FR2655220B1 - Systeme de communication de zone. - Google Patents

Systeme de communication de zone.

Info

Publication number
FR2655220B1
FR2655220B1 FR888807684A FR8807684A FR2655220B1 FR 2655220 B1 FR2655220 B1 FR 2655220B1 FR 888807684 A FR888807684 A FR 888807684A FR 8807684 A FR8807684 A FR 8807684A FR 2655220 B1 FR2655220 B1 FR 2655220B1
Authority
FR
France
Prior art keywords
communication system
zone communication
zone
communication
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 - Fee Related
Application number
FR888807684A
Other languages
English (en)
Other versions
FR2655220A1 (fr
Inventor
Brian William Paul Adams
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.)
UK Secretary of State for Defence
Software Sciences Ltd
Original Assignee
UK Secretary of State for Defence
Software Sciences Ltd
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 UK Secretary of State for Defence, Software Sciences Ltd filed Critical UK Secretary of State for Defence
Publication of FR2655220A1 publication Critical patent/FR2655220A1/fr
Application granted granted Critical
Publication of FR2655220B1 publication Critical patent/FR2655220B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04KSECRET COMMUNICATION; JAMMING OF COMMUNICATION
    • H04K1/00Secret communication
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B7/00Radio transmission systems, i.e. using radiation field
    • H04B7/24Radio transmission systems, i.e. using radiation field for communication between two or more posts

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
FR888807684A 1987-06-11 1988-06-09 Systeme de communication de zone. Expired - Fee Related FR2655220B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8713680A GB2229064B (en) 1987-06-11 1987-06-11 An area communications system

Publications (2)

Publication Number Publication Date
FR2655220A1 FR2655220A1 (fr) 1991-05-31
FR2655220B1 true FR2655220B1 (fr) 1994-07-29

Family

ID=10618756

Family Applications (1)

Application Number Title Priority Date Filing Date
FR888807684A Expired - Fee Related FR2655220B1 (fr) 1987-06-11 1988-06-09 Systeme de communication de zone.

Country Status (4)

Country Link
US (1) US5034961A (fr)
DE (1) DE3820454A1 (fr)
FR (1) FR2655220B1 (fr)
GB (1) GB2229064B (fr)

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US6807165B2 (en) * 2000-11-08 2004-10-19 Meshnetworks, Inc. Time division protocol for an ad-hoc, peer-to-peer radio network having coordinating channel access to shared parallel data channels with separate reservation channel
US7072650B2 (en) * 2000-11-13 2006-07-04 Meshnetworks, Inc. Ad hoc peer-to-peer mobile radio access system interfaced to the PSTN and cellular networks
US6873839B2 (en) 2000-11-13 2005-03-29 Meshnetworks, Inc. Prioritized-routing for an ad-hoc, peer-to-peer, mobile radio access system
US7151769B2 (en) * 2001-03-22 2006-12-19 Meshnetworks, Inc. Prioritized-routing for an ad-hoc, peer-to-peer, mobile radio access system based on battery-power levels and type of service
US7756041B2 (en) * 2001-06-14 2010-07-13 Meshnetworks, Inc. Embedded routing algorithms under the internet protocol routing layer of a software architecture protocol stack in a mobile Ad-Hoc network
US7072323B2 (en) * 2001-08-15 2006-07-04 Meshnetworks, Inc. System and method for performing soft handoff in a wireless data network
US7206294B2 (en) 2001-08-15 2007-04-17 Meshnetworks, Inc. Movable access points and repeaters for minimizing coverage and capacity constraints in a wireless communications network and a method for using the same
US7349380B2 (en) * 2001-08-15 2008-03-25 Meshnetworks, Inc. System and method for providing an addressing and proxy scheme for facilitating mobility of wireless nodes between wired access points on a core network of a communications network
US7613458B2 (en) * 2001-08-28 2009-11-03 Meshnetworks, Inc. System and method for enabling a radio node to selectably function as a router in a wireless communications network
US7145903B2 (en) * 2001-09-06 2006-12-05 Meshnetworks, Inc. Multi-master bus architecture for system-on-chip designs
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US7221686B1 (en) 2001-11-30 2007-05-22 Meshnetworks, Inc. System and method for computing the signal propagation time and the clock correction for mobile stations in a wireless network
US7190672B1 (en) 2001-12-19 2007-03-13 Meshnetworks, Inc. System and method for using destination-directed spreading codes in a multi-channel metropolitan area wireless communications network
US7106707B1 (en) 2001-12-20 2006-09-12 Meshnetworks, Inc. System and method for performing code and frequency channel selection for combined CDMA/FDMA spread spectrum communication systems
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US7180875B1 (en) 2001-12-20 2007-02-20 Meshnetworks, Inc. System and method for performing macro-diversity selection and distribution of routes for routing data packets in Ad-Hoc networks
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US6674790B1 (en) 2002-01-24 2004-01-06 Meshnetworks, Inc. System and method employing concatenated spreading sequences to provide data modulated spread signals having increased data rates with extended multi-path delay spread
US7058018B1 (en) 2002-03-06 2006-06-06 Meshnetworks, Inc. System and method for using per-packet receive signal strength indication and transmit power levels to compute path loss for a link for use in layer II routing in a wireless communication network
US6617990B1 (en) 2002-03-06 2003-09-09 Meshnetworks Digital-to-analog converter using pseudo-random sequences and a method for using the same
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US6904021B2 (en) 2002-03-15 2005-06-07 Meshnetworks, Inc. System and method for providing adaptive control of transmit power and data rate in an ad-hoc communication network
US6987795B1 (en) 2002-04-08 2006-01-17 Meshnetworks, Inc. System and method for selecting spreading codes based on multipath delay profile estimation for wireless transceivers in a communication network
US7200149B1 (en) 2002-04-12 2007-04-03 Meshnetworks, Inc. System and method for identifying potential hidden node problems in multi-hop wireless ad-hoc networks for the purpose of avoiding such potentially problem nodes in route selection
US6580981B1 (en) 2002-04-16 2003-06-17 Meshnetworks, Inc. System and method for providing wireless telematics store and forward messaging for peer-to-peer and peer-to-peer-to-infrastructure a communication network
US7107498B1 (en) 2002-04-16 2006-09-12 Methnetworks, Inc. System and method for identifying and maintaining reliable infrastructure links using bit error rate data in an ad-hoc communication network
US7142524B2 (en) * 2002-05-01 2006-11-28 Meshnetworks, Inc. System and method for using an ad-hoc routing algorithm based on activity detection in an ad-hoc network
US6970444B2 (en) 2002-05-13 2005-11-29 Meshnetworks, Inc. System and method for self propagating information in ad-hoc peer-to-peer networks
US7284268B2 (en) 2002-05-16 2007-10-16 Meshnetworks, Inc. System and method for a routing device to securely share network data with a host utilizing a hardware firewall
US7016306B2 (en) * 2002-05-16 2006-03-21 Meshnetworks, Inc. System and method for performing multiple network routing and provisioning in overlapping wireless deployments
US7167715B2 (en) * 2002-05-17 2007-01-23 Meshnetworks, Inc. System and method for determining relative positioning in AD-HOC networks
US7106703B1 (en) 2002-05-28 2006-09-12 Meshnetworks, Inc. System and method for controlling pipeline delays by adjusting the power levels at which nodes in an ad-hoc network transmit data packets
US6687259B2 (en) 2002-06-05 2004-02-03 Meshnetworks, Inc. ARQ MAC for ad-hoc communication networks and a method for using the same
US6744766B2 (en) 2002-06-05 2004-06-01 Meshnetworks, Inc. Hybrid ARQ for a wireless Ad-Hoc network and a method for using the same
US7054126B2 (en) * 2002-06-05 2006-05-30 Meshnetworks, Inc. System and method for improving the accuracy of time of arrival measurements in a wireless ad-hoc communications network
US7610027B2 (en) * 2002-06-05 2009-10-27 Meshnetworks, Inc. Method and apparatus to maintain specification absorption rate at a wireless node
AU2003238968A1 (en) * 2002-06-11 2003-12-22 Meshnetworks, Inc. System and method for multicast media access in ad-hoc communication networks
JP2004019758A (ja) * 2002-06-14 2004-01-22 Daido Metal Co Ltd すべり軸受
US7215638B1 (en) 2002-06-19 2007-05-08 Meshnetworks, Inc. System and method to provide 911 access in voice over internet protocol systems without compromising network security
US7072432B2 (en) * 2002-07-05 2006-07-04 Meshnetworks, Inc. System and method for correcting the clock drift and maintaining the synchronization of low quality clocks in wireless networks
US7796570B1 (en) 2002-07-12 2010-09-14 Meshnetworks, Inc. Method for sparse table accounting and dissemination from a mobile subscriber device in a wireless mobile ad-hoc network
US7046962B1 (en) 2002-07-18 2006-05-16 Meshnetworks, Inc. System and method for improving the quality of range measurement based upon historical data
US7042867B2 (en) * 2002-07-29 2006-05-09 Meshnetworks, Inc. System and method for determining physical location of a node in a wireless network during an authentication check of the node
WO2004064303A2 (fr) * 2003-01-13 2004-07-29 Meshnetworks, Inc. Système et procédé assurant la connectivité en continu à un point d'accès ou une passerelle dans un réseau sans fil suite à un protocole de routage sur demande, et assurant le transfert sans interruption de terminaux mobiles entre des stations fixes du réseau
KR20050117557A (ko) * 2003-03-13 2005-12-14 메시네트웍스, 인코포레이티드 저속 중앙처리장치를 이용하는 무선 애드-혹 통신네트워크에 있어서 이동 가입자에 대한 위치계산의정확도를 향상시키기 위한 시스템 및 방법
US7171220B2 (en) * 2003-03-14 2007-01-30 Meshnetworks, Inc. System and method for analyzing the precision of geo-location services in a wireless network terminal
US20040235468A1 (en) * 2003-05-19 2004-11-25 Luebke Charles J. Wireless network clustering communication system, wireless communication network, and access port for same
WO2004110082A1 (fr) * 2003-06-05 2004-12-16 Meshnetworks, Inc. Systeme et procede pour localiser un dispositif dans un reseau de communication hertzienne
WO2004114690A1 (fr) * 2003-06-05 2004-12-29 Meshnetworks, Inc. Optimisation de l'acheminement dans des reseaux de radiocommunication ad hoc
WO2004109475A2 (fr) * 2003-06-05 2004-12-16 Meshnetworks, Inc. Systeme et procede de determination d'un point de synchronisation dans des modems ofdm pour une mesure exacte du temps de vol
WO2004109476A2 (fr) * 2003-06-05 2004-12-16 Meshnetworks, Inc. Systeme et procede permettant d'optimiser l'utilisation des canaux dans un reseau de communication sans fil multicanaux
EP1632093A2 (fr) * 2003-06-06 2006-03-08 Meshnetworks, Inc. Systeme et methode pour une identification de numero d'etage, dans une situation ou un pompier necessitant de l'aide est localise au moyen d'un indicateur de puissance de signal re u et d'une duree de propagation de signal
JP4505454B2 (ja) * 2003-06-06 2010-07-21 メッシュネットワークス インコーポレイテッド 無線通信ネットワークの性能全体を改良するためのシステム及び方法
EP1632045B1 (fr) 2003-06-06 2013-08-21 Meshnetworks, Inc. Systeme et procede permettant la fiabilite et la differenciation de services dans des reseaux particuliers
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Also Published As

Publication number Publication date
GB2229064A (en) 1990-09-12
GB8713680D0 (en) 1990-05-16
US5034961A (en) 1991-07-23
DE3820454A1 (de) 1991-01-10
GB2229064B (en) 1990-12-12
FR2655220A1 (fr) 1991-05-31

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Legal Events

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