DE69429759D1 - Radiokommunikationssysteme mit fehlertoleranter Frequenzsprungsynchronisation - Google Patents
Radiokommunikationssysteme mit fehlertoleranter FrequenzsprungsynchronisationInfo
- Publication number
- DE69429759D1 DE69429759D1 DE69429759T DE69429759T DE69429759D1 DE 69429759 D1 DE69429759 D1 DE 69429759D1 DE 69429759 T DE69429759 T DE 69429759T DE 69429759 T DE69429759 T DE 69429759T DE 69429759 D1 DE69429759 D1 DE 69429759D1
- Authority
- DE
- Germany
- Prior art keywords
- fault
- radio communication
- communication systems
- frequency hopping
- hopping synchronization
- 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
- H04J13/00—Code division multiplex systems
-
- 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
- H04B1/69—Spread spectrum techniques
- H04B1/713—Spread spectrum techniques using frequency hopping
- H04B1/7156—Arrangements for sequence synchronisation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L7/00—Arrangements for synchronising receiver with transmitter
- H04L7/04—Speed or phase control by synchronisation signals
- H04L7/041—Speed or phase control by synchronisation signals using special codes as synchronising signal
- H04L7/043—Pseudo-noise [PN] codes variable during transmission
-
- 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
- H04B1/69—Spread spectrum techniques
- H04B1/713—Spread spectrum techniques using frequency hopping
- H04B1/7156—Arrangements for sequence synchronisation
- H04B2001/71563—Acquisition
-
- 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
- H04B1/69—Spread spectrum techniques
- H04B1/713—Spread spectrum techniques using frequency hopping
- H04B1/7156—Arrangements for sequence synchronisation
- H04B2001/71566—Tracking
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/142,555 US5442659A (en) | 1993-10-22 | 1993-10-22 | Radio communications system with fault tolerant frequency hopping synchronization |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69429759D1 true DE69429759D1 (de) | 2002-03-14 |
DE69429759T2 DE69429759T2 (de) | 2002-09-12 |
Family
ID=22500299
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69429759T Expired - Lifetime DE69429759T2 (de) | 1993-10-22 | 1994-09-23 | Radiokommunikationssysteme mit fehlertoleranter Frequenzsprungsynchronisation |
Country Status (5)
Country | Link |
---|---|
US (1) | US5442659A (de) |
EP (1) | EP0650274B1 (de) |
JP (1) | JP2675982B2 (de) |
CA (1) | CA2132765C (de) |
DE (1) | DE69429759T2 (de) |
Families Citing this family (43)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3223055B2 (ja) * | 1994-11-11 | 2001-10-29 | 株式会社日立製作所 | 無線lanシステム及びその基地局装置 |
US5592470A (en) * | 1994-12-21 | 1997-01-07 | At&T | Broadband wireless system and network architecture providing broadband/narrowband service with optimal static and dynamic bandwidth/channel allocation |
US7512671B1 (en) * | 1995-10-16 | 2009-03-31 | Nec Corporation | Computer system for enabling a wireless interface device to selectively establish a communication link with a user selectable remote computer |
GB2307624B (en) * | 1995-11-23 | 2000-02-09 | Motorola Israel Ltd | Data transmission method for a channel hopping communication system |
JP3544056B2 (ja) * | 1996-03-19 | 2004-07-21 | キヤノン株式会社 | 周波数ホッピング方式を用いた無線通信装置及びその制御方法 |
US5912918A (en) * | 1996-10-10 | 1999-06-15 | International Business Machines Corporation | Method and an apparatus for attachment of a remote station to a base station in a multicellular communications network |
US5875179A (en) * | 1996-10-29 | 1999-02-23 | Proxim, Inc. | Method and apparatus for synchronized communication over wireless backbone architecture |
FI104525B (fi) * | 1996-11-13 | 2000-02-15 | Nokia Networks Oy | Taajuushyppelymenetelmä ja radiojärjestelmä |
DE19651708A1 (de) * | 1996-12-12 | 1998-06-25 | Altvater Air Data Systems Gmbh | Netz zum Übertragen von Datenpaketen und Verfahren zum Betreiben des Netzes |
US6243772B1 (en) | 1997-01-31 | 2001-06-05 | Sharewave, Inc. | Method and system for coupling a personal computer with an appliance unit via a wireless communication link to provide an output display presentation |
US6282714B1 (en) | 1997-01-31 | 2001-08-28 | Sharewave, Inc. | Digital wireless home computer system |
US6052406A (en) * | 1997-05-02 | 2000-04-18 | Itt Manufacturing Enterprises, Inc. | Frequency hopping synchronization and tracking in a digital communication system |
BR9714817A (pt) * | 1997-08-14 | 2000-10-03 | Siemens Ag | Processo e disposição para a sincronização das frequências portadoras de uma parte móvel às frequências portadoras de uma estação fixa |
US6426959B1 (en) | 1998-01-20 | 2002-07-30 | Innovative Communications Technologies, Inc. | System and method for facilitating component management in a multiple vendor satellite communications network |
US6381250B1 (en) | 1998-01-23 | 2002-04-30 | Innovative Communications Technologies, Inc. | Capacity allocation system using semi-autonomous network elements to implement and control a transmission schedule |
US7224713B2 (en) * | 1998-04-09 | 2007-05-29 | Andrzej Partyka | Telemetry system with authentication |
USD419160S (en) * | 1998-05-14 | 2000-01-18 | Northrop Grumman Corporation | Personal communications unit docking station |
US6141426A (en) * | 1998-05-15 | 2000-10-31 | Northrop Grumman Corporation | Voice operated switch for use in high noise environments |
US6041243A (en) * | 1998-05-15 | 2000-03-21 | Northrop Grumman Corporation | Personal communications unit |
US6243573B1 (en) | 1998-05-15 | 2001-06-05 | Northrop Grumman Corporation | Personal communications system |
USD421002S (en) * | 1998-05-15 | 2000-02-22 | Northrop Grumman Corporation | Personal communications unit handset |
US6169730B1 (en) | 1998-05-15 | 2001-01-02 | Northrop Grumman Corporation | Wireless communications protocol |
US6304559B1 (en) | 1998-05-15 | 2001-10-16 | Northrop Grumman Corporation | Wireless communications protocol |
US6223062B1 (en) | 1998-05-15 | 2001-04-24 | Northrop Grumann Corporation | Communications interface adapter |
DE19918387A1 (de) * | 1999-04-22 | 2000-11-02 | Siemens Ag | Verfahren zum Synchronisieren der Frequenz beim drahtlosen Fernsprechen sowie Anordnung zur Durchführung des Verfahrens |
GB9918250D0 (en) * | 1999-08-04 | 1999-10-06 | Koninkl Philips Electronics Nv | Generating a cyclic sequence of frequencies |
US6967974B1 (en) | 1999-09-30 | 2005-11-22 | Andrzej Partyka | Transmission of urgent messages in telemetry system |
US6894975B1 (en) * | 2000-01-15 | 2005-05-17 | Andrzej Partyka | Synchronization and access of the nodes in a communications network |
US6925105B1 (en) | 2000-05-01 | 2005-08-02 | Andrzej Partyka | Overhead reduction in system for intermittent transmission |
US7209495B2 (en) | 2000-09-28 | 2007-04-24 | Andrzej Partyka | Urgent messages and power-up in frequency hopping system for intemittent transmission |
US7245725B1 (en) | 2001-05-17 | 2007-07-17 | Cypress Semiconductor Corp. | Dual processor framer |
US7974260B2 (en) * | 2001-09-10 | 2011-07-05 | Spyder Navigations L.L.C. | Method of transmitting time-critical scheduling information between single network devices in a wireless network using slotted point-to-point links |
US7372928B1 (en) | 2002-11-15 | 2008-05-13 | Cypress Semiconductor Corporation | Method and system of cycle slip framing in a deserializer |
US7474686B2 (en) | 2003-02-28 | 2009-01-06 | Texas Instruments Incorporated | Wireless personal area networks with rotation of frequency hopping sequences |
KR20080025095A (ko) | 2005-06-01 | 2008-03-19 | 밀레니얼 넷, 인크. | 무선 네트워크를 통한 통신 |
US8559443B2 (en) | 2005-07-22 | 2013-10-15 | Marvell International Ltd. | Efficient message switching in a switching apparatus |
WO2007113418A1 (fr) * | 2006-03-31 | 2007-10-11 | France Telecom | Transmission de donnees confidentielle par changement de frequence dans un reseau de telecommunications |
JP4961989B2 (ja) * | 2006-12-13 | 2012-06-27 | ソニー株式会社 | 無線通信装置、無線通信システム、無線通信方法およびプログラム |
JP5957383B2 (ja) | 2009-11-13 | 2016-07-27 | コーニンクレッカ フィリップス エヌ ヴェKoninklijke Philips N.V. | 患者データを伝送するためのシステム、方法及び通信ユニット |
KR20120100078A (ko) * | 2011-03-03 | 2012-09-12 | 삼성전자주식회사 | 방송통신시스템에서 주파수 도약 방식을 제공하기 위한 장치 및 방법 |
US9148197B1 (en) * | 2014-10-10 | 2015-09-29 | Landis+Gyr Innovations, Inc. | Techniques for generating an optimized channel hopping sequence |
US10541845B2 (en) * | 2017-09-25 | 2020-01-21 | Kenneth Stuart | Pseudo random multi-carrier method and system |
US20220394646A1 (en) * | 2021-06-04 | 2022-12-08 | Raytheon Company | Synchronization in severe-fading environments |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4612652A (en) * | 1984-10-19 | 1986-09-16 | Itt Corporation | Frequency hopping data communication system |
US4850036A (en) * | 1987-08-21 | 1989-07-18 | American Telephone And Telegraph Company | Radio communication system using synchronous frequency hopping transmissions |
US4872205A (en) * | 1987-08-21 | 1989-10-03 | American Telephone And Telegraph Company | Radio communication system having autonomously selected transmission frequencies |
JPH02312492A (ja) * | 1989-05-29 | 1990-12-27 | Nec Corp | 移動通信システムにおけるチャネル割り当て方式および基地局配置情報の学習方式 |
US5121408A (en) * | 1989-10-16 | 1992-06-09 | Hughes Aircraft Company | Synchronization for entry to a network in a frequency hopping communication system |
US5081641A (en) * | 1990-02-06 | 1992-01-14 | Motorola, Inc. | Interconnecting and processing system for facilitating frequency hopping |
US5079768A (en) * | 1990-03-23 | 1992-01-07 | Metricom, Inc. | Method for frequency sharing in frequency hopping communications network |
US5130987A (en) * | 1990-03-23 | 1992-07-14 | Metricom, Inc. | Method for synchronizing a wide area network without global synchronizing |
GB2265067B (en) * | 1990-12-04 | 1995-05-31 | Roke Manor Research | Wide area nodeless distributed synchronisation (partition counting) |
US5212715A (en) * | 1991-01-25 | 1993-05-18 | Motorola, Inc. | Digital communication signalling system |
US5123029A (en) * | 1991-06-21 | 1992-06-16 | International Business Machines Corporation | Broadcast-initiated bipartite frame multi-access protocol |
JPH05191378A (ja) * | 1992-01-14 | 1993-07-30 | Ricoh Co Ltd | 低速周波数ホッピングスペクトル拡散通信方式 |
US5394433A (en) * | 1993-04-22 | 1995-02-28 | International Business Machines Corporation | Frequency hopping pattern assignment and control in multiple autonomous collocated radio networks |
-
1993
- 1993-10-22 US US08/142,555 patent/US5442659A/en not_active Expired - Lifetime
-
1994
- 1994-08-04 JP JP6183719A patent/JP2675982B2/ja not_active Expired - Fee Related
- 1994-09-23 EP EP94114987A patent/EP0650274B1/de not_active Expired - Lifetime
- 1994-09-23 CA CA002132765A patent/CA2132765C/en not_active Expired - Fee Related
- 1994-09-23 DE DE69429759T patent/DE69429759T2/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
JP2675982B2 (ja) | 1997-11-12 |
EP0650274A3 (de) | 1995-08-02 |
EP0650274B1 (de) | 2002-01-30 |
CA2132765C (en) | 1999-01-05 |
JPH07162341A (ja) | 1995-06-23 |
US5442659A (en) | 1995-08-15 |
EP0650274A2 (de) | 1995-04-26 |
CA2132765A1 (en) | 1995-04-23 |
DE69429759T2 (de) | 2002-09-12 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8320 | Willingness to grant licences declared (paragraph 23) | ||
8328 | Change in the person/name/address of the agent |
Representative=s name: DUSCHER, R., DIPL.-PHYS. DR.RER.NAT., PAT.-ANW., 7 |