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中继卫星系统单址链路支持多目标用户容量 被引量：2

User Capacity of TDRSS Single Access Link Supporting Multiple-targets
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摘要 中继卫星系统单址链路支持多个目标用户的测控和数据传输,可以满足卫星多星星座以及航天器交会对接等应用需求。结合FDMA和CDMA两种多址接入方式,分析多用户容量与中继卫星带宽和发射功率、多用户总功率、单用户Eb/N0等的关系,推导出前向用户容量和返向用户容量的理论计算公式,最后通过通用用户的实例计算与仿真,给出限定条件下的前向和返向用户容量。 The constellation of satellites and spacecraft rendezvous and docking applications demands are satisfied by TDRSS single access link supporting multiple-targets TT&C and data transmission.Combining the modes of FDMA and CDMA,the relationships of multiple user capacity with the TDRS bandwidth,transmit power,multiple user total power and single user Eb/N0 are analyzed.The theoretical calculation formulas of forward link user capacity and return link user capacity are deduced.Finally,through a common user instance calculation and simulation,the limited conditions of forward link and return link user capacities are given.
作者 王增利 孙宝升 王瑛 寇保华
机构地区 北京空间信息中继传输技术研究中心
出处 《遥测遥控》 2013年第3期23-28,共6页 Journal of Telemetry,Tracking and Command
关键词 中继卫星系统 单址链路 用户容量 CDMA/FDMA TDRSS Single access link User capacity CDMA/FDMA
分类号 TN927 [电子电信—通信与信息系统]
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参考文献5

二级参考文献14

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共引文献10

同被引文献10

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