DE60039447D1 - Verfahren und Schaltung zur Bereitstellung des Signals eines lokalen Oszillators - Google Patents
Verfahren und Schaltung zur Bereitstellung des Signals eines lokalen OszillatorsInfo
- Publication number
- DE60039447D1 DE60039447D1 DE60039447T DE60039447T DE60039447D1 DE 60039447 D1 DE60039447 D1 DE 60039447D1 DE 60039447 T DE60039447 T DE 60039447T DE 60039447 T DE60039447 T DE 60039447T DE 60039447 D1 DE60039447 D1 DE 60039447D1
- Authority
- DE
- Germany
- Prior art keywords
- providing
- circuit
- signal
- local oscillator
- oscillator
- 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 - Lifetime
Links
Classifications
-
- 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
- H04B1/16—Circuits
- H04B1/26—Circuits for superheterodyne receivers
-
- 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
- H04B7/084—Equal gain combining, only phase adjustments
-
- 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
- H04B1/14—Automatic detuning arrangements
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B15/00—Suppression or limitation of noise or interference
- H04B15/02—Reducing interference from electric apparatus by means located at or near the interfering apparatus
- H04B15/04—Reducing interference from electric apparatus by means located at or near the interfering apparatus the interference being caused by substantially sinusoidal oscillations, e.g. in a receiver or in a tape-recorder
- H04B15/06—Reducing interference from electric apparatus by means located at or near the interfering apparatus the interference being caused by substantially sinusoidal oscillations, e.g. in a receiver or in a tape-recorder by local oscillators of receivers
-
- 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
- H04B7/0891—Space-time diversity
- H04B7/0894—Space-time diversity using different delays between antennas
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/0014—Carrier regulation
- H04L2027/0016—Stabilisation of local oscillators
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Radio Transmission System (AREA)
- Superheterodyne Receivers (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
- Circuits Of Receivers In General (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP26983199A JP3226906B2 (ja) | 1999-09-24 | 1999-09-24 | 局部発振信号供給方法およびその回路 |
PCT/JP2000/006494 WO2001022605A1 (fr) | 1999-09-24 | 2000-09-22 | Procede de fourniture de signaux d'oscillation locaux et circuit a cet effet |
Publications (1)
Publication Number | Publication Date |
---|---|
DE60039447D1 true DE60039447D1 (de) | 2008-08-21 |
Family
ID=17477797
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE60039447T Expired - Lifetime DE60039447D1 (de) | 1999-09-24 | 2000-09-22 | Verfahren und Schaltung zur Bereitstellung des Signals eines lokalen Oszillators |
Country Status (9)
Country | Link |
---|---|
US (1) | US7187723B1 (de) |
EP (1) | EP1223681B1 (de) |
JP (1) | JP3226906B2 (de) |
KR (1) | KR100446405B1 (de) |
CN (1) | CN1192493C (de) |
AU (1) | AU7319700A (de) |
BR (1) | BR0014617A (de) |
DE (1) | DE60039447D1 (de) |
WO (1) | WO2001022605A1 (de) |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5978379A (en) | 1997-01-23 | 1999-11-02 | Gadzoox Networks, Inc. | Fiber channel learning bridge, learning half bridge, and protocol |
US7430171B2 (en) | 1998-11-19 | 2008-09-30 | Broadcom Corporation | Fibre channel arbitrated loop bufferless switch circuitry to increase bandwidth without significant increase in cost |
AU2001259201A1 (en) * | 2000-04-28 | 2001-11-12 | Broadcom Corporation | High-speed serial data transceiver systems and related methods |
JP4187104B2 (ja) * | 2003-10-20 | 2008-11-26 | 京セラ株式会社 | 複数アンテナを備えた基地局装置 |
JP2005130279A (ja) * | 2003-10-24 | 2005-05-19 | Sharp Corp | ダイバーシティ受信用チューナ |
US20110159809A1 (en) * | 2009-12-30 | 2011-06-30 | Peter Kenington | Active antenna array with a single common clock and a method for relaying a plurality of radio signals |
KR101878875B1 (ko) * | 2011-12-26 | 2018-07-17 | 삼성전자주식회사 | 통신 기기에서 송신기의 켈리브레이션을 위한 장치 및 방법 |
US9252908B1 (en) | 2012-04-12 | 2016-02-02 | Tarana Wireless, Inc. | Non-line of sight wireless communication system and method |
US9735940B1 (en) | 2012-04-12 | 2017-08-15 | Tarana Wireless, Inc. | System architecture for optimizing the capacity of adaptive array systems |
US10110270B2 (en) * | 2013-03-14 | 2018-10-23 | Tarana Wireless, Inc. | Precision array processing using semi-coherent transceivers |
WO2014141573A1 (ja) * | 2013-03-15 | 2014-09-18 | ソニー株式会社 | 受信装置および電子機器 |
US10348394B1 (en) | 2014-03-14 | 2019-07-09 | Tarana Wireless, Inc. | System architecture and method for enhancing wireless networks with mini-satellites and pseudollites and adaptive antenna processing |
JP7091617B2 (ja) * | 2017-08-02 | 2022-06-28 | 富士通株式会社 | 光受信器、光伝送システム、及び受信処理方法 |
JP6768618B2 (ja) * | 2017-09-19 | 2020-10-14 | 株式会社東芝 | アレイアンテナ装置およびアレイアンテナ処理方法 |
CN111371466A (zh) * | 2020-03-09 | 2020-07-03 | 珠海格力电器股份有限公司 | 一种可提高单位时间通讯速率的通信方法、装置及*** |
CN113708785B (zh) * | 2021-09-15 | 2023-06-16 | 许昌学院 | 一种大数据网络传输抗干扰*** |
Family Cites Families (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS60148237A (ja) | 1984-01-13 | 1985-08-05 | Fujitsu Ltd | スペ−スダイバシテイ制御方式 |
US4715048A (en) * | 1986-05-02 | 1987-12-22 | Canadian Patents And Development Limited | Frequency offset diversity receiving system |
JPH0834451B2 (ja) | 1988-05-02 | 1996-03-29 | 松下電器産業株式会社 | ダイバシティ受信用周波数変換装置 |
JPH0810845B2 (ja) | 1988-08-31 | 1996-01-31 | 松下電器産業株式会社 | ワイヤレス受信装置 |
JP2795866B2 (ja) | 1989-01-20 | 1998-09-10 | 株式会社東芝 | アレイアンテナ装置 |
JPH03220803A (ja) | 1990-01-25 | 1991-09-30 | Nec Corp | アレイアンテナの局部信号給電回路 |
JP3091206B2 (ja) | 1990-07-31 | 2000-09-25 | 株式会社タムラ製作所 | 空間ダイバーシチ受信システム |
US5326476A (en) | 1991-04-19 | 1994-07-05 | Althin Medical, Inc. | Method and apparatus for kidney dialysis using machine with programmable memory |
JPH06177651A (ja) * | 1992-12-08 | 1994-06-24 | Uniden Corp | 周波数シンセサイザ |
EP0700116A3 (de) * | 1994-08-29 | 1998-01-07 | Atr Optical And Radio Communications Research Laboratories | Vorrichtung und Verfahren zur Steuerung einer Gruppenantenne mit einer Vielzahl von Antennenelementen für verbesserte einkommende Strahlverfolgung |
US5535441A (en) * | 1994-09-30 | 1996-07-09 | Hughes Electronics Corp. | Method and device for canceling frequency offsets |
US5788851A (en) | 1995-02-13 | 1998-08-04 | Aksys, Ltd. | User interface and method for control of medical instruments, such as dialysis machines |
JPH08340279A (ja) * | 1995-04-13 | 1996-12-24 | Sanyo Electric Co Ltd | スペクトル拡散通信方法及びその装置 |
US5620608A (en) | 1995-06-07 | 1997-04-15 | Cobe Laboratories, Inc. | Information entry validation system and method for a dialysis machine |
JPH09130361A (ja) | 1995-10-27 | 1997-05-16 | Sanyo Electric Co Ltd | 周波数変換装置 |
JPH1041816A (ja) * | 1996-07-24 | 1998-02-13 | Advantest Corp | 信号発生器 |
JP3450146B2 (ja) * | 1997-02-04 | 2003-09-22 | 三菱電機株式会社 | アダプティブアレーアンテナの指向性制御回路 |
JP3335953B2 (ja) | 1999-02-05 | 2002-10-21 | 埼玉日本電気株式会社 | 符号分割多元接続システムにおける基地局 |
-
1999
- 1999-09-24 JP JP26983199A patent/JP3226906B2/ja not_active Expired - Fee Related
-
2000
- 2000-09-22 DE DE60039447T patent/DE60039447D1/de not_active Expired - Lifetime
- 2000-09-22 KR KR10-2002-7003831A patent/KR100446405B1/ko not_active IP Right Cessation
- 2000-09-22 EP EP00961179A patent/EP1223681B1/de not_active Expired - Lifetime
- 2000-09-22 WO PCT/JP2000/006494 patent/WO2001022605A1/ja active IP Right Grant
- 2000-09-22 AU AU73197/00A patent/AU7319700A/en not_active Abandoned
- 2000-09-22 BR BR0014617-0A patent/BR0014617A/pt not_active IP Right Cessation
- 2000-09-22 CN CNB00816021XA patent/CN1192493C/zh not_active Expired - Fee Related
- 2000-09-22 US US10/088,689 patent/US7187723B1/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
EP1223681A4 (de) | 2007-03-14 |
JP2001094454A (ja) | 2001-04-06 |
US7187723B1 (en) | 2007-03-06 |
AU7319700A (en) | 2001-04-24 |
EP1223681A1 (de) | 2002-07-17 |
BR0014617A (pt) | 2002-06-18 |
KR20020035148A (ko) | 2002-05-09 |
CN1192493C (zh) | 2005-03-09 |
KR100446405B1 (ko) | 2004-09-01 |
JP3226906B2 (ja) | 2001-11-12 |
WO2001022605A1 (fr) | 2001-03-29 |
CN1391729A (zh) | 2003-01-15 |
EP1223681B1 (de) | 2008-07-09 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
DE60045597D1 (de) | Verfahren und Schaltung zur Erfassung eines Signals | |
DE60018060D1 (de) | Signalempfänger und verfahren zur kompensation der frequenzabweichung | |
DE60043504D1 (de) | Verfahren und gerät zur störungsunterdrückung eines signals | |
DE60039447D1 (de) | Verfahren und Schaltung zur Bereitstellung des Signals eines lokalen Oszillators | |
ATE446517T1 (de) | Verfahren und gerät zur erhöhung der empfindlichkeit eines gps empfängers | |
ATE408936T1 (de) | Gerät und verfahren zur bestimmung der quelle eines lokalsignals | |
DE60220300D1 (de) | Schaltung zur detektion eines taktsignalverlusts und verfahren dazu | |
DE60130315D1 (de) | Verfahren und Schaltung zur Reduzierung von Verluste eines Funksenders | |
DE60027123D1 (de) | Schaltung zur Komprimierung des dynamischen Bereich eines Signals | |
DE60015860D1 (de) | Taktrückgewinnungsschaltung und Verfahren zur Phasendetektion | |
DE69932136D1 (de) | Verfahren ond Schaltung zur linearisierung eines Funkempfängers | |
DE69623188D1 (de) | Verfahren und Einrichtung zur Frequenzspektrumbestimmung eines Signals | |
DE69935072D1 (de) | Verfahren, vorrichtung und system zur bestimmung der position von einem frequenzsynchronisationssignal | |
DE69834211D1 (de) | Vorrichtung und verfahren zur verminderung der amplitude von signalen | |
DE60140034D1 (de) | Verfahren und Vorrichtung zur Reduzierung der Amplitude der Nachbarfrequenzen | |
DE60031742D1 (de) | Schaltung und Verfahren zur Steuerung eines Taktsignals und synchrone Verzögerungsschaltung | |
DE69913110D1 (de) | Scaltung,system und verfahren zur verbesserung des dynamikbereichs eines empfängers bei anwesenheit eines schmalbandinterferenzsignals | |
DE69936324D1 (de) | Verfahren zur Herabsetzung von Störsignalen und Empfänger | |
DE50001023D1 (de) | Verfahren und schaltungsanordnung zur kontrastverbesserung eines bildes | |
DE69936988D1 (de) | Verfahren und vorrichtung zur änderung des frequenzbereichs eines funksendeempfängers | |
DE69807555D1 (de) | Verfahren und Vorrichtung zur Wiedergabe digitaler Signale | |
DE60029266D1 (de) | Verfahren und Vorrichtung zur Synchronisierung empfangener Signale | |
DE60114511D1 (de) | Verfahren und vorrichtung zur beseitigung von störsignalen | |
DE50008759D1 (de) | Verfahren und schaltungsanordnung zur regelung des abtasttakts eines phasenmodulierten signals | |
DE69223901D1 (de) | Verfahren und Schaltung zur Detektion des Vorhandenseins eines Burstsignals |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition |