IT1299438B1 - Procedimento ed apparecchio per rispondere ad un ambiente che presenta delle zone d'ombra in un sistema di comunicazioni - Google Patents

Procedimento ed apparecchio per rispondere ad un ambiente che presenta delle zone d'ombra in un sistema di comunicazioni

Info

Publication number
IT1299438B1
IT1299438B1 IT98RM000270A ITRM980270A IT1299438B1 IT 1299438 B1 IT1299438 B1 IT 1299438B1 IT 98RM000270 A IT98RM000270 A IT 98RM000270A IT RM980270 A ITRM980270 A IT RM980270A IT 1299438 B1 IT1299438 B1 IT 1299438B1
Authority
IT
Italy
Prior art keywords
respond
procedure
communication system
shadow areas
environment presenting
Prior art date
Application number
IT98RM000270A
Other languages
English (en)
Inventor
Rodrigo Ibanez-Meier
Randy Lee Turcotte
Richard Lawrence Astrom
Sergio Aguirre
Original Assignee
Motorola Inc
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 Motorola Inc filed Critical Motorola Inc
Publication of ITRM980270A0 publication Critical patent/ITRM980270A0/it
Publication of ITRM980270A1 publication Critical patent/ITRM980270A1/it
Application granted granted Critical
Publication of IT1299438B1 publication Critical patent/IT1299438B1/it

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/14—Relay systems
    • H04B7/15—Active relay systems
    • H04B7/185—Space-based or airborne stations; Stations for satellite systems
    • H04B7/1851—Systems using a satellite or space-based relay
    • H04B7/18513—Transmission in a satellite or space-based system

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Astronomy & Astrophysics (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Radio Relay Systems (AREA)
  • Mobile Radio Communication Systems (AREA)
IT98RM000270A 1997-04-25 1998-04-24 Procedimento ed apparecchio per rispondere ad un ambiente che presenta delle zone d'ombra in un sistema di comunicazioni IT1299438B1 (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/845,487 US5946603A (en) 1997-04-25 1997-04-25 Method and apparatus to respond to a blockage environment in a communication system

Publications (3)

Publication Number Publication Date
ITRM980270A0 ITRM980270A0 (it) 1998-04-24
ITRM980270A1 ITRM980270A1 (it) 1999-10-24
IT1299438B1 true IT1299438B1 (it) 2000-03-16

Family

ID=25295349

Family Applications (1)

Application Number Title Priority Date Filing Date
IT98RM000270A IT1299438B1 (it) 1997-04-25 1998-04-24 Procedimento ed apparecchio per rispondere ad un ambiente che presenta delle zone d'ombra in un sistema di comunicazioni

Country Status (16)

Country Link
US (1) US5946603A (it)
EP (1) EP0914725A1 (it)
JP (1) JP2000513912A (it)
CN (1) CN1224550A (it)
AU (1) AU7107298A (it)
CA (1) CA2259331A1 (it)
DE (1) DE19880706T1 (it)
FI (1) FI982766A (it)
FR (1) FR2762731B1 (it)
GB (1) GB2330731B (it)
IL (1) IL127610A0 (it)
IT (1) IT1299438B1 (it)
NO (1) NO986069L (it)
SE (1) SE9804526L (it)
TW (1) TW376600B (it)
WO (1) WO1998049789A1 (it)

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US6169881B1 (en) * 1998-05-04 2001-01-02 Motorola, Inc. Method and apparatus for predicting impending service outages for ground-to-satellite terminal in a satellite communication system
US6208835B1 (en) * 1998-07-01 2001-03-27 Hughes Electronics Corporation Methods for enhancing service and reducing service cost in mobile satellite systems
SE519366C2 (sv) * 1998-11-17 2003-02-18 Ericsson Telefon Ab L M Metod och anordningar rörande ett radiokommunikationssystem
US6678520B1 (en) * 1999-01-07 2004-01-13 Hughes Electronics Corporation Method and apparatus for providing wideband services using medium and low earth orbit satellites
US6400927B1 (en) * 1999-08-30 2002-06-04 Motorola, Inc. Method and apparatus for a mapping receiver
US6845243B1 (en) * 2000-03-24 2005-01-18 Aubrey L. Gaddy Method and system for assessing the susceptibility of a wireless communication channel to wind-induced fading
US6725013B1 (en) 2000-06-15 2004-04-20 Hughes Electronics Corporation Communication system having frequency reuse in non-blocking manner
US7200360B1 (en) 2000-06-15 2007-04-03 The Directv Group, Inc. Communication system as a secondary platform with frequency reuse
US6430505B1 (en) * 2000-07-12 2002-08-06 Trimble Navigation Limited Automatic charting of obstructions for mission planning
US20030095302A1 (en) * 2001-06-23 2003-05-22 Schuster John J. Determination of transmission blockage in an optical telecommunication system
US7373105B2 (en) * 2001-11-07 2008-05-13 The Aerospace Corporation Method of determining communication link quality employing beacon signals
JP3931860B2 (ja) * 2003-07-30 2007-06-20 アイシン精機株式会社 移動体通信装置
JP4620976B2 (ja) * 2004-07-13 2011-01-26 株式会社日立国際電気 信号伝送システム
WO2006113689A2 (en) 2005-04-17 2006-10-26 Trimble Navigation Limited Enhanced gnss signal processing
WO2006115870A2 (en) * 2005-04-20 2006-11-02 Becton Dickinson And Company Multiplex microparticle system
US7508342B2 (en) * 2005-11-18 2009-03-24 The Boeing Company Satellite antenna positioning system
US8224241B1 (en) * 2007-07-05 2012-07-17 Nextel Communications Inc. System and method for antenna orientation for mobile applications
US20090191880A1 (en) * 2008-01-29 2009-07-30 Nokia Siemens Networks Oy Method for using high resolution ribbon maps to design fixed radio network links
ATE514243T1 (de) * 2008-05-10 2011-07-15 Research In Motion Ltd Verfahren und vorrichtungen zur signalstärkenanzeige
US8194573B1 (en) * 2008-07-14 2012-06-05 L-3 Communications, Corp. Directional access network control system and method
US9130270B1 (en) 2008-11-24 2015-09-08 The Boeing Company Scan alignment system
US8279117B2 (en) * 2008-11-24 2012-10-02 The Boeing Company Burst optimized tracking algorithm
US8626097B2 (en) * 2009-12-30 2014-01-07 Echostar Technologies L.L.C. Methods and apparatus for identifying signal degradation in a receiver
FR2993118B1 (fr) * 2012-07-05 2015-04-03 Thales Sa Procede ameliore et systeme d'emission de donnes satellitaires
US9235923B1 (en) 2012-09-28 2016-01-12 Google Inc. Systems and methods for providing a visualization of satellite sightline obstructions
IL231180A (en) * 2014-02-26 2017-11-30 Elbit Systems Land & C4I Ltd A method and system for treating line of sight in satellite communications networks
US9794798B2 (en) * 2014-12-29 2017-10-17 Alcatel Lucent Leaky repeater access node
US10073179B2 (en) * 2015-03-24 2018-09-11 Elwha Llc Systems, methods and devices for satellite navigation reconciliation
US10361771B2 (en) 2016-01-22 2019-07-23 Viasat, Inc. Determining an attenuation environment of a satellite communication terminal
US10444373B2 (en) * 2016-09-29 2019-10-15 Hughes Network Systems, Llc Method and system for dealing with antenna blockage in a low earth orbit constellation
WO2018142618A1 (ja) * 2017-02-06 2018-08-09 三菱電機株式会社 スケジューラ装置およびスケジューリング方法
US10894272B2 (en) 2018-06-29 2021-01-19 Sulzer Mixpac Ag Dispensing control system
US11044008B2 (en) * 2018-12-19 2021-06-22 Hughes Network Systems, Llc Systems for mitigating service interrupts in satellite systems
US10903898B1 (en) * 2019-08-02 2021-01-26 Hughes Network Systems, Llc Changing antenna direction based on satellite blockage detection

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US5303286A (en) * 1991-03-29 1994-04-12 Space Systems/Loral, Inc. Wireless telephone/satellite roaming system
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FI100043B (fi) * 1992-01-23 1997-08-29 Nokia Telecommunications Oy Solukkoradioverkon suunnittelumenetelmä ja -järjestelmä
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US5669063A (en) * 1992-09-28 1997-09-16 The United States Of America As Represented By The Secretary Of The Army Method of establishing line of sight propagation
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Also Published As

Publication number Publication date
GB9827960D0 (en) 1999-02-10
CA2259331A1 (en) 1998-11-05
JP2000513912A (ja) 2000-10-17
FI982766A (fi) 1999-01-29
IL127610A0 (en) 1999-10-28
ITRM980270A0 (it) 1998-04-24
CN1224550A (zh) 1999-07-28
GB2330731A (en) 1999-04-28
AU7107298A (en) 1998-11-24
EP0914725A1 (en) 1999-05-12
SE9804526D0 (sv) 1998-12-23
FR2762731B1 (fr) 1999-09-03
TW376600B (en) 1999-12-11
NO986069L (no) 1999-02-22
US5946603A (en) 1999-08-31
FR2762731A1 (fr) 1998-10-30
NO986069D0 (no) 1998-12-23
SE9804526L (sv) 1999-02-23
FI982766A0 (fi) 1998-12-21
DE19880706T1 (de) 1999-06-17
ITRM980270A1 (it) 1999-10-24
WO1998049789A1 (en) 1998-11-05
GB2330731B (en) 1999-09-15

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