How to use arxstruc with multiple input multiple output ( MIMO ) systems?

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I'm trying to use the command arxstruc to estimate the input delay of a Multiple Input, Multiple Output system (two inputs and two outputs).
I have written the system in state space form and i'm aware that arxstruc only work with single-output system, my idea is to go from one output to the next using a for cycle, thus reducing my problem to a succession of input delay estimations on MISO systems.
I don't know how to use arxstruc with a MISO system.
I'm also aware that in an ARX model the [na nb nk] coefficients depend on the number of inputs (the number of outputs must be one to use arxstruc), specifically I don't know how to pass the correct [na nb nk] to arxstruc while still being able to examine different combinations of na, nb, nc.
I need help on how to correctly write the third input argument for arxstruc in order to use my two inputs at the same time.

Answers (1)

Rajiv Singh
Rajiv Singh on 9 Aug 2022
The order combinations accepted by arxstruc can be generated by using the STRUC command; see: Generate model-order combinations for single-output ARX model estimation - MATLAB struc (mathworks.com)
  2 Comments
pia sarkar
pia sarkar on 13 Jan 2023
I want to transmit and receive signal using MIMO.Please guide me how to interface 5G signal in Multiple input and multiple output?

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