how to solve this IEEE Standard coding

Undefined variable "lrwpan" or class "lrwpan.PHYGeneratorOQPSK".

Error in lrwpanEndToEndPHYExample (line 86)

waveform = lrwpan.PHYGeneratorOQPSK(message, spc, '2450 MHz');

how to solve this error?

Answer 1

[Raj]

Maybe this will help:

https://in.mathworks.com/matlabcentral/answers/396642-unable-to-access-lrwpan-from-custom-installation-of-matlab?s_tid=answers_rc1-1_p1_MLT

[Walter Roberson]

Hah, I had forgotten that!