CN102027675B - Wcdma agc接收器snr调整和信令 - Google Patents
Wcdma agc接收器snr调整和信令 Download PDFInfo
- Publication number
- CN102027675B CN102027675B CN200880129360.4A CN200880129360A CN102027675B CN 102027675 B CN102027675 B CN 102027675B CN 200880129360 A CN200880129360 A CN 200880129360A CN 102027675 B CN102027675 B CN 102027675B
- Authority
- CN
- China
- Prior art keywords
- agc
- signal
- receiver
- noise
- output signal
- 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 - Fee Related
Links
- 230000011664 signaling Effects 0.000 title claims abstract description 14
- 238000004891 communication Methods 0.000 claims abstract description 15
- 238000000034 method Methods 0.000 claims abstract description 15
- 238000003556 assay Methods 0.000 claims description 6
- 238000001514 detection method Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 8
- 230000002452 interceptive effect Effects 0.000 description 6
- 238000004088 simulation Methods 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 238000005562 fading Methods 0.000 description 1
- 231100000219 mutagenic Toxicity 0.000 description 1
- 230000003505 mutagenic effect Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
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
Landscapes
- Circuits Of Receivers In General (AREA)
- Control Of Amplification And Gain Control (AREA)
- Noise Elimination (AREA)
Abstract
Description
Claims (10)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/EP2008/055976 WO2009138125A1 (en) | 2008-05-15 | 2008-05-15 | Wcdma agc receiver snr adjustment and signalling |
Publications (2)
Publication Number | Publication Date |
---|---|
CN102027675A CN102027675A (zh) | 2011-04-20 |
CN102027675B true CN102027675B (zh) | 2015-03-25 |
Family
ID=39790928
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN200880129360.4A Expired - Fee Related CN102027675B (zh) | 2008-05-15 | 2008-05-15 | Wcdma agc接收器snr调整和信令 |
Country Status (4)
Country | Link |
---|---|
US (1) | US8320865B2 (zh) |
EP (1) | EP2297850B1 (zh) |
CN (1) | CN102027675B (zh) |
WO (1) | WO2009138125A1 (zh) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2012182534A (ja) * | 2011-02-28 | 2012-09-20 | Toshiba Corp | 信号受信装置および信号受信方法 |
US9001941B2 (en) * | 2012-01-31 | 2015-04-07 | Analog Devices, Inc. | Method and apparatus to independently control front end gain and baseband gain |
US20160126912A1 (en) * | 2013-06-13 | 2016-05-05 | Telefonaktiebolaget L M Ericsson (Publ) | Attenuator Control for a Signal Processing Chain |
US9124234B1 (en) | 2014-04-11 | 2015-09-01 | Entropic Communications, LLC. | Method and apparatus for adaptive automatic gain control |
KR102494784B1 (ko) | 2015-07-28 | 2023-02-01 | 삼성전자주식회사 | 수신기 및 그 동작 방법 |
CN105357749B (zh) * | 2015-10-16 | 2018-08-31 | 北京航天万达高科技有限公司 | 一种用于数字通信的新型自动增益控制方法 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2000008752A1 (en) * | 1998-08-06 | 2000-02-17 | Ericsson Inc. | Systems and methods for management of current consumption and performance in a receiver down converter of a wireless device |
CN1736031A (zh) * | 2003-01-31 | 2006-02-15 | 诺基亚有限公司 | 提高直接转换接收机接收灵敏度的设备和相关方法 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
MX161741A (es) * | 1987-08-28 | 1990-12-20 | Motorola Inc | Sistema mejorado de comunicaciones de frecuencia modulada |
US6625433B1 (en) * | 2000-09-29 | 2003-09-23 | Agere Systems Inc. | Constant compression automatic gain control circuit |
US6904274B2 (en) * | 2000-11-21 | 2005-06-07 | Research In Motion Limited | System and method for inverting automatic gain control (AGC) and soft limiting |
US7486941B2 (en) * | 2005-04-04 | 2009-02-03 | Freescale Semiconductor, Inc. | Method and apparatus for dynamic gain and phase compensations |
US7426376B2 (en) * | 2005-06-30 | 2008-09-16 | Silicon Laboratories Inc. | Receiver having digital automatic gain control |
-
2008
- 2008-05-15 WO PCT/EP2008/055976 patent/WO2009138125A1/en active Application Filing
- 2008-05-15 EP EP08750308.2A patent/EP2297850B1/en not_active Not-in-force
- 2008-05-15 US US12/991,479 patent/US8320865B2/en not_active Expired - Fee Related
- 2008-05-15 CN CN200880129360.4A patent/CN102027675B/zh not_active Expired - Fee Related
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2000008752A1 (en) * | 1998-08-06 | 2000-02-17 | Ericsson Inc. | Systems and methods for management of current consumption and performance in a receiver down converter of a wireless device |
CN1736031A (zh) * | 2003-01-31 | 2006-02-15 | 诺基亚有限公司 | 提高直接转换接收机接收灵敏度的设备和相关方法 |
Also Published As
Publication number | Publication date |
---|---|
CN102027675A (zh) | 2011-04-20 |
EP2297850B1 (en) | 2015-08-19 |
WO2009138125A1 (en) | 2009-11-19 |
EP2297850A1 (en) | 2011-03-23 |
US20110059711A1 (en) | 2011-03-10 |
US8320865B2 (en) | 2012-11-27 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
EP1710918B1 (en) | Transmitter and wireless communication apparatus | |
US6795693B2 (en) | Method for controlling the transmitter part of a radio transceiver and a corresponding radio transceiver | |
US6222878B1 (en) | Communication system with end-to-end quadrature balance control | |
CN102027675B (zh) | Wcdma agc接收器snr调整和信令 | |
JP5233820B2 (ja) | モバイル直交周波数分割多元接続ネットワークにおける自動利得制御方法及び装置 | |
JPS59133739A (ja) | 2ウエイ式無線通信システム | |
CN1781298B (zh) | 用于射频参数需求的无线传输/接收单元与方法 | |
EP2127131A1 (en) | Radio communications using scheduled power amplifier backoff | |
CN103517390A (zh) | 一种功率控制方法及装置 | |
US7492294B2 (en) | Receiving method with digital level adjustment in the analog section and incremental level change in the digital section | |
EP1222743B1 (en) | Receiver, transceiver, radio unit and method for telecommunication | |
EP1339248A1 (en) | Method and device of gain equalization based on wideband multi-carrier base-station | |
US20050089123A1 (en) | Circuit method and system for automatic gain control | |
KR101771272B1 (ko) | 개선된 dc 오프셋 추정 | |
CN101741402A (zh) | 一种无线通信系统下适用于超大动态范围的无线接收机 | |
AU3585599A (en) | Automatic gain control circuit and control method therefor | |
CN104247276B (zh) | 用于在无线通信系统中匹配天线阻抗的装置和方法 | |
US6836519B1 (en) | Automatic digital scaling for digital communication systems | |
Eberle et al. | OFDM-WLAN receiver performance improvement using digital compensation techniques | |
KR100251586B1 (ko) | 디지탈 이동 통신 시스템에서의 수신 신호의 이득 자동 제어장치 | |
CN113708827B (zh) | Mf-tdma卫星通信系统返向链路的功率均衡规划方法 | |
KR100514088B1 (ko) | 중거리 고속 울트라-와이드 대역 무선 송수신기 | |
Mehrnia et al. | Minimum word-length requirements for MIMO-OFDM | |
CN100461786C (zh) | 短程无线网络中接收数据的自动增益控制方法 | |
JPH03254236A (ja) | マイクロ波多重無線送信装置 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
ASS | Succession or assignment of patent right |
Owner name: AOPU DISI CELLULAR TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: CLUSTER CO., LTD. Effective date: 20150122 Owner name: CLUSTER CO., LTD. Free format text: FORMER OWNER: ERICSSON TELEFON AB L M Effective date: 20150122 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TA01 | Transfer of patent application right |
Effective date of registration: 20150122 Address after: Texas, USA Applicant after: Telefonaktiebolaget LM Ericsson (publ) Address before: Delaware Applicant before: Clastres LLC Effective date of registration: 20150122 Address after: Delaware Applicant after: Clastres LLC Address before: Stockholm Applicant before: Telefonaktiebolaget LM Ericsson (publ) |
|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150325 Termination date: 20180515 |
|
CF01 | Termination of patent right due to non-payment of annual fee |