Green LTE-A上行网络中高效维数的动态多用户传输

L. Mroueh, E. Vivier
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引用次数: 0

摘要

在本文中,我们提出了一种MU-MIMO LTE-Advanced网络上行链路的动态多用户传输策略,该策略在用户设备(UE)有2个发射天线,在eNB有4个接收天线。为此,我们定义了传输模式,根据终端在小区中的位置和传输可靠性,在同一无线电资源块(RB)上实现1到4个终端的多路复用。每个终端选择适当的传输模式,以优化以下指标之一:RB共享、单个速率效益、功耗或共享效益效率。基于这种动态多用户策略,我们提出了一种有效的LTE带宽尺寸,可以公平地分配所有扇区的无线电和空间资源。数值结果表明,共享效益效率度量在可实现的可靠率和RB共享之间提供了最佳权衡,并且它确实最大化了扇区中公平分配的传输ue的数量。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Dynamic multi-user transmission for efficient dimensioning in Green LTE-A uplink networks
In this paper, we propose a dynamic multi-user transmission strategy for the uplink of MU-MIMO LTE-Advanced networks with 2 transmit antennas at the user equipment (UE) and 4 receive antennas at the eNB. For this purpose, we define transmission modes that enable, depending on the position of the UE in the cell and the transmission reliability, the multiplexing of 1 to 4 UEs on the same radio resource block (RB). Each UE selects an adequate transmission mode to optimize one of the following metrics: the RB sharing, the individual benefit in rate, the power consumption or the sharing-benefit efficiency. Based on this dynamic multi-user strategy, we propose an efficient dimensioning for the LTE bandwidth that fairly distributes the radio and spatial resources in all the sector. Numerical results show that the sharing-benefit efficiency metric provides the best trade-off between the achievable reliable rate and the RB sharing and it maximizes indeed, the number of fairly distributed transmitting UEs in the sector.
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