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New challenges in over-the-air testing

 
: Kotterman, W.A.T.; Schirmer, C.; Landmann, M.H.; Galdo, G. del

:

Sibille, A. ; Institute of Electrical and Electronics Engineers -IEEE-; European Association on Antennas and Propagation -EurAAP-:
11th European Conference on Antennas and Propagation, EUCAP 2017 : 19-24 March 2017, Paris
Piscataway, NJ: IEEE, 2017
ISBN: 978-88-907018-7-0
ISBN: 978-1-5090-3742-1
S.3676-3678
European Conference on Antennas and Propagation (EUCAP) <11, 2017, Paris>
Englisch
Konferenzbeitrag
Fraunhofer IIS ()

Abstract
Two OTA test methods from literature are selected as those most suited for testing future 5G equipment when assessing end-to-end performance: coherent wave-field synthesis and radiated two-stage or 'Wireless Cable'. Both methods have their advantages and disadvantages. Wave-field synthesis is transparent for antenna characteristics of Equipment-under-Test but not viable for large test objects. The Wireless Cable puts no direct size constraint on Equipment-under-Test but requires antenna pattern measurements beforehand and cannot cope with dynamically adaptive antenna patterns. Other methods from literature show deficits regarding real-time testing or accuracy of the angular distribution of emulated radio fields.

: http://publica.fraunhofer.de/dokumente/N-455859.html