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A Resource Scheduling Algorithm Based on User Grouping for LTE-Advanced System with Carrier Aggregation

机译：一种资源调度算法基于载波聚合LTE-Advanced系统的用户分组

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摘要

This paper focuses on the resource scheduling of LTE-Advanced system with carrier aggregation. With different fading characters, the aggregated carriers have different coverage between each other. Consequently, the carrier aggregation causes that the number of carriers which users can be scheduled on is various. The allocation fairness can not be achieved with the original proportional fair (PF) scheduling algorithm, since the PF assumes that all users can be scheduled on the entire spectrum resources. Thus, a PF scheduling algorithm based on user grouping (UG-PF) is proposed. The users are partitioned into specific groups according to the number of carriers that they can be scheduled on. Furthermore, a modified scheduling policy is obtained based on the average channel access probability of different user groups. Simulation results demonstrate that the UG-PF algorithm can accomplish better fairness among users compared with the original PF algorithm.
机译：本文侧重于带载波聚合的LTE-Advanced系统的资源调度。具有不同的衰落字符，聚合的载波彼此之间具有不同的覆盖范围。因此，载波聚合导致用户可以调度的载波的数量是各种各样的。由于PF假定PF可以在整个频谱资源上安排所有用户，因此不能使用原始比例公平（PF）调度算法来实现分配公平性。因此，提出了一种基于用户分组（UG-PF）的PF调度算法。用户根据可以安排的运营商的数量将用户划分为特定组。此外，基于不同用户组的平均信道访问概率获得修改的调度策略。仿真结果表明，与原始PF算法相比，UG-PF算法可以在用户之间完成更好的公平性。

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