蜂窝通信系统下d2d通信建立及功率分配方案

D2D communication establishing and power distribution scheme under cellular communication system

Abstract

在蜂窝通信架构下实现D2D(Device‑to‑Device)用户和小区用户共存并允许D2D用户使用多信道的通信属于无线通信技术领域。在D2D通信模式下,部分距离较近的用户可以直接传输数据进行通信,蜂窝网络架构下的D2D通信被视为提高区域无线频谱效率的一项重要技术手段。由于D2D用户的存在,通信环境变得更为复杂,用户之间的干扰问题尤其突出。本发明将先提出一种在蜂窝网络下实现D2D通信的可行性方案,然后提出一种传统小区用户和D2D用户都可以使用多信道的功率分配策略,适合在无线移动通信中应用。
Under a cellular communication configuration, a D2D (Device-to-Device) user and a cell user coexist and the D2D user is allowed to use multichannel communication. The invention belongs to the wireless communication technology field. Under a D2D communication mode, parts of the users which are close to each other can directly transmit data to carry out communication. D2D communication under a cellular network configuration is regarded as an important technology means for increasing wireless area frequency spectrum efficiency. Because of existence of the D2D user, a communication environment becomes complex and an interference problem among the user is especially prominent. The invention firstly provides a feasible plan of realizing the D2D communication under the cellular network and then provides a power distribution strategy in which a traditional cell user and the D2D user can use multiple channels, and the plan and the strategy are suitable for being applied in wireless mobile communication.

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