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usrp 2x2mimo例程无法正常运行

我使用了该usrp2x2mimo例程 http://www.ni.com/tutorial/13878/zhs/ 但无法正常运行。 配置如下:usrp-2922*4, win10, labview2015 sp1, ni-usrp16.0 配置好相应IP地址、频率源及时钟源后运行。 在前面板中报错为-1074118627niUSRP Write Tx Data (2D CDB).viA runtime or configuration error occurred. Code: 1440 Details: RuntimeError: fifo ctrl timed out looking for acks 并弹出报错窗 错误-21865发生于 2x2QAMAlamouti with BER.vi Invalid input symbol array; Input symbol array is empty. Rx所收信号如图也很奇怪,可能是由上述发端报错所致无法按照正常生成的txdata进行发送。 不知是否有同行解决过此问题,多谢各位。
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建议贴到NI的USRP组去:

https://forums.ni.com/t5/USRP-Software-Radio/bd-p/500

 

 

George Zou
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