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引用次数: 1
摘要
描述了一种用于多小区环境下跳频正交频分多址(FH-OFDMA)下行链路频率复用系数为1的避免ICI(小区间干扰)的策略LBLC(基于位置的加载控制)。为了减轻ICI的影响，导出了停电概率的封闭形式，并将其作为获得最优加载参数集的准则。对于给定的目标QoS (Quality of Service)，进行区域划分，得到每个区域的载波负载比。通过仿真，可以得到各区域的最优加载参数集。此外，还论证了LBLC技术的可行性。
Performance Analysis of Location-Based Loading Control for Downlink FH-OFDMA Systems
A strategy for avoiding the ICI (Inter Cell Interference) termed LBLC (Location-Based Loading Control) for downlink FH-OFDMA (Frequency Hopping Orthogonal Frequency Division Multiple Access) systems over multi-cell environments with a frequency reuse factor of 1 is described. To mitigate the effect of the ICI, a closed form of outage probability is derived and is utilized as a criterion for obtaining an optimal set of loading parameters. For a given target QoS (Quality of Service), region partitioning is performed and a carrier loading ratio at each region is obtained. An optimal set of loading parameters according to each region can be obtained from the simulations. In addition, the feasibility of the LBLC technique is demonstrated.
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