Vxworks下星载量子通信数据传输系统驱动程序开发  

Spaceborne Quantum Communication Data Transmission System Driver Development Based on Vx Works Operation System

作　　者：吴腾[1] 刘尉悦[1] 汤煜[1] 金标[1] WU Teng LIU Wei-yue TANG Yu JIN Biao(Ningbo University , Ningbo 315211 ,China)

机构地区：[1]宁波大学,宁波315211

出　　处：《无线通信技术》2016年第4期7-11,16,共6页Wireless Communication Technology

基　　金：浙江省自然科学基金(LY17F050004)项目

摘　　要：量子通信基于量子力学的基本原理,具有绝对安全的特点。本文介绍了一种应用于量子卫星上的数据传输系统,该系统以PPC为处理器,Vx Works为操作系统,通过PCIE与硬件互连。详细介绍了该系统在Vx Bus架构下对PCIE的驱动开发,通过XAPP1052例程下的DMA设计对驱动程序进行了配置寄存器空间测试,并且通过量子通信算法实验验证,DMA写速度达到221MB/s,DMA读速度达到176MB/s,实验证明系统稳定可靠,开发的驱动程序能使系统达到数据高速传输的目的。Quantum communication is based on basic principle of quantum mechanics,has the characteristics of the absolutesafety. A data transmission system of quantum satellite is introduced,and the system uses PPC as the processor and Vx Works as the operating system,interconnecting with the hardware through the PCIE. The paper also introduces in detail the PCIE driven development within the framework of Vx Bus,and verifies this driver through the DMA design under XAPP1052 routines.By quantum communication algorithm and experimental verification The speed of DMA write transmission speed reaches to 221 MB/s. The speed of DMA read transmission speed reaches to 176 MB/s. The experimental results show the system is stable and reliable,can fully achieve the goal of high speed data transmission.

关 键 词：量子通信 Power PC(PPC) PCI Express(PCIE) 直接存储器访问(DMA) 

分 类 号：TN918[电子电信—通信与信息系统]