Analysis and Optimization of Channel Allocation Strategies in Cellular Network
نویسنده
چکیده
In a cellular communication network the service area is divided into hexagonal cells and each cell is under the control of a given base station. The channel assignment problem is that given a set of cells and each with a demand of a given number of channels these have to assign frequencies for each channel so as to minimize the total radio frequency bandwidth of the system. Subject to the given interference restrictions such as co-channel and cosite, adjacent-channel and hand-off constraints. This paper mainly discuss with analysis of channel assignment strategies, study of optimization strategies and design of an efficient allocation strategy based on hyper-heuristic methodology. The simulations are carried out to exploit a mobility model that provides different degrees of offered traffic. Results show that the proposed method can achieve promising results. And it emerges that the hyper-heuristic methodology coupled with the Deviation Method (DM) acceptance criteria yields a practical way to attain near optimal performance when compared with the benchmark instances, leading a pathway to enhance the capacity.
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