WO2002043182A1 - Pifa-antennenvorrichtung für mobile kommunikationsendgeräte - Google Patents
Pifa-antennenvorrichtung für mobile kommunikationsendgeräte Download PDFInfo
- Publication number
- WO2002043182A1 WO2002043182A1 PCT/DE2001/004148 DE0104148W WO0243182A1 WO 2002043182 A1 WO2002043182 A1 WO 2002043182A1 DE 0104148 W DE0104148 W DE 0104148W WO 0243182 A1 WO0243182 A1 WO 0243182A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- antenna
- pifa
- area
- antenna device
- frequency
- Prior art date
Links
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
- H01Q9/0421—Substantially flat resonant element parallel to ground plane, e.g. patch antenna with a shorting wall or a shorting pin at one end of the element
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/12—Supports; Mounting means
- H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
- H01Q1/24—Supports; Mounting means by structural association with other equipment or articles with receiving set
- H01Q1/241—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM
- H01Q1/242—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM specially adapted for hand-held use
- H01Q1/243—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM specially adapted for hand-held use with built-in antennas
-
- 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
-
- 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 invention relates to a PIFA antenna device (Planar Inverted F-Antenna), with an RF input / output and two antenna areas, each of which has contact with a ground of a mobile communication terminal, the first antenna area for two independent frequencies and the second antenna area is designed for a third independent frequency.
- PIFA antenna device Plant Inverted F-Antenna
- the antenna should meet both technical and optical requirements. On the one hand, it should work for more than one frequency, on the other hand, it should be as small as possible, for example to allow integration into a mobile radio device that is invisible from the outside.
- a PIFA antenna Planar Inverted F-Antenna
- PIFA antenna Planar Inverted F-Antenna
- GSM Global System for Mobile Communication
- PCN PCN
- PCN Personal Communication Network
- a known embodiment for introducing a third frequency provides for the bandwidth of the PCN frequency band of a dual-band antenna to be increased by increasing the distance between the antenna and the printed circuit board (PCB board) of the mobile radio device.
- PCB board printed circuit board
- the GSM / PCN dual-band antenna can also be used for the PCS frequency band.
- the PIFA antenna requires approximately 50% more volume for operation on three frequency bands than a PIFA antenna which only operates on two frequency bands.
- Another embodiment of designing a PIFA antenna that operates on three frequency ranges provides for combining a dual-band PIFA antenna with an additional antenna.
- This additional antenna provides the third resonance frequency and the entire PIFA antenna device now has three frequencies.
- both the dual-band PIFA antenna and the additional antenna are connected to an RF input / output of the mobile radio device, with both antennas being controlled separately. This configuration also leads to a larger volume of the PIFA antenna device.
- the inventor proposes a PIFA antenna device with an RF input / output and two antenna areas, each of which has contact with a ground of a mobile communication terminal, the first antenna area for two independent frequencies and the second antenna area for a third independent Frequency trained is to be further developed in such a way that only the first antenna surface is connected to the RF input / output and the second antenna surface is arranged without contact with the first antenna surface in such a way that an electromagnetic coupling is created between the two antenna surfaces.
- This electromagnetic coupling eliminates the need to separately control the second antenna area.
- the first antenna area can operate as a dual-band antenna in the frequency bands for GSM and PCN operation and the second antenna area can provide the frequency for PCS operation.
- the second antenna surface is designed such that it forms a ⁇ / 4 resonator when it is connected to ground.
- the ⁇ / 4 resonator is excited by an electromagnetic coupling between the two antenna surfaces.
- the length and the width of the second antenna area can advantageously be matched to a desired third frequency.
- a nominal value of, for example, 50 ohms input impedance of the antenna device at the third frequency can be realized by selecting the size of the free area or the non-conductive medium between the two antenna areas.
- the antenna can be operated without a matching network or with a small number of matching elements, so that the losses occurring in matching circuits can be avoided.
- the antenna surfaces have kinks and bends. This can result in small spatial structures that are suitable for use at two as well as three frequencies and that can adapt to a housing of an existing mobile radio device.
- a first surface is provided which is largely enclosed by the first antenna surface and the second antenna surface is arranged within this surface. This configuration has the effect that the second antenna area can be accommodated in a recess in the interior of the first antenna area without requiring additional space.
- the two antenna surfaces can preferably be arranged in one plane (coplanar).
- the area delimited by the first antenna area can have a rectangular shape.
- This area is preferably adapted to the length and width of the second antenna area such that a contactless arrangement of this second antenna area as well as an electromagnetic coupling between the two antenna areas is made possible.
- the medium between the two contactlessly arranged antenna surfaces is preferably air or another non-conductive medium.
- the PIFA antenna device in an advantageous embodiment of the PIFA antenna device according to the invention, at least one second area or recess is provided, which is delimited by the antenna area. In this way, the third frequency of the PIFA antenna device according to the invention can be tuned independently.
- Figure 1 PIFA antenna device according to the invention
- Figure 2 calculated reflection coefficient Sn of the PIFA antenna device according to the invention.
- FIG. 1 shows a preferred exemplary embodiment of the PIFA antenna device A according to the invention.
- Antenna device A contains two antenna areas Pl and P2, the antenna area Pl largely delimiting or comprising a rectangular area FI.
- the antenna area Pl is open on one side.
- the area FI can also be viewed as a recess in the antenna area Pl and can also have a different shape.
- the antenna area Pl contains a contact Gl, which contacts a mass of the mobile radio device, an RF input / output S1, which connects the antenna area Pl to an RF input / output of the mobile radio device, and a further area or a recess F2.
- the antenna area Pl represents a dual-band antenna, for example for the frequency bands 900 MHz and 1800 MHz.
- a further antenna area P2 is arranged in the cutout F1 without additional space being required. It should be noted here that the antenna surfaces P1 and P2 do not touch each other.
- the antenna area P2 has no direct connection to the RF input / output S1, so that it represents a "parasitic element".
- the antenna area P2 carries a contact G2, which connects the antenna area P2 to the mass of the mobile radio device. If the antenna surface P2 is connected to the ground, it forms a ⁇ / 4 resonator, which only requires half the surface of a ⁇ / 2 resonator (without a ground connection).
- the third frequency band can be selected by the selected length and width of the antenna area P2.
- the antenna area P2 is excited via an electromagnetic coupling between the antenna area P1 and the antenna area P2.
- an optimal reflection coefficient Su can be realized at a third frequency.
- FIG. 2 shows as a solid line the reflection coefficients Sn of the PIFA antenna device according to the invention, which were calculated in a known manner, plotted against the frequency F.
- the frequency bands for the GSM operation in the range between approximately 880 to 960 MHz, for the PCN operation in the range between approximately 1710 to 1880 MHz and for the PCS operation in the range between approximately 1850 to 1990 MHz are shown as dashed lines .
- the simulation results plotted in FIG. 2 show that the PIFA antenna device according to the invention meets the requirements for operation in these three frequency ranges.
- the invention presents a PIFA antenna device for three frequency ranges, the dimensions of which correspond to those of a dual-band PIFA antenna and which enables installation in existing mobile radio devices.
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Waveguide Aerials (AREA)
- Support Of Aerials (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP01997175A EP1336222B1 (de) | 2000-11-24 | 2001-11-05 | Pifa-antennenvorrichtung für mobile kommunikationsendgeräte |
US10/432,789 US7102575B2 (en) | 2000-11-24 | 2001-11-05 | PIFA antenna apparatus for mobile communications terminals |
DE50103253T DE50103253D1 (de) | 2000-11-24 | 2001-11-05 | Pifa-antennenvorrichtung für mobile kommunikationsendgeräte |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10058387 | 2000-11-24 | ||
DE10058387.3 | 2000-11-24 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2002043182A1 true WO2002043182A1 (de) | 2002-05-30 |
Family
ID=7664525
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/DE2001/004148 WO2002043182A1 (de) | 2000-11-24 | 2001-11-05 | Pifa-antennenvorrichtung für mobile kommunikationsendgeräte |
Country Status (4)
Country | Link |
---|---|
US (1) | US7102575B2 (de) |
EP (1) | EP1336222B1 (de) |
DE (1) | DE50103253D1 (de) |
WO (1) | WO2002043182A1 (de) |
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1359641A1 (de) * | 2002-05-03 | 2003-11-05 | Siemens Aktiengesellschaft | PIFA-Antennenvorrichtung für mobile Kommunikationsendgeräte |
EP1396905A1 (de) * | 2002-09-04 | 2004-03-10 | Siemens Aktiengesellschaft | Mobilfunkantenne für mindestens vier Frequenzbänder |
EP1406345A1 (de) * | 2002-07-18 | 2004-04-07 | Siemens Aktiengesellschaft | PIFA-Antenne mit Zusatzinduktivität |
WO2004114464A1 (de) * | 2003-06-24 | 2004-12-29 | Benq Corporation | Pifa-antennenanordnung für mehrere mobilfunk-frequenzbänder |
WO2005038981A1 (en) | 2003-10-20 | 2005-04-28 | Lk Products Oy | Internal multiband antenna |
EP1568101A2 (de) * | 2002-11-08 | 2005-08-31 | Centurion Wireless Technologies, Inc. | Optimale ausnutzung des schlitzabstands in einem pifa-entwurf |
EP1678784A1 (de) * | 2003-10-31 | 2006-07-12 | LK Products Oy | Mehrband-planarantenne |
FR2914113A1 (fr) * | 2007-03-20 | 2008-09-26 | Trixell Sas | Antenne mixte |
WO2010090573A1 (en) * | 2009-02-04 | 2010-08-12 | Proant Ab | Antenna |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2003085780A1 (en) * | 2002-04-04 | 2003-10-16 | Molex Incorporated | Tri-band antenna |
FI20040584A (fi) | 2004-04-26 | 2005-10-27 | Lk Products Oy | Antennielementti ja menetelmä sen valmistamiseksi |
DE102004035064A1 (de) * | 2004-07-20 | 2006-02-16 | Receptec Gmbh | Antennenmodul |
GB2416625B (en) * | 2004-07-22 | 2008-04-23 | Univ Kent Canterbury | Antenna |
US7414583B2 (en) * | 2004-12-08 | 2008-08-19 | Electronics And Telecommunications Research Institute | PIFA, RFID tag using the same and antenna impedance adjusting method thereof |
DE112005003426B4 (de) * | 2005-02-05 | 2017-12-14 | Shenzhen Sunway Communication Co., Ltd. | Breitband-Mehrfach-Schleifenantenne für mobile Kommunikationsgeräte |
US7164385B2 (en) * | 2005-06-06 | 2007-01-16 | Receptec Holdings, Llc | Single-feed multi-frequency multi-polarization antenna |
US7202831B2 (en) * | 2005-08-09 | 2007-04-10 | Darts Technologies Corp. | Multi-band frequency loop-slot antenna |
US7277056B1 (en) * | 2006-09-15 | 2007-10-02 | Laird Technologies, Inc. | Stacked patch antennas |
US8111196B2 (en) * | 2006-09-15 | 2012-02-07 | Laird Technologies, Inc. | Stacked patch antennas |
KR100859711B1 (ko) * | 2006-12-08 | 2008-09-23 | 한국전자통신연구원 | 개구결합 급전방식을 이용한 rfid 센서 태그 안테나 |
KR102078101B1 (ko) * | 2013-09-30 | 2020-02-17 | 삼성전자 주식회사 | 피파 타입 안테나를 포함하는 전자 기기 및 그의 무선 신호 송수신 장치 |
TWI629835B (zh) | 2016-07-21 | 2018-07-11 | 和碩聯合科技股份有限公司 | 天線單元、天線系統及天線控制方法 |
Citations (7)
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---|---|---|---|---|
US5319378A (en) * | 1992-10-09 | 1994-06-07 | The United States Of America As Represented By The Secretary Of The Army | Multi-band microstrip antenna |
EP0777295A2 (de) * | 1995-11-29 | 1997-06-04 | Ntt Mobile Communications Network Inc. | Antenne mit zwei Resonanzfrequenzen |
WO1998044588A1 (en) * | 1997-03-31 | 1998-10-08 | Qualcomm Incorporated | Dual-frequency-band patch antenna with alternating active and passive elements |
EP0871238A2 (de) * | 1997-03-25 | 1998-10-14 | Nokia Mobile Phones Ltd. | Breitbandige Antenne mit kurzgeschlossenen Mikrostreifenleitern |
WO1999028990A1 (fr) * | 1997-12-01 | 1999-06-10 | Kabushiki Kaisha Toshiba | Antenne de type f inversee pour frequences multiples |
EP0942488A2 (de) * | 1998-02-24 | 1999-09-15 | Murata Manufacturing Co., Ltd. | Antennenanordnung und Funkgerät mit einer derartigen Antenne |
US6114996A (en) * | 1997-03-31 | 2000-09-05 | Qualcomm Incorporated | Increased bandwidth patch antenna |
Family Cites Families (7)
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JPH11150415A (ja) * | 1997-11-17 | 1999-06-02 | Toshiba Corp | 多周波アンテナ |
JP2000068736A (ja) | 1998-08-21 | 2000-03-03 | Toshiba Corp | 多周波アンテナ |
FI105061B (fi) | 1998-10-30 | 2000-05-31 | Lk Products Oy | Kahden resonanssitaajuuden tasoantenni |
JP3351363B2 (ja) | 1998-11-17 | 2002-11-25 | 株式会社村田製作所 | 表面実装型アンテナおよびそれを用いた通信装置 |
EP1024552A3 (de) | 1999-01-26 | 2003-05-07 | Siemens Aktiengesellschaft | Antenne für funkbetriebene Kommunikationsendgeräte |
US20010050643A1 (en) * | 2000-02-22 | 2001-12-13 | Igor Egorov | Small-size broad-band printed antenna with parasitic element |
US6326921B1 (en) * | 2000-03-14 | 2001-12-04 | Telefonaktiebolaget Lm Ericsson (Publ) | Low profile built-in multi-band antenna |
-
2001
- 2001-11-05 DE DE50103253T patent/DE50103253D1/de not_active Expired - Lifetime
- 2001-11-05 EP EP01997175A patent/EP1336222B1/de not_active Expired - Lifetime
- 2001-11-05 WO PCT/DE2001/004148 patent/WO2002043182A1/de not_active Application Discontinuation
- 2001-11-05 US US10/432,789 patent/US7102575B2/en not_active Expired - Fee Related
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5319378A (en) * | 1992-10-09 | 1994-06-07 | The United States Of America As Represented By The Secretary Of The Army | Multi-band microstrip antenna |
EP0777295A2 (de) * | 1995-11-29 | 1997-06-04 | Ntt Mobile Communications Network Inc. | Antenne mit zwei Resonanzfrequenzen |
EP0871238A2 (de) * | 1997-03-25 | 1998-10-14 | Nokia Mobile Phones Ltd. | Breitbandige Antenne mit kurzgeschlossenen Mikrostreifenleitern |
WO1998044588A1 (en) * | 1997-03-31 | 1998-10-08 | Qualcomm Incorporated | Dual-frequency-band patch antenna with alternating active and passive elements |
US6114996A (en) * | 1997-03-31 | 2000-09-05 | Qualcomm Incorporated | Increased bandwidth patch antenna |
WO1999028990A1 (fr) * | 1997-12-01 | 1999-06-10 | Kabushiki Kaisha Toshiba | Antenne de type f inversee pour frequences multiples |
US6195048B1 (en) * | 1997-12-01 | 2001-02-27 | Kabushiki Kaisha Toshiba | Multifrequency inverted F-type antenna |
EP0942488A2 (de) * | 1998-02-24 | 1999-09-15 | Murata Manufacturing Co., Ltd. | Antennenanordnung und Funkgerät mit einer derartigen Antenne |
Cited By (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1359641A1 (de) * | 2002-05-03 | 2003-11-05 | Siemens Aktiengesellschaft | PIFA-Antennenvorrichtung für mobile Kommunikationsendgeräte |
EP1406345A1 (de) * | 2002-07-18 | 2004-04-07 | Siemens Aktiengesellschaft | PIFA-Antenne mit Zusatzinduktivität |
EP1396905A1 (de) * | 2002-09-04 | 2004-03-10 | Siemens Aktiengesellschaft | Mobilfunkantenne für mindestens vier Frequenzbänder |
EP1568101A4 (de) * | 2002-11-08 | 2006-01-04 | Centurion Wireless Tech Inc | Optimale ausnutzung des schlitzabstands in einem pifa-entwurf |
US7183982B2 (en) | 2002-11-08 | 2007-02-27 | Centurion Wireless Technologies, Inc. | Optimum Utilization of slot gap in PIFA design |
EP1568101A2 (de) * | 2002-11-08 | 2005-08-31 | Centurion Wireless Technologies, Inc. | Optimale ausnutzung des schlitzabstands in einem pifa-entwurf |
WO2004114464A1 (de) * | 2003-06-24 | 2004-12-29 | Benq Corporation | Pifa-antennenanordnung für mehrere mobilfunk-frequenzbänder |
US7508345B2 (en) | 2003-06-24 | 2009-03-24 | Qisda Corporation | PIFA antenna arrangement for a plurality of mobile radio frequency bands |
WO2005038981A1 (en) | 2003-10-20 | 2005-04-28 | Lk Products Oy | Internal multiband antenna |
EP1678784A1 (de) * | 2003-10-31 | 2006-07-12 | LK Products Oy | Mehrband-planarantenne |
FR2914113A1 (fr) * | 2007-03-20 | 2008-09-26 | Trixell Sas | Antenne mixte |
WO2008125399A1 (fr) * | 2007-03-20 | 2008-10-23 | Trixell S.A.S. | Antenne mixte |
WO2010090573A1 (en) * | 2009-02-04 | 2010-08-12 | Proant Ab | Antenna |
Also Published As
Publication number | Publication date |
---|---|
US7102575B2 (en) | 2006-09-05 |
EP1336222B1 (de) | 2004-08-11 |
DE50103253D1 (de) | 2004-09-16 |
EP1336222A1 (de) | 2003-08-20 |
US20040075610A1 (en) | 2004-04-22 |
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