卫星地面站高速数据传输终端平台设计  

Design of a High Speed Data Transceiver Terminal Platform for Satellite Ground Stations

作　　者：马力科[1] MA Like(Southwest China Institute of Electronic Technology,Chengdu 610036,China)

机构地区：[1]中国西南电子技术研究所,成都610036

出　　处：《电讯技术》2020年第12期1420-1424,共5页Telecommunication Engineering

摘　　要：提出了一种具有开放式架构的新型高速数据传输终端平台,它以RapidIO作为各处理板卡的监控指令接口,以两个8×PCIe作为各处理板卡的数据接口。设计了有源交换网络背板实现系统互联;设计了通用处理板卡通过软件重构以实现数据上行调制或数据下行接收功能;下行接收的数据通过块数据传输,传输速率最高达40 Gb/s;通过独立磁盘冗余阵列扩展固态盘阵列实现数据高速记录,数据记录速率不低于500 MB/s;通过万兆以太网接口实现数据高速实时转发,数据转发速率不低于4 Gb/s;上行调制数据实时注入实时调制,数据速率不低于2 Gb/s。该平台硬件可扩展,软件可升级,控制和数据总线解耦合,可通过软件重构实现功能配置和在线更新,具有良好的扩展性和通用性,已在地面终端站高速数据传输系统中得到工程应用。A new high speed data transceiver platform with open architecture is provided in which serial RapidIO is performed as control and command interface and PCIe with two 8 lanes is performed as data interface.Data exchange is realized through active switching network backplane.The common processing board is designed to realize modulation or data receiving function by software reconstruction.The data received in the downlink can be transmitted through block data with transmission rate up to 40 Gb/s.High-speed data recording can be realized through redundant array independent disk(RAID)extended solid-state disk(SSD)array with data recording rate to 500 MB/s.Data can also be transmitted through 10 GbE(Gigabit Ethernet)interface with data rate to 4 Gb/s.Modulation data is injected and modulated in real-time with rate to 2 Gb/s.The platform can be expanded in hardware,upgraded in software,decoupled in control and data bus,and function programme and online update can be realized through software reconfiguration.It has good scalability and versatility.It has been successfully applied in ground terminal station high speed data transmission system.

关 键 词：卫星地面站 高速数据传输终端 软件重构 开放式架构 

分 类 号：TN832[电子电信—信息与通信工程] TN851