DE60221526D1 - Automatische verstärkungsregelschaltung und verfahren und modulationsvorrichtung - Google Patents
Automatische verstärkungsregelschaltung und verfahren und modulationsvorrichtungInfo
- Publication number
- DE60221526D1 DE60221526D1 DE60221526T DE60221526T DE60221526D1 DE 60221526 D1 DE60221526 D1 DE 60221526D1 DE 60221526 T DE60221526 T DE 60221526T DE 60221526 T DE60221526 T DE 60221526T DE 60221526 D1 DE60221526 D1 DE 60221526D1
- Authority
- DE
- Germany
- Prior art keywords
- gain control
- automatic gain
- modulation device
- modulation
- automatic
- 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
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G3/00—Gain control in amplifiers or frequency changers
- H03G3/20—Automatic control
- H03G3/30—Automatic control in amplifiers having semiconductor devices
- H03G3/3052—Automatic control in amplifiers having semiconductor devices in bandpass amplifiers (H.F. or I.F.) or in frequency-changers used in a (super)heterodyne receiver
- H03G3/3078—Circuits generating control signals for digitally modulated signals
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G3/00—Gain control in amplifiers or frequency changers
- H03G3/20—Automatic control
- H03G3/30—Automatic control in amplifiers having semiconductor devices
- H03G3/3052—Automatic control in amplifiers having semiconductor devices in bandpass amplifiers (H.F. or I.F.) or in frequency-changers used in a (super)heterodyne receiver
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/26—Systems using multi-frequency codes
- H04L27/2601—Multicarrier modulation systems
- H04L27/2647—Arrangements specific to the receiver only
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Circuits Of Receivers In General (AREA)
- Control Of Amplification And Gain Control (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2001190994 | 2001-06-25 | ||
JP2001190994A JP3599001B2 (ja) | 2001-06-25 | 2001-06-25 | 自動利得制御回路およびその方法、並びにそれらを用いた復調装置 |
PCT/JP2002/006364 WO2003001714A1 (fr) | 2001-06-25 | 2002-06-25 | Circuit de commande de gain automatique et procede correspondant, ainsi que dispositif de demodulation faisant intervenir leur utilisation |
Publications (2)
Publication Number | Publication Date |
---|---|
DE60221526D1 true DE60221526D1 (de) | 2007-09-13 |
DE60221526T2 DE60221526T2 (de) | 2008-05-15 |
Family
ID=19029684
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE60221526T Expired - Lifetime DE60221526T2 (de) | 2001-06-25 | 2002-06-25 | Regelverstärkung und Verfahren und Demodulationsvorrichtung |
Country Status (6)
Country | Link |
---|---|
US (1) | US7397872B2 (de) |
EP (1) | EP1401134B1 (de) |
JP (1) | JP3599001B2 (de) |
CN (1) | CN100512070C (de) |
DE (1) | DE60221526T2 (de) |
WO (1) | WO2003001714A1 (de) |
Families Citing this family (48)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003092561A (ja) * | 2001-09-18 | 2003-03-28 | Sony Corp | 受信装置及び受信方法 |
US7916803B2 (en) | 2003-04-10 | 2011-03-29 | Qualcomm Incorporated | Modified preamble structure for IEEE 802.11a extensions to allow for coexistence and interoperability between 802.11a devices and higher data rate, MIMO or otherwise extended devices |
US8743837B2 (en) | 2003-04-10 | 2014-06-03 | Qualcomm Incorporated | Modified preamble structure for IEEE 802.11A extensions to allow for coexistence and interoperability between 802.11A devices and higher data rate, MIMO or otherwise extended devices |
JP4656836B2 (ja) * | 2003-12-19 | 2011-03-23 | パナソニック株式会社 | 同期クロック生成装置及び同期クロック生成方法 |
JP4212548B2 (ja) | 2003-12-26 | 2009-01-21 | 株式会社東芝 | 無線送信装置、無線受信装置、無線送信方法及び無線受信方法 |
AU2005208694B2 (en) * | 2004-01-28 | 2008-11-27 | Qualcomm Incorporated | Timing estimation in an OFDM receiver |
US8433005B2 (en) * | 2004-01-28 | 2013-04-30 | Qualcomm Incorporated | Frame synchronization and initial symbol timing acquisition system and method |
US8724447B2 (en) | 2004-01-28 | 2014-05-13 | Qualcomm Incorporated | Timing estimation in an OFDM receiver |
US7483499B2 (en) * | 2004-01-30 | 2009-01-27 | Infineon Technologies Ag | Receiver circuit and a method for its operation |
US7773702B2 (en) * | 2004-05-03 | 2010-08-10 | Qualcomm Incorporated | Gain control for a receiver in a multi-carrier communication system |
PL1751890T3 (pl) | 2004-05-27 | 2017-08-31 | Qualcomm Incorporated | ZMODYFIKOWANA STRUKTURA PREAMBUŁY DLA ROZSZERZEŃ IEEE 802.11a DLA UMOŻLIWIENIA WSPÓŁISTNIENIA I WSPÓŁDZIAŁANIA MIĘDZY URZĄDZENIAMI 802.11a A URZĄDZENIAMI O SZYBSZEJ TRANSMISJI DANYCH, MIMO LUB INACZEJ ROZSZERZONYMI |
US7355470B2 (en) | 2006-04-24 | 2008-04-08 | Parkervision, Inc. | Systems and methods of RF power transmission, modulation, and amplification, including embodiments for amplifier class transitioning |
US7327803B2 (en) | 2004-10-22 | 2008-02-05 | Parkervision, Inc. | Systems and methods for vector power amplification |
KR100749446B1 (ko) | 2004-11-30 | 2007-08-14 | 한국전자통신연구원 | 직교주파수 분할다중화 시스템에서 초기 동기 이전의 자동이득조절 방법 및 장치 |
US7656975B2 (en) * | 2005-02-10 | 2010-02-02 | Via Telecom Co., Ltd. | Gain control in signal processing with feed-forward gain correction |
JP4549218B2 (ja) * | 2005-04-08 | 2010-09-22 | 株式会社リコー | Rssi整形処理方法および無線lan装置 |
US8013675B2 (en) | 2007-06-19 | 2011-09-06 | Parkervision, Inc. | Combiner-less multiple input single output (MISO) amplification with blended control |
US7911272B2 (en) | 2007-06-19 | 2011-03-22 | Parkervision, Inc. | Systems and methods of RF power transmission, modulation, and amplification, including blended control embodiments |
KR100812607B1 (ko) | 2005-12-01 | 2008-03-13 | 에스케이텔레시스 주식회사 | 알에프 파워를 이용하여 동기를 획득하는 티디디방식에서의 증폭모듈 및 증폭모듈에서 알에프 파워를이용하여 동기를 획득하는 방법 |
US8315336B2 (en) | 2007-05-18 | 2012-11-20 | Parkervision, Inc. | Systems and methods of RF power transmission, modulation, and amplification, including a switching stage embodiment |
JP4644823B2 (ja) * | 2007-03-26 | 2011-03-09 | 日本電信電話株式会社 | 自動利得制御回路 |
CN101669283B (zh) * | 2007-04-27 | 2013-07-24 | 松下电器产业株式会社 | 接收装置及接收方法 |
US20090040107A1 (en) * | 2007-06-12 | 2009-02-12 | Hmicro, Inc. | Smart antenna subsystem |
US20090042527A1 (en) * | 2007-06-12 | 2009-02-12 | Hmicro Inc. | Dynamic low power receiver |
WO2009005768A1 (en) | 2007-06-28 | 2009-01-08 | Parkervision, Inc. | Systems and methods of rf power transmission, modulation, and amplification |
WO2009055714A2 (en) * | 2007-10-24 | 2009-04-30 | Hmicro, Inc. | Systems and networks for half and full duplex wireless communication using multiple radios |
EP2073473A1 (de) * | 2007-12-21 | 2009-06-24 | Telefonaktiebolaget LM Ericsson (publ) | Verfahren und Vorrichtung zur automatischen Verstärkungsregelung |
WO2009091364A1 (en) * | 2008-01-16 | 2009-07-23 | Thomson Licensing | Automatic gain control with state machine controller feedback |
WO2009093154A1 (en) * | 2008-01-22 | 2009-07-30 | Nxp B.V. | Automatic gain control in a radio receiver circuit, and related interface |
US8879983B2 (en) | 2008-02-06 | 2014-11-04 | Hmicro, Inc. | Wireless communications systems using multiple radios |
JP4911088B2 (ja) * | 2008-03-21 | 2012-04-04 | 富士通株式会社 | 無線通信装置および無線通信方法 |
DE602008001789D1 (de) | 2008-05-14 | 2010-08-26 | Ericsson Telefon Ab L M | Verfahren zur Steuerung einer Empfängerverstärkung |
WO2009145887A1 (en) * | 2008-05-27 | 2009-12-03 | Parkervision, Inc. | Systems and methods of rf power transmission, modulation, and amplification |
JP2011188268A (ja) * | 2010-03-09 | 2011-09-22 | Mitsubishi Electric Corp | 受信装置 |
JP5445361B2 (ja) * | 2010-07-07 | 2014-03-19 | 日本電気株式会社 | 無線通信装置およびその通信方法ならびに無線通信システム |
CN101895507A (zh) * | 2010-08-09 | 2010-11-24 | 复旦大学 | 一种正交频分复用接收机系统及其自动增益控制方法 |
DE102011081245A1 (de) | 2011-03-31 | 2012-10-04 | Rohde & Schwarz Gmbh & Co. Kg | Vorrichtung und Verfahren zum Fixieren eines Verstärkungs- bzw. Dämpfungsfaktors |
JP5699758B2 (ja) * | 2011-04-01 | 2015-04-15 | ソニー株式会社 | 受信装置、受信方法、およびプログラム |
KR20140026458A (ko) | 2011-04-08 | 2014-03-05 | 파커비전, 인크. | Rf 전력 송신, 변조 및 증폭 시스템들 및 방법들 |
WO2012167111A2 (en) | 2011-06-02 | 2012-12-06 | Parkervision, Inc. | Antenna control |
JP5410478B2 (ja) * | 2011-07-07 | 2014-02-05 | クゥアルコム・インコーポレイテッド | 1またはそれ以上の受信器を備えた無線通信システムにおける統合パケット検出 |
US8629718B2 (en) * | 2011-11-07 | 2014-01-14 | Telefonaktiebolaget L M Ericsson (Publ) | Signal splitting apparatus suitable for use in a power amplifier |
CN103296986B (zh) * | 2012-02-29 | 2016-06-22 | 中兴通讯股份有限公司 | 一种自动增益控制方法及装置 |
EP3047348A4 (de) | 2013-09-17 | 2016-09-07 | Parkervision Inc | Verfahren, vorrichtung und system für die darstellung einer datenträgerzeitfunktion |
EP3058659B1 (de) * | 2013-10-17 | 2020-02-19 | Telefonaktiebolaget LM Ericsson (publ) | Vorrichtung und verfahren zur automatischen verstärkungssteuerung |
CN104639266B (zh) * | 2015-02-06 | 2017-02-22 | 深圳市极致汇仪科技有限公司 | 一种快速准确的自动增益控制方法 |
EP3226426B1 (de) * | 2016-03-31 | 2019-12-04 | Nxp B.V. | Verfahren und system zur steuerung ein verstärker einer kommunikationsvorrichtung |
CN113475151A (zh) * | 2019-08-16 | 2021-10-01 | 联发科技股份有限公司 | 基于两种不同参考信号的服务小区激活的自动增益控制 |
Family Cites Families (19)
Publication number | Priority date | Publication date | Assignee | Title |
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JPH0629942A (ja) * | 1992-07-07 | 1994-02-04 | Nec Corp | 自動利得制御回路 |
US5305109A (en) * | 1992-09-08 | 1994-04-19 | Samsung Electronics Co., Ltd. | Parallel untuned video if amplifiers supplied signals from TV 1st detector via respective input filters |
AU673390B2 (en) * | 1993-01-20 | 1996-11-07 | Nec Corporation | An AGC circuit for burst signal |
US5727004A (en) * | 1995-03-14 | 1998-03-10 | Adaptive Networks, Inc. | Method and apparatus for data encoding and communication over noisy media |
CN1201566A (zh) * | 1996-09-05 | 1998-12-09 | 三菱电机株式会社 | 增益控制方法及收信装置 |
JPH10126282A (ja) * | 1996-10-16 | 1998-05-15 | Nec Corp | バースト信号送信装置 |
US5940446A (en) * | 1997-04-28 | 1999-08-17 | Stanford Telecommunications, Inc. | Maximum likelihood detection of MPSK bursts with inserted reference symbols |
JP2968954B2 (ja) | 1998-01-08 | 1999-11-02 | 日本電信電話株式会社 | Ofdm復調器用自動利得制御回路および自動利得制御方法 |
JP3185872B2 (ja) | 1998-05-21 | 2001-07-11 | 日本電気株式会社 | 自動利得制御回路 |
US6188277B1 (en) * | 1998-08-19 | 2001-02-13 | Harris Corporation | Power amplifier having monitoring and circuit protection |
FI109321B (fi) * | 1999-06-10 | 2002-06-28 | Nokia Corp | Menetelmä ja järjestely nopean solunvaihdon toteuttamiseksi pakettikytkentäisessä solukkoradiojärjestelmässä |
US6307443B1 (en) * | 1999-09-24 | 2001-10-23 | Agere Systems Guardian Corp. | Bandpass filters with automatic tuning adjustment |
US7068987B2 (en) * | 2000-10-02 | 2006-06-27 | Conexant, Inc. | Packet acquisition and channel tracking for a wireless communication device configured in a zero intermediate frequency architecture |
JP3552100B2 (ja) * | 2000-12-06 | 2004-08-11 | 日本電気株式会社 | Ofdmバースト信号受信装置 |
US6843597B1 (en) * | 2001-05-15 | 2005-01-18 | Golden Bridge Technology Inc. | Method and apparatus of a fast two-loop automatic gain control circuit |
US20030043947A1 (en) * | 2001-05-17 | 2003-03-06 | Ephi Zehavi | GFSK receiver |
JP4899271B2 (ja) * | 2001-08-10 | 2012-03-21 | 富士通セミコンダクター株式会社 | アナログ制御方法、アナログ制御装置、agc、及びagcの制御方法 |
JP2003101427A (ja) * | 2001-09-21 | 2003-04-04 | Sanyo Electric Co Ltd | 無線装置および利得制御方法 |
US6795490B2 (en) * | 2002-04-17 | 2004-09-21 | Thomson Licensing S.A. | Signal detection in a direct-sequence spread spectrum transmission system |
-
2001
- 2001-06-25 JP JP2001190994A patent/JP3599001B2/ja not_active Expired - Lifetime
-
2002
- 2002-06-25 DE DE60221526T patent/DE60221526T2/de not_active Expired - Lifetime
- 2002-06-25 EP EP02741298A patent/EP1401134B1/de not_active Expired - Fee Related
- 2002-06-25 WO PCT/JP2002/006364 patent/WO2003001714A1/ja active IP Right Grant
- 2002-06-25 CN CNB028025423A patent/CN100512070C/zh not_active Expired - Fee Related
- 2002-06-25 US US10/362,295 patent/US7397872B2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
CN1465151A (zh) | 2003-12-31 |
WO2003001714A1 (fr) | 2003-01-03 |
JP2003008676A (ja) | 2003-01-10 |
EP1401134A1 (de) | 2004-03-24 |
JP3599001B2 (ja) | 2004-12-08 |
CN100512070C (zh) | 2009-07-08 |
EP1401134A4 (de) | 2006-01-04 |
US20040037378A1 (en) | 2004-02-26 |
EP1401134B1 (de) | 2007-08-01 |
US7397872B2 (en) | 2008-07-08 |
DE60221526T2 (de) | 2008-05-15 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8320 | Willingness to grant licences declared (paragraph 23) |