| ABSTRACT |
WiMAX is a broadband high speed wireless communication system which uses cellular network topology to deploy services to different subscribers. One of the major problems of deploying WiMAX base station is the signal interference caused by neighbouring cells which causes reduction in cell coverage area yard capacity. Using frequency and Fractional Frequency Reuse (FFR) technique helps to solve this problems. In this work we propose new designs for FFR to mitigate inter-cell interference and efficiently use the available network resources. The new FFR with coordination of two types of subcarriers permutation (PUCS and band-AMC) is presented to enhance system performance. The frequency diversity and users diversity are considered as tradeoff between the user¿s behaviour and available resources, the resources are dynamically assigned to users to ensure best utilization of the available network resources.
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