D2D网络性能优化研究

Abstract

随着智能设备的普及，丰富多彩的无线业务随之走进人们的日常生活中，从而导致了移动业务量急剧增大，同时人们对于蜂窝移动网所能提供的性能要求也越来越高。在这种情况下，频谱资源短缺现象就会变得愈来愈明显。Device-to-Device（D2D）通信技术的出现，能够有效地缓解日益增长的数据流量与蜂窝网有限频谱资源的矛盾问题。它允许地理位置相距较近的两用户终端直接进行通信，而无需经由基站的转发，这是异于常见的“用户-基站-用户”通信模式。 然而，当D2D通信应用于蜂窝网中时，虽然频谱效率和网络容量可得以提升，但由此却产生了较大的干扰。所以，要想发挥D2D通信技术的最大效益，取决于如何进行有效地干扰管理...

With the increasing popularity of smart devices, a variety of wireless services are stepping into people’s daily lives, which results in a sharp increase in mobile traffics. Meanwhile, people’s requirements for the performance of the cellular network are also getting higher. Therefore, the lack of spectrum resources is becoming more obvious. The emergence of the Device-to-Device (D2D) communicatio...