PT90113A - Rede de comunicacao radio - Google Patents

Rede de comunicacao radio

Info

Publication number
PT90113A
PT90113A PT9011389A PT9011389A PT90113A PT 90113 A PT90113 A PT 90113A PT 9011389 A PT9011389 A PT 9011389A PT 9011389 A PT9011389 A PT 9011389A PT 90113 A PT90113 A PT 90113A
Authority
PT
Portugal
Prior art keywords
communication network
radio communication
radio
network
communication
Prior art date
Application number
PT9011389A
Other languages
English (en)
Inventor
Daniel Vincent Mccaughan
Boleslaw Marian Sosin
Original Assignee
Marconi Co 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 Marconi Co Ltd filed Critical Marconi Co Ltd
Publication of PT90113A publication Critical patent/PT90113A/pt

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W64/00—Locating users or terminals or network equipment for network management purposes, e.g. mobility management
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
    • G01S13/87—Combinations of radar systems, e.g. primary radar and secondary radar
    • G01S13/878—Combination of several spaced transmitters or receivers of known location for determining the position of a transponder or a reflector
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S5/00—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations
    • G01S5/02—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations using radio waves
    • G01S5/14—Determining absolute distances from a plurality of spaced points of known location

Landscapes

  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Exchange Systems With Centralized Control (AREA)
PT9011389A 1988-03-26 1989-03-23 Rede de comunicacao radio PT90113A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8807286A GB2215932A (en) 1988-03-26 1988-03-26 Radio position finding system

Publications (1)

Publication Number Publication Date
PT90113A true PT90113A (pt) 1989-11-10

Family

ID=10634199

Family Applications (1)

Application Number Title Priority Date Filing Date
PT9011389A PT90113A (pt) 1988-03-26 1989-03-23 Rede de comunicacao radio

Country Status (7)

Country Link
EP (1) EP0335558A3 (pt)
JP (1) JPH01298820A (pt)
AU (1) AU3168789A (pt)
FI (1) FI891413A (pt)
GB (1) GB2215932A (pt)
NO (1) NO891255L (pt)
PT (1) PT90113A (pt)

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SE466081B (sv) * 1990-04-26 1991-12-09 Ericsson Telefon Ab L M Foerfarande vid handoff i ett mobilradiosystem
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DE4321418A1 (de) * 1993-06-26 1995-01-05 Deutsche Aerospace Verfahren zur Ortung von Mobilstationen in einem zellular aufgebauten Mobilfunknetz sowie Mobilfunknetz zur Durchführung des Verfahrens
DE4409178A1 (de) * 1994-03-17 1995-09-21 Siemens Ag Verfahren und Anordnung zum Ermitteln der Position von Mobilstationen in einem Mobilfunksystem
FI105515B (fi) * 1995-05-24 2000-08-31 Nokia Networks Oy Menetelmä kanavanvaihdon nopeuttamiseksi sekä solukkoradiojärjestelmä
FI960381A (fi) * 1996-01-26 1997-07-27 Nokia Telecommunications Oy Matkaviestimen paikallistaminen digitaalisessa matkaviestinjärjestelmässä
US6108555A (en) * 1996-05-17 2000-08-22 Ksi, Inc. Enchanced time difference localization system
GB2356782B (en) * 1996-06-06 2001-08-15 Qualcomm Inc Determining the position of a mobile station in a CDMA cellular telephone system
NL1005179C2 (nl) * 1997-02-04 1998-08-06 Koninkl Kpn Nv Systeem voor lokatiebepaling van een transponder.
DE69830936T2 (de) 1997-02-21 2006-04-20 Hughes Electronics Corp., El Segundo Verfahren und Vorrichtung zur Ortsbestimmung für Sende-Empfanganlage mittels Zweiweg-Entfernungsbestimmung in einer polystatischen Satellitenkonfiguration mit Bodenradar
US6377208B2 (en) 1997-02-21 2002-04-23 Hughes Electronics Corporation Method and system for determining a position of a transceiver unit utilizing two-way ranging in a polystatic satellite configuration
US6011974A (en) * 1997-09-23 2000-01-04 Telefonaktiebolaget L M Ericsson (Publ) Method and system for determining position of a cellular mobile terminal
FI105384B (fi) * 1997-10-03 2000-07-31 Nokia Networks Oy Menetelmä päätelaitteen sijainnin määrittämiseksi ja solukkoradiojärjestelmä
US6201499B1 (en) * 1998-02-03 2001-03-13 Consair Communications Time difference of arrival measurement system
US6289211B1 (en) * 1998-03-26 2001-09-11 Erksson Inc Method for determining the position of a mobile station
US6125278A (en) * 1998-07-27 2000-09-26 Wieczorek; Alfred A. Method for optimizing resource allocation based on subscriber transmission history
US6229477B1 (en) 1998-10-16 2001-05-08 Hughes Electronics Corporation Method and system for determining a position of a communication satellite utilizing two-way ranging
US6337980B1 (en) 1999-03-18 2002-01-08 Hughes Electronics Corporation Multiple satellite mobile communications method and apparatus for hand-held terminals
US6785553B2 (en) 1998-12-10 2004-08-31 The Directv Group, Inc. Position location of multiple transponding platforms and users using two-way ranging as a calibration reference for GPS
US6246363B1 (en) 1998-12-10 2001-06-12 Hughes Electronics Corporation Method and system for incorporating two-way ranging navigation as a calibration reference for GPS
US7089000B1 (en) 1999-03-18 2006-08-08 The Directv Group, Inc. Multi-node wireless communication system with multiple transponding platforms
US6990314B1 (en) 1999-03-18 2006-01-24 The Directv Group, Inc. Multi-node point-to-point satellite communication system employing multiple geo satellites
US6920309B1 (en) 1999-03-18 2005-07-19 The Directv Group, Inc. User positioning technique for multi-platform communication system
WO2001033890A1 (fr) * 1999-10-29 2001-05-10 Fujitsu Limited Technique de commande de transfert d'un systeme amcr, station de base utilisee a cet effet et unite de commande de station de base
US6963548B1 (en) 2000-04-17 2005-11-08 The Directv Group, Inc. Coherent synchronization of code division multiple access signals
US6756937B1 (en) 2000-06-06 2004-06-29 The Directv Group, Inc. Stratospheric platforms based mobile communications architecture
US7046718B1 (en) 2000-09-25 2006-05-16 The Directv Group, Inc. Coherent phase synchronous code division multiple access communications from multiple transponder platforms
US7103317B2 (en) * 2000-12-12 2006-09-05 The Directv Group, Inc. Communication system using multiple link terminals for aircraft
US7068733B2 (en) 2001-02-05 2006-06-27 The Directv Group, Inc. Sampling technique for digital beam former
US6559797B1 (en) 2001-02-05 2003-05-06 Hughes Electronics Corporation Overlapping subarray patch antenna system
JP3543769B2 (ja) * 2001-02-19 2004-07-21 株式会社日立製作所 移動端末の位置測定を行う装置
GB0201192D0 (en) * 2002-01-19 2002-03-06 Ugcs Ltd Method for the reduction of errors in raw measured data related to predefined data
DE10323004B4 (de) * 2003-05-21 2005-06-09 Siemens Ag Verfahren zur Positionsbestimmung einer mobilen Station eines Funkkommunikationssystems sowie Vorrichtung und Funkkommunikationssystem
US6839022B1 (en) * 2003-06-23 2005-01-04 Lucent Technologies Inc. Network support for subscriber access to mobile caller location information
KR101216551B1 (ko) * 2006-03-06 2012-12-31 콸콤 인코포레이티드 측정 스티칭을 사용한 위치 결정 방법
DE102008032749A1 (de) * 2008-07-11 2010-05-06 Siemens Aktiengesellschaft Verfahren und Vorrichtung zur Ortsbestimmung
US9074897B2 (en) 2009-06-15 2015-07-07 Qualcomm Incorporated Real-time data with post-processing
US8704707B2 (en) 2010-06-02 2014-04-22 Qualcomm Incorporated Position determination using measurements from past and present epochs
JP6822724B2 (ja) * 2016-11-04 2021-01-27 ホアウェイ・テクノロジーズ・カンパニー・リミテッド 測位情報伝送方法、基地局、装置、測位サーバ、コンピュータ可読記憶媒体およびプログラム

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US3646580A (en) * 1969-07-18 1972-02-29 Raytheon Co Surface vehicle fleet command and control system
US3714650A (en) * 1970-07-30 1973-01-30 Raytheon Co Vehicle command and control system
US4161730A (en) * 1977-10-17 1979-07-17 General Electric Company Radio determination using satellites transmitting timing signals with correction by active range measurement
GB1595146A (en) * 1977-10-17 1981-08-05 Gen Electric Position surveillance using one active ranging satellite and time of arrival of a signal from an independent satellite
US4229737A (en) * 1978-02-06 1980-10-21 Cubic Western Data Ranging system and method for determining the range of a vehicle from a plurality of reference points
DE3335128A1 (de) * 1983-09-28 1985-04-11 Siemens AG, 1000 Berlin und 8000 München Mobiles funknetz
US4791572A (en) * 1985-11-20 1988-12-13 Mets, Inc. Method for accurately displaying positional information on a map
DE3673642D1 (de) * 1986-04-11 1990-09-27 Ant Nachrichtentech Verfahren zum ermitteln der aufenthaltsfunkzelle einer mobilstation innerhalb eines mobilfunknetzes.
US4728959A (en) * 1986-08-08 1988-03-01 Ventana Sciences Inc. Direction finding localization system
FI78567C (fi) * 1987-12-18 1989-08-10 Nokia Mobira Oy Foerfarande foer lokalisering av en roerlig station, samt roerlig station och stoedstation foer utfoerande av foerfarandet.
DE3837633A1 (de) * 1988-11-05 1990-05-10 Bosch Gmbh Robert Ortungs- und navigationssystem fuer mobile funkstationen

Also Published As

Publication number Publication date
EP0335558A3 (en) 1991-03-20
FI891413A0 (fi) 1989-03-23
FI891413A (fi) 1989-09-27
JPH01298820A (ja) 1989-12-01
GB8807286D0 (en) 1988-04-27
GB2215932A (en) 1989-09-27
NO891255D0 (no) 1989-03-22
AU3168789A (en) 1989-09-28
EP0335558A2 (en) 1989-10-04
NO891255L (no) 1989-09-27

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Legal Events

Date Code Title Description
FC3A Refusal

Effective date: 19940315