EP3154124A1 - Zehn-frequenz-bandantenne - Google Patents

Zehn-frequenz-bandantenne Download PDF

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Publication number
EP3154124A1
EP3154124A1 EP16175514.5A EP16175514A EP3154124A1 EP 3154124 A1 EP3154124 A1 EP 3154124A1 EP 16175514 A EP16175514 A EP 16175514A EP 3154124 A1 EP3154124 A1 EP 3154124A1
Authority
EP
European Patent Office
Prior art keywords
frequency band
face
radiator
frequency
carrier
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.)
Granted
Application number
EP16175514.5A
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English (en)
French (fr)
Other versions
EP3154124B1 (de
Inventor
Ronan Quinlan
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.)
Taoglas Ltd Taiwan
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Taoglas Ltd Taiwan
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Publication date
Application filed by Taoglas Ltd Taiwan filed Critical Taoglas Ltd Taiwan
Priority to EP18185525.5A priority Critical patent/EP3444896A1/de
Publication of EP3154124A1 publication Critical patent/EP3154124A1/de
Application granted granted Critical
Publication of EP3154124B1 publication Critical patent/EP3154124B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/36—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
    • H01Q1/38—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith formed by a conductive layer on an insulating support
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/48—Earthing means; Earth screens; Counterpoises
    • 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
    • H01Q5/378—Combination of fed elements with parasitic elements

Definitions

  • the present invention relates to an antenna, especially to a ten-frequency band antenna for enhancing the frequency response of the low-frequency segment and bandwidth of the high-frequency segment.
  • the current commercially available planar inverted-F antenna is generally formed by printing metal material (such as copper) on printed circuit board (PCB) with two-dimensional printing technology. Alternatively, metal membrane is pressed into three-dimensional multi frequency band antenna.
  • the multi frequency bands signal transmission/reception can be achieved by changing the two-dimensional radiation patterns or the geometric shape of the three-dimensional radiation bodies.
  • the antenna formed on PCB or formed by pressing metal membrane into radiation body need a specific volume to ensure signal transmission/reception quality and prevent signal tuning problem caused by environment.
  • the electronic device needs an internal space for arranging the PIFA structure, this causes impact on light weight and compact requirement of the electronic devices.
  • the radiation body of the antenna can be fabricated on a rectangular ceramic carrier.
  • the carrier 101 of the antenna 10 has a high-frequency radiator 102 and a low-frequency radiator 103 on the surface thereof and the carrier 101 is fixed on the PCB 20.
  • the PCB 20 has a ground metal plane 201, a signal feeding micro strip 202 and a ground wire 203 on two faces thereof, where the signal feeding micro strip 202 connects with the ground wire 203 and the radiator of the carrier 101.
  • the high-frequency radiator 102 is arranged on the right side of the carrier 101 and the low-frequency radiator 103 is arranged on the left side of the carrier 101.
  • the antenna 10 is electrically connected to the PCB 20 and the area of the ground metal plane 201 corresponding to the low-frequency radiator 103 is smaller than the area of the ground metal plane 201 corresponding to the high-frequency radiator 102. Therefore, the low-frequency radiator 103 suffers more to the ground shielding and the frequency response (see label A in Fig. 2 ) is not satisfactory. Moreover, the bandwidth of the high-frequency radiator 102 is not wide enough (only covering 6 bands as shown by label B in Fig. 2 ). As a result, the signal transmission/reception quality is poor and signal transmission/reception bandwidth is limited.
  • the low-frequency segment is corresponding to a smaller area portion of the ground metal face on the PCB when the antenna carrier is fixed to the PCB. Therefore, the low-frequency segment is at a free space to enhance frequency response for the low-frequency segment and the bandwidth for the high-frequency segment.
  • the blind holes and the ribs can reduce the overall weight of the carrier 1 and prevent warp of the carrier.
  • the area ratio of the blind holes and the volume ratio of the blind holes can be used to adjust the effective dielectric constant of the carrier, thus adjusting resonant frequency and the bandwidth.
  • the present invention provides a ten-frequency band antenna, comprising: a carrier being a ceramic rectangular body and comprising a front face, a top face, a back face and a bottom face, the carrier having a plurality of blind holes defined on the front face and concave into the carrier, and at least one rib between two adjacent blind holes; a high-frequency segment comprising an inverse- ⁇ shaped radiator, a straight shape radiator, a winding radiator and an L-shaped radiator, wherein the high-frequency segment is arranged on left portions of the front face, the top face, the back face and the bottom face of the carrier if viewing at the front face of the carrier; a low-frequency segment comprising a first rectangular radiator, a second rectangular radiator, a third rectangular radiator and a fourth rectangular radiator, wherein the low-frequency segment is arranged on right portions of the front face, the top face, the back face and the bottom face of the carrier if viewing at the front face of the carrier; a printed circuit board (PCB) having a top side, a left
  • an area ratio of the blind holes on the front face and a volume ratio of the blind holes with respect to the carrier is adjustable to adjust an effective dielectric constant of the carrier, thus adjusting resonant frequency and the bandwidth.
  • the area ratio of the blind holes on the front face is 30%-50%.
  • the area ratio of the blind holes on the front face is 40%.
  • the volume ratio of the blind holes with respect to the carrier is 20%-30%.
  • the volume ratio of the blind holes with respect to the carrier is 24%.
  • the inverse- ⁇ shaped radiator has a first straightline portion, a second straightline portion and an L shaped portion, the first straightline portion is arranged on edges of the front face, the top face, the back face and the bottom face of the carrier, a portion of the first straightline portion on the bottom is used as fixed point for PCB.
  • the straight shape radiator electrically connects to one side of the second straightline portion, the straight shape radiator is arranged on edges of the front face and the bottom face of the carrier, one end of the straight shape radiator is adjacent to the winding radiator for coupling and a portion of the straight shape radiator arranged on the bottom face is used as signal feeding point.
  • one end of the winding radiator electrically connects with one end of the second straightline portion and another end of the winding radiator electrically connects with low-frequency segment such that a short side of the L-shaped radiator of the inverse- ⁇ shaped radiator is coupling to the winding radiator.
  • pitches of the winding radiator are around 0.15 mm ⁇ 0.3 mm to provide LC resonance with 2400MHZ ⁇ 2700MHZ resonant frequency.
  • the L-shaped radiator is arranged on the front face and bottom face of the carrier, the short side of the L-shaped radiator is parallel to the straight shape radiator, a long side of the of the L-shaped radiator is vertical to the straight shape radiator and parallel to the winding radiator, the long side of the of the L-shaped radiator provides ground point.
  • the high-frequency segment provides a fourth frequency band, a fifth frequency band, a sixth frequency band, a seventh frequency band, an eighth frequency band, a ninth frequency band and a tenth frequency band, and the fourth frequency band, the fifth frequency band, the sixth frequency band, the seventh frequency band, the eighth frequency band, the ninth frequency band and the tenth frequency band are within 1710MHZ ⁇ 6000MHZ.
  • the high-frequency segment provides a first frequency band, a second frequency band, and a third frequency band, and the first frequency band, the second frequency band, and the third frequency band are within700MHZ ⁇ 960MHZ.
  • the second face has a second ground metal face, the through hole is opened to the second ground metal face and electrically connects with a signal feeding end of a coaxial cable, the second ground metal face electrically connects with a ground end of the coaxial cable.
  • Fig. 3 shows the front perspective view of the carrier of the ten-frequency band antenna according to the present invention
  • Fig. 4 shows the top perspective view of the carrier of the ten-frequency band antenna according to the present invention
  • Fig. 5 shows the back perspective view of the carrier of the ten-frequency band antenna according to the present invention
  • Fig. 6 shows the back perspective viewof the carrier of the ten-frequency band antenna according to the present invention
  • Fig. 7 shows expanded view of the metal radiators of the carrier of the ten-frequency band antenna according to the present invention.
  • the ten-frequency band antenna according to the present invention comprises a carrier 1, a high-frequency segment 2, and a low-frequency segment 3.
  • the carrier 1 is a ceramic rectagular body with a front face 11, a top face 12, a back face 13 and a bottom face 14.
  • the front face 11 has a plurality of blind holes 15 defined thereon and each two blind holes have a rib 16 therebetween.
  • the blind holes 15 and the ribs 16 can reduce the overall weight of the carrier 1 and prevent warp of the carrier 1.
  • the area ratio of the blind holes 15 on the front face 11 and the volume ratio of the blind holes 15 with respect to the carrier 1 can be used to adjust the effective dielectric constant of the carrier 1, thus adjusting resonant frequency and the bandwidth.
  • the area ratio of the blind holes 15 on the front face 11 is around 30%-50%, and more particularly can be 40%.
  • the volume ratio of the blind holes 15 with respect to the carrier 1 is 20%-30% and more particularly can be 24%.
  • the shape and the symmetric degree of the blind holes 15 can also be adjusted.
  • the high-frequency segment 2 When viewing from the frond face 11 of the carrier 1, the high-frequency segment 2 is arranged on the left side of the carrier 1 and has an inverse- ⁇ shaped radiator 21, a straight shape radiator 22, a winding radiator 23 and an L-shaped radiator 24.
  • the inverse- ⁇ shaped radiator 21 has a first straightline portion 211, a second straightline portion 212 and an L shaped portion 213.
  • the first straightline portion 211 is arranged on edges of the front face 11, the top face 12, the back face 13 and the bottom face 14.
  • the portion of the first straightline portion 211 on the botton face 14, namely the bottom first straightline portion 211a is used as fixed point for PCB (not shown).
  • the second straightline portion 212 of the inverse- ⁇ shaped radiator 21 connects with the straight shape radiator 22 at one edge thereof.
  • the straight shape radiators 22 are arranged on the front face 11 and the bottom face 14, respectively.
  • One end of the straight shape radiator 22 is adjacent to the winding radiator 23 such that the coupling therebeween provides 4900MHZ ⁇ 6000MHZ bandwidth.
  • the straight shape radiator 22 arranged on the bottom face 14 is used as signal feeding point.
  • One end of the winding radiator 23 electrically connects with one end of the second straightline portion 212 and another end of the winding radiator 23 electrically connects with low-frequency segment 3.
  • the short side 213a of the L shaped portion 213 and the winding radiator 23 have coupling therebetween to provide 3500MHZ bandwidth.
  • the pitches of the winding radiator 23 are aronud 0.15 mm ⁇ 0.3 mm to provide LC resonance with 2400MHZ ⁇ 2700MHZ resonant frequency.
  • the L-shaped radiator 24 is arranged on the front face 11 and the bottom face 14.
  • the short side 241 of the L-shaped radiator 24 is parallel to the straight shape radiator 22
  • the long side 242 of the L-shaped radiator 24 is vertical to the straight shape radiator 22 and parallel to the winding radiator 23.
  • the longer side 242 of the L-shaped radiator 24 is used as ground end.
  • high-frequency segment 2 provides the fourth frequency band, the fifth frequency band, the sixth frequency band, the seventh frequency band, the eighth frequency band, the ninth frequency band and the tenth frequency band.
  • the frequency range of the fourth frequency band, the fifth frequency band, the sixth frequency band, the seventh frequency band, the eighth frequency band, the ninth frequency band and the tenth frequency band is between 1710MHZ and 6000MHZ, and can be used in GSM, WCDMA, WIFI, LTE, WIMAX and 802.11ac communication system.
  • the low-frequency segment 3 When viewing from the front face 11 of the carrier 1, the low-frequency segment 3 is arranged on the right side of the carrier 1 and has a first rectangular radiation body 31, a second rectangular radiation body 32, a third rectangular radiation body 33 and a fourth rectangular radiation body 34, where each of the rectangular radiation bodies has different area and is respectively arranged on the front face 11, the top face 12, the back face 13 and the bottom face 14 of the carrier 1.
  • the third rectangular radiation body 33 provides fixing points with the printed circuit board.
  • the low-frequency segment 3 provides the first frequency band, the second frequency band, and the third frequency band.
  • the frequency range of the first frequency band, the second frequency band, and the third frequency band is between 700MHZ and 960MHZ, and can be used in LTE and GMS communication system.
  • Figs. 8 to 10 show the exploded view, the backside view and the electric connection of the ten-frequency band antenna and the PCB.
  • the ten-frequency band antenna further comprises a PCB 4 fixed to the carrier 1 and the PCB has a top side 4a, a left slanting side 4b, a bottom slanting side 4c, a right short side 4d, a recessed side 4e and a right long side 4f.
  • the PCB 4 has a first face 41 and a second face 42.
  • the first face 41 has a first ground metal face 43 and a micro strip 44.
  • the micro strip 44 has a front section 441 and a rear section 442.
  • the front section 441 has a through hole 443 and extends into the first ground metal face 43 such that a gap 45 is defined between the front section 441 and the first ground metal face 43. Moreover, the area portion 431 of the first ground metal face 43, which is from the left slanting side 4b to the gap 45, is larger than the area portion 432 of the first ground metal face 43, which is from the recessed side 4e to the gap 45.
  • a ground line 46 is extended on the area portion 432 of the first ground metal face 43, which is from the recessed side 4e to the gap 45.
  • the ground line 46 is parallel to the rear section 442 of the micro strip 44.
  • a separation 47 is defined between the ground line 46 and the rear section 442 of the micro strip 44.
  • An inductor 5 is connected between the ground line 46 and the rear section 442 of the micro strip 44 and cross the separation 47 to adjust impedance and provide ground for the antenna, thus forming a PIFA dipole antenna.
  • the opened area of the first face 41 has two corresponding fixed ends 48 for fixed connection with the first straightline portion 211a and the third rectangular radiation body 33.
  • the second face 42 further has a second ground metal face 43', where the through hole 443 is opened to the second ground metal face 43' and electrically connects with a signal feeding end (not shown) of a coaxial cable.
  • the second ground metal face 43' electrically connects with the ground end of the coaxial cable.
  • the two fixed ends 48 are fixed to the first straightline portion 211a and the third rectangular radiation body 33 respectively.
  • the straight shape radiator 22 on the bottom face 14 electrically connects the micro strip 44.
  • the long side 242 of the L-shaped radiator 24 electrically connects with the ground line 46.
  • Fig. 11 shows the reflection loss curve of the ten-frequency band antenna of the prsent invention.
  • the low-frequency segment 3 is arranged on the opened area and corresponding to the recessed side 4e of the PCB 4 and the smaller area portion 432 of the first ground metal face 43 such that the low-frequency segment 3 is at a free space with less shielding.
  • the ten-frequency band antenna of the prsent invention has better frequency response for the low-frequency segment 3 and higher bandwidth for the high-frequency segment 2.
  • the low-frequency segment 3 provides the first frequency band, the second frequency band, and the third frequency band.
  • the frequency range of the first frequency band, the second frequency band, and the third frequency band is between 700MHZ and 960MHZ, as indicated by mark C in Fig. 11 .
  • the high-frequency segment 2 provides the fourth frequency band, the fifth frequency band, and the sixth frequency band with frequency range between 1710MHZ and 2710MHZ, as indicated by mark D in Fig. 11 .
  • the high-frequency segment 2 provides the seventh frequency band with frequency range 2400MHZ ⁇ 2500MHZ and the eighth frequency band with frequency range2600MHZ ⁇ 2700MHZ, as indicated by mark D in Fig. 11 .
  • the high-frequency segment 2 provides the ninth frequency band with frequency range 3500MHZ ⁇ 3700MHZ, as indicated by mark E in Fig. 11 .
  • the high-frequency segment 2 provides the tenth frequency band with frequency range 4900MHZ ⁇ 6000MHZ, as indicated by mark F in Fig. 11 .

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  • Details Of Aerials (AREA)
  • Waveguide Aerials (AREA)
EP16175514.5A 2015-10-06 2016-06-21 Zehn-frequenz-bandantenne Active EP3154124B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP18185525.5A EP3444896A1 (de) 2015-10-06 2016-06-21 Bandantenne mit zehn frequenzen

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
TW104132758A TWI553963B (zh) 2015-10-06 2015-10-06 十頻段天線

Related Child Applications (1)

Application Number Title Priority Date Filing Date
EP18185525.5A Division EP3444896A1 (de) 2015-10-06 2016-06-21 Bandantenne mit zehn frequenzen

Publications (2)

Publication Number Publication Date
EP3154124A1 true EP3154124A1 (de) 2017-04-12
EP3154124B1 EP3154124B1 (de) 2018-08-01

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EP16175514.5A Active EP3154124B1 (de) 2015-10-06 2016-06-21 Zehn-frequenz-bandantenne
EP18185525.5A Withdrawn EP3444896A1 (de) 2015-10-06 2016-06-21 Bandantenne mit zehn frequenzen

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Application Number Title Priority Date Filing Date
EP18185525.5A Withdrawn EP3444896A1 (de) 2015-10-06 2016-06-21 Bandantenne mit zehn frequenzen

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EP (2) EP3154124B1 (de)
TW (1) TWI553963B (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10483644B2 (en) 2015-11-20 2019-11-19 Taoglas Group Holdings Limited Eight-frequency band antenna
US10601135B2 (en) 2015-11-20 2020-03-24 Taoglas Group Holdings Limited Ten-frequency band antenna

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10283854B2 (en) 2012-10-08 2019-05-07 Taoglas Group Holdings Limited Low-cost ultra wideband LTE antenna

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014058926A1 (en) * 2012-10-08 2014-04-17 Zuniga Eleazar Low cost ultra-wideband lte antenna
US8779988B2 (en) * 2011-01-18 2014-07-15 Cirocomm Technology Corp. Surface mount device multiple-band antenna module

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6380895B1 (en) * 1997-07-09 2002-04-30 Allgon Ab Trap microstrip PIFA
DE10148370A1 (de) * 2001-09-29 2003-04-10 Philips Corp Intellectual Pty Miniaturisierte Richtantenne
JP3739740B2 (ja) * 2002-11-28 2006-01-25 京セラ株式会社 表面実装型アンテナおよびアンテナ装置
TWI245451B (en) * 2005-02-18 2005-12-11 Advanced Connectek Inc A planar inverted-f antenna

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8779988B2 (en) * 2011-01-18 2014-07-15 Cirocomm Technology Corp. Surface mount device multiple-band antenna module
WO2014058926A1 (en) * 2012-10-08 2014-04-17 Zuniga Eleazar Low cost ultra-wideband lte antenna

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10483644B2 (en) 2015-11-20 2019-11-19 Taoglas Group Holdings Limited Eight-frequency band antenna
US10601135B2 (en) 2015-11-20 2020-03-24 Taoglas Group Holdings Limited Ten-frequency band antenna
US11264718B2 (en) 2015-11-20 2022-03-01 Taoglas Group Holdings Limited Eight-frequency band antenna
USRE49000E1 (en) 2015-11-20 2022-03-29 Taoglas Group Holdings Limited Ten-frequency band antenna
US11342674B2 (en) 2015-11-20 2022-05-24 Taoglas Group Holdings Limited Ten-frequency band antenna
US11641060B2 (en) 2015-11-20 2023-05-02 Taoglas Group Holdings Limited Multi-frequency band antenna

Also Published As

Publication number Publication date
EP3154124B1 (de) 2018-08-01
TWI553963B (zh) 2016-10-11
TW201714353A (zh) 2017-04-16
EP3444896A1 (de) 2019-02-20

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