JP2001505026A - 干渉する受信機イミュニティを増大させる方法および装置 - Google Patents
干渉する受信機イミュニティを増大させる方法および装置Info
- Publication number
- JP2001505026A JP2001505026A JP54859698A JP54859698A JP2001505026A JP 2001505026 A JP2001505026 A JP 2001505026A JP 54859698 A JP54859698 A JP 54859698A JP 54859698 A JP54859698 A JP 54859698A JP 2001505026 A JP2001505026 A JP 2001505026A
- Authority
- JP
- Japan
- Prior art keywords
- power
- signal
- gain
- threshold
- amplifier
- 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.)
- Granted
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/04—TPC
- H04W52/52—TPC using AGC [Automatic Gain Control] circuits or amplifiers
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- 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
- H04B1/06—Receivers
- H04B1/10—Means associated with receiver for limiting or suppressing noise or interference
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F2203/00—Indexing scheme relating to amplifiers with only discharge tubes or only semiconductor devices as amplifying elements covered by H03F3/00
- H03F2203/72—Indexing scheme relating to gated amplifiers, i.e. amplifiers which are rendered operative or inoperative by means of a control signal
- H03F2203/7239—Indexing scheme relating to gated amplifiers, i.e. amplifiers which are rendered operative or inoperative by means of a control signal the gated amplifier being switched on or off by putting into parallel or not, by choosing between amplifiers and shunting lines by one or more switch(es)
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Noise Elimination (AREA)
- Circuits Of Receivers In General (AREA)
- Superheterodyne Receivers (AREA)
- Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
- Stereo-Broadcasting Methods (AREA)
- Peptides Or Proteins (AREA)
- Amplifiers (AREA)
Abstract
Description
Claims (1)
- 【特許請求の範囲】 1.増幅器を備え、電力を有する信号を受信する回路の利得調整方法であって、 前記信号の電力を測定する工程と; 前記測定した信号の電力と第1閾値とを比較する工程と; 前記測定した信号の電力が前記第1閾値を越えた場合、前記増幅器の利得を所 定期間減少させる工程と; 前記信号の電力を再測定する工程と; 前記測定した信号の電力と第2閾値とを比較する工程と; 前記増幅器の前記利得を変化させる工程と; 前記信号の電力の変化を検出する工程と; 前記測定した信号の電力が前記第2閾値未満であり、且つ検出された変化が所 定量未満であった時に前記増幅器の前記利得を増加させる工程と;よりなること を特徴とする方法。 2.前記増幅器は高利得セッティングと低利得セッティングとを有し、前記利得 を減少させる工程は前記増幅器を前記低利得セッティングに切り替える工程を有 し、前記利得を増加させる工程は前記増幅器を前記高利得セッティングに切り替 える工程を有することを特徴とする、請求項1記載の方法。 3.前記測定した信号の電力が前記第2閾値以上の場合、あるいは前記検出され た変化が前記所定量以上の場合に、前記所定期間の間、前記増幅器を前記低利得 セッティングに切り替える工程を更に有することを特徴とする、請求項2記載の 方法。 4.前記第1閾値は前記第2閾値より大きいことを特徴とする、請求項3記載の 方法。 5.前記増幅器は固定利得増幅器であり、前記低利得セッティングは略ゼロ利得 であることを特徴とする、請求項3記載の方法。 6.固定利得増幅器を有する受信回路の利得を変化させる方法であっ て、 信号を受信する工程と; 前記受信信号を前記固定利得増幅器で増幅させる工程と; 前記増幅された信号の増幅信号電力を測定する工程と; 前記測定された増幅信号電力を第1閾値と比較する工程と; 前記測定された増幅信号電力が前記第1閾値より大きい時に、第1所定期間の 間前記固定利得増幅器が前記受信信号を増幅するのを防止する工程と; 前記第1所定期間の経過後、前記受信信号の非増幅信号電力を測定する工程と ; 前記測定された非増幅信号電力を第2閾値と比較する工程と; 前記受信信号を前記増幅器で第2所定期間の間再度増幅させる工程と; 再度増幅された前記信号の電力を測定する工程と; 前記測定された非増幅信号電力と再度増幅された信号電力との差を検出する工 程と; 前記測定された非増幅信号電力が第2閾値未満であり、且つ前記検出された差 が所定量未満であった時に、前記増幅工程を繰り返す工程と;よりなることを特 徴とする方法。 7.前記測定された非増幅信号電力が前記第2閾値以上であり、前記検出された 差が前記所定量以上であった時に、前記第1所定期間の間、前記固定利得増幅器 が前記受信信号を増幅させるのを防止する工程を更に有することを特徴とする、 請求項6記載の方法。 8.前記第1閾値は前記第2閾値より大きいことを特徴とする、請求項7記載の 方法。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/723,491 US5722061A (en) | 1994-12-16 | 1996-09-30 | Method and apparatus for increasing receiver immunity to interference |
PCT/US1997/016270 WO1999029047A1 (en) | 1996-09-30 | 1997-09-30 | Method and apparatus for increasing receiver immunity to interference |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2001505026A true JP2001505026A (ja) | 2001-04-10 |
JP2001505026A5 JP2001505026A5 (ja) | 2006-01-05 |
JP4463332B2 JP4463332B2 (ja) | 2010-05-19 |
Family
ID=26792759
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP54859698A Expired - Lifetime JP4463332B2 (ja) | 1996-09-30 | 1997-09-30 | 干渉する受信機イミュニティを増大させる方法および装置 |
Country Status (17)
Country | Link |
---|---|
EP (1) | EP1020041B1 (ja) |
JP (1) | JP4463332B2 (ja) |
KR (1) | KR100432209B1 (ja) |
AT (1) | ATE264028T1 (ja) |
AU (1) | AU742121B2 (ja) |
BR (1) | BR9712974A (ja) |
CA (1) | CA2275115A1 (ja) |
DE (1) | DE69728573T2 (ja) |
DK (1) | DK1020041T3 (ja) |
ES (1) | ES2222502T3 (ja) |
FI (1) | FI990710A (ja) |
HK (1) | HK1031280A1 (ja) |
IL (1) | IL129261A (ja) |
MX (1) | MXPA99003034A (ja) |
NO (1) | NO991578L (ja) |
RU (1) | RU2211532C2 (ja) |
WO (1) | WO1999029047A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007534275A (ja) * | 2004-04-22 | 2007-11-22 | キョウセラ ワイヤレス コープ. | 受信器ゲインスイッチポイントを適合的に制御するためのシステムおよび方法 |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6801760B2 (en) * | 2000-08-08 | 2004-10-05 | Qualcomm Incorporated | Control of receiver immunity to interference by controlling linearity |
KR100531839B1 (ko) * | 2001-09-20 | 2005-11-30 | 엘지전자 주식회사 | 씨디엠에이 단말기의 수신편차 보정방법 |
KR20030031377A (ko) * | 2001-10-15 | 2003-04-21 | 삼성전자주식회사 | 이동통신 단말장치 수신기 |
FI115808B (fi) | 2002-07-12 | 2005-07-15 | Filtronic Comtek Oy | Pienikohinaisen vahvistimen ohitusjärjestely |
US7418244B2 (en) * | 2003-08-04 | 2008-08-26 | Analog Devices, Inc. | Radio transmitter with accurate power control |
US8090327B2 (en) * | 2008-12-02 | 2012-01-03 | Broadcom Corporation | Configurable baseband processing for receiver and transmitter and methods for use therewith |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4870372A (en) * | 1988-05-20 | 1989-09-26 | At&E Corporation | AGC delay on an integrated circuit |
JP2546347B2 (ja) * | 1988-08-15 | 1996-10-23 | 日本電気株式会社 | 無線送受信装置 |
US5001776A (en) * | 1988-10-27 | 1991-03-19 | Motorola Inc. | Communication system with adaptive transceivers to control intermodulation distortion |
-
1997
- 1997-09-30 DE DE69728573T patent/DE69728573T2/de not_active Expired - Lifetime
- 1997-09-30 DK DK97909848T patent/DK1020041T3/da active
- 1997-09-30 BR BR9712974-7A patent/BR9712974A/pt not_active Application Discontinuation
- 1997-09-30 WO PCT/US1997/016270 patent/WO1999029047A1/en active IP Right Grant
- 1997-09-30 JP JP54859698A patent/JP4463332B2/ja not_active Expired - Lifetime
- 1997-09-30 ES ES97909848T patent/ES2222502T3/es not_active Expired - Lifetime
- 1997-09-30 EP EP97909848A patent/EP1020041B1/en not_active Expired - Lifetime
- 1997-09-30 IL IL12926197A patent/IL129261A/xx not_active IP Right Cessation
- 1997-09-30 AU AU47356/97A patent/AU742121B2/en not_active Expired
- 1997-09-30 RU RU99109000/09A patent/RU2211532C2/ru active
- 1997-09-30 MX MXPA99003034A patent/MXPA99003034A/es active IP Right Grant
- 1997-09-30 AT AT97909848T patent/ATE264028T1/de active
- 1997-09-30 CA CA002275115A patent/CA2275115A1/en not_active Abandoned
- 1997-09-30 KR KR10-1999-7003105A patent/KR100432209B1/ko active IP Right Grant
-
1999
- 1999-03-30 FI FI990710A patent/FI990710A/fi not_active Application Discontinuation
- 1999-03-30 NO NO991578A patent/NO991578L/no unknown
-
2001
- 2001-01-12 HK HK01100350A patent/HK1031280A1/xx not_active IP Right Cessation
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007534275A (ja) * | 2004-04-22 | 2007-11-22 | キョウセラ ワイヤレス コープ. | 受信器ゲインスイッチポイントを適合的に制御するためのシステムおよび方法 |
Also Published As
Publication number | Publication date |
---|---|
KR20000049037A (ko) | 2000-07-25 |
IL129261A0 (en) | 2001-04-30 |
EP1020041B1 (en) | 2004-04-07 |
BR9712974A (pt) | 2002-01-02 |
AU4735697A (en) | 1999-06-16 |
FI990710A0 (fi) | 1999-03-30 |
DE69728573T2 (de) | 2005-03-31 |
KR100432209B1 (ko) | 2004-05-20 |
DK1020041T3 (da) | 2004-08-02 |
HK1031280A1 (en) | 2001-06-08 |
DE69728573D1 (de) | 2004-05-13 |
ES2222502T3 (es) | 2005-02-01 |
NO991578L (no) | 1999-05-28 |
RU2211532C2 (ru) | 2003-08-27 |
CA2275115A1 (en) | 1999-06-10 |
IL129261A (en) | 2003-09-17 |
EP1020041A1 (en) | 2000-07-19 |
MXPA99003034A (es) | 2005-07-25 |
WO1999029047A1 (en) | 1999-06-10 |
JP4463332B2 (ja) | 2010-05-19 |
NO991578D0 (no) | 1999-03-30 |
AU742121B2 (en) | 2001-12-20 |
FI990710A (fi) | 1999-03-30 |
ATE264028T1 (de) | 2004-04-15 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
EP0797873B1 (en) | Method and apparatus for increasing receiver immunity to interference | |
US5722061A (en) | Method and apparatus for increasing receiver immunity to interference | |
JP2001505026A (ja) | 干渉する受信機イミュニティを増大させる方法および装置 | |
CN1103135C (zh) | 用于增加接收机抗干扰性的方法和装置 |
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