US 12,136,776 B2
Miniaturized self-oscillating active integrated antenna system
Zhixia Du, Guangzhou (CN); Manman Cui, Guangzhou (CN); Chunbing Guo, Guangzhou (CN); and Guohao Zhang, Guangzhou (CN)
Assigned to GUANGDONG UNIVERSITY OF TECHNOLOGY, Guangzhou (CN)
Filed by GUANGDONG UNIVERSITY OF TECHNOLOGY, Guangzhou (CN)
Filed on May 29, 2024, as Appl. No. 18/677,736.
Application 18/677,736 is a continuation of application No. PCT/CN2023/125417, filed on Oct. 19, 2023.
Claims priority of application No. 202211679651.9 (CN), filed on Dec. 27, 2022.
Prior Publication US 2024/0313409 A1, Sep. 19, 2024
Int. Cl. H01Q 9/30 (2006.01); H01Q 1/22 (2006.01); H01Q 3/24 (2006.01)
CPC H01Q 9/30 (2013.01) [H01Q 1/2283 (2013.01); H01Q 3/24 (2013.01)] 8 Claims
OG exemplary drawing
 
1. A miniaturized self-oscillating active integrated antenna system, comprising:
at least one antenna array unit, wherein the antenna array unit comprises an initial unit and multiple amplifying units which are stimulated to emit;
the initial unit comprises a first dielectric substrate and a first surface structure, the first surface structure is connected to a surface of the first dielectric substrate, the first surface structure comprises a first boat-shaped monopole antenna, the first boat-shaped monopole antenna formed by
a first switching transistor, a base bias network and a first direct current bias network, a collector of the first switching transistor is connected to a first radiating arm disposed at a center above a first ground plane, an emitter of the first switching transistor is connected to the first ground plane, a base of the first switching transistor is connected to the base bias network, and the first direct current bias network is connected to the first radiating arm;
each of the amplifying units comprises a second dielectric substrate and a second surface structure, the second surface structure is connected to a surface of the second dielectric substrate, the second surface structure comprises a second boat-shaped monopole antenna, the second boat-shaped monopole antenna formed by
a second switching transistor, a first resistor and a second direct current bias network, a collector of the second switching transistor is connected to a second radiating arm disposed at a center above a second ground plane, an emitter of the second switching transistor is connected to the second ground plane, a base of the second switching transistor is connected to the first resistor, a second terminal of the first resistor is connected to the second ground plane, and the second direct current bias network is connected to the second radiating arm;
both the first ground plane and the second ground plane have symmetrical cut angles;
wherein the self-oscillating active integrated antenna system overcomes influence of a coupling voltage by reducing a direct current bias voltage of the first direct current bias network and the second direct current bias network.