ATE409982T1 - Verfahren und vorrichtung zur verringerung der scan-zeit bei einem funkempfänger - Google Patents
Verfahren und vorrichtung zur verringerung der scan-zeit bei einem funkempfängerInfo
- Publication number
- ATE409982T1 ATE409982T1 AT02705832T AT02705832T ATE409982T1 AT E409982 T1 ATE409982 T1 AT E409982T1 AT 02705832 T AT02705832 T AT 02705832T AT 02705832 T AT02705832 T AT 02705832T AT E409982 T1 ATE409982 T1 AT E409982T1
- Authority
- AT
- Austria
- Prior art keywords
- channel
- radio
- bandwidth
- scan time
- radio receiver
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
- H03J7/00—Automatic frequency control; Automatic scanning over a band of frequencies
- H03J7/18—Automatic scanning over a band of frequencies
- H03J7/20—Automatic scanning over a band of frequencies where the scanning is accomplished by varying the electrical characteristics of a non-mechanically adjustable element
- H03J7/28—Automatic scanning over a band of frequencies where the scanning is accomplished by varying the electrical characteristics of a non-mechanically adjustable element using counters or frequency dividers
- H03J7/285—Automatic scanning over a band of frequencies where the scanning is accomplished by varying the electrical characteristics of a non-mechanically adjustable element using counters or frequency dividers the counter or frequency divider being used in a phase locked loop
Landscapes
- Superheterodyne Receivers (AREA)
- Circuits Of Receivers In General (AREA)
- Noise Elimination (AREA)
- Geophysics And Detection Of Objects (AREA)
- Channel Selection Circuits, Automatic Tuning Circuits (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/764,037 US6480709B2 (en) | 2001-01-19 | 2001-01-19 | Method for reducing scan time in a radio receiver |
Publications (1)
Publication Number | Publication Date |
---|---|
ATE409982T1 true ATE409982T1 (de) | 2008-10-15 |
Family
ID=25069511
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT02705832T ATE409982T1 (de) | 2001-01-19 | 2002-01-16 | Verfahren und vorrichtung zur verringerung der scan-zeit bei einem funkempfänger |
Country Status (7)
Country | Link |
---|---|
US (1) | US6480709B2 (de) |
EP (1) | EP1356600B1 (de) |
CN (1) | CN100576755C (de) |
AT (1) | ATE409982T1 (de) |
DE (1) | DE60229107D1 (de) |
ES (1) | ES2314033T3 (de) |
WO (1) | WO2002058256A1 (de) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2862834B1 (fr) * | 2003-11-25 | 2006-03-10 | Sagem | Procede et dispositif de video-projection |
US8774327B2 (en) * | 2005-01-28 | 2014-07-08 | Broadcom Corporation | Adjustable RF receiver |
US7697891B2 (en) * | 2005-03-28 | 2010-04-13 | Graco Children's Products Inc. | Baby monitor system |
US20060276239A1 (en) * | 2005-06-02 | 2006-12-07 | Lam Man L | Direct conversion radio station operable pursuant to a coded squelch scheme and associated method |
US8045981B2 (en) * | 2005-08-18 | 2011-10-25 | Qualcomm Incorporated | System search to detect for a wireless communication network in a crowded frequency band |
US7965675B2 (en) * | 2005-08-22 | 2011-06-21 | Motorola Mobility, Inc. | System and method for detecting an unlicensed mobile alliance (UMA) service in GSM wireless communication networks |
US7899488B2 (en) * | 2006-07-31 | 2011-03-01 | Motorola Mobility, Inc. | Method and apparatus for extending network discovery range |
US8725142B1 (en) | 2006-10-31 | 2014-05-13 | Marvell International Ltd. | Channel scanning method and apparatus |
US7593372B2 (en) * | 2007-01-05 | 2009-09-22 | Motorola, Inc. | Method and radio device for scanning a wireless communications channel |
US20130343284A1 (en) * | 2010-09-29 | 2013-12-26 | Unication Group/Unication Co., LTD. | Method for members of emergency rescue group utilizing radios to transmit compound files containing compressed photo/text/voice data of an emergency event site directly or through signal repeater to console for reappearance of the event site |
US9154184B2 (en) * | 2012-03-22 | 2015-10-06 | Elster Solutions, Llc | Synchronous frequency hopping spread spectrum communications |
CN104378105B (zh) * | 2014-10-08 | 2017-10-03 | 中国电子科技集团公司第四十一研究所 | 一种基于全程锁相技术的提高接收机扫描速度的方法 |
EP3524031B1 (de) * | 2016-10-07 | 2021-11-24 | LG Electronics Inc. | Verfahren und vorrichtung zur unterstützung eines energiesparenden mechanismus für nr in einem drahtloskommunikationssystem |
CN109219075B (zh) * | 2018-10-09 | 2022-05-10 | 深圳创维数字技术有限公司 | 一种无线信道扫描方法、装置、终端及存储介质 |
CN110996401B (zh) * | 2019-12-02 | 2022-04-26 | 锐捷网络股份有限公司 | 一种确定空闲信道的方法、装置及设备 |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4365349A (en) * | 1980-02-01 | 1982-12-21 | Nippon Gakki Seizo Kabushiki Kaisha | Radio receiver having phase locked loop and automatic frequency control loop for stably maintaining local oscillator frequency of voltage-controlled local oscillator |
JP2676766B2 (ja) | 1988-03-04 | 1997-11-17 | 松下電器産業株式会社 | 無線通信機 |
US5058204A (en) * | 1989-08-02 | 1991-10-15 | Motorola, Inc. | Synthesized selective call receiver having variable characteristics |
US5701598A (en) * | 1990-09-14 | 1997-12-23 | Atkinson; Noel D. | Scanning receiver with direct digital frequency synthesis and digital signal processing |
JP2723448B2 (ja) | 1993-06-02 | 1998-03-09 | ユニデン株式会社 | 無線受信機の選局方法および高速走査無線受信機 |
CA2125468C (en) * | 1993-06-28 | 1998-04-21 | Danny Thomas Pinckley | Method of selectively reducing spectral components in a wideband radio frequency signal |
US5511235A (en) * | 1994-05-02 | 1996-04-23 | Motorola, Inc. | Apparatus for detecting a signaling channel during scanning including a controlled frequency converter circuit and a controlled filter bandwidth, and a method therefor |
US5809419A (en) | 1994-12-14 | 1998-09-15 | Motorola, Inc. | Method for reducing channel scanning time |
US5799241A (en) | 1995-01-27 | 1998-08-25 | Matsushita Electric Industrial Co., Ltd. | Radio apparatus |
JPH10276125A (ja) * | 1997-03-28 | 1998-10-13 | Matsushita Electric Ind Co Ltd | 移動無線受信装置 |
US5894592A (en) * | 1997-04-17 | 1999-04-13 | Motorala, Inc. | Wideband frequency synthesizer for direct conversion transceiver |
-
2001
- 2001-01-19 US US09/764,037 patent/US6480709B2/en not_active Expired - Lifetime
-
2002
- 2002-01-16 WO PCT/US2002/001389 patent/WO2002058256A1/en not_active Application Discontinuation
- 2002-01-16 CN CN02803958A patent/CN100576755C/zh not_active Expired - Fee Related
- 2002-01-16 ES ES02705832T patent/ES2314033T3/es not_active Expired - Lifetime
- 2002-01-16 EP EP02705832A patent/EP1356600B1/de not_active Expired - Lifetime
- 2002-01-16 DE DE60229107T patent/DE60229107D1/de not_active Expired - Lifetime
- 2002-01-16 AT AT02705832T patent/ATE409982T1/de not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
US6480709B2 (en) | 2002-11-12 |
ES2314033T3 (es) | 2009-03-16 |
EP1356600A4 (de) | 2004-04-07 |
CN100576755C (zh) | 2009-12-30 |
EP1356600A1 (de) | 2003-10-29 |
CN1488197A (zh) | 2004-04-07 |
US20020098819A1 (en) | 2002-07-25 |
EP1356600B1 (de) | 2008-10-01 |
DE60229107D1 (de) | 2008-11-13 |
WO2002058256A1 (en) | 2002-07-25 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
ATE409982T1 (de) | Verfahren und vorrichtung zur verringerung der scan-zeit bei einem funkempfänger | |
DE69938980D1 (de) | Empfänger und ähnliches Verfahren verwendet in einem Mobilfunkkommunikationssystem zur Beobachtung von Frequenzen in einem anderen System | |
ATE425598T1 (de) | Verfahren zur integration von funk-netzen und entsprechende vorrichtung | |
GB2399261B (en) | Apparatus and method for a digital,wideband,intercept and analysis processor for frequency hopping signals | |
DE19580065D2 (de) | Verfahren und Vorrichtung zur Erfassung lebender Körper | |
EP1551199A3 (de) | Verfahren und System zur Interferenzdetektion | |
DE69030892D1 (de) | Vorrichtung und Verfahren zur Frequenzsteuerung für einen digitalen Funkempfänger | |
WO2004045225A3 (en) | Method and apparatus for supporting user mobility in a communication system | |
DE68920892D1 (de) | Verfahren und Vorrichtung zur Funkfrequenzumschaltung. | |
WO2004038432A3 (en) | High bandwidth real time oscilloscope | |
AU2002239988A1 (en) | Method for scan testing of digital circuit, digital circuit and program product | |
EP0580243A3 (de) | Schmalbandinterferenzfrequenzausschnittverfahren und Anordnung für Spreizspektumübertragung | |
GB0323830D0 (en) | Communication apparatus and method for processing radio frequency signals | |
AU2001269406A1 (en) | Method and apparatus for testing and training cognitive ability | |
DE60124199D1 (de) | Verfahren zum Empfang von Radiofrequenzsignalen und Diversity-Empfänger-Gerät | |
EP1542405A3 (de) | Zugangspunktauswahl mittels Kanalkorrelation in einem drahtlosen Kommunikationssystem | |
WO1998029961A3 (en) | A cellular radio system and a method for measuring the interference level | |
DE60036556D1 (de) | Empfänger, Sende-Empfänger, Funkeinheit und Verfahren zur Telekommunikation | |
DE69833831D1 (de) | Funkempfänger und Verfahren zum Einstellen der in diesem Funkempfänger verwendeten Abstimmfrequenz | |
DE50209666D1 (de) | Antennenanschlussanordnung, antennensignalsplitter und verfahren zur empfangsfrequenzsteuerung | |
ATE385626T1 (de) | Verfahren und schaltung zur automatischen abstimmung in einem fm-rundfunkempfänger | |
DE68919279D1 (de) | Anordnung und Verfahren zur Behandlung von gleichzeitigen Radio-Frequenz-Signalen. | |
DE3786027D1 (de) | Verfahren zur emissionsanalyse mit induktionsgekoppeltem radiofrequenzplasma und vorrichtung zu diesem verfahren. | |
DE60134038D1 (de) | Verfahren und vorrichtung zum empfang eines amplitudenmodulierten funksignals | |
ATE389302T1 (de) | Verfahren für messungen in einem drahtlosen endgerät und drahtloses endgerät |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
RER | Ceased as to paragraph 5 lit. 3 law introducing patent treaties |