DE69731031D1 - Verfahren und Vorrichtung zur Taktresynchronisierung eines Funksystems - Google Patents
Verfahren und Vorrichtung zur Taktresynchronisierung eines FunksystemsInfo
- Publication number
- DE69731031D1 DE69731031D1 DE69731031T DE69731031T DE69731031D1 DE 69731031 D1 DE69731031 D1 DE 69731031D1 DE 69731031 T DE69731031 T DE 69731031T DE 69731031 T DE69731031 T DE 69731031T DE 69731031 D1 DE69731031 D1 DE 69731031D1
- Authority
- DE
- Germany
- Prior art keywords
- radio system
- clock resynchronization
- resynchronization
- clock
- radio
- 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
- H04J—MULTIPLEX COMMUNICATION
- H04J3/00—Time-division multiplex systems
- H04J3/02—Details
- H04J3/06—Synchronising arrangements
- H04J3/0602—Systems characterised by the synchronising information used
- H04J3/0605—Special codes used as synchronising signal
- H04J3/0608—Detectors therefor, e.g. correlators, state machines
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
- H04M1/724—User interfaces specially adapted for cordless or mobile telephones
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
- H04M1/725—Cordless telephones
- H04M1/72502—Cordless telephones with one base station connected to a single line
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M2250/00—Details of telephonic subscriber devices
- H04M2250/08—Details of telephonic subscriber devices home cordless telephone systems using the DECT standard
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Human Computer Interaction (AREA)
- Mobile Radio Communication Systems (AREA)
- Synchronisation In Digital Transmission Systems (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB9614587A GB2315194B (en) | 1996-07-11 | 1996-07-11 | Method and apparatus for resynchronizing two system clocks |
GB9614587 | 1996-07-11 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69731031D1 true DE69731031D1 (de) | 2004-11-11 |
DE69731031T2 DE69731031T2 (de) | 2006-03-02 |
Family
ID=10796747
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69731031T Expired - Lifetime DE69731031T2 (de) | 1996-07-11 | 1997-06-30 | Verfahren und Vorrichtung zur Taktresynchronisierung eines Funksystems |
Country Status (4)
Country | Link |
---|---|
US (1) | US6111927A (de) |
EP (1) | EP0818910B1 (de) |
DE (1) | DE69731031T2 (de) |
GB (1) | GB2315194B (de) |
Families Citing this family (37)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2320398B (en) * | 1996-12-12 | 2001-11-14 | Nec Technologies | Time base alignment for digital mobile phones |
US6016312A (en) * | 1997-02-28 | 2000-01-18 | Motorola, Inc. | Radiotelephone and method for clock calibration for slotted paging mode in a CDMA radiotelephone system |
FR2791217B1 (fr) * | 1999-03-18 | 2001-06-01 | Sagem | Procede de veille dans un telephone mobile |
FR2791853B1 (fr) * | 1999-04-01 | 2001-05-25 | Sagem | Appareil mobile et procede de gestion d'un mode de veille dans un tel appareil mobile |
US7031271B1 (en) | 1999-05-19 | 2006-04-18 | Motorola, Inc. | Method of and apparatus for activating a spread-spectrum radiotelephone |
US7085246B1 (en) | 1999-05-19 | 2006-08-01 | Motorola, Inc. | Method and apparatus for acquisition of a spread-spectrum signal |
US6587694B1 (en) * | 1999-09-24 | 2003-07-01 | Agere Systems Inc. | Clock synchronization between wireless devices during cradled time |
US6735454B1 (en) * | 1999-11-04 | 2004-05-11 | Qualcomm, Incorporated | Method and apparatus for activating a high frequency clock following a sleep mode within a mobile station operating in a slotted paging mode |
US6721372B1 (en) * | 2000-03-17 | 2004-04-13 | Lucent Technologies Inc. | Intelligent software controlled correction of frequency tracking for a local oscillator of a receiver of a wireless device |
DE60019773T2 (de) * | 2000-12-20 | 2006-01-19 | Agilent Technologies, Inc. (n.d.Ges.d.Staates Delaware), Palo Alto | Erkennung von Präambeln von Datenpacketen |
US7242696B2 (en) * | 2001-03-27 | 2007-07-10 | Agere Systems Inc. | Digital TDMA link with no sync word |
GB2387508B (en) * | 2002-04-12 | 2005-06-29 | Nec Technologies | Mobile radio communications device and method of operation |
CA2393651A1 (en) * | 2002-07-29 | 2004-01-29 | Ralph Dickson Mason | Low power oscillator and power down method |
US7065144B2 (en) * | 2003-08-27 | 2006-06-20 | Qualcomm Incorporated | Frequency-independent spatial processing for wideband MISO and MIMO systems |
US8284752B2 (en) | 2003-10-15 | 2012-10-09 | Qualcomm Incorporated | Method, apparatus, and system for medium access control |
US8483105B2 (en) | 2003-10-15 | 2013-07-09 | Qualcomm Incorporated | High speed media access control |
US8462817B2 (en) | 2003-10-15 | 2013-06-11 | Qualcomm Incorporated | Method, apparatus, and system for multiplexing protocol data units |
US9226308B2 (en) | 2003-10-15 | 2015-12-29 | Qualcomm Incorporated | Method, apparatus, and system for medium access control |
US8472473B2 (en) * | 2003-10-15 | 2013-06-25 | Qualcomm Incorporated | Wireless LAN protocol stack |
US8233462B2 (en) * | 2003-10-15 | 2012-07-31 | Qualcomm Incorporated | High speed media access control and direct link protocol |
US8842657B2 (en) | 2003-10-15 | 2014-09-23 | Qualcomm Incorporated | High speed media access control with legacy system interoperability |
US8903440B2 (en) | 2004-01-29 | 2014-12-02 | Qualcomm Incorporated | Distributed hierarchical scheduling in an ad hoc network |
US7818018B2 (en) * | 2004-01-29 | 2010-10-19 | Qualcomm Incorporated | Distributed hierarchical scheduling in an AD hoc network |
US8315271B2 (en) | 2004-03-26 | 2012-11-20 | Qualcomm Incorporated | Method and apparatus for an ad-hoc wireless communications system |
US20050221870A1 (en) * | 2004-04-06 | 2005-10-06 | Integration Associates Inc. | Method and circuit for determining a slow clock calibration factor |
US7564814B2 (en) | 2004-05-07 | 2009-07-21 | Qualcomm, Incorporated | Transmission mode and rate selection for a wireless communication system |
US8401018B2 (en) | 2004-06-02 | 2013-03-19 | Qualcomm Incorporated | Method and apparatus for scheduling in a wireless network |
US7882412B2 (en) * | 2004-10-05 | 2011-02-01 | Sanjiv Nanda | Enhanced block acknowledgement |
US8364185B2 (en) * | 2005-04-18 | 2013-01-29 | Samsung Electronics Co., Ltd. | Method and system for synchronizing a clock for an adjacent network to a clock for an overlay network |
US8600336B2 (en) | 2005-09-12 | 2013-12-03 | Qualcomm Incorporated | Scheduling with reverse direction grant in wireless communication systems |
EP2012436B1 (de) * | 2007-07-05 | 2016-03-30 | Sequans Communications | Verfahren zur Schaltung einer Komponente eines drahtlosen Kommunikationsgerätes in einen Betriebsmodus zur Reduzierung des Stromverbrauchs |
US8576760B2 (en) * | 2008-09-12 | 2013-11-05 | Qualcomm Incorporated | Apparatus and methods for controlling an idle mode in a wireless device |
EP2299614B1 (de) * | 2009-09-17 | 2018-08-15 | Siemens Aktiengesellschaft | Vorrichtung und Verfahren zur Zeitsynchronisation in einem Kommunikationsnetz |
US8498240B2 (en) * | 2010-11-11 | 2013-07-30 | Mediatek Inc. | Resynchronization method for recovering from sleep mode and apparatuses using the same |
EP2695309B1 (de) | 2011-04-06 | 2016-03-16 | Maxtech Communication Networks Ltd. | Dynamisches und selbstorganisierendes ad-hoc-tdma-kommunikationssynchronisationsverfahren |
US9720875B2 (en) * | 2013-07-24 | 2017-08-01 | Silicon Laboratories Inc. | Receiver with signal arrival detection capability |
CN106411444A (zh) * | 2015-07-30 | 2017-02-15 | 联芯科技有限公司 | 一种定时补偿方法及移动终端 |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3627135C2 (de) * | 1986-08-09 | 1994-11-24 | Philips Patentverwaltung | Bitsynchronisation eines Datenblocks in einem Empfänger |
US5408504A (en) * | 1992-12-30 | 1995-04-18 | Nokia Mobile Phones | Symbol and frame synchronization in a TDMA system |
US5590160A (en) * | 1992-12-30 | 1996-12-31 | Nokia Mobile Phones Ltd. | Symbol and frame synchronization in both a TDMA system and a CDMA |
WO1994028643A1 (en) * | 1993-05-27 | 1994-12-08 | Nokia Telecommunications Oy | Base station for a tdma cellular radio network |
US5790941A (en) * | 1993-06-29 | 1998-08-04 | Pacific Communication Sciences, Inc. | Method and apparatus for regenerating the symbol clock of a cellular telephone following a sleep cycle |
DE4332999C2 (de) * | 1993-09-28 | 1997-05-28 | Siemens Ag | Verfahren und Vorrichtung zum Erzeugen eines Systemaktes in Basisstationen eines mehrzellularen, drahtlosen Fernsprechsystems |
US5428820A (en) * | 1993-10-01 | 1995-06-27 | Motorola | Adaptive radio receiver controller method and apparatus |
DE4407794A1 (de) * | 1994-03-09 | 1995-09-14 | Sel Alcatel Ag | Verfahren zur Synchronisation vom Impulsrahmen |
JP2872057B2 (ja) * | 1994-11-24 | 1999-03-17 | 日本電気株式会社 | 無線選択呼出受信機 |
GB2297883B (en) * | 1995-02-07 | 1999-08-11 | Nokia Mobile Phones Ltd | Radio telephone |
GB2297884B (en) * | 1995-02-07 | 1999-05-26 | Nokia Mobile Phones Ltd | Radio telephone |
JP3555252B2 (ja) * | 1995-06-30 | 2004-08-18 | 株式会社デンソー | 間欠受信制御装置 |
US5845204A (en) * | 1995-08-11 | 1998-12-01 | Rockwell International Corporation | Method and apparatus for controlling the wakeup logic of a radio receiver in sleep mode |
-
1996
- 1996-07-11 GB GB9614587A patent/GB2315194B/en not_active Revoked
-
1997
- 1997-06-30 DE DE69731031T patent/DE69731031T2/de not_active Expired - Lifetime
- 1997-06-30 EP EP97304717A patent/EP0818910B1/de not_active Expired - Lifetime
- 1997-07-08 US US08/889,415 patent/US6111927A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
GB2315194B (en) | 2000-11-15 |
GB2315194A (en) | 1998-01-21 |
DE69731031T2 (de) | 2006-03-02 |
US6111927A (en) | 2000-08-29 |
EP0818910A3 (de) | 2003-01-08 |
GB9614587D0 (en) | 1996-09-04 |
EP0818910A2 (de) | 1998-01-14 |
EP0818910B1 (de) | 2004-10-06 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition |