WO2020054681A1 - アンテナおよび通信装置 - Google Patents

アンテナおよび通信装置 Download PDF

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Publication number
WO2020054681A1
WO2020054681A1 PCT/JP2019/035430 JP2019035430W WO2020054681A1 WO 2020054681 A1 WO2020054681 A1 WO 2020054681A1 JP 2019035430 W JP2019035430 W JP 2019035430W WO 2020054681 A1 WO2020054681 A1 WO 2020054681A1
Authority
WO
WIPO (PCT)
Prior art keywords
split
ring conductor
conductor
ring
present disclosure
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.)
Ceased
Application number
PCT/JP2019/035430
Other languages
English (en)
French (fr)
Japanese (ja)
Inventor
達也 相馬
圭史 小坂
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NEC Corp
Original Assignee
NEC Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by NEC Corp filed Critical NEC Corp
Priority to EP19859575.3A priority Critical patent/EP3826110A4/en
Priority to JP2020546016A priority patent/JP7314158B2/ja
Priority to US17/271,435 priority patent/US11476580B2/en
Priority to KR1020217005835A priority patent/KR20210030471A/ko
Priority to CN201980055896.4A priority patent/CN112602236A/zh
Publication of WO2020054681A1 publication Critical patent/WO2020054681A1/ja
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q7/00—Loop antennas with a substantially uniform current distribution around the loop and having a directional radiation pattern in a plane perpendicular to the plane of the loop
    • 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
    • H01Q9/0464—Annular ring patch
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/44—Details of, or arrangements associated with, antennas using equipment having another main function to serve additionally as an antenna, e.g. means for giving an antenna an aesthetic aspect
    • H01Q1/46—Electric supply lines or communication lines
    • 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
    • H01Q5/342—Individual or coupled radiating elements, each element being fed in an unspecified way for different propagation modes
    • H01Q5/35—Individual or coupled radiating elements, each element being fed in an unspecified way for different propagation modes using two or more simultaneously fed 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
    • H01Q5/342—Individual or coupled radiating elements, each element being fed in an unspecified way for different propagation modes
    • H01Q5/357—Individual or coupled radiating elements, each element being fed in an unspecified way for different propagation modes using a single feed point
    • H01Q5/364—Creating multiple current paths
    • 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
    • H01Q5/342—Individual or coupled radiating elements, each element being fed in an unspecified way for different propagation modes
    • H01Q5/357—Individual or coupled radiating elements, each element being fed in an unspecified way for different propagation modes using a single feed point
    • H01Q5/364—Creating multiple current paths
    • H01Q5/371—Branching current paths

Definitions

  • the present invention relates to an antenna and a communication device.
  • Patent Literature 1 discloses a wireless communication device including a split ring resonator.
  • Patent Document 1 has a single resonance frequency of the split ring resonator. For this reason, the antenna in Patent Document 1 has a problem of "how to make the resonance frequency multiband or wideband while maintaining the advantages (small size and low manufacturing cost) of the split ring resonator". There is.
  • the antenna according to an aspect of the present disclosure may include, for example, a split ring conductor, and an in-ring conductor, wherein the split ring conductor is outside a certain region and has a contour in the region. Along the portion, other than the split, it may be present, the in-ring conductor portion may be present in the region, and one of the portions of the split ring conductor portion sandwiching the split. It may be continuous or at least partly bent along the split ring conductor.
  • the communication device may include, for example, the antenna according to an aspect of the present disclosure.
  • an antenna and a communication including the antenna in which the resonance frequency is multibanded or widened while maintaining the advantages (small size and low manufacturing cost) of the split ring resonator.
  • Equipment can be provided.
  • Example of an antenna according to an aspect of the present disclosure Example of an antenna according to an aspect of the present disclosure Example of an antenna according to an aspect of the present disclosure Example of an antenna according to an aspect of the present disclosure Example of an antenna according to an aspect of the present disclosure Example of an antenna according to an aspect of the present disclosure Example of an antenna according to an aspect of the present disclosure Example of an antenna according to an aspect of the present disclosure Example of an antenna according to an aspect of the present disclosure Example of an antenna according to an aspect of the present disclosure Example of an antenna according to an aspect of the present disclosure Example of an antenna according to an aspect of the present disclosure Example of antenna according to an aspect of the present disclosure Example of antenna characteristics according to an aspect of the present disclosure Example of an antenna according to an aspect of the present disclosure Example of an antenna according to an aspect of the present disclosure Example of an antenna according to an aspect of the present disclosure Example of an antenna according to an aspect of the present disclosure Example of an antenna according to an aspect of the present disclosure Example of an antenna according to an aspect of the present disclosure Example of an antenna according to an aspect of the present disclosure Example of an
  • an antenna according to an embodiment of the present disclosure may include a split ring conductor 101 and an in-ring conductor 102 as shown in FIGS. Outside and along the contour of the region 103, in a portion other than the split 104, the in-ring conductor portion 102 may be present in the region 103, and the split ring conductor The portion 101 may be continuous with one of the portions sandwiching the split 104, or at least a part thereof may be bent along the split ring conductor portion 101.
  • the region 103 may be surrounded by the split ring conductor 101 and the split 104.
  • the region 103 may have any shape, such as a polygonal shape such as a square or a rectangle, or a shape such as a circle or an ellipse.
  • the split ring conductor 101 may be formed of a sheet metal.
  • the split ring conductor portion 101 may have any shape, such as a shape based on a substantially C-shaped shape along a square ring, a circular ring, an elliptical ring, a track ring, and other shapes along various rings. A shape based on this may be used.
  • an auxiliary conductor 1011 may be provided in a portion of the split ring conductor portion 101 that sandwiches the split 104. The auxiliary conductor 1011 may be provided on the same layer as the split ring conductor portion 101, or may be provided on a different layer.
  • the split 104 may not be filled with anything, or may be filled with resin or the like.
  • the split 104 may have any shape, such as a straight line, a curve, a broken line, and the like.
  • the split 104 may have a meandering shape.
  • the term meander shape is intended to include concepts referred to as words such as a serpentine shape, a comb shape, and a shape based on an interdigital structure.
  • the meander shape is formed by a combination of straight lines, curved lines, broken lines, and the like.
  • the in-ring conductor portion 102 may be formed of sheet metal.
  • the in-ring conductor 102 may be provided on the same layer as the split ring conductor 101.
  • the portion of the split ring conductor portion 101 other than the portion along the in-ring conductor portion 102 may be provided in a layer different from the layer in which the in-ring conductor portion 102 exists.
  • the in-ring conductor portion 102 and the split ring conductor portion 101 may be formed by cutting out a single conductor plate with a laser or the like.
  • An antenna according to an aspect of the present disclosure can be considered to include, for example, two resonance circuits.
  • the first resonance circuit can be considered to be composed of, for example, a capacitance generated in the split 104 and an inductance generated in the split ring conductor portion 101 when an RF (Radio Frequency) signal is supplied. It can be considered that the first resonance circuit generates the first resonance frequency.
  • the second resonance circuit includes, for example, a capacitance generated in the split 104, an inductance generated in the in-ring conductor portion 102, a split ring conductor portion 101, and a split in the in-ring conductor portion 102 when an RF signal is supplied.
  • the second resonance circuit can be regarded as being composed of a capacitance generated between the portion along the ring conductor portion 101 and an inductance generated in a portion other than the portion along the in-ring conductor portion 102 in the split ring conductor portion 101.
  • the second resonance circuit generates a second resonance frequency.
  • the resonance frequency of the first resonance circuit and the resonance frequency of the second resonance circuit are different from each other. If the resonance frequency of the first resonance circuit is far from the resonance frequency of the second resonance circuit, a multi-band antenna is obtained. If the resonance frequency of the first resonance circuit and the resonance frequency of the second resonance circuit are close to each other, a wideband antenna is obtained.
  • the resonance frequency of the second resonance circuit when the resonance frequency of the second resonance circuit is higher than the resonance frequency of the first resonance circuit, the resonance frequency of the second resonance circuit is adjusted to be lower, so that the first resonance circuit is adjusted. And the resonance frequency of the second resonance circuit may be made close to each other.
  • the length of the in-ring conductor portion 102 may be increased, or the split ring conductor portion 101 and the split ring conductor portion 101 in the in-ring conductor portion 102 may be adjusted.
  • a chip capacitor may be provided between a portion along the split ring conductor 101 and a portion of the split ring conductor 101 along the split ring conductor 101 in the ring inner conductor 102, or the split ring conductor 101 may be provided.
  • a region between the ring-shaped conductor portion 102 and the portion along the split ring conductor portion 101 may be formed in a meandering shape.
  • the bandwidth in which the return loss is equal to or smaller than the threshold a may be wider than the case where the resonance frequency is single.
  • the threshold value a is, for example, ⁇ 10 dB, but is not limited thereto. It is sufficient that the antenna operates sufficiently when the return loss is equal to or smaller than the threshold value a.
  • the antenna according to an embodiment of the present disclosure may be formed as, for example, a component that is later mounted on the substrate 2 or the like.
  • the antenna according to an aspect of the present disclosure may be formed directly on the substrate 2, for example.
  • the antenna according to an aspect of the present disclosure may protrude from the substrate 2, for example.
  • the antenna according to an aspect of the present disclosure may be arranged, for example, substantially perpendicular to the substrate 2.
  • the antenna according to an embodiment of the present disclosure is configured such that the width between the split ring conductor 101 and a portion of the in-ring conductor 102 along the split ring conductor 101 is split.
  • the width between the ring conductor portion 101 and a portion other than the portion along the split ring conductor portion 101 in the in-ring conductor portion 102 may be narrower.
  • the antenna according to an embodiment of the present disclosure includes a split ring conductor 101 and a portion of the in-ring conductor 102 along the split ring conductor 101, the capacitance of which contributes to resonance. May be close to each other.
  • a capacitance generated between the split ring conductor 101 and a portion of the in-ring conductor 102 along the split ring conductor 101 causes , A second resonance circuit is formed.
  • the antenna according to an embodiment of the present disclosure for example, the antenna 1A or a modified example thereof
  • power is supplied to the in-ring conductor 102 by connecting the power supply line 105, or Wireless power supply may be provided.
  • the power supply line 105 may be connected to any portion of the in-ring conductor portion 102, and adjusting the connection portion may match the impedance between the RF circuit and the antenna according to an embodiment of the present disclosure. it can.
  • the power supply line 105 may be provided in a layer different from the layer in which the in-ring conductor 102 exists, and may be connected to the in-ring conductor 102 via the via 3.
  • the power supply line 105 may be provided in the same layer as the layer in which the in-ring conductor portion 102 is present, may be extended in the region 103, and may be further provided in a clearance provided in the split ring conductor portion 101 or the substrate. It may be stretched along.
  • the power supply line 105 may be formed of an electric wire such as a transmission line, or may be formed of a sheet metal.
  • the in-ring conductor portion 102 and the sheet metal portion of the power supply line 105 may be formed by cutting out a single conductor plate with a laser or the like.
  • Wireless power supply to the in-ring conductor 102 may be realized by, for example, an EM (Electro-Magnetic) coupling unit 106 to which the power supply line 105 is connected.
  • the EM coupling section 106 may be EM coupled to any part of the in-ring conductor section 102.
  • the impedance of the RF circuit and the antenna according to an embodiment of the present disclosure are matched. can do.
  • the EM coupling section 106 may be provided on a layer different from the layer on which the in-ring conductor section 102 exists.
  • the EM coupling section 106 may be provided on the same layer as the layer on which the in-ring conductor section 102 exists, and the power supply line 105 connected to the EM coupling section 106 may extend in the region 103. Alternatively, it may be extended along a split ring conductor 101 or a clearance provided on the substrate.
  • the EM coupling unit 106 may be formed of a sheet metal.
  • the in-ring conductor portion 102 and the EM coupling portion 106 may be formed by cutting out a single conductor plate with a laser or the like.
  • the EM coupling portion 106 and the sheet metal portion of the power supply line 105 may be formed by cutting out a single conductive plate with a laser or the like.
  • power is directly supplied to the second resonance circuit, and power is supplied to the first resonance circuit via the in-ring conductor portion 102. Therefore, according to an aspect of the present disclosure, for example, power is supplied to the split ring conductor 101, not to the in-ring conductor 102, by connection of a power supply line, or to wireless power supply. And good antenna characteristics can be obtained.
  • power is further supplied to the split ring conductor 101 by connecting the power supply line 107.
  • wireless power supply may be provided.
  • the power supply line 107 may be connected to any part of the split ring conductor 101, and by adjusting the connection point, it is possible to match the impedance between the RF circuit and the antenna according to an embodiment of the present disclosure. it can.
  • the power supply line 107 may be provided in a layer different from the layer in which the split ring conductor 101 exists, and may be connected to the split ring conductor 101 via the via 3.
  • the power supply line 107 may be provided in the same layer as the layer in which the split ring conductor 101 is present, may extend in the region 103, and may further extend to the clearance provided in the split ring conductor 101 or the substrate. It may be stretched along.
  • the power supply line 107 may be formed of an electric wire such as a transmission line, or may be formed of a sheet metal.
  • the split ring conductor portion 101 and the sheet metal portion of the power supply line 107 may be formed by cutting out a single conductor plate with a laser or the like.
  • the wireless power supply to the split ring conductor 101 may be realized by, for example, an EM (Electro-Magnetic) coupling unit 108 to which the power supply line 107 is connected.
  • the EM coupling unit 108 may be EM coupled to any part of the split ring conductor 101, and by adjusting the EM coupling position, the impedance of the RF circuit and the antenna according to an embodiment of the present disclosure are matched. can do.
  • the EM coupling section 108 may be provided on a layer different from the layer on which the split ring conductor section 101 exists.
  • the EM coupling section 108 may be provided on the same layer as the layer on which the split ring conductor section 101 exists, and the power supply line 107 connected to the EM coupling section 108 may extend in the region 103. Alternatively, it may be extended along a split ring conductor 101 or a clearance provided on the substrate.
  • the EM coupling unit 108 may be formed of a sheet metal.
  • the split ring conductor portion 101 and the EM coupling portion 108 may be formed by cutting out a single conductor plate with a laser or the like.
  • the EM coupling portion 108 and the sheet metal portion of the power supply line 107 may be formed by cutting out one conductor plate using a laser or the like.
  • power is also directly supplied to the first resonance circuit. Therefore, according to an aspect of the present disclosure, for example, finer tuning is possible.
  • the region 103 may be substantially rectangular as shown in FIGS. May be present near the corner (apex) of the region 103, and the in-ring conductor portion 102 may be located between the first bend and the end when viewed from a position continuous with the split ring conductor portion 101.
  • the portion may be bent once so as to be along the split ring conductor portion 101.
  • the antennas 1A, 1B, and 1C and the modified examples thereof as shown in FIGS.
  • the width between the portion between the second bend, the end, and the split ring conductor portion 101 as viewed from the portion that is continuous with the gap between the two bends in the in-ring conductor portion 102 May be narrower than the width between the portion and the split ring conductor portion 101.
  • an antenna according to an embodiment of the present disclosure may further include an in-ring conductor portion 109 as shown in FIGS.
  • the in-ring conductor portion 102 may be present in the region 110 and a portion along the contour of the region 110 other than the split 111, and the in-ring conductor portion 109 may be present in the region 110. It may be continuous with one of the portions sandwiching the split 111 in the in-ring conductor portion 102, or at least a portion thereof may be bent along the in-ring conductor portion 102.
  • the region 110 may be surrounded by the in-ring conductor 102 and the split 111.
  • the region 110 may have any shape, such as a polygonal shape such as a square or a rectangle, or a shape such as a circle or an ellipse.
  • the split 111 may not be filled with anything, or may be filled with resin or the like.
  • the split 111 may have any shape, such as a straight line, a curve, a broken line, and the like.
  • the split 111 may have a meandering shape.
  • the in-ring conductor 109 may be formed of sheet metal.
  • the in-ring conductor 109 may be provided on the same layer as the in-ring conductor 102.
  • portions other than the portion along the in-ring conductor portion 109 in the in-ring conductor portion 102 may be provided in a layer different from the layer in which the in-ring conductor portion 109 exists.
  • the in-ring conductor portion 109 and the in-ring conductor portion 102 may be formed by cutting out a single conductor plate with a laser or the like.
  • power supply by connection of a power supply line or wireless power supply may be applied to the in-ring conductor portion 109.
  • the above-described antenna according to an embodiment of the present disclosure can be considered to further include, for example, a third resonance circuit.
  • the third resonance circuit includes, for example, a capacitance generated in the split 111, an inductance generated in the ring inner conductor 109, a ring inner conductor 102, and a ring formed in the ring inner conductor 109 when an RF signal is supplied. It can be considered that the capacitance is formed between a portion along the inner conductor portion 102 and an inductance generated in a portion other than the portion along the ring conductor portion 109 in the ring conductor portion 102.
  • an antenna can be provided in which the resonance frequency is multibanded or widened while maintaining the advantages (small size and low manufacturing cost) of the split ring resonator. .
  • the resonance frequency can be further multibanded or widened.
  • the communication device may include an antenna (for example, the antennas 1A, 1B, 1C, 1D, and 1E, and modifications thereof) according to an embodiment of the present disclosure.
  • an antenna for example, the antennas 1A, 1B, 1C, 1D, and 1E, and modifications thereof
  • a small and high-performance communication device can be provided.

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  • Details Of Aerials (AREA)
PCT/JP2019/035430 2018-09-12 2019-09-10 アンテナおよび通信装置 Ceased WO2020054681A1 (ja)

Priority Applications (5)

Application Number Priority Date Filing Date Title
EP19859575.3A EP3826110A4 (en) 2018-09-12 2019-09-10 ANTENNA AND COMMUNICATION DEVICE
JP2020546016A JP7314158B2 (ja) 2018-09-12 2019-09-10 アンテナおよび通信装置
US17/271,435 US11476580B2 (en) 2018-09-12 2019-09-10 Antenna and communication device
KR1020217005835A KR20210030471A (ko) 2018-09-12 2019-09-10 안테나 및 통신장치
CN201980055896.4A CN112602236A (zh) 2018-09-12 2019-09-10 天线和通信装置

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2018-170131 2018-09-12
JP2018170131 2018-09-12

Publications (1)

Publication Number Publication Date
WO2020054681A1 true WO2020054681A1 (ja) 2020-03-19

Family

ID=69778102

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2019/035430 Ceased WO2020054681A1 (ja) 2018-09-12 2019-09-10 アンテナおよび通信装置

Country Status (6)

Country Link
US (1) US11476580B2 (https=)
EP (1) EP3826110A4 (https=)
JP (1) JP7314158B2 (https=)
KR (1) KR20210030471A (https=)
CN (1) CN112602236A (https=)
WO (1) WO2020054681A1 (https=)

Cited By (3)

* Cited by examiner, † Cited by third party
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EP4030559A1 (en) * 2021-01-14 2022-07-20 Japan Aviation Electronics Industry, Limited Antenna member and assembly
JP2023000570A (ja) * 2021-06-18 2023-01-04 Ｎｅｃプラットフォームズ株式会社 アンテナ装置及び無線機器
EP4307478A3 (en) * 2021-05-19 2024-03-27 Japan Aviation Electronics Industry, Limited Multiband antenna

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JP7475126B2 (ja) * 2019-10-29 2024-04-26 日本航空電子工業株式会社 アンテナ
EP4358304A4 (en) 2021-09-06 2024-10-23 Samsung Electronics Co., Ltd. WIRELESS POWER TRANSMISSION DEVICE, AND METHOD FOR DETECTING OBJECT NEAR WIRELESS POWER TRANSMISSION DEVICE

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See also references of EP3826110A4

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4030559A1 (en) * 2021-01-14 2022-07-20 Japan Aviation Electronics Industry, Limited Antenna member and assembly
JP2022108977A (ja) * 2021-01-14 2022-07-27 日本航空電子工業株式会社 アンテナ部材及び組立体
US11777217B2 (en) 2021-01-14 2023-10-03 Japan Aviation Electronics Industry, Limited Antenna member and assembly
TWI833135B (zh) * 2021-01-14 2024-02-21 日商日本航空電子工業股份有限公司 天線構件以及組件
JP7623140B2 (ja) 2021-01-14 2025-01-28 日本航空電子工業株式会社 アンテナ部材及び組立体
EP4307478A3 (en) * 2021-05-19 2024-03-27 Japan Aviation Electronics Industry, Limited Multiband antenna
JP2023000570A (ja) * 2021-06-18 2023-01-04 Ｎｅｃプラットフォームズ株式会社 アンテナ装置及び無線機器
JP7388743B2 (ja) 2021-06-18 2023-11-29 Ｎｅｃプラットフォームズ株式会社 アンテナ装置及び無線機器

Also Published As

Publication number Publication date
EP3826110A1 (en) 2021-05-26
US11476580B2 (en) 2022-10-18
EP3826110A4 (en) 2021-08-25
CN112602236A (zh) 2021-04-02
US20210194132A1 (en) 2021-06-24
JPWO2020054681A1 (ja) 2021-08-30
KR20210030471A (ko) 2021-03-17
JP7314158B2 (ja) 2023-07-25

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