Patch antenna, method of manufacturing and using such an antenna, and antenna system
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
H01Q-009/04
H01Q-001/48
H01Q-013/10
H01Q-021/06
H01Q-009/28
H01Q-019/10
출원번호
US-0129092
(2015-02-03)
등록번호
US-10128572
(2018-11-13)
우선권정보
WO-PCT/NL2014/050188 (2014-03-26)
국제출원번호
PCT/NL2015/050070
(2015-02-03)
국제공개번호
WO2015/147635
(2015-10-01)
발명자
/ 주소
Caratelli, Diego
Gielis, Johan Leo Alfons
Paraforou, Vasiliki
Mescia, Luciano
Bia, Pietro
출원인 / 주소
The Antenna Company International N.V.
대리인 / 주소
Renner, Otto, Boisselle & Sklar, LLP
인용정보
피인용 횟수 :
0인용 특허 :
38
초록▼
The invention relates to a patch antenna. The invention also relates to an antenna system for transmitting and receiving electromagnetic signals comprising at least one antenna according to the invention. The invention further relates to a method of manufacturing an antenna according to the inventio
The invention relates to a patch antenna. The invention also relates to an antenna system for transmitting and receiving electromagnetic signals comprising at least one antenna according to the invention. The invention further relates to a method of manufacturing an antenna according to the invention. The invention moreover relates to a method for use in wireless communications by using an antenna according to the invention. The invention additionally relates to a RF transceiver of a wireless communications device comprising at least one antenna according to the invention. The invention further relates to an electronic device comprising an RF transceiver according to the invention.
대표청구항▼
1. A patch antenna, comprising: at least one electrically conductive patch,at least one electrically conductive ground plane,at least one feed connector which is insulated from the at least one ground plane and which is conductively connected to the at least one patch, andat least one dielectric spa
1. A patch antenna, comprising: at least one electrically conductive patch,at least one electrically conductive ground plane,at least one feed connector which is insulated from the at least one ground plane and which is conductively connected to the at least one patch, andat least one dielectric spacer structure for separating the at least one patch and the at least one ground plane,wherein the at least one patch is defined by at least a part of at least one base profile which is substantially supershaped,wherein said supershaped base profile is defined by the polar function: ρd(φ)=(1acosm14φn2+1bsinm24φn3)-1n1wherein: ρd(φ) is a curve located in the XY-plane,φ∈[0, 2π) is the angular coordinate,m1≠0 and m2≠0, andwherein at least one of n1, n2, and n3 does not equal 2,andwherein the at least one patch is configured to operate in a broad frequency range for which the emitted signal bandwidth exceeds the lesser of 500 MHz or 20% of the center frequency, andwherein the at least one patch is defined by the polar function: ρd(φ)=(1acosm14φn2+1bsinm24φn3)-1n1wherein: m1 equals m2 and ranges from 1 to 3.5;a=b=1;n3 equals n2 and ranges from 0.7 to 3; andn1 ranges from 0.5 to 3, and more specifically wherein: m1 equals m2 and ranges from 1 to 3.5;a=b=1;combined with either: n1=3 while n3 equals n2 and is chosen from 3, 1, and 0.7;n1=1 while n3 equals n2 and is chosen from 3, 2.5, and 1;n1=0.7 while n3 equals n2 and is 3; orn1=0.5 while n3 equals n2 and is 2.5. 2. The patch antenna according to claim 1, wherein the at least one feed connector is a microstrip line, which is provided in parallel orientation to the perpendicular symmetry plane of the at least one patch, at a distance from said symmetry plane, said distance being larger than the width of the microstrip line. 3. The patch antenna according to claim 1, wherein the patch antenna comprises a plurality of patches, each of which is connected to a separate feed connector. 4. The patch antenna according to claim 3, wherein the plurality of patches are positioned at a distance from each other. 5. The patch antenna according to claim 1, wherein the at least one patch connected to the at least one feed connector acts as a primary patch, and wherein the patch antenna further comprises at least one secondary patch positioned at a distance from said primary patch, such that the primary patch and the secondary patch are configured to interact electromagnetically with another. 6. The patch antenna according to claim 5, wherein the at least one primary patch and the at least one secondary patch have a combined base profile which is supershaped. 7. The patch antenna according to claim 5, wherein the at least one primary patch and the at least one secondary patch are mutually separated by at least one slot, wherein said at least one slot has a base profile which is substantially supershaped. 8. The patch antenna according to claim 1, wherein the spacer structure and/or the ground plane has a substantial circular or elliptical shape. 9. The patch antenna according to claim 1, wherein the at least one feed connector is connected to the at least one patch at an off-center position on the patch. 10. The patch antenna according to claim 1, wherein the at least one feed connector comprises a microstrip extending substantially parallel to the at least one ground plane. 11. The patch antenna according to claim 1, wherein the at least one feed connector is led through a hole provided in the at least one ground plane. 12. A method of manufacturing the antenna according to claim 1, comprising: A) designing the at least one patch such that the at least one patch is defined by at least a part of at least one base profile which is substantially supershaped, said supershape defined by the polar function: ρd(φ)=(1acosm14φn2+1bsinm24φn3)-1n1wherein: ρd(φ) is a curve located in the XY-plane,φ∈[0, 2π) is the angular coordinate,m1≠0 and m2≠0, andwherein at least one of n1, n2, and n3 does not equal 2;B) assembling, by using a spacer structure, a ground plane, the at least one patch, and a feed connector which is insulated from the ground plane and which is conductively connected to the at least one patch, wherein the at least one patch and the ground plane are separated by the spacer structure. 13. The method according to claim 12, wherein during step B) multiple patches are attached to the substrate, wherein each patch is connected to its own feed connector. 14. A method for use in wireless communications by using a patch antenna, the method comprising the step of connecting a communication circuit to an antenna network, the network comprising a plurality of patch antennas according to claim 1, each antenna optimized for operation in at least one designated frequency band. 15. An RF transceiver of a wireless communications device comprising at least one patch antenna according to claim 1. 16. A patch antenna, comprising: at least one electrically conductive patch,at least one electrically conductive ground plane,at least one feed connector which is insulated from the at least one ground plane and which is conductively connected to the at least one patch, andat least one dielectric spacer structure for separating the at least one patch and the at least one ground plane,wherein the at least one patch is defined by at least a part of at least one base profile which is substantially supershaped, wherein said supershaped base profile is defined by the polar function: ρd(φ)=(1acosm14φn2+1bsinm24φn3)-1n1wherein: ρd(φ) is a curve located in the XY-plane,φ∈[0, 2π) is the angular coordinate,m1≠0 and m2≠0, andwherein at least one of n1, n2, and n3 does not equal 2,wherein the at least one patch is configured to operate in a broad frequency range for which the emitted signal bandwidth exceeds the lesser of 500 MHz or 20% of the center frequency, and wherein the at least one patch is defined by the polar function: ρd(φ)=(1acosm14φn2+1bsinm24φn3)-1n1wherein: m1=m2=1;a=b=1;n3 equals n2 and ranges from 1 to 10;n1 ranges from 1 to 1.5. 17. A patch antenna, comprising: at least one electrically conductive patch,at least one electrically conductive ground plane,at least one feed connector which is insulated from the at least one ground plane and which is conductively connected to the at least one patch, andat least one dielectric spacer structure for separating the at least one patch and the at least one ground plane,wherein the at least one patch is defined by at least a part of at least one base profile which is substantially supershaped, wherein said supershaped base profile is defined by the polar function: ρd(φ)=(1acosm14φn2+1bsinm24φn3)-1n1wherein: ρd(φ) is a curve located in the XY-plane,φ∈[0, 2π) is the angular coordinate,m1≠0 and m2≠0, andwherein at least one of n1, n2, and n3 does not equal 2,wherein the at least one patch is configured to operate in a broad frequency range for which the emitted signal bandwidth exceeds the lesser of 500 MHz or 20% of the center frequency, and wherein the at least one patch is defined by the polar function: ρd(φ)=(1acosm14φn2+1bsinm24φn3)-1n1wherein: m1 equals m2 and ranges from 3.6 to 4.5;a=b=1;n3=n2=3; andn1=3. 18. A patch antenna, comprising: at least one electrically conductive patch,at least one electrically conductive ground plane,at least one feed connector which is insulated from the at least one ground plane and which is conductively connected to the at least one patch, andat least one dielectric spacer structure for separating the at least one patch and the at least one ground plane,wherein the at least one patch is defined by at least a part of at least one base profile which is substantially supershaped, wherein said supershaped base profile is defined by the polar function: ρd(φ)=(1acosm14φn2+1bsinm24φn3)-1n1wherein: ρd(φ) is a curve located in the XY-plane,φ∈[0, 2π) is the angular coordinate,m1≠0 and m2≠0, andwherein at least one of n1, n2, and n3 does not equal 2,wherein the at least one patch is configured to operate in a broad frequency range for which the emitted signal bandwidth exceeds the lesser of 500 MHz or 20% of the center frequency, and wherein the at least one patch is provided with a slot being an excised area within the at least one patch,wherein the at least one patch is defined by the polar function: ρd(φ)=(1acosm14φn2+1bsinm24φn3)-1n1wherein the above polar function pd((p) is multiplied by a scaling factor c1, and wherein m1=m2=2.25;a=b=1;n3=n2=3; andn1=1.48;wherein the slot within the at least one patch is defined by the polar function: ρd(φ)=(1acosm14φn2+1bsinm24φn3)-1n1wherein the above polar function ρd(φ) is multiplied by a scaling factor c2, and wherein m1=m2=2.36;a=b=1;n3=n2=2.83; andn1=1.43;and wherein c1 is larger than c2 and c2 is at least 1; and c1 is at least two times greater than c2. 19. A patch antenna, comprising: at least one electrically conductive patch,at least one electrically conductive ground plane,at least one feed connector which is insulated from the at least one ground plane and which is conductively connected to the at least one patch, andat least one dielectric spacer structure for separating the at least one patch and the at least one ground plane,wherein the at least one patch is defined by at least a part of at least one base profile which is substantially supershaped, wherein said supershaped base profile is defined by the polar function: ρd(φ)=(1acosm14φn2+1bsinm24φn3)-1n1wherein: ρd(φ) is a curve located in the XY-plane,φ∈[0, 2π) is the angular coordinate,m1≠0 and m2≠0, andwherein at least one of n1, n2, and n3 does not equal 2,wherein the at least one patch is configured to operate in a broad frequency range for which the emitted signal bandwidth exceeds the lesser of 500 MHz or 20% of the center frequency, and wherein the at least one patch is defined by the polar function: ρd(φ)=(1acosm14φn2+1bsinm24φn3)-1n1wherein: m1=m2=1;a=b=5.321;n3=n2=1.188; andn1=0.458.
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