GB2624348A - Dual band antenna - Google Patents
Dual band antenna Download PDFInfo
- Publication number
- GB2624348A GB2624348A GB2402683.3A GB202402683A GB2624348A GB 2624348 A GB2624348 A GB 2624348A GB 202402683 A GB202402683 A GB 202402683A GB 2624348 A GB2624348 A GB 2624348A
- Authority
- GB
- United Kingdom
- Prior art keywords
- band antenna
- dual band
- patch
- disposed
- outer periphery
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000009977 dual effect Effects 0.000 title claims abstract 60
- 239000000758 substrate Substances 0.000 claims abstract 14
- 239000000463 material Substances 0.000 claims abstract 8
- 239000000523 sample Substances 0.000 claims 5
- 239000011800 void material Substances 0.000 claims 5
- 239000010410 layer Substances 0.000 claims 4
- 230000010287 polarization Effects 0.000 claims 1
- 230000005855 radiation Effects 0.000 claims 1
- 239000002356 single layer Substances 0.000 claims 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q9/00—Electrically-short antennas having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements
- H01Q9/04—Resonant antennas
- H01Q9/0407—Substantially flat resonant element parallel to ground plane, e.g. patch antenna
- H01Q9/0428—Substantially flat resonant element parallel to ground plane, e.g. patch antenna radiating a circular polarised wave
- H01Q9/0435—Substantially flat resonant element parallel to ground plane, e.g. patch antenna radiating a circular polarised wave using two feed points
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
- H01Q5/30—Arrangements for providing operation on different wavebands
- H01Q5/307—Individual or coupled radiating elements, each element being fed in an unspecified way
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q9/00—Electrically-short antennas having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements
- H01Q9/04—Resonant antennas
- H01Q9/0407—Substantially flat resonant element parallel to ground plane, e.g. patch antenna
- H01Q9/0414—Substantially flat resonant element parallel to ground plane, e.g. patch antenna in a stacked or folded configuration
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q9/00—Electrically-short antennas having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements
- H01Q9/04—Resonant antennas
- H01Q9/0407—Substantially flat resonant element parallel to ground plane, e.g. patch antenna
- H01Q9/0442—Substantially flat resonant element parallel to ground plane, e.g. patch antenna with particular tuning means
Landscapes
- Waveguide Aerials (AREA)
Abstract
A dual band antenna includes a substrate having a magnetodielectric material, and an electrically conductive patch disposed on the substrate, wherein the patch has at least one in-plane cutout having an H-shape or an I-shape, as observed in a plan view of the patch.
Claims (48)
1. A dual band antenna, comprising: a substrate comprising a magnetodielectric material; an electrically conductive patch disposed on the substrate; wherein the patch comprises at least one in-plane cutout having an H-shape or an I- shape, as observed in a plan view of the patch.
2. The dual band antenna of Claim 1, wherein: the at least one cutout is disposed at an oblique angle relative to a central x-y-z orthogonal reference frame of the patch.
3. The dual band antenna of any one of Claims 1 to 2, wherein: the substrate is a single layer of the magnetodielectric material.
4. The dual band antenna of any one of Claims 1 to 3, wherein a combination of the substrate and the patch provides a first layer of the dual band antenna, and further wherein: a second layer of the combination is disposed on the first layer to form a multi-layer dual band antenna.
5. The dual band antenna of any one of Claims 1 to 4, wherein: the at least one cutout is disposed inside of an outer periphery of the patch.
6. The dual band antenna of any one of Claims 1 to 5, wherein: the H-shape or I-shape of the at least one cutout has mirror-image symmetry in two planes orthogonal to a plan view plane of the patch.
7. The dual band antenna of any one of Claims 1 to 6, wherein: an outer periphery of the patch is smaller than and disposed within an outer periphery of the substrate. The patch size can be the same size of magnetodielectric substrate based on the design frequency.
8. The dual band antenna of any one of Claims 1 to 7, wherein: the outer periphery of the substrate has a plan view profile that is rectangular, or circular.
9. The dual band antenna of any one of Claims 1 to 8, wherein: the outer periphery of the patch has a plan view profile that is at least partially circular.
10. The dual band antenna of any one of Claims 1 to 9, wherein: the at least one cutout is radially offset from a central z-axis of the patch, the central z-axis extending perpendicular to a plan view of the patch.
11. The dual band antenna of any one of Claims 1 to 10, wherein: the at least one cutout has two elongated legs and a bridge leg that conjoins the two elongated legs, the two elongated legs being oriented at a non-zero-degree angle and a nonninety-degree angle relative to both a centrally disposed x-axis and a centrally disposed y- axis of the patch, as observed in a plan view of the patch.
12. The dual band antenna of Claim 11, wherein: the two elongated legs are each oriented at a forty-five-degree angle relative to both the x-axis and the y-axis of the patch.
13. The dual band antenna of any one of Claims 11 to 12, wherein: the bridge leg is oriented orthogonal to each of the two elongated legs.
14. The dual band antenna of any one of Claims 11 to 13, wherein: the bridge leg is disposed equidistant from each end of each of the two elongated legs.
15. The dual band antenna of any one of Claims 1 to 14, wherein: the outer periphery of the patch comprises one or more notches.
16. The dual band antenna of Claim 15, wherein: the one or more notches are symmetrically disposed on the outer periphery of the patch.
17. The dual band antenna of Claim 15, wherein: the one or more notches are asymmetrically disposed on the outer periphery of the patch.
18. The dual band antenna of Claim 15, wherein: the one or more notches comprise at least one pair of notches that are diametrically opposed from each other.
19. The dual band antenna of Claim 15, wherein: the one or more notches comprise at least two pairs of notches that are each diametrically opposed from each other.
20. The dual band antenna of Claim 19, wherein: as observed in a plan view of the patch relative to a central z-axis of the patch, a first pair of the at least two pairs of notches are disposed on an x-axis of the patch, and a second pair of the at least two pairs of notches are disposed on a y-axis of the patch.
21. The dual band antenna of any one of Claims 15 to 20, wherein: the one or more notches are disposed equidistantly around the outer periphery of the patch.
22. The dual band antenna of any one of Claims 15 to 21, wherein: the one or more notches have identical profiles.
23. The dual band antenna of any one of Claims 15 to 22, wherein: the one or more notches each have a profile that is partially rectangular.
24. The dual band antenna of any one of Claims 1 to 23, further comprising: two signal probes.
25. The dual band antenna of Claim 24, wherein: each one of the two signal probes is oriented parallel to the central z-axis of the patch.
26. The dual band antenna of any one of Claims 24 to 25, wherein: 19 as observed in a plan view of the patch relative to a central z-axis of the patch, a first of the two signal probes is disposed on an x-axis but not a y-axis of the patch, and a second of the two signal probes is disposed on the y-axis but not the x-axis of the patch.
27. The dual band antenna of any one of Claims 24 to 26, further comprising: an electrical ground reference, wherein the substrate is disposed on the electrical ground reference.
28. The dual band antenna of Claim 27, further comprising: a signal feed network disposed in signal communication with the patch.
29. The dual band antenna of Claim 28, wherein: the signal feed network is disposed below the substrate.
30. The dual band antenna of any one of Claims 28 to 29, wherein: the signal feed network is disposed above the electrical ground reference.
31. The dual band antenna of any one of Claims 28 to 29, wherein: the signal feed network is disposed below the electrical ground reference.
32: The dual band antenna of any one of Claims 28 to 31, wherein: the signal feed network includes power divider circuitry electrically connected with and between a signal port connector and the two signal probes.
33. The dual band antenna of any one of Claims 27 to 32, wherein: an outer periphery of the substrate is smaller than and disposed within an outer periphery of the electrical ground reference.
34. The dual band antenna of any one of Claims 27 to 33, wherein: the electrical ground reference comprises a void of ground material proximate the substrate and inboard of an outer periphery of the substrate.
35. The dual band antenna of Claim 34, wherein: 20 the void of ground material is at least partially inboard of the outer periphery of the patch, as observed in a plan view of the patch.
36. The dual band antenna of any one of Claims 34 to 35, wherein: the void of ground material is at least partially outboard of the outer periphery of the patch, as observed in a plan view of the patch.
37. The dual band antenna of any one of Claims 34 to 36, wherein: the void of ground material is both at least partially outboard and at least partially inboard of the outer periphery of the patch, as observed in a plan view of the patch.
38. The dual band antenna of any one of Claims 34 to 37, wherein: the void of ground material is in the form of a rectangle.
39. The dual band antenna of any one of Claims 1 to 38, wherein: the dual band antenna is operational over at least two frequency bands.
40. The dual band antenna of Claim 39, wherein: the dual band antenna is operational to discriminate frequencies between individual ones of the at least two frequency bands.
41. The dual band antenna of any one of Claims 39 to 40, wherein: a first of the at least two frequency bands is the L5 band.
42. The dual band antenna of Claim 41, wherein: a second of the at least two frequency bands is the L2 band.
43. The dual band antenna of Claim 39, wherein: the at least two frequencies are operational within a nominal frequency range from 1.17 GHz to 1.23 GHz.
44. The dual band antenna of any one of Claims 1 to 43, wherein: the dual band antenna is operational with a gain equal to or greater than 3 dBi at each respective operational band. 21
45. The dual band antenna of any one of Claims 1 to 44, wherein: the dual band antenna is operational with an axial ratio equal to or less -than 3 dB, at +/- 30-degrees from each radiation boresight of the dual band antenna.
46. The dual band antenna of any one of Claims 1 to 45, wherein: the dual band antenna is operational with right-hand-circular-polarization or left hand circular polarization.
47. The dual band antenna of any one of Claims 1 to 46, wherein: the dual band antenna is operational with an efficiency of equal to or greater than 51%.
48. The dual band antenna of Claim 47, wherein: the dual band antenna is operational at a broad axial ratio bandwidth at 3 dB of equal to or greater than 10 MHz, alternatively equal to or greater than 50 MHz, further alternatively equal to or greater than 100 MHz. 22
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US202163247570P | 2021-09-23 | 2021-09-23 | |
| US17/948,766 US20230088794A1 (en) | 2021-09-23 | 2022-09-20 | Dual band antenna |
| PCT/US2022/044199 WO2023049149A1 (en) | 2021-09-23 | 2022-09-21 | Dual band antenna |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| GB202402683D0 GB202402683D0 (en) | 2024-04-10 |
| GB2624348A true GB2624348A (en) | 2024-05-15 |
Family
ID=83903034
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB2402683.3A Pending GB2624348A (en) | 2021-09-23 | 2022-09-21 | Dual band antenna |
Country Status (3)
| Country | Link |
|---|---|
| KR (1) | KR20240065121A (en) |
| GB (1) | GB2624348A (en) |
| WO (1) | WO2023049149A1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117878597B (en) * | 2024-03-12 | 2024-05-14 | 湖南大学 | Ultra-wideband MIMO antenna with high isolation characteristic |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1276170A1 (en) * | 2001-07-12 | 2003-01-15 | TDK Corporation | Multi-band antenna |
| US20060097922A1 (en) * | 2004-11-09 | 2006-05-11 | The Mitre Corporation | Method and system for a single-fed patch antenna having improved axial ratio performance |
| US20120154235A1 (en) * | 2009-08-27 | 2012-06-21 | Mitsumi Electric Co. Ltd. | Circularly polarised antenna |
| CN202333124U (en) * | 2011-10-26 | 2012-07-11 | 常州亚邦天线有限公司 | Microstrip antenna |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2020123899A (en) * | 2019-01-31 | 2020-08-13 | ミツミ電機株式会社 | Antenna device |
-
2022
- 2022-09-21 KR KR1020247011949A patent/KR20240065121A/en unknown
- 2022-09-21 GB GB2402683.3A patent/GB2624348A/en active Pending
- 2022-09-21 WO PCT/US2022/044199 patent/WO2023049149A1/en active Application Filing
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1276170A1 (en) * | 2001-07-12 | 2003-01-15 | TDK Corporation | Multi-band antenna |
| US20060097922A1 (en) * | 2004-11-09 | 2006-05-11 | The Mitre Corporation | Method and system for a single-fed patch antenna having improved axial ratio performance |
| US20120154235A1 (en) * | 2009-08-27 | 2012-06-21 | Mitsumi Electric Co. Ltd. | Circularly polarised antenna |
| CN202333124U (en) * | 2011-10-26 | 2012-07-11 | 常州亚邦天线有限公司 | Microstrip antenna |
Non-Patent Citations (2)
| Title |
|---|
| LUNA BONILLA JAVIER A ET AL,"Miniaturization of a microstrip antenna with magneto-dielectrics substrates for a passive tag RFID operating at 915 MHz on a metallic surface"2014 IEEE BRASIL RFID, IEEE,25-09-2014,pages61-63,XP032787687,DOI:10.1109/BRASILFID.2014.7128967 ISBN:978-1-4799-7045-2 fig 1 * |
| MOSALLACI H ET AL,Embedded-circuit and ris meta-substrates for novel antenna designs,ANTENNAS AND PROPAGATION SOCIETY SYMPOSIUM, 2004. IEEE MONTEREY,CA,USA JUNE 20-25,2004, PISCATAWAY,NJ,USA,IEEE,(20040620), pages 301 - 304,XP010721285,DOI:10.1109/APS.2004.1329632 ISBN:978-0-7803-8302-9 fg 4 Sec 2 * |
Also Published As
| Publication number | Publication date |
|---|---|
| GB202402683D0 (en) | 2024-04-10 |
| WO2023049149A1 (en) | 2023-03-30 |
| KR20240065121A (en) | 2024-05-14 |
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