LTE网络基站和设备节能通信研究

发布时间：2018-03-20 18:16

本文选题：节能　切入点：资源分配　出处：《深圳大学》2017年硕士论文　论文类型：学位论文

【摘要】：近年来,移动互联网的需求迅速增长。例如高清在线视频、实时游戏、高速下载等业务,需要高速率和低延迟的网络通道。而LTE作为当前主流的4G网络制式,可以满足用户接入网络使用高速服务的需求。同时,无线网络的能耗问题日益突出,其中LTE基站作为接入网消耗了无线蜂窝网的大部分能量;而用户终端在进行高速数据处理时,过快地消耗了能量。因此,基站和终端节能成为了重要的研究课题。针对LTE基站节能的问题,本文提出了一种流量感知的节能资源分配算法。该算法针对具有不同流量特征的业务的服务质量需求,调整数据包的发送时机和发送数量,提高资源的使用效率。同时,本算法通过改变算法的参数来适配流量变化,可以在节能和性能之间取得较好的平衡。模拟实验的结果表明,本算法在基站负载40%以下时,能够以较少的资源获得与其他算法相似的吞吐量。针对设备节能的问题,本文提出了一种LTE移动终端DRX节能因子自适应调整算法。本算法通过计算的方式,从机制的参数空间挑选合适的参数对节能因子进行适配,避免了对参数空间进行搜索带来的开销。同时,本算法改善了标准机制中节能因子受业务速率变化产生偏离的情况。模拟实验的结果表明,本算法可以在维持节能因子在指定范围的基础上,获得与标准机制相似的平均延迟和丢包率性能。
[Abstract]:In recent years, the demand for mobile Internet has been growing rapidly. For example, high-definition online video, real-time games, high-speed downloading and other services require high-speed and low-latency network channels. LTE is the current mainstream 4G network system. At the same time, the problem of energy consumption in wireless network becomes more and more serious, in which LTE base station as access network consumes most of the energy of wireless cellular network. The user terminal consumes energy too quickly in high-speed data processing. Therefore, the energy saving of base station and terminal has become an important research topic. In view of the problem of energy saving in LTE base station, In this paper, an efficient resource allocation algorithm for traffic awareness is proposed. The algorithm adjusts the sending time and the number of packets according to the QoS requirements of different traffic characteristics, and improves the efficiency of resource utilization. By changing the parameters of the algorithm to adapt to the change of flow, the algorithm can achieve a good balance between energy saving and performance. The simulation results show that the algorithm is less than 40% when the base station load is less than 40%. In order to solve the problem of equipment energy saving, this paper presents an adaptive adjustment algorithm for DRX energy saving factor of LTE mobile terminal. Selecting the appropriate parameters from the parameter space of the mechanism adapts to the energy saving factor, which avoids the cost of searching the parameter space. At the same time, The algorithm improves the deviation of energy saving factor from the change of service rate in the standard mechanism. The simulation results show that the algorithm can maintain the energy saving factor in a specified range. The average delay and packet loss performance similar to the standard mechanism is obtained.
【学位授予单位】：深圳大学
【学位级别】：硕士
【学位授予年份】：2017
【分类号】：TN929.5

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