Antenna device including radome and base station including antenna device

Patent metadata

Field	Value
Publication number	US-2025309538-A1
Application number	US-202519237063-A
Country	US
Kind code	A1
Filing date	Jun 13, 2025
Priority date	Apr 21, 2020
Publication date	Oct 2, 2025
Grant date	—

Abstract

The present disclosure relates to a communication method and system for converging a 5 th -Generation (5G) communication system for supporting higher data rates beyond a 4 th -Generation (4G) system with a technology for Internet of Things (IoT). The present disclosure may be applied to intelligent services based on the 5G communication technology and the IoT-related technology, such as smart home, smart building, smart city, smart car, connected car, health care, digital education, smart retail, security and safety services. According to an embodiment o, an antenna device in a wireless communication system includes: an antenna module; and a radome covering at least a part of the antenna module, wherein the antenna module includes a first radiator disposed on one surface of the radome and at least one second radiator spaced apart from the first radiator by a specified distance on the one surface to form a loop of the first radiator, wherein the at least one second radiator includes a plurality of gaps opening each of the loops.

First claim

1 - 20 . (canceled)

21 . An antenna device for a wireless communication system comprising:
a printed circuit board (PCB); a conductive pattern disposed on the PCB, and configured to supply radio frequency (RF) signals; a radome disposed so as to at least partially cover the PCB and the conductive pattern, and spaced apart from the PCB without a radiating structure directly connected to the conductive pattern; and a radiator pattern, formed on a first surface of the radome, configured to radiate the RF signals supplied from the conductive pattern, wherein the radiator pattern includes a first radiator and at least one second radiator surrounding the first radiator.

22 . The antenna device of claim 21 , wherein the at least one second radiator is disposed on the radome with a plurality of gaps for maintaining a resonant frequency within a predefined frequency band.

23 . The antenna device of claim 21 , wherein the conductive pattern comprises an antenna divider for a plurality of antenna elements including a first antenna element and a second antenna element, and
wherein the radiator pattern includes:
the first radiator and the at least one second radiator corresponding to the first antenna element, and
a third radiator and the at least one fourth radiator corresponding to the second antenna element.

24 . The antenna device of claim 21 , further comprising:
a plurality of capacitors disposed on the first surface of the radome, wherein each of the capacitors connects the first radiator and one of segments of a second radiator of the at least one second radiator.

25 . The antenna device of claim 21 , wherein the plurality of gaps comprises:
at least two gaps formed at a first point and a second point where a first extension line pass through a center of the first radiator in a first direction comes into contact with an area of the at least one second radiator; and at least two gaps formed at a third point and a fourth point where a second extension line pass through the center of the first radiator in a second direction orthogonal to the first direction comes into contact with an area of the at least one second radiator.

26 . The antenna device of claim 25 , wherein the conductive pattern disposed on the PCB includes
a first pattern for supplying the RF signals to the first radiator and the at least one second radiator, along the first direction; and a second pattern for supplying the RF signals to the first radiator and the at least one second radiator, along the second direction.

27 . The antenna device of claim 25 , in case that the at least one second radiator comprises two second radiators and the at least two gaps formed at the first point and the second point and the at least two gaps formed at the third point and the fourth point are formed in a second radiator of the two second radiators,
wherein the plurality of gaps further comprises: at least two gaps formed at a fifth point and a sixth point where each of a third extension line through a center of the first radiator in the first direction comes into contact with an area of another second radiator of the two second radiators; and at least two gaps formed at a seventh point and an eighth point where each of a fourth extension line extending through a center of the first radiator in the second direction comes into contact with an area of the other second radiator of the two second radiators.

28 . The antenna device of claim 21 , wherein each of the at least one second radiator has a loop-shape with a predetermined width.

29 . The antenna device of claim 21 , wherein the first surface of the radome corresponds to an upper surface of the radome, and
wherein the radome is spaced apart from the PCB by a predetermined distance and is disposed to so as to cover the PCB and the conductive pattern.

30 . The antenna device of claim 21 , wherein the first surface of the radome corresponds to a lower surface of the radome, and
wherein the radome is spaced apart from the PCB by a predetermined distance and is disposed to so as to cover an antenna module including the PCB, the conductive pattern, and the radiating pattern.

31 . A base station comprising an antenna device configured for use in a wireless communication system, wherein the antenna device comprises:
a printed circuit board (PCB); a conductive pattern disposed on the PCB, configured to supply radio frequency (RF) signals; a radome disposed so as to cover the PCB and the conductive pattern and spaced apart from the PCB without a radiating structure directly connected to the conductive pattern; and a radiator pattern formed on a first surface of the radome configured to radiate the RF signals supplied from the conductive pattern, wherein the radiator pattern includes a first radiator and at least one second radiator at least partially surrounding the first radiator.

32 . The base station of claim 31 , wherein the at least one second radiator is disposed on the radome with a plurality of gaps for maintaining a resonant frequency within a predefined frequency band.

33 . The base station of claim 31 ,
wherein the conductive pattern comprises an antenna divider for a plurality of antenna elements including a first antenna element and a second antenna element, and wherein the radiator pattern includes:
the first radiator and the at least one second radiator corresponding to the first antenna element, and
a third radiator and the at least one fourth radiator corresponding to the second antenna element.

34 . The base station of claim 31 , further comprising:
a plurality of capacitors disposed on the first surface of the radome, wherein each of the capacitors connects the first radiator and one of segments of a second radiator of the at least one second radiator.

35 . The base station of claim 31 , wherein the plurality of gaps comprises:
at least two gaps formed at a first point and a second point where a first extension line pass through a center of the first radiator in a first direction comes into contact with an area of the at least one second radiator; and at least two gaps formed at a third point and a fourth point where a second extension line pass through the center of the first radiator in a second direction orthogonal to the first direction comes into contact with an area of the at least one second radiator.

36 . The base station of claim 35 , wherein the conductive pattern disposed on the PCB includes
a first pattern for supplying the RF signals to the first radiator and the at least one second radiator, along the first direction; and a second pattern for supplying the RF signals to the first radiator and the at least one second radiator, along the second direction.

37 . The base station of claim 35 , in case that the at least one second radiator comprises two second radiators and the at least two gaps formed at the first point and the second point and the at least two gaps formed at the third point and the fourth point are formed in a second radiator of the two second radiators,
wherein the plurality of gaps further comprises:
at least two gaps formed at a fifth point and a sixth point where each of a third extension line through a center of the first radiator in the first direction comes into contact with an area of another second radiator of the two second radiators; and
at least two gaps formed at a seventh point and an eighth point where each of a fourth extension line extending through a center of the first radiator in the second direction comes into contact with an ar

Assignees

• Samsung Electronics Co Ltd

Inventors

• Kim Yoongeon
• Choi Seungho
• Ko Seungtae
• KUM Junsig
• Kim Hyunjin
• Lee Youngju

Classifications

• H01Q1/42 Primary

  Housings not intimately mechanically associated with radiating elements, e.g. radome · CPC title

• H01Q1/246 Primary

  specially adapted for base stations · CPC title

• H01Q7/00 Primary

  Loop antennas with a substantially uniform current distribution around the loop and having a directional radiation pattern in a plane perpendicular to the plane of the loop · CPC title

• H01Q5/385

  Two or more parasitic elements · CPC title

• H01Q19/005

  Patch antenna using one or more coplanar parasitic elements · CPC title