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    • 3. 发明授权
    • Digital communications test system for multiple input, multiple output (MIMO) systems
    • 用于多输入多输出(MIMO)系统的数字通信测试系统
    • US08228087B2
    • 2012-07-24
    • US12985848
    • 2011-01-06
    • Christian Volf OlgaardRay Wang
    • Christian Volf OlgaardRay Wang
    • G01R31/00
    • H04L1/244H04B7/0413H04L1/06H04L1/243
    • A digital communications test system and method for testing a plurality of devices under test (DUTs) in which multiple sets of a single vector signal analyzer (VSA) and single vector signal generator (VSG) can be used together to perform error vector magnitude (EVM) measurements for one or more DUTs in parallel, including one or more of composite, switched and multiple input multiple output (MIMO) EVM measurements. This allows N pairs of a VSA and VSG to test N DUTs with NxN MIMO in substantially the sane time as a single VSA and VSG pair can test a single DUT, thereby allowing a substantial increase in testing throughput as compared to that possible with only a single VSA and VSG set.
    • 一种用于测试多个待测器件(DUT)的数字通信测试系统和方法,其中多组单向量信号分析器(VSA)和单矢量信号发生器(VSG)可以一起用于执行误差矢量幅度(EVM )测量,包括并行的一个或多个DUT,包括复合,交换和多输入多输出(MIMO)EVM测量中的一个或多个。 这允许N对VSA和VSG在基本上理想的时间内以NxN MIMO测试N个DUT,因为单个VSA和VSG对可以测试单个DUT,从而允许测试吞吐量大大增加,与仅可能的 单VSA和VSG集。
    • 4. 发明授权
    • Digital communications test system for multiple input, multiple output (MIMO) systems
    • 用于多输入多输出(MIMO)系统的数字通信测试系统
    • US07948254B2
    • 2011-05-24
    • US12348992
    • 2009-01-06
    • Christian Volf OlgaardRay Wang
    • Christian Volf OlgaardRay Wang
    • G01R31/00
    • H04L1/244H04B7/0413H04L1/06H04L1/243
    • A digital communications test system and method for testing a plurality of devices under test (DUTs) in which multiple sets of a single vector signal analyzer (VSA) and single vector signal generator (VSG) can be used together to perform error vector magnitude (EVM) measurements for one or more DUTs in parallel, including one or more of composite, switched and multiple input multiple output (MIMO) EVM measurements. This allows N pairs of a VSA and VSG to test N DUTs with N×N MIMO in substantially the sane time as a single VSA and VSG pair can test a single DUT, thereby allowing a substantial increase in testing throughput as compared to that possible with only a single VSA and VSG set.
    • 一种用于测试多个待测器件(DUT)的数字通信测试系统和方法,其中多组单向量信号分析器(VSA)和单矢量信号发生器(VSG)可以一起用于执行误差矢量幅度(EVM )测量,包括并行的一个或多个DUT,包括复合,交换和多输入多输出(MIMO)EVM测量中的一个或多个。 这允许N对VSA和VSG在基本上理想的时间内以N×N MIMO测试N个DUT,因为单个VSA和VSG对可以测试单个DUT,从而允许测试吞吐量大大增加, 只有一个VSA和VSG集合。