You can set the frame length of all SDR blocks available in the Communications Toolbox™ Support Package for USRP™ Embedded Series Radio to any integer value. This flexibility enables more straightforward multirate operation and easier modeling of standards-based packet communications.
In the block mask of the receiver block, set Samples per frame to the desired frame length.
Create a receiver System object™. For example:
rx = sdrrx('E3xx');
Set the samples per frame in the System object.
rx.SamplesPerFrame = 1024;