Research on Structurally Integrated Phased Array for Wireless Communications

Structurally integrated antenna is a kind of highly integrated microwave device with a load-bearing function, and it is usually installed on the structural surface of the air, water and ground vehicles. This paper presents the design, fabrication and testing of a novel structurally integrated Ka-ban...

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Bibliographic Details
Published in:IEEE access 2020, Vol.8, p.52359-52369
Main Authors: He, Qing-Qiang, Ding, Shuai, Xing, Chen, Chen, Jun-Quan, Yang, Guo-Qing, Wang, Bing-Zhong
Format: Article
Language:English
Subjects:
5G communications
Antenna arrays
Antenna design
Antennas
Co-design
Extremely high frequencies
Heat sinks
Loaded antennas
Low temperature
low-temperature cofired ceramic (LTCC)
micro-channel heat sinks
Microchannels
Microstrip antenna arrays
Microstrip antennas
phased array antenna
Phased arrays
Radio frequency
Signal processing
structurally integrated active antenna
Temperature distribution
Wireless communication
Wireless communications
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Summary:Structurally integrated antenna is a kind of highly integrated microwave device with a load-bearing function, and it is usually installed on the structural surface of the air, water and ground vehicles. This paper presents the design, fabrication and testing of a novel structurally integrated Ka-band active antenna for airborne 5G wireless communications. The proposed antenna is mainly composed of three parts: a package layer, a control and signal process layer and a RF layer. In the RF layer, the microstrip antenna array, tile transmitting (Tx) modules, micro-channel heat sinks and a stripline feeding network are highly integrated into a functional block with a thickness of 2.8 mm. Electromechanical co-design methods are developed to design the active antenna array with the superstrates, and two schemes for designing micro-channel heat sinks are evaluated to obtain a uniform temperature distribution. The RF layer is fabricated by using the low-temperature cofired ceramic process, and the three layers are assembled to form the full-size antenna prototype. The mechanical and electromagnetic experiments are carried out, and the results demonstrate the feasibility of the structurally integrated active antenna for airborne wireless communications.
ISSN:2169-3536
2169-3536
DOI:10.1109/ACCESS.2020.2980595