Antenna and communication system including the antenna

Patent metadata

Field	Value
Publication number	US-9525211-B2
Application number	US-201414146159-A
Country	US
Kind code	B2
Filing date	Jan 2, 2014
Priority date	Jan 3, 2013
Publication date	Dec 20, 2016
Grant date	Dec 20, 2016

Abstract

An antenna and a communication system with the antenna are provided. The antenna may include a first layer including a plurality of folded stubs, a second layer including a pattern of the folded stubs, and a third layer connected to ground is disposed between the first layer and the second layer.

First claim

What is claimed is:

1. An antenna comprising:
a first layer comprising stubs;
a second layer comprising a pattern of the stubs;
a third layer connected to ground and disposed between the first layer and the second layer, and
a fourth layer in the form of a ridge and disposed between the first layer and the second layer.

2. The antenna of claim 1 , wherein the stubs are of at least two different lengths.

3. The antenna of claim 1 , wherein the length of the stubs is one-fourth of a guided wavelength.

4. The antenna of claim 1 , wherein the stubs are arranged along an outer portion of the antenna and point outwards in four directions.

5. The antenna of claim 1 , wherein the first layer is connected to the second layer by a feeding via.

6. The antenna of claim 1 , wherein the third layer is electrically insulated from the first layer and the second layer.

7. The antenna of claim 1 , wherein the fourth layer is connected with the third layer by a ground via and is separated from the first layer.

8. The antenna of claim 1 , further comprising a diode configured to vary an operating frequency based on at least one of a position on the antenna or a magnitude of an applied voltage.

9. The antenna of claim 8 , wherein the diode is connected in parallel with a slot of the antenna, the slot being disposed in the first layer.

10. The antenna of claim 1 , wherein the third layer is smaller than the first and the second layers.

11. The antenna of claim 1 , wherein the stubs are folded into a flattened U-shape.

12. The antenna of claim 11 , wherein the stubs are arranged at uniform intervals to form a comb-teeth shaped structure.

13. An antenna comprising:
a first layer comprising stubs;
a second layer comprising a pattern of the stubs; and
a third layer connected to ground and disposed between the first layer and the second layer,
wherein the third layer is separated from the first layer to form a cavity structure.

14. A communication system comprising:
an antenna comprising
a first layer comprising stubs;
a second layer comprising a pattern of the stubs of the first layer; and

a third layer electrically insulated from the first layer and the second layer and connected to ground; and
a signal processing circuit configured to process a signal transmitted through the antenna,
wherein the first layer is configured to perform direct current (DC) biasing.

15. The communication system of claim 14 , wherein the stubs are of at least two different lengths.

16. The communication system of claim 14 , wherein the antenna further comprises a fourth layer in the form of a ridge, the fourth layer being disposed between the first layer and the second layer and being separated from the first layer.

17. The communication system of claim 14 , wherein the antenna comprises a diode configured to vary an operating frequency based on at least one of a position on the antenna or a magnitude of an applied voltage.

18. The communication system of claim 14 , further comprising a radio frequency choke (RFC) disposed between the antenna and the signal processing circuit.

Assignees

• Samsung Electronics Co Ltd
• Ajou Univ Industry-Academic Coop Found
• Samsung Electronics Co Ltd

Inventors

• Lee Byung Moo
• Kang Byung Chang
• Bang Jong Ho
• Byun Jin Do
• Lee Hai-Young

Classifications

• H01Q13/18

  the slot being backed by, or formed in boundary wall of, a resonant cavity (longitudinally slotted cylinder H01Q13/12 ){; Open cavity antennas} · CPC title

• H01Q13/103 Primary

  with variable reactance for tuning the antenna (tuning resonant circuits H03J) · CPC title

• H01Q19/06

  using refracting or diffracting devices, e.g. lens {(radome H01Q1/42)} · CPC title

• H01Q1/24

  with receiving set · CPC title

• H01Q13/00 Primary

  Waveguide horns or mouths; Slot antennas; Leaky-waveguide antennas; Equivalent structures causing radiation along the transmission path of a guided wave · CPC title