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Instantaneous direction of arrival measurements in mobile radio channels using virtual circular array antennas

: Nguyen, H.A.; Keusgen, W.; Eichler, T.

Cui, R.S. ; Institute of Electrical and Electronics Engineers -IEEE-; IEEE Communications Society:
IEEE Globecom Workshops 2016. Proceedings : Washington, DC, USA, 4-8 December 2016
Piscataway, NJ: IEEE, 2016
ISBN: 978-1-5090-2482-7
ISBN: 978-1-5090-2483-4
ISBN: 978-1-5090-2481-0
Global Communications Conference (GLOBECOM) <59, 2016, Washington/DC>
Fraunhofer HHI ()

Two methods for the estimation of direction of arrival in mobile radio channels by means of a virtual uniform circular array are presented and experimentally validated. The methods rely on the MUSIC algorithm and can be applied for measurements in the mm-wave bands (6-100 GHz) as required for future 5G systems. They are capable of measurement cycles of up to 100 Hz which are very short in comparison of state-of-the-art approaches. Thus the approaches are suitable to collect a high number of channel realizations even in time-variant outdoor environments. With respect to the verification measurements at 28 GHz, a modular instrument based measurement setup is introduced.