CN102027674A - 用于控制接收器的增益的技术 - Google Patents
用于控制接收器的增益的技术 Download PDFInfo
- Publication number
- CN102027674A CN102027674A CN2009801178403A CN200980117840A CN102027674A CN 102027674 A CN102027674 A CN 102027674A CN 2009801178403 A CN2009801178403 A CN 2009801178403A CN 200980117840 A CN200980117840 A CN 200980117840A CN 102027674 A CN102027674 A CN 102027674A
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- China
- Prior art keywords
- signal
- received
- gain
- control
- sequential
- 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.)
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Links
- 238000000034 method Methods 0.000 title claims abstract description 38
- 238000001914 filtration Methods 0.000 claims description 17
- 238000004590 computer program Methods 0.000 claims description 8
- 230000005540 biological transmission Effects 0.000 claims description 7
- 230000000712 assembly Effects 0.000 claims description 2
- 238000000429 assembly Methods 0.000 claims description 2
- 230000009466 transformation Effects 0.000 claims 1
- 230000001276 controlling effect Effects 0.000 description 42
- 238000005516 engineering process Methods 0.000 description 15
- 238000005259 measurement Methods 0.000 description 10
- 238000006243 chemical reaction Methods 0.000 description 7
- 230000006870 function Effects 0.000 description 7
- 238000010586 diagram Methods 0.000 description 5
- 230000009897 systematic effect Effects 0.000 description 5
- 238000004891 communication Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 230000000875 corresponding effect Effects 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 239000000284 extract Substances 0.000 description 2
- 238000001228 spectrum Methods 0.000 description 2
- 239000012141 concentrate Substances 0.000 description 1
- 230000002596 correlated effect Effects 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000010295 mobile communication Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Images
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
Landscapes
- Circuits Of Receivers In General (AREA)
- Control Of Amplification And Gain Control (AREA)
- Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
Abstract
Description
Claims (20)
Applications Claiming Priority (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP08008936.0 | 2008-05-14 | ||
EP08008936A EP2120336B1 (en) | 2008-05-14 | 2008-05-14 | Technique for controlling a gain of a receiver |
US5486408P | 2008-05-21 | 2008-05-21 | |
US61/054,864 | 2008-05-21 | ||
US61/054864 | 2008-05-21 | ||
PCT/EP2009/055584 WO2009138361A1 (en) | 2008-05-14 | 2009-05-08 | Technique for controlling a gain of a receiver |
Publications (2)
Publication Number | Publication Date |
---|---|
CN102027674A true CN102027674A (zh) | 2011-04-20 |
CN102027674B CN102027674B (zh) | 2014-07-09 |
Family
ID=39752530
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN200980117840.3A Expired - Fee Related CN102027674B (zh) | 2008-05-14 | 2009-05-08 | 用于控制接收器的增益的技术 |
Country Status (6)
Country | Link |
---|---|
US (1) | US20110134980A1 (zh) |
EP (1) | EP2120336B1 (zh) |
CN (1) | CN102027674B (zh) |
AT (1) | ATE474374T1 (zh) |
DE (1) | DE602008001789D1 (zh) |
WO (1) | WO2009138361A1 (zh) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103841633A (zh) * | 2012-11-27 | 2014-06-04 | 中兴通讯股份有限公司 | 一种td-lte自动增益控制方法及设备 |
CN111835493A (zh) * | 2012-05-17 | 2020-10-27 | 高通股份有限公司 | 用于低成本用户设备的窄带划分和高效资源分配 |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102724450B (zh) * | 2012-04-16 | 2018-01-02 | 中兴通讯股份有限公司 | 电视无线广播信号的接收方法及装置 |
US8830859B2 (en) * | 2012-05-10 | 2014-09-09 | Blackberry Limited | Power based gain control adjustment |
US9451569B1 (en) | 2012-09-18 | 2016-09-20 | Marvell International Ltd. | Systems and methods for detecting a primary synchronization signal in a wireless communication system |
US9774308B2 (en) | 2012-12-14 | 2017-09-26 | Telefonaktiebolaget Lm Ericsson (Publ) | Automatic gain control in a heterogeneous mobile communication network |
RU2657244C1 (ru) * | 2014-09-10 | 2018-06-09 | Телефонактиеболагет Лм Эрикссон (Пабл) | Радиоприемник для агрегации несущих |
US9474014B2 (en) * | 2014-12-23 | 2016-10-18 | Intel Corporation | Method of processing received digitized signals and mobile radio communication terminal device |
US10263630B2 (en) * | 2016-08-11 | 2019-04-16 | Cirrus Logic, Inc. | Multi-path analog front end with adaptive path |
US10726873B2 (en) * | 2018-08-14 | 2020-07-28 | Cirrus Logic, Inc. | Polymorphic playback system with signal detection filters of different latencies |
US10701486B1 (en) | 2019-06-07 | 2020-06-30 | Cirrus Logic, Inc. | Low-latency audio output with variable group delay |
US11438697B2 (en) | 2019-06-07 | 2022-09-06 | Cirrus Logic, Inc. | Low-latency audio output with variable group delay |
CN114900402B (zh) * | 2022-05-13 | 2024-05-03 | 苏州才豪电子科技有限公司 | 一种基于智慧管理的信息控制*** |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20020098814A1 (en) * | 2001-01-10 | 2002-07-25 | Hughes Electronics | Method and system for automatic gain control in a satellite communications system |
US20020186799A1 (en) * | 2001-04-03 | 2002-12-12 | Zulfiquar Sayeed | Method and apparatus for adjusting the gain of an if amplifier in a communication system |
EP1401134A1 (en) * | 2001-06-25 | 2004-03-24 | Sony Corporation | AUTOMATIC GAIN CONTROL CIRCUIT AND METHOD THEREOF, AND DEMODULATION APPARATUS USING THE SAME |
US20040081131A1 (en) * | 2002-10-25 | 2004-04-29 | Walton Jay Rod | OFDM communication system with multiple OFDM symbol sizes |
US20050100119A1 (en) * | 2003-11-07 | 2005-05-12 | Atheros Communications, Inc. | Adaptive interference immunity control |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7151740B2 (en) * | 2001-02-28 | 2006-12-19 | Cingular Wireless Ii, Llc | Transmit power control for an OFDM-based wireless communication system |
FI113513B (fi) * | 2001-03-05 | 2004-04-30 | Nokia Corp | Referenssiarvon määrittäminen pakettkytkentäiseen tiedonsiirtoverkkoon yhteydessä olevan vastaanottimen AGC-ohjausta varten |
JP3636145B2 (ja) * | 2001-06-15 | 2005-04-06 | ソニー株式会社 | 復調タイミング生成回路および復調装置 |
GB2378328B (en) * | 2001-08-01 | 2005-07-13 | Ipwireless Inc | AGC scheme and receiver for use in a wireless communication system |
US8320301B2 (en) * | 2002-10-25 | 2012-11-27 | Qualcomm Incorporated | MIMO WLAN system |
US7127223B2 (en) * | 2004-09-09 | 2006-10-24 | Navini Networks, Inc. | Proactive gain control system for communications receivers |
KR101002872B1 (ko) * | 2005-02-07 | 2010-12-21 | 삼성전자주식회사 | 직교 주파수 분할 다중 접속 시스템에서 자동 이득 조정 장치 및 방법 |
US7916798B2 (en) * | 2005-08-18 | 2011-03-29 | Realtek Semiconductor Corp. | Automatic gain control for frequency-hopped OFDM |
US7881411B2 (en) * | 2006-05-05 | 2011-02-01 | Wi-Lan, Inc. | Modulation dependent automatic gain control |
US8213556B1 (en) * | 2007-05-07 | 2012-07-03 | Marvell International Ltd. | Signal power estimation for cellular OFDM systems |
-
2008
- 2008-05-14 DE DE602008001789T patent/DE602008001789D1/de active Active
- 2008-05-14 EP EP08008936A patent/EP2120336B1/en not_active Not-in-force
- 2008-05-14 AT AT08008936T patent/ATE474374T1/de not_active IP Right Cessation
-
2009
- 2009-05-08 US US12/991,076 patent/US20110134980A1/en not_active Abandoned
- 2009-05-08 WO PCT/EP2009/055584 patent/WO2009138361A1/en active Application Filing
- 2009-05-08 CN CN200980117840.3A patent/CN102027674B/zh not_active Expired - Fee Related
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20020098814A1 (en) * | 2001-01-10 | 2002-07-25 | Hughes Electronics | Method and system for automatic gain control in a satellite communications system |
US20020186799A1 (en) * | 2001-04-03 | 2002-12-12 | Zulfiquar Sayeed | Method and apparatus for adjusting the gain of an if amplifier in a communication system |
EP1401134A1 (en) * | 2001-06-25 | 2004-03-24 | Sony Corporation | AUTOMATIC GAIN CONTROL CIRCUIT AND METHOD THEREOF, AND DEMODULATION APPARATUS USING THE SAME |
US20040081131A1 (en) * | 2002-10-25 | 2004-04-29 | Walton Jay Rod | OFDM communication system with multiple OFDM symbol sizes |
US20050100119A1 (en) * | 2003-11-07 | 2005-05-12 | Atheros Communications, Inc. | Adaptive interference immunity control |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111835493A (zh) * | 2012-05-17 | 2020-10-27 | 高通股份有限公司 | 用于低成本用户设备的窄带划分和高效资源分配 |
CN111835493B (zh) * | 2012-05-17 | 2024-03-29 | 高通股份有限公司 | 用于低成本用户设备的窄带划分和高效资源分配方法 |
CN103841633A (zh) * | 2012-11-27 | 2014-06-04 | 中兴通讯股份有限公司 | 一种td-lte自动增益控制方法及设备 |
WO2014082504A1 (zh) * | 2012-11-27 | 2014-06-05 | 中兴通讯股份有限公司 | 一种td-lte自动增益控制方法及设备 |
CN103841633B (zh) * | 2012-11-27 | 2017-08-08 | 中兴通讯股份有限公司 | 一种td‑lte自动增益控制方法及设备 |
Also Published As
Publication number | Publication date |
---|---|
WO2009138361A1 (en) | 2009-11-19 |
ATE474374T1 (de) | 2010-07-15 |
CN102027674B (zh) | 2014-07-09 |
EP2120336B1 (en) | 2010-07-14 |
EP2120336A1 (en) | 2009-11-18 |
DE602008001789D1 (de) | 2010-08-26 |
US20110134980A1 (en) | 2011-06-09 |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
ASS | Succession or assignment of patent right |
Owner name: OPTIS WIRELESS TECHNOLOGY LLC Free format text: FORMER OWNER: CLUSTER CO., LTD. Effective date: 20150422 Owner name: CLUSTER CO., LTD. Free format text: FORMER OWNER: ERICSSON TELEFON AB L M Effective date: 20150422 |
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C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20150422 Address after: Texas, USA Patentee after: Telefonaktiebolaget LM Ericsson (publ) Address before: Delaware Patentee before: Clastres LLC Effective date of registration: 20150422 Address after: Delaware Patentee after: Clastres LLC Address before: Stockholm Patentee before: Telefonaktiebolaget LM Ericsson (publ) |
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CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140709 Termination date: 20180508 |