How can I easily convert the resource grid into a time-domain signal in the LTE System Toolbox?
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MathWorks Support Team
on 2 Mar 2017
Answered: MathWorks Support Team
on 3 Mar 2017
I have a resource grid and would like to easily convert it to a time-domain signal using a function in the LTE System Toolbox
Accepted Answer
MathWorks Support Team
on 2 Mar 2017
The LTE System Toolbox comes with two functions that will easily convert the resource grid into a time-domain signal. To do this, you can use the 'lteOFDMModulate' function for downlink, and the 'lteSCFDMAModulate' for uplink.
In a general sense, this is accomplished in the function by performing an IFFT on each column of the grid, adding a cyclic prefix and concatenating the signals for each column. To read more details about either function, please see the documentation links below:
lteOFDMModulate:
https://www.mathworks.com/help/lte/ref/lteofdmmodulate.html
lteSCFDMAModulate
https://www.mathworks.com/help/lte/ref/ltescfdmamodulate.html
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