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Error in channel mapping using n210 in matlab r2016b for MIMO

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Ricardo
Ricardo on 21 Nov 2016
Edited: Khyati Rao on 27 Aug 2020
Hi I have a problem with channel mapping for MIMO using 4 USRP n210 devices, 2-RX and 2-TX and Matlab r2016b.
The ip values in RX and TX devices are: 192.168.10.2 and 192.168.10.3 in same cases.
I tried put in the channel mapping box next values: [1 2] [1 2 3 4] ['192.168.10.2' '192.168.10.3']
And have the same error, please I need help.

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Answers (1)

Khyati Rao
Khyati Rao on 27 Aug 2020
Edited: Khyati Rao on 27 Aug 2020
For USRP N210 radio, when IP address parameter has more than one IP address assigned, the Channel mapping parameter must be a 1-by-N row vector.
So, for two N210 radios (Rx mode) used in MIMO, set the following on SDRuReceiver block.
  1. IP address parameter to 192.168.20.2, 192.168.10.3
  2. Channel mapping to [1 2]
Channel mapping value 1 of the bundled radio refer to channel 1 of the radio with IP address 192.168.20.2. Channel mapping value 2 of the bundled radio refer to channel 1 of the radio with IP address 192.168.10.3.
Following links might be useful:

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