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28 Jun 2009 CDMA2000 Downlink Simulink Models Simulation of a CDMA2000 downlink system Author: Alex Rodriguez

hi, i have a project in CDMA2000 and i'm trying to work with this cdma2000 Matlab Simulation. I'm having troubles with it. I'm running the simulation with Matlab 6.5 Release 13, but two errors appear:
1: Error while obtaining sizes from MEX S-function 'expandPNSeq' in block 'cdma2k_phlayer/Rx Antenna/Rake Receiver/Spreading Codes/expand PN Sequence'. MATLAB error message:
Invalid MEX-file
2: Error while obtaining sizes from MEX S-function 'expandPNSeq' in block 'cdma2k_phlayer/Tx Antenna/Spreading Non-TD Mode/expand PN Sequence'. MATLAB error message:
Invalid MEX-file
what do i need to do to make it work?
Thanks a lot in advance for your help.

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