NO20040369L - Diversitetsmottaker og kombinerer med selekterbar invertering og variabel forsterkning - Google Patents
Diversitetsmottaker og kombinerer med selekterbar invertering og variabel forsterkningInfo
- Publication number
- NO20040369L NO20040369L NO20040369A NO20040369A NO20040369L NO 20040369 L NO20040369 L NO 20040369L NO 20040369 A NO20040369 A NO 20040369A NO 20040369 A NO20040369 A NO 20040369A NO 20040369 L NO20040369 L NO 20040369L
- Authority
- NO
- Norway
- Prior art keywords
- signal
- strength
- combines
- combined output
- combiner
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/08—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/08—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
- H04B7/0837—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station using pre-detection combining
- H04B7/0842—Weighted combining
- H04B7/0848—Joint weighting
- H04B7/0857—Joint weighting using maximum ratio combining techniques, e.g. signal-to- interference ratio [SIR], received signal strenght indication [RSS]
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Radio Transmission System (AREA)
- Noise Elimination (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
- Circuits Of Receivers In General (AREA)
- Mobile Radio Communication Systems (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US30788901P | 2001-07-27 | 2001-07-27 | |
US10/068,120 US20030022648A1 (en) | 2001-07-27 | 2002-02-06 | Selectable inversion / variable gain combiner for diversity reception in RF transceivers |
PCT/CA2002/001150 WO2003013023A1 (en) | 2001-07-27 | 2002-07-26 | Reception diversity combiner with selectable inversion and variable gain |
Publications (1)
Publication Number | Publication Date |
---|---|
NO20040369L true NO20040369L (no) | 2004-03-26 |
Family
ID=26748596
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NO20040369A NO20040369L (no) | 2001-07-27 | 2004-01-27 | Diversitetsmottaker og kombinerer med selekterbar invertering og variabel forsterkning |
Country Status (10)
Country | Link |
---|---|
US (1) | US20030022648A1 (ja) |
EP (1) | EP1413069B1 (ja) |
JP (1) | JP2004537237A (ja) |
KR (1) | KR100946679B1 (ja) |
CN (1) | CN1555614B (ja) |
AT (1) | ATE386374T1 (ja) |
CA (1) | CA2455111A1 (ja) |
DE (1) | DE60225018T2 (ja) |
NO (1) | NO20040369L (ja) |
WO (1) | WO2003013023A1 (ja) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7088965B1 (en) * | 2002-01-08 | 2006-08-08 | Sprint Spectrum L.P. | Fractal antenna system and method for improved wireless telecommunications |
US8098683B2 (en) | 2004-10-06 | 2012-01-17 | Broadcom Corporation | Method and system for implementing a single weight (SW) single channel (SC) MIMO system with no insertion loss |
US8509703B2 (en) * | 2004-12-22 | 2013-08-13 | Broadcom Corporation | Wireless telephone with multiple microphones and multiple description transmission |
US7983720B2 (en) * | 2004-12-22 | 2011-07-19 | Broadcom Corporation | Wireless telephone with adaptive microphone array |
US20060133621A1 (en) * | 2004-12-22 | 2006-06-22 | Broadcom Corporation | Wireless telephone having multiple microphones |
US20070116300A1 (en) * | 2004-12-22 | 2007-05-24 | Broadcom Corporation | Channel decoding for wireless telephones with multiple microphones and multiple description transmission |
CN100441006C (zh) * | 2006-08-08 | 2008-12-03 | 华为技术有限公司 | 无线基站及控制接收通道的增益的方法 |
US7668525B2 (en) * | 2007-03-01 | 2010-02-23 | Delphi Technologies, Inc. | System and method of a stereo receiving system |
US8428661B2 (en) | 2007-10-30 | 2013-04-23 | Broadcom Corporation | Speech intelligibility in telephones with multiple microphones |
US9161798B2 (en) * | 2008-02-01 | 2015-10-20 | Dfine, Inc. | Bone treatment systems and methods |
US8348980B2 (en) | 2009-10-15 | 2013-01-08 | Biomet C.V. | Method and plate for fusing the medial column bones of the foot |
US8551107B2 (en) | 2009-10-15 | 2013-10-08 | Biomet, C.V. | Bending tool and method for reshaping a bone plate |
JP5474886B2 (ja) * | 2011-07-26 | 2014-04-16 | 日本電信電話株式会社 | 衛星通信システムの地球局装置および地球局装置制御方法 |
KR101595830B1 (ko) * | 2015-09-21 | 2016-02-24 | 대한민국 | 단파 통신 두절의 판단을 위한 단파 신호 모니터링 방법 및 장치 |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3737781A (en) * | 1971-09-15 | 1973-06-05 | Nasa | Signal-to-noise ratio determination circuit |
US3965422A (en) * | 1974-07-26 | 1976-06-22 | The United States Of America As Represented By The Secretary Of The Air Force | System channel distortion weighting for predetection combiners |
US4293955A (en) * | 1980-03-17 | 1981-10-06 | Telex Communications, Inc. | Diversity reception system |
NZ239733A (en) * | 1990-09-21 | 1994-04-27 | Ericsson Ge Mobile Communicat | Mobile telephone diversity reception with predetect signal combination |
US5203025A (en) * | 1990-11-09 | 1993-04-13 | Kovatel Communications, Ltd. | Selection circuit in a space diversity reception system for a mobile receiver |
JP3022194B2 (ja) * | 1994-09-02 | 2000-03-15 | 三菱電機株式会社 | ダイバーシチ受信装置 |
FI107851B (fi) * | 1996-05-22 | 2001-10-15 | Nokia Networks Oy | Menetelmä antennikeilan valitsemiseksi, tukiasema ja solukkoradiojärjestelmä |
JP3442262B2 (ja) * | 1996-06-07 | 2003-09-02 | シャープ株式会社 | ベースバンド信号歪に応答するagcシステム |
US6256484B1 (en) * | 1997-02-26 | 2001-07-03 | Telex Communications, Inc. | Diversity reception system |
JPH11220346A (ja) * | 1998-02-02 | 1999-08-10 | Fujitsu Ltd | 自動利得制御回路 |
-
2002
- 2002-02-06 US US10/068,120 patent/US20030022648A1/en not_active Abandoned
- 2002-07-26 EP EP02748525A patent/EP1413069B1/en not_active Expired - Lifetime
- 2002-07-26 JP JP2003518082A patent/JP2004537237A/ja not_active Withdrawn
- 2002-07-26 CA CA002455111A patent/CA2455111A1/en not_active Abandoned
- 2002-07-26 KR KR1020047001206A patent/KR100946679B1/ko not_active IP Right Cessation
- 2002-07-26 DE DE60225018T patent/DE60225018T2/de not_active Expired - Lifetime
- 2002-07-26 AT AT02748525T patent/ATE386374T1/de not_active IP Right Cessation
- 2002-07-26 CN CN028181921A patent/CN1555614B/zh not_active Expired - Lifetime
- 2002-07-26 WO PCT/CA2002/001150 patent/WO2003013023A1/en active IP Right Grant
-
2004
- 2004-01-27 NO NO20040369A patent/NO20040369L/no not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
KR20040030866A (ko) | 2004-04-09 |
US20030022648A1 (en) | 2003-01-30 |
DE60225018D1 (de) | 2008-03-27 |
DE60225018T2 (de) | 2009-02-26 |
EP1413069B1 (en) | 2008-02-13 |
EP1413069A1 (en) | 2004-04-28 |
CA2455111A1 (en) | 2003-02-13 |
WO2003013023A1 (en) | 2003-02-13 |
KR100946679B1 (ko) | 2010-03-12 |
CN1555614A (zh) | 2004-12-15 |
JP2004537237A (ja) | 2004-12-09 |
ATE386374T1 (de) | 2008-03-15 |
CN1555614B (zh) | 2010-05-26 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
NO20040369L (no) | Diversitetsmottaker og kombinerer med selekterbar invertering og variabel forsterkning | |
KR970013825A (ko) | 송신될 신호의 이득을 조정하는 송신장치 및 방법과, 수신신호의 이득을 조정하는 수신장치 및 방법(transmitting apparatus and method of adjusting gain of signal to be transmitted, and receiving apparatus and method of adjusting gain of received signal) | |
SE9903967D0 (sv) | Power control for wireless comunications system | |
DE60333596D1 (de) | Amps-empfängersystem mit einer null-zf-architektur | |
KR970707646A (ko) | 확산 스팩트럼 무선전송 디지털 이동통신장치(spread spectrum radio transmission digital mobile communication device) | |
WO1998057442A3 (en) | An arrangement and a method relating to a radio unit | |
JPWO2006093012A1 (ja) | ダイバーシティ受信装置及びその利得調整方法 | |
MY134155A (en) | Digital power amplifier | |
KR19980033998A (ko) | 무선 전송 시스템에서 공간 다이버시티를 적용한 수신 장치 및 방법 | |
DE60027208D1 (de) | Feststrahl-gruppenantenne, basisstation und verfahren zur signalübertragung über eine feststrahl-gruppenantenne | |
JP2000013163A (ja) | 電力増幅器 | |
WO2003081768A3 (en) | Improving the efficiency of power amplifiers in devices using transmit beamforming | |
JPH08130428A (ja) | 可変利得増幅器 | |
US20030197560A1 (en) | Dual gain amplification low noise amplifier | |
JPS61131625A (ja) | スペ−スダイバ−シチ受信方式 | |
MXPA05007301A (es) | Amplificador de banda ancha de rf controlable, con una impedancia de entrada constante. | |
KR20010040179A (ko) | 이동통신 단말기의 출력전력 제어장치 및 방법 | |
JPH02143720A (ja) | スペースダイバシティ受信方式 | |
JP2001186069A (ja) | 移動無線端末装置 | |
KR100485880B1 (ko) | 전력 증폭기 모듈 | |
JP2666854B2 (ja) | ダイバーシティ方式 | |
KR101966460B1 (ko) | 지능형 agc를 적용한 차량용 라디오 수신 장치 및 방법 | |
SU414748A1 (ja) | ||
JPS59111435A (ja) | フエ−ジングシミユレ−タ | |
KR20070013695A (ko) | 저전력 소비 알에프 프론트엔드 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
FC2A | Withdrawal, rejection or dismissal of laid open patent application |