5G Wireless Communications Testbed

Type: Master's Assignment
Contact: André Kokkeler
Location: CAES, University of Twente

For over a century, communication systems have mainly relied on sinusoidal signals. In previous work, we laid the theoretical foundation for another set of basis signals for wireless communications; Hermite functions. The ultimate goal is to allow more users to communicate simultaneously given a certain amount of bandwidth, time and energy. A GNU Radio set-up has been realized and the first measurements using Hermite functions have been done. In the meantime, ideas have evolved and new signals, based on Hermite functions have been developed. The aim is now to investigate how these signals actually perform. For the experiments, the student will use a software defined radio platform. This platform is open-source and decently documented and is widely used to ‘quickly’ prototype software-defined-radio’s.

We have some basic questions which may function as a starting point. For example, how do the new signal sets compare to the original Hermite signals and a conventional OFDM system (e.g. applied in 802.11 WLAN)? What are your observations, can you compare the performance and explain the differences?

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