混合蜂窝与端到端异构网络同步机制研究
首发时间:2014-10-22
摘要:混合蜂窝与端到端(D2D,Device-to-Device)异构网络不但有助于提高频谱效率,而且为未来建立更广泛互联互通通信网络提供了基础。同步是一个通信网络能够实现通信的基础,本文对混合蜂窝与端到端异构网络中的同步机制进行了研究,分析了异构网络中的同步源种类以及各自作用,进而为该异构网络设计出了一种可行的同步状态机,能够满足异构网络在不同覆盖环境下以及覆盖环境动态变化时等复杂的同步定时需求,为实现在蜂窝网络中的设备到设备通信提供了同步基础。
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The Research of Synchronization in the Heterogeneous Network of Cellular Network and Device-to-Device Network
Abstract:Immediate gain of D2D communication underlay cellular is the capability of enhancing energy efficiency. On theother hand, more importantly, it provides a possibility to introduce a more extensive interconnected mobile communication system in thefuture.Synchronization is the foundation of communication network.This paper studies the synchronization of the heterogeneous networks,and analyses the types and effects of synchronization sources.Then designs a feasible state machine of synchronization for the heterogeneous network which could satisfy the complex requirement of the synchronization in different situations of overlay environment and the variety of the environment .It provides the foundation for the realization of device-to-device communication in cellular network.
Keywords: LTE Device-to-Device Heterogeneous network Synchronization State Machine
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