ANTENNA STRUCTURE AND ELECTRONIC DEVICE

• US 20200388921A1
• Filed: 11/19/2019
• Published: 12/10/2020
• Est. Priority Date: 06/06/2019
• Status: Active Grant

• Current Assignee: Beijing Xiaomi Mobile Software Co., Ltd. (Xiaomi Corp.)
• Original Assignee: Beijing Xiaomi Mobile Software Co., Ltd. (Xiaomi Corp.)
• Inventors: WANG, Wei, XIE, Wanbo
• Granted Patent: US 11,165,152 B2
• Time in Patent Office: Days
• CPC Class Codes: H01Q 1/243 with built-in antennas
• CPC Class Codes: H01Q 1/246 specially adapted for base stations
• CPC Class Codes: H01Q 21/06 Arrays of individually energised antenna units similarly polarised and spaced apart
• CPC Class Codes: H01Q 21/28 Combinations of substantially independent non-interacting antenna units or systems multiple beam H01Q25/00
• CPC Class Codes: H01Q 21/30 Combinations of separate antenna units operating in different wavebands and connected to a common feeder system
• CPC Class Codes: H01Q 25/00 Antennas or antenna systems providing at least two radiating patterns arrangements for changing or varying the orientation or the shape of the directional pattern H01Q3/00
• CPC Class Codes: H01Q 5/335 at the feed, e.g. for impedance matching

Abstract

An antenna structure includes: an antenna array and a radio frequency component; and a radio frequency transfer switch, wherein the radio frequency transfer switch is connected with the antenna array and the radio frequency component, a number of the antenna array connected with the radio frequency transfer switch is greater than a number of the radio frequency component connected with the radio frequency transfer switch, the radio frequency transfer switch is configured to switch a feed object of at least one radio frequency component connected therewith, and the feed object is any antenna array connected therewith.

Claims

1. An antenna structure, comprising:

at least one antenna array and at least one radio frequency component; and

a radio frequency transfer switch,

wherein;

the radio frequency transfer switch is connected with the at least one antenna array;

a number of the at least one antenna array connected with the radio frequency transfer switch is greater than a number of the at least one radio frequency component connected with the radio frequency transfer switch;

the radio frequency transfer switch is configured to switch a feed object of the at least one radio frequency component connected with the radio frequency transfer switch; and

the feed object is any antenna array connected with the radio frequency transfer switch.

2. The antenna structure of claim 1, comprising:

multiple antenna arrays, each antenna array is connected with the radio frequency transfer switch; and

a single radio frequency component, the single radio frequency component is connected with the radio frequency transfer switch to switch a feed object of the single radio frequency component through the radio frequency transfer switch.

3. The antenna structure of claim 2, wherein each antenna array comprises multiple antenna elements, the single radio frequency component comprises multiple feed ports, and a number of the feed ports is equal to a number of the antenna elements.

4. The antenna structure of claim 2, wherein the radio frequency transfer switch comprises multiple radio frequency transfer sub-switches, each feed port of the single radio frequency component is connected with a radio frequency transfer sub-switch respectively, and each radio frequency transfer sub-switch is connected with at least one antenna array.

5. The antenna structure of claim 1, comprising multiple radio frequency components, wherein at least one of the multiple radio frequency components is capable of selecting one of at least two antenna arrays for feeding through the radio frequency transfer switch.

6. The antenna structure of claim 5, comprising a single radio frequency transfer switch, wherein the single radio frequency transfer switch is connected with each radio frequency component and each antenna array.

7. The antenna structure of claim 5, wherein the radio frequency transfer switch comprises multiple radio frequency transfer sub-switches in one-to-one correspondence with the multiple radio frequency components.

8. The antenna structure of claim 1, wherein the multiple antenna arrays are arranged in parallel.

9. The antenna structure of claim 1, comprising a 5th-Generation (5G) millimeter wave antenna.

19. A mobile phone comprising the antenna structure of claim 1, comprising a first number of antenna arrays and a second number of radio frequency component(s), wherein the first number is larger than the second number.

20. The mobile phone of claim 19, wherein the mobile phone is configured to switch the feed object of the radio frequency component through a switching function of the radio frequency transfer switch, to ensure that each antenna array is capable of being connected with the radio frequency component, thereby reducing the second number of required radio frequency component(s).

10. An electronic device, comprising an antenna structure including:

at least one antenna array and at least one radio frequency component; and

a radio frequency transfer switch,

wherein;

the radio frequency transfer switch is connected with the at least one antenna array;

a number of the at least one antenna array connected with the radio frequency transfer switch is greater than a number of the at least one radio frequency component connected with the radio frequency transfer switch;

the radio frequency transfer switch is configured to switch a feed object of the at least one radio frequency component connected with the radio frequency transfer switch; and

the feed object is any antenna array connected with the radio frequency transfer switch.

11. The electronic device of claim 10, comprising:

multiple antenna arrays, each antenna array is connected with the radio frequency transfer switch; and

a single radio frequency component, the single radio frequency component is connected with the radio frequency transfer switch to switch a feed object of the single radio frequency component through the radio frequency transfer switch.

12. The electronic device of claim 11, wherein each antenna array comprises multiple antenna elements, the single radio frequency component comprises multiple feed ports, and a number of the feed ports is equal to a number of the antenna elements.

13. The electronic device of claim 11, wherein the radio frequency transfer switch comprises multiple radio frequency transfer sub-switches, each feed port of the single radio frequency component is connected with a radio frequency transfer sub-switch respectively, and each radio frequency transfer sub-switch is connected with at least one antenna array.

14. The electronic device of claim 10, comprising multiple radio frequency components, wherein at least one of the multiple radio frequency components is capable of selecting one of at least two antenna arrays for feeding through the radio frequency transfer switch.

15. The electronic device of claim 14, comprising a single radio frequency transfer switch, wherein the single radio frequency transfer switch is connected with each radio frequency component and each antenna array.

16. The electronic device of claim 14, wherein the radio frequency transfer switch comprises multiple radio frequency transfer sub-switches in one-to-one correspondence with the multiple radio frequency components.

17. The electronic device of claim 10, wherein the multiple antenna arrays are arranged in parallel.

18. The electronic device of claim 10, further comprising a 5th-Generation (5G) millimeter wave antenna.