EP1336222B1 - Dispositif d'antenne pifa pour terminaux de communication mobiles - Google Patents

Dispositif d'antenne pifa pour terminaux de communication mobiles Download PDF

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Publication number
EP1336222B1
EP1336222B1 EP01997175A EP01997175A EP1336222B1 EP 1336222 B1 EP1336222 B1 EP 1336222B1 EP 01997175 A EP01997175 A EP 01997175A EP 01997175 A EP01997175 A EP 01997175A EP 1336222 B1 EP1336222 B1 EP 1336222B1
Authority
EP
European Patent Office
Prior art keywords
antenna
pifa
area
frequency
pifa antenna
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.)
Expired - Lifetime
Application number
EP01997175A
Other languages
German (de)
English (en)
Other versions
EP1336222A1 (fr
Inventor
Sheng-Gen Pan
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.)
Siemens AG
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Siemens AG
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Filing date
Publication date
Application filed by Siemens AG filed Critical Siemens AG
Publication of EP1336222A1 publication Critical patent/EP1336222A1/fr
Application granted granted Critical
Publication of EP1336222B1 publication Critical patent/EP1336222B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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 (planner Inverted F antenna) according to the preamble of claim 1.
  • Such a PIFA antenna device is from JP 11-150415 known.
  • the antenna device described there with a inner antenna area, which is designed as a passive element is, and has an outer, approximately annular antenna surface however, the disadvantage is that they only work on two different resonance frequencies can be operated.
  • JP 2000-68736 is an antenna device known that, starting from a ground plane, several Has antenna surface branches, each on individual Resonance frequencies work.
  • the branched antenna area is equipped with a single high-frequency connection.
  • US 6,195,048 B1 proposed an inner antenna area and an outer one surrounding the inner antenna surface Antenna area to provide, both with a High frequency connection are connected and a common Have a ground point.
  • Such an antenna is not considered Operate triband antenna since the two provided Antenna areas only for a single resonance band are operable.
  • the antenna should be used for mobile communication terminals both technical and visual requirements are sufficient. For one thing, it should work for more than one frequency others, it should be as small as possible to for example, an invisible integration into to allow a mobile device. For example a PIFA antenna (Planar Inverted F-Antenna) is used be that has an extremely compact shape.
  • PIFA antenna Planar Inverted F-Antenna
  • GSM Global System for Mobile Communication
  • PCN Personal Communication Network
  • a known embodiment for the introduction of a third Frequency provides the bandwidth of the PCN frequency band a dual band antenna by increasing the distance between the antenna and the PCB (PCB-board) of the Cellular device is enlarged. This enables the GSM / PCN dual-band antenna additionally for the PCS frequency band be used.
  • the PIFA antenna needs for operation on three frequency bands about 50% more volume as a PIFA antenna that only operates on two frequency bands is working.
  • Another embodiment to form a PIFA antenna that operates on three frequency ranges, provides a dual-band PIFA antenna to combine with an additional antenna.
  • This additional antenna provides the third resonance frequency and the entire PIFA antenna device now faces three frequencies.
  • both the dual band PIFA antenna as well as the additional antenna with an RF input / output connected to the mobile device, both antennas can be controlled separately. This configuration too leads to a more voluminous size of the PIFA antenna device.
  • the second antenna area can be dispensed with.
  • the first antenna area as a dual band antenna work in the frequency bands for GSM and PCN operation and the second antenna area the frequency for the Deliver PCS operation.
  • PIFA antenna device is the second antenna area designed to form a ⁇ / 4 resonator when it is grounded. Through an electromagnetic coupling the ⁇ / 4 resonator is between the two antenna surfaces stimulated.
  • the length and the width of the second antenna area can be advantageous tuned to a desired third frequency his. For example, a nominal value of 50 ohms input impedance the antenna device at the third frequency by choosing the size of the free area respectively of the non-conductive medium between the two antenna surfaces will be realized. This allows the antenna to be used without a Matching network or with a small number of Matching elements are operated, so that in matching circuits occurring losses can be avoided.
  • PIFA antenna device have kinks in the antenna surfaces and bends on. This can create small spatial structures arise that both for an application at two as are also suitable at three frequencies and which adhere to one Can customize the housing of an existing mobile device.
  • the area delimited by the first antenna area Surface be designed rectangular.
  • This area is preferably such the length and width of the second Antenna area adjusted that both a non-contact Arrangement of this second antenna area as well as an electromagnetic one Coupling between the two antenna surfaces enables becomes.
  • the medium between the two arranged in a contactless manner Antenna area is preferably air or another non-conductive medium.
  • PIFA antenna device at least a second Surface or recess provided by the antenna surface is delimited. This allows the third frequency the PIFA antenna device according to the invention independently be voted.
  • FIG. 1 shows a preferred embodiment of the invention PIFA antenna device A.
  • the PIFA antenna device A contains two antenna areas P1 and P2, the antenna area P1 being a rectangular area F1 largely bordered or encompassed.
  • the antenna area P1 is open on one side.
  • the area F1 can also be viewed as a recess in the antenna area P1 and can also have a different shape.
  • Farther contains the antenna surface P1 a contact G1, which is a ground of the mobile radio device contacted, an RF input / output S1, the antenna area P1 with an RF input / output of the mobile device connects as well as another area respectively a recess F2.
  • the antenna area P1 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 requiring additional space. in this connection it should be noted that the antenna surfaces P1 and P2 are mutually do not touch.
  • the antenna area P2 has none direct connection to the RF input / output S1 so that it is an represents "parasitic element”.
  • the antenna surface P2 carries a contact G2, which connects the antenna surface P2 to the mass of the mobile radio device. If the antenna surface P2 is connected to the ground, it forms a ⁇ / 4 resonator that is only half of that Area of a ⁇ / 2 resonator (without mass connection) is required.
  • 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 S 11 can be realized at a third frequency.
  • FIG. 2 shows as a solid line the reflection coefficients S 11 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 GSM operation are in the range between around 880 to 960 MHz, for PCN operation in the area between approximately 1710 to 1880 MHz and for PCS operation in Range between approximately 1850 to 1990 MHz as dashed lines located.
  • the invention provides a PIFA antenna device for three frequency ranges presented in their Dimensions correspond to those of a dual-band PIFA antenna and which enables installation in existing mobile devices.

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Waveguide Aerials (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
  • Support Of Aerials (AREA)

Abstract

L'invention concerne un dispositif d'antenne PIFA (A) comportant une entrée/sortie HF (S1) et deux surfaces d'antenne (P1, P2), qui ont chacune un contact (G1, G2) à la masse d'un terminal de communication mobile. La première surface d'antenne (P1) est conçue pour deux fréquences indépendantes et la seconde surface d'antenne (P2) est conçue pour une troisième fréquence indépendante. L'invention est caractérisée en ce que seule la première surface d'antenne (P1) est reliée à une entrée/sortie HF (S1) et que la seconde surface d'antenne (P2) est disposée sans contact avec la première (P1), de sorte qu'un couplage électromagnétique est créé entre les deux surfaces (P1, P2).

Claims (6)

  1. Dispositif d'antenne PIFA (A) comportant une entrée/sortie HF (S1) et deux surfaces d'antenne (P1, P2) qui ont chacune un contact (G1, G2) vers une masse d'un terminal de communication mobile, la première surface d'antenne (P1) étant conçue pour au moins une fréquence indépendante et la deuxième surface d'antenne (P2) étant conçue pour une autre surface indépendante, seule la première surface d'antenne (P1) étant reliée à l'entrée/sortie HF (S1) et la deuxième surface d'antenne (P2) étant disposée sans contact avec la première surface d'antenne (P1) de telle sorte qu'il se forme entre les deux surfaces d'antenne (P1, P2) un couplage électromagnétique et une première surface (F1) étant prévue, laquelle est largement entourée par la première surface d'antenne (P1), et la deuxième surface (P2) étant disposée à l'intérieur de cette surface (F1),
       caractérisé par le fait que la première surface d'antenne (P1) est conçue pour deux fréquences indépendantes et est ouverte d'un côté.
  2. Dispositif d'antenne PIFA selon la revendication précédente 1, caractérisé par le fait que la deuxième surface d'antenne (P2) est conçue de telle sorte qu'elle forme un résonateur λ/4 lors du contact à la masse.
  3. Dispositif d'antenne PIFA selon l'une des revendications précédentes 1 à 2, caractérisé par le fait que la longueur et la largeur de la deuxième antenne de surface (P2) sont adaptées à l'autre fréquence souhaitée.
  4. Dispositif d'antenne PIFA selon l'une des revendications précédentes 1 à 3, caractérisé par le fait que les surfaces d'antenne (P1, P2) comportent des plis et des courbures.
  5. Dispositif d'antenne PIFA selon l'une des revendications précédentes 1 à 4, caractérisé par le fait que la première surface (F1) est rectangulaire.
  6. Dispositif d'antenne PIFA selon l'une des revendications précédentes 1 à 5, caractérisé par le fait qu'il est prévu au moins une deuxième surface (F2) qui est délimitée par la surface d'antenne (P1).
EP01997175A 2000-11-24 2001-11-05 Dispositif d'antenne pifa pour terminaux de communication mobiles Expired - Lifetime EP1336222B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10058387 2000-11-24
DE10058387 2000-11-24
PCT/DE2001/004148 WO2002043182A1 (fr) 2000-11-24 2001-11-05 Dispositif d'antenne pifa pour terminaux de communication mobiles

Publications (2)

Publication Number Publication Date
EP1336222A1 EP1336222A1 (fr) 2003-08-20
EP1336222B1 true EP1336222B1 (fr) 2004-08-11

Family

ID=7664525

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01997175A Expired - Lifetime EP1336222B1 (fr) 2000-11-24 2001-11-05 Dispositif d'antenne pifa pour terminaux de communication mobiles

Country Status (4)

Country Link
US (1) US7102575B2 (fr)
EP (1) EP1336222B1 (fr)
DE (1) DE50103253D1 (fr)
WO (1) WO2002043182A1 (fr)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003085780A1 (fr) * 2002-04-04 2003-10-16 Molex Incorporated Antenne a trois bandes de frequences
EP1359641A1 (fr) * 2002-05-03 2003-11-05 Siemens Aktiengesellschaft Dispositif d'antenne pifa pour terminaux de communication mobiles
EP1406345B1 (fr) * 2002-07-18 2006-04-26 BenQ Corporation Antenne PIFA avec inductance additionnelle
EP1396905A1 (fr) * 2002-09-04 2004-03-10 Siemens Aktiengesellschaft Antenne radiotéléphonique mobile pour au moins quatre bandes de fréquence
US7183982B2 (en) * 2002-11-08 2007-02-27 Centurion Wireless Technologies, Inc. Optimum Utilization of slot gap in PIFA design
DE10328361A1 (de) * 2003-06-24 2005-01-20 Siemens Ag PIFA-Antennenanordnung für mehrere Mobilfunk-Frequenzbänder
FI120606B (fi) 2003-10-20 2009-12-15 Pulse Finland Oy Sisäinen monikaista-antenni
FI120607B (fi) * 2003-10-31 2009-12-15 Pulse Finland Oy Monikaistainen tasoantenni
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
US8111196B2 (en) * 2006-09-15 2012-02-07 Laird Technologies, Inc. Stacked patch antennas
US7277056B1 (en) * 2006-09-15 2007-10-02 Laird Technologies, Inc. Stacked patch antennas
KR100859711B1 (ko) * 2006-12-08 2008-09-23 한국전자통신연구원 개구결합 급전방식을 이용한 ｒｆｉｄ 센서 태그 안테나
FR2914113B1 (fr) * 2007-03-20 2009-05-01 Trixell Soc Par Actions Simpli Antenne mixte
SE533466C2 (sv) * 2009-02-04 2010-10-05 Proant Ab Antenn
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

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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

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Publication number Priority date Publication date Assignee Title
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

Also Published As

Publication number Publication date
US7102575B2 (en) 2006-09-05
US20040075610A1 (en) 2004-04-22
DE50103253D1 (de) 2004-09-16
WO2002043182A1 (fr) 2002-05-30
EP1336222A1 (fr) 2003-08-20

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