期刊名称：International Journal of Soft Computing & Engineering
电子版ISSN：2231-2307
出版年度：2011
卷号：1
期号：5
页码：281-285
出版社：International Journal of Soft Computing & Engineering
摘要：This work is an approach to solve the limitations of WiMax with three operational band frequencies. As the license fee of the frequency band goes higher and not easy to get allotment, it is wise to look for solution to make effective use of the available band. This can be done by several features that will lead to a network to the peak of performance with limited resource. One of the proposed solutions to maximize the capacity and upgrading the performance in this literature is using fractional frequency reuse (FFR) with MIMO (Multiple-Input Multiple-Output) technique. MIMO is a revolutionary technique to overcome the limitations of capacity and coverage of a WiMax network. In this paper, first we discuss about the features which will give a perfect overview of this FFR technology. Then a simulator is used to compare the performance of the FFR technology with partial usage of sub-channels (PUSC) technique. The simulation results are compared to find the best feature to see whether this feature really works in a real RF environment. Finally, the whole approach is discussed with the limitations and future proposals.
关键词：WiMax; MIMO (multi-input multi-output);CINR (carrier to interference-plus-noise ratio); RSSI (received;signal strength indicator); CAPEX (capital expenditure).
