Future wireless communication systems require novel techniques to increase the bitrate, coverage and mobility. One of these techniques is spatial multiplexing and we have investigated the use of a CSP-based kernel in the implementation of a spatial multiplexing testbed. It turns out that the use of the CSP-based kernel not only provides a good way of system modeling, but also provides a very scalable software architecture for the testbed. In future, we can change several system parameters without changing the software architecture. With the testbed we were able to verify the concept of spatial multiplexing in an office environment.
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