DE3586586D1 - Uebertragungssystem mit gespreitztem spektrum. - Google Patents

Uebertragungssystem mit gespreitztem spektrum.

Info

Publication number
DE3586586D1
DE3586586D1 DE8585116432T DE3586586T DE3586586D1 DE 3586586 D1 DE3586586 D1 DE 3586586D1 DE 8585116432 T DE8585116432 T DE 8585116432T DE 3586586 T DE3586586 T DE 3586586T DE 3586586 D1 DE3586586 D1 DE 3586586D1
Authority
DE
Germany
Prior art keywords
transmission system
spreaded
spectrum
spreaded spectrum
transmission
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
Application number
DE8585116432T
Other languages
English (en)
Inventor
Shigeki Takeda
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Kyocera Corp
Original Assignee
Kyocera Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Kyocera Corp filed Critical Kyocera Corp
Application granted granted Critical
Publication of DE3586586D1 publication Critical patent/DE3586586D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • H04B1/69—Spread spectrum techniques
    • H04B1/713—Spread spectrum techniques using frequency hopping
    • H04B1/7156—Arrangements for sequence synchronisation
    • 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
DE8585116432T 1984-12-29 1985-12-21 Uebertragungssystem mit gespreitztem spektrum. Expired - Lifetime DE3586586D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP59280988A JPH0693670B2 (ja) 1984-12-29 1984-12-29 スペクトラム拡散通信システム

Publications (1)

Publication Number Publication Date
DE3586586D1 true DE3586586D1 (de) 1992-10-08

Family

ID=17632688

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8585116432T Expired - Lifetime DE3586586D1 (de) 1984-12-29 1985-12-21 Uebertragungssystem mit gespreitztem spektrum.

Country Status (4)

Country Link
US (1) US4760586A (de)
EP (1) EP0186884B1 (de)
JP (1) JPH0693670B2 (de)
DE (1) DE3586586D1 (de)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3525822A1 (de) * 1985-07-19 1987-01-22 Ant Nachrichtentech Verfahren zum demodulieren eines frequenz- und phasenumgetasteten signals
JPH07123232B2 (ja) * 1986-08-06 1995-12-25 京セラ株式会社 スペクトラム拡散通信用同期追跡装置
JPS6393233A (ja) * 1986-10-08 1988-04-23 Oki Electric Ind Co Ltd スペクトル拡散通信システム
US4888788A (en) * 1986-11-20 1989-12-19 Matsushita Electric Industrial Co., Ltd. Transmitting and receiving systems
JPH01151843A (ja) * 1987-12-09 1989-06-14 Nec Corp スペクトラム拡散復調装置
US4964138A (en) * 1988-11-15 1990-10-16 Agilis Corporation Differential correlator for spread spectrum communication system
US4968970A (en) * 1989-04-26 1990-11-06 Schlumberger Industries, Inc. Method of and system for power line carrier communications
US5276703A (en) * 1992-01-13 1994-01-04 Windata, Inc. Wireless local area network communications system
CA2176401C (en) * 1994-02-17 2003-07-08 John H. Cafarella A high-data-rate wireless local-area network
US5970400A (en) * 1996-04-30 1999-10-19 Magellan Corporation Adjusting the timing and synchronization of a radio's oscillator with a signal from an SATPS satellite
KR100217413B1 (ko) * 1996-08-24 1999-09-01 윤종용 시분할 듀플렉싱 / 주파수 도약방식을 채용한 무선 통신 시스템
US6865216B1 (en) * 1998-08-20 2005-03-08 Skyworks Solutions Inc. Frequency hopping spread spectrum modulation and direct sequence spread spectrum modulation cordless telephone
US6498784B1 (en) * 1998-10-20 2002-12-24 Interdigital Technology Corporation Cancellation of pilot and traffic signals
GB2379105B (en) * 2001-08-24 2003-07-09 Roke Manor Research Improvements relating to fast frequency-hopping modulators and demodulators
US6714085B1 (en) 2002-10-24 2004-03-30 General Dynamics Decision Systems, Inc Prepositioned frequency synthesizer and method therefor
US20050059405A1 (en) * 2003-09-17 2005-03-17 Trapeze Networks, Inc. Simulation driven wireless LAN planning
US20050059406A1 (en) * 2003-09-17 2005-03-17 Trapeze Networks, Inc. Wireless LAN measurement feedback
US7221927B2 (en) * 2004-02-13 2007-05-22 Trapeze Networks, Inc. Station mobility between access points
WO2006099540A2 (en) 2005-03-15 2006-09-21 Trapeze Networks, Inc. System and method for distributing keys in a wireless network
WO2007044986A2 (en) * 2005-10-13 2007-04-19 Trapeze Networks, Inc. System and method for remote monitoring in a wireless network
US7573859B2 (en) 2005-10-13 2009-08-11 Trapeze Networks, Inc. System and method for remote monitoring in a wireless network
US7551619B2 (en) * 2005-10-13 2009-06-23 Trapeze Networks, Inc. Identity-based networking
US8638762B2 (en) 2005-10-13 2014-01-28 Trapeze Networks, Inc. System and method for network integrity
US7724703B2 (en) 2005-10-13 2010-05-25 Belden, Inc. System and method for wireless network monitoring
US8250587B2 (en) 2005-10-27 2012-08-21 Trapeze Networks, Inc. Non-persistent and persistent information setting method and system for inter-process communication
US7558266B2 (en) * 2006-05-03 2009-07-07 Trapeze Networks, Inc. System and method for restricting network access using forwarding databases
US20070260720A1 (en) * 2006-05-03 2007-11-08 Morain Gary E Mobility domain
US20070268516A1 (en) * 2006-05-19 2007-11-22 Jamsheed Bugwadia Automated policy-based network device configuration and network deployment
US20070268506A1 (en) * 2006-05-19 2007-11-22 Paul Zeldin Autonomous auto-configuring wireless network device
US20070268515A1 (en) * 2006-05-19 2007-11-22 Yun Freund System and method for automatic configuration of remote network switch and connected access point devices
US20070268514A1 (en) * 2006-05-19 2007-11-22 Paul Zeldin Method and business model for automated configuration and deployment of a wireless network in a facility without network administrator intervention
US8966018B2 (en) 2006-05-19 2015-02-24 Trapeze Networks, Inc. Automated network device configuration and network deployment
US7577453B2 (en) * 2006-06-01 2009-08-18 Trapeze Networks, Inc. Wireless load balancing across bands
US9258702B2 (en) 2006-06-09 2016-02-09 Trapeze Networks, Inc. AP-local dynamic switching
US7912982B2 (en) 2006-06-09 2011-03-22 Trapeze Networks, Inc. Wireless routing selection system and method
US9191799B2 (en) 2006-06-09 2015-11-17 Juniper Networks, Inc. Sharing data between wireless switches system and method
US8818322B2 (en) 2006-06-09 2014-08-26 Trapeze Networks, Inc. Untethered access point mesh system and method
US7844298B2 (en) 2006-06-12 2010-11-30 Belden Inc. Tuned directional antennas
US7724704B2 (en) 2006-07-17 2010-05-25 Beiden Inc. Wireless VLAN system and method
US8340110B2 (en) 2006-09-15 2012-12-25 Trapeze Networks, Inc. Quality of service provisioning for wireless networks
US8072952B2 (en) 2006-10-16 2011-12-06 Juniper Networks, Inc. Load balancing
US20080107077A1 (en) * 2006-11-03 2008-05-08 James Murphy Subnet mobility supporting wireless handoff
US7865713B2 (en) 2006-12-28 2011-01-04 Trapeze Networks, Inc. Application-aware wireless network system and method
US7873061B2 (en) 2006-12-28 2011-01-18 Trapeze Networks, Inc. System and method for aggregation and queuing in a wireless network
US8902904B2 (en) 2007-09-07 2014-12-02 Trapeze Networks, Inc. Network assignment based on priority
US8509128B2 (en) 2007-09-18 2013-08-13 Trapeze Networks, Inc. High level instruction convergence function
US8238942B2 (en) 2007-11-21 2012-08-07 Trapeze Networks, Inc. Wireless station location detection
US8150357B2 (en) 2008-03-28 2012-04-03 Trapeze Networks, Inc. Smoothing filter for irregular update intervals
US8474023B2 (en) 2008-05-30 2013-06-25 Juniper Networks, Inc. Proactive credential caching
US8978105B2 (en) 2008-07-25 2015-03-10 Trapeze Networks, Inc. Affirming network relationships and resource access via related networks
US8238298B2 (en) 2008-08-29 2012-08-07 Trapeze Networks, Inc. Picking an optimal channel for an access point in a wireless network
US8542836B2 (en) 2010-12-01 2013-09-24 Juniper Networks, Inc. System, apparatus and methods for highly scalable continuous roaming within a wireless network
US20140036332A1 (en) * 2012-08-01 2014-02-06 Digital Signal Corporation System and Method for Positioning a Mirror in a Lidar System Using Open Loop and Closed Loop Control
JP5663633B2 (ja) * 2013-07-12 2015-02-04 株式会社日立製作所 Ｇｐｓ信号送信機およびその信号送信方法

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4193030A (en) * 1968-08-01 1980-03-11 International Telephone And Telegraph Corporation Frequency hopping communication system
US4241447A (en) * 1969-07-22 1980-12-23 International Telephone And Telegraph Corporation Secure spread spectrum communication system
US3983501A (en) * 1975-09-29 1976-09-28 The United States Of America As Represented By The Secretary Of The Navy Hybrid tracking loop for detecting phase shift keyed signals
US4520493A (en) * 1981-12-07 1985-05-28 Hughes Aircraft Company Adaptive recursive frequency offset tracking system
US4454604A (en) * 1982-04-02 1984-06-12 Motorola Inc. Virtual time base direct synchronizer and method therefor
US4457003A (en) * 1982-06-21 1984-06-26 Motorola Inc. Time reference tracking loop for frequency hopping systems
US4494238A (en) * 1982-06-30 1985-01-15 Motorola, Inc. Multiple channel data link system
US4518922A (en) * 1983-01-17 1985-05-21 Harris Corporation Decision-directed, automatic frequency control technique for non-coherently demodulated M-ARY frequency shift keying
NL8303253A (nl) * 1983-09-22 1985-04-16 Hollandse Signaalapparaten Bv Communicatie-ontvanginrichting ingericht voor het onderdrukken van ruis- en stoorsignalen.

Also Published As

Publication number Publication date
US4760586A (en) 1988-07-26
EP0186884A3 (en) 1988-09-21
JPH0693670B2 (ja) 1994-11-16
JPS61159837A (ja) 1986-07-19
EP0186884A2 (de) 1986-07-09
EP0186884B1 (de) 1992-09-02

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Legal Events

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8332 No legal effect for de