FI20002882A7 - Järjestely antennin sovittamiseksi - Google Patents

Järjestely antennin sovittamiseksi Download PDF

Info

Publication number
FI20002882A7
FI20002882A7 FI20002882A FI20002882A FI20002882A7 FI 20002882 A7 FI20002882 A7 FI 20002882A7 FI 20002882 A FI20002882 A FI 20002882A FI 20002882 A FI20002882 A FI 20002882A FI 20002882 A7 FI20002882 A7 FI 20002882A7
Authority
FI
Finland
Prior art keywords
antenna
reflected
field
strength
power amplifier
Prior art date
Application number
FI20002882A
Other languages
English (en)
Swedish (sv)
Other versions
FI20002882A0 (fi
FI20002882L (fi
Inventor
Pasi Leipälä
Original Assignee
Nokia 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 Nokia Corp filed Critical Nokia Corp
Priority to FI20002882A priority Critical patent/FI20002882L/fi
Publication of FI20002882A0 publication Critical patent/FI20002882A0/fi
Priority to US10/027,119 priority patent/US20020086643A1/en
Priority to EP01660248A priority patent/EP1220456A3/en
Publication of FI20002882A7 publication Critical patent/FI20002882A7/fi
Publication of FI20002882L publication Critical patent/FI20002882L/fi

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/02—Transmitters
    • H04B1/04—Circuits
    • H04B1/0458—Arrangements for matching and coupling between power amplifier and antenna or between amplifying stages

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Transmitters (AREA)

Abstract

Keksintö koskee järjestelyä erityisesti uusia siirtoteknii-koita käyttävien matkaviestimien antennien sovittamiseksi lähetystilanteessa sekä antennia syöttävän tehovahvistimen suojaamiseksi. Antennin (260) sovittamiseksi mitataan jatkuvasti antennista heijastuneen kentän (re) voimakkuutta. Mittaustietoa käytetään antennin sovituspiirin (250) ohjaamiseen siten, että heijastuneen kentän voimakkuus minimoituu. Mittaamiseen käytetään sirkulaattoria (220), jolla toteutetaan lisäksi suuntavaimennus, ts. estetään antennista heijastuneen kentän eteneminen takaisin tehovahvistimelle (PA). Monikaistalaitteessa otetaan sovituksessa lisäksi huomioon kulloinkin käytettävä kaista. Keksinnön mukaisessa rakenteessa saavutetaan tilan säästöä, kun suhteellisen suurikokoisten komponenttien määrä pienenee. Myös antennille johtavan siirtotien vaimennus pienenee verrattuna vastaaviin tekniikan tason mukaisiin rakenteisiin.&sr;Kuva 2
FI20002882A 2000-12-29 2000-12-29 Järjestely antennin sovittamiseksi FI20002882L (fi)

Priority Applications (3)

Application Number Priority Date Filing Date Title
FI20002882A FI20002882L (fi) 2000-12-29 2000-12-29 Järjestely antennin sovittamiseksi
US10/027,119 US20020086643A1 (en) 2000-12-29 2001-12-20 Arrangement for antenna matching
EP01660248A EP1220456A3 (en) 2000-12-29 2001-12-21 Arrangement for antenna matching

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI20002882A FI20002882L (fi) 2000-12-29 2000-12-29 Järjestely antennin sovittamiseksi

Publications (3)

Publication Number Publication Date
FI20002882A0 FI20002882A0 (fi) 2000-12-29
FI20002882A7 true FI20002882A7 (fi) 2002-06-30
FI20002882L FI20002882L (fi) 2002-06-30

Family

ID=8559838

Family Applications (1)

Application Number Title Priority Date Filing Date
FI20002882A FI20002882L (fi) 2000-12-29 2000-12-29 Järjestely antennin sovittamiseksi

Country Status (3)

Country Link
US (1) US20020086643A1 (fi)
EP (1) EP1220456A3 (fi)
FI (1) FI20002882L (fi)

Families Citing this family (50)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DK1276243T3 (da) * 2001-07-11 2004-08-02 Ttp Communications Ltd Sender til en mobil telekommunikationsindretning
DE10233123A1 (de) * 2002-07-20 2004-02-05 Philips Intellectual Property & Standards Gmbh Einrichtung zur dynamischen Anpassung der Impedanz zwischen einem Leistungsverstärker und einer Antenne
WO2004084345A1 (en) * 2003-03-21 2004-09-30 Philips Intellectual Property & Standards Gmbh Circuit arrangement for a mobile radio device
DE10315744B4 (de) * 2003-04-04 2007-05-31 Sennheiser Electronic Gmbh & Co. Kg Mikrofon mit HF-Sender
EP1487121A1 (en) * 2003-06-11 2004-12-15 Telefonaktiebolaget LM Ericsson (publ) Tunable isolator circuit
KR100565284B1 (ko) * 2003-07-30 2006-03-30 엘지전자 주식회사 이동통신단말기의 송신장치
EP1564896A1 (en) * 2004-02-10 2005-08-17 Sony Ericsson Mobile Communications AB Impedance matching for an antenna
US7379714B2 (en) * 2004-04-02 2008-05-27 Interdigital Technology Corporation Method and apparatus for dynamically adjusting a transmitter's impedance
KR20050107916A (ko) * 2004-05-10 2005-11-16 주식회사 팬택앤큐리텔 반사신호를 이용한 안테나 튜닝장치
JP5172658B2 (ja) * 2005-04-29 2013-03-27 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ マルチチャネル送受信アンテナ装置を操作するための方法及び回路装置。
FI20055420A0 (fi) 2005-07-25 2005-07-25 Lk Products Oy Säädettävä monikaista antenni
FI119009B (fi) 2005-10-03 2008-06-13 Pulse Finland Oy Monikaistainen antennijärjestelmä
FI118782B (fi) 2005-10-14 2008-03-14 Pulse Finland Oy Säädettävä antenni
US8618990B2 (en) 2011-04-13 2013-12-31 Pulse Finland Oy Wideband antenna and methods
US8280323B2 (en) * 2006-10-11 2012-10-02 Bae Systems Information And Electronic Systems Integration Inc. Fuzzy logic control of an RF power amplifier for automatic self-tuning
US7630693B2 (en) * 2006-11-16 2009-12-08 Freescale Semiconductor, Inc. Transmitter with improved power efficiency
US7983627B2 (en) * 2007-03-30 2011-07-19 Infineon Technologies Ag Circuit arrangement with improved decoupling
FI20075269A0 (fi) * 2007-04-19 2007-04-19 Pulse Finland Oy Menetelmä ja järjestely antennin sovittamiseksi
US20090002069A1 (en) 2007-06-27 2009-01-01 Ntt Docomo, Inc. Variable circuit, communication apparatus, mobile communication apparatus and communication system
FI120427B (fi) 2007-08-30 2009-10-15 Pulse Finland Oy Säädettävä monikaista-antenni
WO2009090035A1 (en) * 2008-01-14 2009-07-23 Epcos Ag Improvements in or relating to portable wireless devices
US8902073B2 (en) * 2009-02-10 2014-12-02 Cubic Corporation Smartcard protection device
FI20096134A0 (fi) 2009-11-03 2009-11-03 Pulse Finland Oy Säädettävä antenni
FI20096251A0 (sv) 2009-11-27 2009-11-27 Pulse Finland Oy MIMO-antenn
US8847833B2 (en) 2009-12-29 2014-09-30 Pulse Finland Oy Loop resonator apparatus and methods for enhanced field control
FI20105158A7 (fi) 2010-02-18 2011-08-19 Pulse Finland Oy Kuorisäteilijällä varustettu antenni
US9406998B2 (en) 2010-04-21 2016-08-02 Pulse Finland Oy Distributed multiband antenna and methods
JP5459396B2 (ja) * 2010-05-06 2014-04-02 株式会社村田製作所 回路モジュール及び測定方法
FI20115072A0 (fi) 2011-01-25 2011-01-25 Pulse Finland Oy Moniresonanssiantenni, -antennimoduuli ja radiolaite
US8648752B2 (en) 2011-02-11 2014-02-11 Pulse Finland Oy Chassis-excited antenna apparatus and methods
US9673507B2 (en) 2011-02-11 2017-06-06 Pulse Finland Oy Chassis-excited antenna apparatus and methods
US8866689B2 (en) 2011-07-07 2014-10-21 Pulse Finland Oy Multi-band antenna and methods for long term evolution wireless system
US9450291B2 (en) 2011-07-25 2016-09-20 Pulse Finland Oy Multiband slot loop antenna apparatus and methods
US9123990B2 (en) 2011-10-07 2015-09-01 Pulse Finland Oy Multi-feed antenna apparatus and methods
US9531058B2 (en) 2011-12-20 2016-12-27 Pulse Finland Oy Loosely-coupled radio antenna apparatus and methods
US9484619B2 (en) 2011-12-21 2016-11-01 Pulse Finland Oy Switchable diversity antenna apparatus and methods
US8988296B2 (en) 2012-04-04 2015-03-24 Pulse Finland Oy Compact polarized antenna and methods
US9979078B2 (en) 2012-10-25 2018-05-22 Pulse Finland Oy Modular cell antenna apparatus and methods
US10069209B2 (en) 2012-11-06 2018-09-04 Pulse Finland Oy Capacitively coupled antenna apparatus and methods
US20140194074A1 (en) * 2013-01-07 2014-07-10 Motorola Mobility Llc Method and apparatus for wireless communicationdevice multiband tunable radio architecture
US9647338B2 (en) 2013-03-11 2017-05-09 Pulse Finland Oy Coupled antenna structure and methods
US10079428B2 (en) 2013-03-11 2018-09-18 Pulse Finland Oy Coupled antenna structure and methods
US9634383B2 (en) 2013-06-26 2017-04-25 Pulse Finland Oy Galvanically separated non-interacting antenna sector apparatus and methods
US9680212B2 (en) 2013-11-20 2017-06-13 Pulse Finland Oy Capacitive grounding methods and apparatus for mobile devices
US9590308B2 (en) 2013-12-03 2017-03-07 Pulse Electronics, Inc. Reduced surface area antenna apparatus and mobile communications devices incorporating the same
US9350081B2 (en) 2014-01-14 2016-05-24 Pulse Finland Oy Switchable multi-radiator high band antenna apparatus
US9948002B2 (en) 2014-08-26 2018-04-17 Pulse Finland Oy Antenna apparatus with an integrated proximity sensor and methods
US9973228B2 (en) 2014-08-26 2018-05-15 Pulse Finland Oy Antenna apparatus with an integrated proximity sensor and methods
US9722308B2 (en) 2014-08-28 2017-08-01 Pulse Finland Oy Low passive intermodulation distributed antenna system for multiple-input multiple-output systems and methods of use
US9906260B2 (en) 2015-07-30 2018-02-27 Pulse Finland Oy Sensor-based closed loop antenna swapping apparatus and methods

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5564086A (en) * 1993-11-29 1996-10-08 Motorola, Inc. Method and apparatus for enhancing an operating characteristic of a radio transmitter
GB2289989B (en) * 1994-05-25 1999-01-06 Nokia Mobile Phones Ltd Adaptive antenna matching
US5701595A (en) * 1995-05-04 1997-12-23 Nippondenso Co., Ltd. Half duplex RF transceiver having low transmit path signal loss
US5880635A (en) * 1997-04-16 1999-03-09 Sony Corporation Apparatus for optimizing the performance of a power amplifier
US5959516A (en) * 1998-01-08 1999-09-28 Rockwell Science Center, Llc Tunable-trimmable micro electro mechanical system (MEMS) capacitor
US6611691B1 (en) * 1998-12-24 2003-08-26 Motorola, Inc. Antenna adapted to operate in a plurality of frequency bands

Also Published As

Publication number Publication date
EP1220456A3 (en) 2004-10-20
FI20002882A0 (fi) 2000-12-29
FI20002882L (fi) 2002-06-30
US20020086643A1 (en) 2002-07-04
EP1220456A2 (en) 2002-07-03

Similar Documents

Publication Publication Date Title
AU763788B2 (en) Isolation improvement circuit for a dual-polarization antenna
EP1152485A4 (en) RADIO TRANSMISSION DEVICE
ATE258721T1 (de) Koaxiale dielektrische stabantenne
US20020086643A1 (en) Arrangement for antenna matching
TWI266549B (en) System and method for increasing cellular system capacity by the use of the same frequency and time slot for both uplink and downlink transmissions
FI20021630A7 (fi) Antennin lähetystehon säätöjärjestelmä
JP2005534224A (ja) 電力増幅器およびアンテナ間の動的インピーダンスマッチング装置
FR2866756A1 (fr) Element dephaseur et antenne a depointage variable comprenant au moins un tel element
US20070002781A1 (en) Transmit-receive antenna switch in a TDD wireless communication system
FI20000539A7 (fi) Menetelmä häiriön vaikutuksen minimoimiseksi ja radiojärjestelmä
US20230008446A1 (en) Electronic Devices with Concurrent Radio-Frequency Transmission and Sensing
CN110492951B (zh) 一种射频反馈检测电路、天线组件以及电子设备
US20100226653A1 (en) Circuit for switching signal path, antenna module and radio over fiber system
WO2002025774A3 (en) Low loss rf power distribution network
CN108598669B (zh) 电子装置
KR20200073136A (ko) 누설 전력 저감을 위한 송수신기
SE0003952D0 (sv) Device for a mobile terminal
GB2353185B (en) Mobile communications apparatus
EP1250730B1 (en) An rf antenna detector circuit
KR200200852Y1 (ko) 이중 안테나를 가지는 이동무선 통신 단말기
TW428371B (en) Radio transceiver system capable of dynamically adjusting the operating bias point of a low noise amplifier
KR100608491B1 (ko) 휴대인터넷 시간분할이중방식 안테나단의 전력증폭기제어방법 및 그 안테나단
KR100595736B1 (ko) 휴대인터넷 시간분할이중방식 안테나단의 저잡음증폭기설계방법 및 그 저잡음증폭기
KR100383612B1 (ko) 이동 통신 단말의 송신 장치
KR100396521B1 (ko) 이동통신시스템에서 송신기의 전력증폭 장치