CN1354912A - 在中继器中稳定边际确定的方法和装置 - Google Patents
在中继器中稳定边际确定的方法和装置 Download PDFInfo
- Publication number
- CN1354912A CN1354912A CN00808556A CN00808556A CN1354912A CN 1354912 A CN1354912 A CN 1354912A CN 00808556 A CN00808556 A CN 00808556A CN 00808556 A CN00808556 A CN 00808556A CN 1354912 A CN1354912 A CN 1354912A
- Authority
- CN
- China
- Prior art keywords
- repeater
- stability margin
- output
- input
- 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.)
- Granted
Links
Images
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/14—Relay systems
- H04B7/15—Active relay systems
- H04B7/155—Ground-based stations
- H04B7/15564—Relay station antennae loop interference reduction
- H04B7/15578—Relay station antennae loop interference reduction by gain adjustment
-
- 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
- H04B1/60—Supervising unattended repeaters
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/40—Monitoring; Testing of relay systems
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/14—Relay systems
- H04B7/15—Active relay systems
- H04B7/155—Ground-based stations
- H04B7/15528—Control of operation parameters of a relay station to exploit the physical medium
- H04B7/15535—Control of relay amplifier gain
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Radio Relay Systems (AREA)
- Monitoring And Testing Of Transmission In General (AREA)
- Mobile Radio Communication Systems (AREA)
- Dc Digital Transmission (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
Abstract
Description
Claims (10)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE9902212-1 | 1999-06-11 | ||
SE9902212A SE516753C2 (sv) | 1999-06-11 | 1999-06-11 | Metod och anordning för bestämning av stabilitetsmarginal i en repeater |
SE99022121 | 1999-06-11 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1354912A true CN1354912A (zh) | 2002-06-19 |
CN1188954C CN1188954C (zh) | 2005-02-09 |
Family
ID=20416042
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB008085560A Expired - Fee Related CN1188954C (zh) | 1999-06-11 | 2000-05-18 | 在中继器中稳定边际确定的方法和装置 |
Country Status (7)
Country | Link |
---|---|
US (2) | US6745007B1 (zh) |
EP (1) | EP1186112B1 (zh) |
CN (1) | CN1188954C (zh) |
AU (1) | AU5856600A (zh) |
DE (1) | DE60042205D1 (zh) |
SE (1) | SE516753C2 (zh) |
WO (1) | WO2000077941A1 (zh) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1736042B (zh) * | 2002-12-05 | 2011-03-09 | 高通股份有限公司 | 无线通信系统中设置直放站的反向链路增益的系统和方法 |
CN101641881B (zh) * | 2007-03-02 | 2014-01-29 | 高通股份有限公司 | 结合同频信道中继器使用自适应天线阵列以改善信号质量 |
CN110352570A (zh) * | 2017-02-02 | 2019-10-18 | 威尔逊电子有限责任公司 | 具有频谱相邻频带的信号增强器 |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20040156097A1 (en) * | 2003-02-06 | 2004-08-12 | Spotwave Wireless Inc. | Intelligent gain control in an on-frequency repeater |
US7613232B2 (en) | 2003-06-30 | 2009-11-03 | Axel Wireless Ltd. | Method for automatic control of RF output level of a repeater |
US20060034351A1 (en) * | 2004-08-13 | 2006-02-16 | Spotwave Wireless Inc. | Monitoring stability of an on-frequency repeater |
US7596352B2 (en) * | 2004-08-23 | 2009-09-29 | Samsung Electronics Co., Ltd. | Apparatus and method for channel estimation and echo cancellation in a wireless repeater |
GB0510385D0 (en) * | 2005-05-20 | 2005-06-29 | British Broadcasting Corp | Improvements relating to on-channel repeaters |
US7865159B2 (en) * | 2006-01-27 | 2011-01-04 | Qualcomm Incorporated | Repeater rise-over-thermal (RoT) value calibration |
JP2008179131A (ja) * | 2006-12-26 | 2008-08-07 | Ricoh Co Ltd | 画像処理方法及び画像処理装置 |
JP4580950B2 (ja) * | 2007-03-14 | 2010-11-17 | 株式会社東芝 | 半導体集積回路 |
WO2009046226A1 (en) * | 2007-10-02 | 2009-04-09 | Intelligent Wireless Products, Inc. | Wireless to wireless signal amplification with gain optimization and oscillation prevention |
US8135339B2 (en) * | 2008-12-31 | 2012-03-13 | Andrew Llc | System and method for feedback cancellation in repeaters |
US8472881B2 (en) * | 2009-03-31 | 2013-06-25 | Karl Frederick Scheucher | Communication system apparatus and method |
US20130078907A1 (en) * | 2011-09-23 | 2013-03-28 | Qualcomm Incorporated | Per carrier gain control in a multi-carrier repeater |
CA2814303A1 (en) | 2013-04-26 | 2014-10-26 | Cellphone-Mate, Inc. | Apparatus and methods for radio frequency signal boosters |
US20170244497A1 (en) * | 2015-10-16 | 2017-08-24 | Solid RF Communication, Co., Ltd. | Detection of oscillations in signal amplifiers |
Family Cites Families (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4317217A (en) | 1980-08-11 | 1982-02-23 | Motorola, Inc. | Tag generator for a same-frequency repeater |
US4383331A (en) | 1981-07-02 | 1983-05-10 | Motorola, Inc. | Method and means of preventing oscillations in a same-frequency repeater |
US4562436A (en) * | 1982-07-16 | 1985-12-31 | At&T Bell Laboratories | Data communication network |
US4776032A (en) | 1985-05-15 | 1988-10-04 | Nippon Telegraph And Telephone Corporation | Repeater for a same frequency with spillover measurement |
US5115514A (en) | 1987-08-03 | 1992-05-19 | Orion Industries, Inc. | Measuring and controlling signal feedback between the transmit and receive antennas of a communications booster |
US5095528A (en) | 1988-10-28 | 1992-03-10 | Orion Industries, Inc. | Repeater with feedback oscillation control |
AU672054B2 (en) * | 1992-12-30 | 1996-09-19 | Radio Communication Systems Ltd. | Bothway RF repeater for personal communications systems |
US5455968A (en) * | 1993-10-04 | 1995-10-03 | Motorola, Inc. | Variable power amplifier |
US5697052A (en) * | 1995-07-05 | 1997-12-09 | Treatch; James E. | Cellular specialized mobile radio system |
US5802452A (en) * | 1996-01-17 | 1998-09-01 | Gte Government Systems Corporation | Multiple channel radio frequency repeater |
SE511385C2 (sv) | 1996-03-04 | 1999-09-20 | Allgon Ab | Sätt och anordning för övervakning av en mobiltelefonrepeater |
US5930682A (en) * | 1996-04-19 | 1999-07-27 | Lgc Wireless, Inc. | Centralized channel selection in a distributed RF antenna system |
DE19649855B4 (de) * | 1996-12-02 | 2004-08-05 | T-Mobile Deutschland Gmbh | Repeater für Funksignale |
US5835848A (en) * | 1996-12-30 | 1998-11-10 | Lucent Technologies Inc. | Range repeater for a transmission system |
EP0905914A3 (en) | 1997-08-27 | 2000-04-05 | Shin-A Telecom | Apparatus for cancelling radio frequency interference between transmitting antenna and receiving antenna, repeating system and transmitting and receiving system using the same |
US6259682B1 (en) * | 1997-11-25 | 2001-07-10 | Uniden America Corporation | Closed loop transmitter with improved stability and accuracy over a wide range of power levels having means for maintaining constant loop gain |
US6469984B1 (en) * | 1999-06-24 | 2002-10-22 | Qualcomm Incorporated | Method and system for monitoring traffic on a code division multiple access repeater |
US6731904B1 (en) * | 1999-07-20 | 2004-05-04 | Andrew Corporation | Side-to-side repeater |
-
1999
- 1999-06-11 SE SE9902212A patent/SE516753C2/sv not_active IP Right Cessation
-
2000
- 2000-04-04 US US09/542,951 patent/US6745007B1/en not_active Expired - Lifetime
- 2000-05-18 AU AU58566/00A patent/AU5856600A/en not_active Abandoned
- 2000-05-18 CN CNB008085560A patent/CN1188954C/zh not_active Expired - Fee Related
- 2000-05-18 DE DE60042205T patent/DE60042205D1/de not_active Expired - Lifetime
- 2000-05-18 WO PCT/SE2000/000999 patent/WO2000077941A1/en active Application Filing
- 2000-05-18 EP EP00944474A patent/EP1186112B1/en not_active Expired - Lifetime
-
2004
- 2004-02-03 US US10/769,764 patent/US7398053B2/en not_active Expired - Lifetime
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1736042B (zh) * | 2002-12-05 | 2011-03-09 | 高通股份有限公司 | 无线通信系统中设置直放站的反向链路增益的系统和方法 |
CN101641881B (zh) * | 2007-03-02 | 2014-01-29 | 高通股份有限公司 | 结合同频信道中继器使用自适应天线阵列以改善信号质量 |
CN110352570A (zh) * | 2017-02-02 | 2019-10-18 | 威尔逊电子有限责任公司 | 具有频谱相邻频带的信号增强器 |
Also Published As
Publication number | Publication date |
---|---|
US20040209568A1 (en) | 2004-10-21 |
SE9902212D0 (sv) | 1999-06-11 |
US6745007B1 (en) | 2004-06-01 |
EP1186112A1 (en) | 2002-03-13 |
US7398053B2 (en) | 2008-07-08 |
AU5856600A (en) | 2001-01-02 |
SE516753C2 (sv) | 2002-02-26 |
CN1188954C (zh) | 2005-02-09 |
DE60042205D1 (de) | 2009-06-25 |
EP1186112B1 (en) | 2009-05-13 |
WO2000077941A1 (en) | 2000-12-21 |
SE9902212L (sv) | 2000-12-12 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C06 | Publication | ||
PB01 | Publication | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C41 | Transfer of patent application or patent right or utility model | ||
C56 | Change in the name or address of the patentee | ||
CP01 | Change in the name or title of a patent holder |
Address after: Swedish tibbers Patentee after: Power wave Sweden Address before: Swedish tibbers Patentee before: Allgon AB |
|
TR01 | Transfer of patent right |
Effective date of registration: 20160728 Address after: California, USA Patentee after: INTEL Corp. Address before: Luxemburg Luxemburg Patentee before: POWERWAVE TECHNOLOGIES, Inc. Effective date of registration: 20160728 Address after: Luxemburg Luxemburg Patentee after: POWERWAVE TECHNOLOGIES, Inc. Address before: California, USA Patentee before: P-wave holding LLC Effective date of registration: 20160728 Address after: California, USA Patentee after: P-wave holding LLC Address before: California, USA Patentee before: POWERWAVE TECHNOLOGIES, Inc. Effective date of registration: 20160728 Address after: California, USA Patentee after: POWERWAVE TECHNOLOGIES, Inc. Address before: Sweden xisita Patentee before: POWERWAVE TECHNOLOGIES SWEDEN AB Effective date of registration: 20160728 Address after: Sweden xisita Patentee after: POWERWAVE TECHNOLOGIES SWEDEN AB Address before: Swedish tibbers Patentee before: Power wave Sweden |
|
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: 20050209 Termination date: 20170518 |