DE602004022743D1 - Funkempfänger, -sender und Impedanzsteuerungsverfahren - Google Patents
Funkempfänger, -sender und ImpedanzsteuerungsverfahrenInfo
- Publication number
- DE602004022743D1 DE602004022743D1 DE602004022743T DE602004022743T DE602004022743D1 DE 602004022743 D1 DE602004022743 D1 DE 602004022743D1 DE 602004022743 T DE602004022743 T DE 602004022743T DE 602004022743 T DE602004022743 T DE 602004022743T DE 602004022743 D1 DE602004022743 D1 DE 602004022743D1
- Authority
- DE
- Germany
- Prior art keywords
- transmitter
- control method
- radio receiver
- impedance control
- impedance
- 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.)
- Active
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/29—Combinations of different interacting antenna units for giving a desired directional characteristic
-
- 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
- H01Q1/246—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM specially adapted for base stations
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
- H01Q3/26—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture
- H01Q3/2605—Array of radiating elements provided with a feedback control over the element weights, e.g. adaptive arrays
- H01Q3/2611—Means for null steering; Adaptive interference nulling
- H01Q3/2629—Combination of a main antenna unit with an auxiliary antenna unit
- H01Q3/2635—Combination of a main antenna unit with an auxiliary antenna unit the auxiliary unit being composed of a plurality of antennas
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
- H01Q3/44—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the electric or magnetic characteristics of reflecting, refracting, or diffracting devices associated with the radiating element
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
- H04L1/0023—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the signalling
- H04L1/0025—Transmission of mode-switching indication
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L25/00—Baseband systems
- H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
- H04L25/0202—Channel estimation
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
- Radio Transmission System (AREA)
- Mobile Radio Communication Systems (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003202002A JP4198552B2 (ja) | 2003-07-25 | 2003-07-25 | 無線受信機、無線送信機及びインピーダンス制御方法 |
Publications (1)
Publication Number | Publication Date |
---|---|
DE602004022743D1 true DE602004022743D1 (de) | 2009-10-08 |
Family
ID=34100530
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE602004022743T Active DE602004022743D1 (de) | 2003-07-25 | 2004-07-21 | Funkempfänger, -sender und Impedanzsteuerungsverfahren |
Country Status (5)
Country | Link |
---|---|
US (1) | US7006041B2 (de) |
EP (1) | EP1511213B1 (de) |
JP (1) | JP4198552B2 (de) |
CN (1) | CN1309184C (de) |
DE (1) | DE602004022743D1 (de) |
Families Citing this family (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7952511B1 (en) | 1999-04-07 | 2011-05-31 | Geer James L | Method and apparatus for the detection of objects using electromagnetic wave attenuation patterns |
US7848743B2 (en) * | 2005-01-21 | 2010-12-07 | Telefonaktiebolaget Lm Ericsson (Publ) | Methods and devices for uplink load estimation |
JP2006246176A (ja) * | 2005-03-04 | 2006-09-14 | Nec Corp | Mimo受信装置、受信方法および無線通信システム |
CN101199083B (zh) * | 2005-04-13 | 2012-04-04 | 松下电器产业株式会社 | 自适应天线装置及无线通信装置 |
JP4922677B2 (ja) * | 2005-07-01 | 2012-04-25 | パナソニック株式会社 | 無線通信装置 |
EP1966908A4 (de) * | 2005-12-08 | 2011-10-05 | Ericsson Telefon Ab L M | Drahtloses kommunikations-mimo-system mit repeatern |
JP4837636B2 (ja) * | 2006-08-16 | 2011-12-14 | パナソニック株式会社 | Mimoアンテナ装置及びそれを備えた無線通信装置 |
JP5002651B2 (ja) * | 2006-09-05 | 2012-08-15 | ソニーモバイルコミュニケーションズ, エービー | アンテナシステム及びアンテナシステムを動作させる方法 |
EP2093899B1 (de) * | 2006-12-15 | 2015-03-04 | Fujitsu Limited | Mobile station und steuerungsverfahren zur antennaprüfung in einer mobilen station |
JP5294443B2 (ja) * | 2007-06-21 | 2013-09-18 | 三星電子株式会社 | アンテナ装置、及び無線通信端末 |
US8244234B2 (en) * | 2007-08-01 | 2012-08-14 | Research In Motion Limited | System and method of measuring total radiated power from mobile wireless communications device |
JP5167902B2 (ja) * | 2008-03-27 | 2013-03-21 | 日本電気株式会社 | 情報伝送システム、該情報伝送システムに用いられる空中線制御方法及び空中線制御プログラム |
CN101997585A (zh) * | 2009-08-21 | 2011-03-30 | 中兴通讯股份有限公司 | 一种多天线收发方法及装置 |
US8634766B2 (en) | 2010-02-16 | 2014-01-21 | Andrew Llc | Gain measurement and monitoring for wireless communication systems |
JP5331036B2 (ja) * | 2010-03-10 | 2013-10-30 | Kddi株式会社 | 無線通信端末およびアンテナインピーダンスの制御方法 |
JP5674411B2 (ja) * | 2010-10-15 | 2015-02-25 | Kddi株式会社 | 無線通信装置およびインピーダンス制御方法 |
CN103457651B (zh) * | 2012-05-31 | 2016-08-24 | 华为技术有限公司 | 联合通道校正方法、联合通道校正单元及基站 |
JP6126406B2 (ja) * | 2013-02-19 | 2017-05-10 | 京セラ株式会社 | 携帯通信端末、無線基地局及び無線通信システム |
JP6304868B2 (ja) * | 2013-02-26 | 2018-04-04 | 日本電信電話株式会社 | アンテナ装置 |
FR3010836B1 (fr) * | 2013-09-18 | 2016-12-09 | Centre Nat Rech Scient | Dispositif de reflexion d'une onde, dispositif mobile, et systeme |
US9835714B2 (en) * | 2015-04-09 | 2017-12-05 | Texas Instruments Incorporated | Circuit and method for impedance detection in millimeter wave systems |
GB2571279B (en) | 2018-02-21 | 2022-03-09 | Pet Tech Limited | Antenna arrangement and associated method |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5999889A (en) * | 1997-06-04 | 1999-12-07 | The United States Of America As Represented By The Secretary Of The Navy | Antenna performance monitor |
WO1999043096A1 (en) * | 1998-02-19 | 1999-08-26 | Motorola Inc. | Data communications terminal and method of adjusting a power signal generated therefrom |
GB9901789D0 (en) * | 1998-04-22 | 1999-03-17 | Koninkl Philips Electronics Nv | Antenna diversity system |
JP3229864B2 (ja) * | 1999-03-24 | 2001-11-19 | 三洋電機株式会社 | 伝送チャネルの割当方法およびそれを用いた無線装置 |
SE9902341L (sv) * | 1999-06-21 | 2001-02-21 | Ericsson Telefon Ab L M | Apparat och förfarande för att detektera närhet med hjälp av en antenn |
JP2001077719A (ja) * | 1999-09-07 | 2001-03-23 | Nec Saitama Ltd | アンテナ・インピーダンス変化の補償可能な携帯電話機 |
US6448924B1 (en) * | 1999-10-12 | 2002-09-10 | Smiths Aerospace, Inc. | Microwave blade tracker |
SE516531C2 (sv) * | 1999-10-29 | 2002-01-29 | Allgon Ab | Antennanordning omkopplingsbar mellan ett flertal konfigurationstillstånd i avhängighet av en mottagen storhet samt därtill hörande metod |
US6492942B1 (en) | 1999-11-09 | 2002-12-10 | Com Dev International, Inc. | Content-based adaptive parasitic array antenna system |
US7042956B2 (en) * | 2000-11-06 | 2006-05-09 | Hesham El-Gamal | Method and system for utilizing space-time codes for block fading channels |
DE60137017D1 (de) * | 2001-01-31 | 2009-01-29 | Sony Deutschland Gmbh | Mobiles endgerät für ein drahtloses telekommunikationssystem |
JP3714910B2 (ja) | 2001-02-20 | 2005-11-09 | 株式会社エヌ・ティ・ティ・ドコモ | ターボ受信方法及びその受信機 |
US6608603B2 (en) * | 2001-08-24 | 2003-08-19 | Broadcom Corporation | Active impedance matching in communications systems |
US6993297B2 (en) * | 2002-07-12 | 2006-01-31 | Sony Ericsson Mobile Communications Ab | Apparatus and methods for tuning antenna impedance using transmitter and receiver parameters |
-
2003
- 2003-07-25 JP JP2003202002A patent/JP4198552B2/ja not_active Expired - Fee Related
-
2004
- 2004-07-16 US US10/892,147 patent/US7006041B2/en not_active Expired - Fee Related
- 2004-07-21 EP EP04254348A patent/EP1511213B1/de not_active Expired - Fee Related
- 2004-07-21 DE DE602004022743T patent/DE602004022743D1/de active Active
- 2004-07-23 CN CNB2004100589402A patent/CN1309184C/zh not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
JP4198552B2 (ja) | 2008-12-17 |
US20050054318A1 (en) | 2005-03-10 |
EP1511213B1 (de) | 2009-08-26 |
EP1511213A1 (de) | 2005-03-02 |
CN1578191A (zh) | 2005-02-09 |
US7006041B2 (en) | 2006-02-28 |
JP2005045464A (ja) | 2005-02-17 |
CN1309184C (zh) | 2007-04-04 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition |