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60 GHz-Band Active Patch Antenna for Spatial Power Combining Arrays in European Mobile Communication Systems

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2 Author(s)
Sanchez-Hernandez, David ; Communications Research Group, Department of Electronic and Electrical Engineering, King''s College, University of London, Strand, London WC2R 2LS, UK. Phone: +44 71 873 2898 Fax: +44 71 836 4781 e-mail: udee321@uk.ac.kc1.cc.bay ; Robertson, I.

This paper presents a 60 GHz-band active microstrip patch antema using a Gunn diode as an oscillator in a reflection amplifier configuration. The oscillator consists of a patch antenna, the matching and bias circuit and an Alpha Industries DGB8266 packaged Gunn diode. 9.26 mW are obtained at 63.24 GHz. A tuning bandwidth of 1 GHz is attained by varying the dc bias voltage. The radiation pattems agree well with the theory and low level cross-polarisation patterns are achieved over a broad bandwidth. The 60 GHz-band is particularly important for micro-cellular mobile communications, and this active antenna is ideally suited for base-station applications in the 62.5/63.5 GHz bands intended for the European Mobile Broadband System (MBS).

Published in:

Microwave Conference, 1994. 24th European  (Volume:2 )

Date of Conference:

5-9 Sept. 1994