operation and it may lead to the wasting of bandwidth. Therefore, frequency reused is one of the techniques in mobile communications to improve utilization of bandwidth. In this study, channel assignment problems for fixed or static assignment of channels is studied and solved by using heuristic technique. An optimal solution is the assignment of channels to cells in network communication with the minimum interference. Simulated annealing (SA) is implemented to solve the channel assignment problem in fixed channel allocation in this study. Annealing is a process in which a solid material will heated to past its melting and then cooled to the frozen state. There have some crucial components of SA which are cooling schedule and neighbourhood structure. The algorithm is written into programming coding to maximize the reuse of the frequency with the minimum interference by using Matlab software. An analytical analysis is carried out to investigate the effects of different parameter values on the cost value that represents the interference level in calls.

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