DE602004003078D1 - Vorrichtung und Verfahren zur Überwachung des Antennenzustandes einer Mobilstation - Google Patents

Vorrichtung und Verfahren zur Überwachung des Antennenzustandes einer Mobilstation

Info

Publication number
DE602004003078D1
DE602004003078D1 DE602004003078T DE602004003078T DE602004003078D1 DE 602004003078 D1 DE602004003078 D1 DE 602004003078D1 DE 602004003078 T DE602004003078 T DE 602004003078T DE 602004003078 T DE602004003078 T DE 602004003078T DE 602004003078 D1 DE602004003078 D1 DE 602004003078D1
Authority
DE
Germany
Prior art keywords
antenna
abnormal state
power amplifier
monitoring
mobile station
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
DE602004003078T
Other languages
English (en)
Other versions
DE602004003078T2 (de
Inventor
Chang-Kyu Lee
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.)
LG Electronics Inc
Original Assignee
LG Electronics Inc
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 LG Electronics Inc filed Critical LG Electronics Inc
Publication of DE602004003078D1 publication Critical patent/DE602004003078D1/de
Application granted granted Critical
Publication of DE602004003078T2 publication Critical patent/DE602004003078T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0602—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using antenna switching
    • 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
    • H04B1/005—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 adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges
    • 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
    • H04B1/0466—Fault detection or indication
    • 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
    • H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
    • H04B1/40—Circuits
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • H04B17/10—Monitoring; Testing of transmitters
    • H04B17/15—Performance testing
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2200/00—Indexing scheme relating to amplifiers
    • H03F2200/504—Indexing scheme relating to amplifiers the supply voltage or current being continuously controlled by a controlling signal, e.g. the controlling signal of a transistor implemented as variable resistor in a supply path for, an IC-block showed amplifier
    • 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
    • H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
    • H04B1/40—Circuits
    • H04B1/50—Circuits using different frequencies for the two directions of communication
    • H04B1/52—Hybrid arrangements, i.e. arrangements for transition from single-path two-direction transmission to single-direction transmission on each of two paths or vice versa
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • H04B17/10—Monitoring; Testing of transmitters
    • H04B17/15—Performance testing
    • H04B17/17—Detection of non-compliance or faulty performance, e.g. response deviations
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • H04B17/10—Monitoring; Testing of transmitters
    • H04B17/15—Performance testing
    • H04B17/19—Self-testing arrangements
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
DE602004003078T 2003-02-25 2004-02-19 Vorrichtung und Verfahren zur Überwachung des Antennenzustandes einer Mobilstation Expired - Lifetime DE602004003078T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020030011662A KR100540229B1 (ko) 2003-02-25 2003-02-25 이동통신 단말기의 송신단 성능 개선 장치 및 그 방법
KR2003011662 2003-02-25

Publications (2)

Publication Number Publication Date
DE602004003078D1 true DE602004003078D1 (de) 2006-12-21
DE602004003078T2 DE602004003078T2 (de) 2007-02-15

Family

ID=32768604

Family Applications (1)

Application Number Title Priority Date Filing Date
DE602004003078T Expired - Lifetime DE602004003078T2 (de) 2003-02-25 2004-02-19 Vorrichtung und Verfahren zur Überwachung des Antennenzustandes einer Mobilstation

Country Status (7)

Country Link
US (1) US7155267B2 (de)
EP (1) EP1453335B1 (de)
JP (1) JP3889007B2 (de)
KR (1) KR100540229B1 (de)
CN (1) CN100356700C (de)
AT (1) ATE345020T1 (de)
DE (1) DE602004003078T2 (de)

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US20080267056A1 (en) * 2007-04-26 2008-10-30 Motorola, Inc. Method and apparatus for performing multi-antenna transmission
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US8583199B2 (en) * 2011-04-07 2013-11-12 General Motors Llc Telematics systems and methods with multiple antennas
US8761296B2 (en) 2012-06-01 2014-06-24 Qualcomm Incorporated Method and apparatus for antenna tuning and transmit path selection
US9954491B2 (en) 2014-05-28 2018-04-24 Skyworks Solutions, Inc. Systems and methods related to switchable output stages in power amplifiers
US20160238427A1 (en) * 2015-02-13 2016-08-18 Honeywell International Inc. Electronic level gauge having improved noise rejection and power transmission
TWI591892B (zh) * 2015-08-18 2017-07-11 啟碁科技股份有限公司 無線通訊裝置及其改善特定吸收比率值的方法
JP6584943B2 (ja) 2015-12-14 2019-10-02 古野電気株式会社 アンテナ状態判定回路、アンテナチューナ、無線通信機、アンテナ状態判定方法
US9742479B2 (en) * 2016-01-04 2017-08-22 Blackberry Limited Method and apparatus for detecting an abnormal antenna condition
US9735854B2 (en) * 2016-01-18 2017-08-15 Qorvo Us, Inc. Systems for antenna swapping switching and methods of operation thereof
US9793972B1 (en) 2016-04-04 2017-10-17 Qorvo Us, Inc. Multiple-input multiple-output (MIMO) antenna swapping circuit
CN106932655B (zh) * 2017-03-20 2019-08-09 北京空间飞行器总体设计部 一种有源sar天线工作状态测试系统及测试方法
CN108306695A (zh) * 2018-01-29 2018-07-20 西安蜂语信息科技有限公司 提醒方法及装置

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Also Published As

Publication number Publication date
EP1453335B1 (de) 2006-11-08
DE602004003078T2 (de) 2007-02-15
JP2004260826A (ja) 2004-09-16
US20040166909A1 (en) 2004-08-26
CN1525652A (zh) 2004-09-01
JP3889007B2 (ja) 2007-03-07
KR20040076344A (ko) 2004-09-01
KR100540229B1 (ko) 2006-01-10
US7155267B2 (en) 2006-12-26
ATE345020T1 (de) 2006-11-15
EP1453335A1 (de) 2004-09-01
CN100356700C (zh) 2007-12-19

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