Compact Multi-Band Antenna for Worldwide Mobile Handset Applications

• US 20130307751A1
• Filed: 05/18/2012
• Published: 11/21/2013
• Est. Priority Date: 05/18/2012
• Status: Active Grant

• Current Assignee: Blackberry Limited
• Original Assignee: Blackberry Limited
• Inventors: Warden, James Paul, Yu-Jiun, Ren, Jeong, Seong Heon, Walker, Philip Mac
• Granted Patent: US 9,000,987 B2
• Time in Patent Office: Days
• US Class Current: 343/893
• CPC Class Codes: H01Q 1/243 with built-in antennas
• CPC Class Codes: H01Q 1/38 formed by a conductive layer on an insulating support patch antennas H01Q9/0407; microstrip dipole antennas H01Q9/065; microstrip slot antennas H01Q13/106; transmission line microstrip antennas H01Q13/206; manufacturing reflecting surfaces using insulating material for supporting the reflecting surface H01Q15/142
• CPC Class Codes: H01Q 1/521 reducing the coupling between adjacent antennas
• CPC Class Codes: H01Q 21/28 Combinations of substantially independent non-interacting antenna units or systems multiple beam H01Q25/00
• CPC Class Codes: H01Q 5/371 Branching current paths
• CPC Class Codes: H01Q 9/42 with folded element, the folded parts being spaced apart a small fraction of the operating wavelength

Abstract

A multi-band antenna component is provided. The multi-band antenna component comprises a carrier, a first antenna array, and a second antenna array. The carrier is composed of a ceramic material characterized by a permittivity of at least about 6, said carrier having a first region and a second region distinct from the first region. The first antenna array is disposed on the first region and comprises one or more antennas selected from the group consisting of a first antenna adapted for about 2.4 GHz wireless communication, a second antenna adapted for about 5 GHz wireless communication, and a third antenna adapted for wireless communication for a global positioning system. The second antenna array is disposed on the second region and comprises at least one of a fourth antenna adapted for about 850 MHz wireless communication or a fifth antenna adapted for about 1800/1900 MHz wireless communication.

Claims

1. A multi-band antenna component comprising:

a carrier composed of a ceramic material characterized by a permittivity of at least about 6, said carrier having a first region and a second region distinct from the first region;

a first antenna array disposed on the first region and comprising one or more antennas selected from the group consisting of a first antenna adapted for about 2.4 gigahertz (GHz) wireless communication, a second antenna adapted for about 5 GHz wireless communication, and a third antenna adapted for wireless communication for a global positioning system; and

a second antenna array disposed on the second region and comprising at least one of a fourth antenna adapted for about 850 megahertz (MHz) wireless communication or a fifth antenna adapted for about 1800/1900 MHz wireless communication.

2. The multi-band antenna component of claim 1, further comprising a shorting strip disposed on the carrier between the first region and the second region to reduce coupling between the first antenna array and the second antenna array.

3. The multi-band antenna component of claim 1, wherein the first antenna is adapted for a wireless communication system selected from the group consisting of a wireless local area network system, a wireless metropolitan area network system, and a wireless short-range communication system.

4. The multi-band antenna component of claim 3, wherein the wireless metropolitan area network system is a WiMax communication system.

5. The multi-band antenna component of claim 3, wherein the wireless short-range communication system is a Bluetooth communication system

6. The multi-band antenna component of claim 1, wherein the second antenna is adapted for wireless communication for a wireless local area network.

7. The multi-band antenna component of claim 1, wherein the fourth antenna and the fifth antenna are adapted for a wireless communication system in accordance with a Global Systems for Mobile Communications standard

8. The multi-band antenna component of claim 1, further comprising a first feed trace for coupling to the first antenna array and a second feed trace for coupling to the second antenna array.

9. The multi-band antenna component of claim 1, wherein the first antenna is a monopole antenna characterized generally by a C-shape having two substantially parallel legs, and wherein the second antenna is a monopole antenna characterized generally by an L-shape having a longer leg and a shorter leg, and wherein the third antenna is a monopole antenna characterized by a meander shape.

10. The multi-band antenna component of claim 9, wherein at least a portion of the longer leg of the L-shape of the second antenna lies below a plane created by an upper parallel leg of the C-shape of the first antenna.

11. The multi-band antenna component of claim 10, wherein the two parallel legs of the C-shape of the first antenna are disposed on opposite surfaces of the carrier, and wherein the portion of the longer leg of the L-shape of the second antenna is disposed on a side of the carrier between the opposite surfaces.

12. The multi-band antenna component of claim 1, wherein the fourth and fifth antennas are planar inverted F antennas (PIFAs);

and wherein a first section of the fourth antenna extends perpendicularly from a feed trace, and a second section of the fourth antenna connects to an end of the first section of the fourth antenna opposite the feed trace and extends parallel to the feed trace in a direction opposite to a feed point of the feed trace; and

wherein a first section of the fifth antenna connects to the feed trace at a point farther from the feed point than the point where the first section of the fourth antenna connects to the feed trace, and the first portion of the fifth antenna extends perpendicularly from the feed trace toward the second section of the fourth antenna to a point short of the second section of the fourth antenna, and a second section of the fifth antenna connects to an end of the first section of the fifth antenna opposite the feed trace and extends parallel to the feed trace in a direction opposite the feed point, and a third section of the fifth antenna connects to an end of the second section of the fifth antenna and extends parallel to the first section of the fifth antenna parallel in a direction toward the feed trace.

13. The multi-band antenna component of claim 12, wherein a ground trace connects to the feed trace on a side of the feed trace opposite the side where the fourth and fifth antennas connect to the feed trace, and wherein the ground trace has a shape such that the ground trace and the feed trace outline an L-shaped gap, with the feed trace forming the longest side of the L-shaped gap.

14. A wireless communication device comprising:

a multi-band antenna component that includes a carrier composed of a ceramic material characterized by a permittivity of at least about 6, said carrier having a first region and a second region distinct from the first region;

that further includes a first antenna array disposed on the first region and comprising one or more antennas selected from the group consisting of a first antenna adapted for about 2.4 gigahertz (GHz) wireless communication, a second antenna adapted for about 5 GHz wireless communication, and a third antenna adapted for wireless communication for a global positioning system; and

that further includes a second antenna array disposed on the second region and comprising at least one of a fourth antenna adapted for about 850 megahertz (MHz) wireless communication or a fifth antenna adapted for about 1800/1900 MHz wireless communication.

15. The device of claim 14, further comprising a shorting strip disposed on the carrier between the first region and the second region to reduce coupling between the first antenna array and the second antenna array.

16. The device of claim 14, wherein the first antenna is adapted for a wireless communication system selected from the group consisting of a wireless local area network system, a wireless metropolitan area network system, and a wireless short-range communication system.

17. The device of claim 16, wherein the wireless metropolitan area network system is a WiMax communication system.

18. The device of claim 16, wherein the wireless short-range communication system is a Bluetooth communication system

19. The device of claim 14, wherein the second antenna is adapted for wireless communication for a wireless local area network.

20. The device of claim 14, wherein the fourth antenna and the fifth antenna are adapted for a wireless communication system in accordance with a Global Systems for Mobile Communications standard

21. The device of claim 14, further comprising a first feed trace for coupling to the first antenna array and a second feed trace for coupling to the second antenna array.

22. The device of claim 14, wherein the first antenna is a monopole antenna characterized generally by a C-shape having two substantially parallel legs, and wherein the second antenna is a monopole antenna characterized generally by an L-shape having a longer leg and a shorter leg, and wherein the third antenna is a monopole antenna characterized by a meander shape.

23. The device of claim 22, wherein at least a portion of the longer leg of the L-shape of the second antenna lies below a plane created by an upper parallel leg of the C-shape of the first antenna.

24. The device of claim 23, wherein the two parallel legs of the C-shape of the first antenna are disposed on opposite surfaces of the carrier, and wherein the portion of the longer leg of the L-shape of the second antenna is disposed on a side of the carrier between the opposite surfaces.

25. The device of claim 14, wherein the fourth and fifth antennas are planar inverted F antennas (PIFAs);

and wherein a first section of the fourth antenna extends perpendicularly from a feed trace, and a second section of the fourth antenna connects to an end of the first section of the fourth antenna opposite the feed trace and extends parallel to the feed trace in a direction opposite to a feed point of the feed trace; and

wherein a first section of the fifth antenna connects to the feed trace at a point farther from the feed point than the point where the first section of the fourth antenna connects to the feed trace, and the first portion of the fifth antenna extends perpendicularly from the feed trace toward the second section of the fourth antenna to a point short of the second section of the fourth antenna, and a second section of the fifth antenna connects to an end of the first section of the fifth antenna opposite the feed trace and extends parallel to the feed trace in a direction opposite the feed point, and a third section of the fifth antenna connects to an end of the second section of the fifth antenna and extends parallel to the first section of the fifth antenna parallel in a direction toward the feed trace.

26. The device of claim 25, wherein a ground trace connects to the feed trace on a side of the feed trace opposite the side where the fourth and fifth antennas connect to the feed trace, and wherein the ground trace has a shape such that the ground trace and the feed trace outline an L-shaped gap, with the feed trace forming the longest side of the L-shaped gap.

27. A wireless communication device comprising:

an antenna carrier; and

an antenna array disposed on the antenna carrier, wherein the antenna array includes a first antenna adapted for about 2.4 gigahertz (GHz) wireless communication, a second antenna adapted for about 5 GHz wireless communication, and a third antenna adapted for wireless communication for a global positioning system.

28. The device of claim 27, wherein the antenna array further includes a feed trace coupled to the first antenna, the second antenna, and the third antenna.

29. The device of claim 27, wherein the antenna carrier is a ceramic material characterized by a permittivity of at least about 6.

30. The device of claim 27, wherein the first antenna is adapted for a wireless communication system selected from the group consisting of a wireless local area network system, a wireless metropolitan area network system, and a wireless short-range communication system.

31. The device of claim 30, wherein the wireless metropolitan area network system is a WiMax communication system.

32. The device of claim 30, wherein the wireless short-range communication system is a Bluetooth communication system

33. The device of claim 27, wherein the second antenna is adapted for wireless communication for a wireless local area network.

34. The device of claim 27, wherein the first antenna is a monopole antenna characterized generally by a C-shape having two substantially parallel legs, and wherein the second antenna is a monopole antenna characterized generally by an L-shape having a longer leg and a shorter leg, and wherein the third antenna is a monopole antenna characterized by a meander shape.

35. The device of claim 34, wherein at least a portion of the longer leg of the L-shape of the second antenna lies below a plane created by an upper parallel leg of the C-shape of the first antenna.

36. The device of claim 35, wherein the two parallel legs of the C-shape of the first antenna are disposed on opposite surfaces of the carrier, and wherein the portion of the longer leg of the L-shape of the second antenna is disposed on a side of the carrier between the opposite surfaces.