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在3GPP LTE-A网络中,可以使用CoMP(多点协作)技术来提高边缘用户的性能。为了最大化全网边缘用户的总吞吐量,关键是要确定在每个PRB(物理资源块)中同时被服务的用户集合、每个被调度用户所对应的协作基站、以及各基站的传输功率。基于每个边缘用户的RSRP(参考信号接收功率),提出一种低复杂度的集中式传输调度算法,针对每个PRB中被服务的边缘用户和相应的协作基站进行动态选择,并通过仿真实验验证算法的性能增益。
In 3GPP LTE-A networks, CoMP (Multi-Point Cooperation) technology can be used to improve the performance of the edge users. In order to maximize the total throughput of edge users at the entire network, the key is to determine the set of users served simultaneously in each PRB (Physical Resource Block), the coordinated base stations corresponding to each scheduled user, and the transmission power of each base station . Based on the RSRP (reference signal received power) of each edge user, a low complexity centralized transmission scheduling algorithm is proposed, which is dynamically selected for the edge users and corresponding cooperating base stations served by each PRB. Through simulation experiments Verify the algorithm’s performance gain.