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Over-the-Air Test Method for 5G mmWave Devices with Beamforming Capabilities

Research output: Chapter in Book/Report/Conference proceedingConference Contribution (Conference Proceeding)

Original languageEnglish
Title of host publication2018 IEEE Globecom Workshops (GC Wkshps)
Number of pages6
ISBN (Electronic)978-1-5386-4920-6
DatePublished - 21 Feb 2019
Event 2018 IEEE Globecom Workshops (GC Wkshps) - Abu Dhabi, United Arab Emirates
Duration: 9 Dec 2018 → …


Conference 2018 IEEE Globecom Workshops (GC Wkshps)
CountryUnited Arab Emirates
Period9/12/18 → …


Ever since millimetre-wave (mmWave) frequencies were considered as one of the key enabling technologies for fifth generation (5G) mobile communications, due to the availability of spectrum to achieve high data rates, increasing attention has been drawn towards how to evaluate the radiated performance of future 5G mmWave devices. Existing over-the-air (OTA) test methods for legacy mobile communications systems below 6 GHz are not directly scalable to mmWave frequencies. Conformance testing of mmWave devices requires a radically different approach than used previously since all test must be performed in a radiated fashion due to lack of connectors. Further, the signals in the mmWave propagation channel have narrow beamwidth and exhibit dynamic behaviours. This means OTA test systems need to be capable to emulate such conditions. Test signals must illuminate the device under test from multiple angles of arrival simultaneously and vary their direction electronically. This paper presents a novel OTA test method that offers a compact solution for the creation of such test environments, offering an alternative to the multi probe anechoic chamber method used previously below 6 GHz. The new method exploits the reflective properties of concave surfaces to provide cost-effective emulation of real-life dynamic angles of arrival, typical of real-life environments.

    Research areas

  • Over-the-Air (OTA), 5G, New Radio(NR), millimetre waves, elliptical reflectors, fifth generation


2018 IEEE Globecom Workshops (GC Wkshps)

Duration9 Dec 2018 → …
Location of eventAbu Dhabi
CountryUnited Arab Emirates

Event: Conference


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