CA2301455A1 - Load shedding method to enhance uplink margin with combined fdma/tdma uplinks - Google Patents

Load shedding method to enhance uplink margin with combined fdma/tdma uplinks Download PDF

Info

Publication number
CA2301455A1
CA2301455A1 CA002301455A CA2301455A CA2301455A1 CA 2301455 A1 CA2301455 A1 CA 2301455A1 CA 002301455 A CA002301455 A CA 002301455A CA 2301455 A CA2301455 A CA 2301455A CA 2301455 A1 CA2301455 A1 CA 2301455A1
Authority
CA
Canada
Prior art keywords
satellite
load shedding
shedding method
uplink carrier
enhance uplink
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.)
Granted
Application number
CA002301455A
Other languages
French (fr)
Other versions
CA2301455C (en
Inventor
David A. Wright
Donald C. Wilcoxson
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.)
Northrop Grumman Corp
Original Assignee
TRW 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 TRW Inc filed Critical TRW Inc
Publication of CA2301455A1 publication Critical patent/CA2301455A1/en
Application granted granted Critical
Publication of CA2301455C publication Critical patent/CA2301455C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B7/00Radio transmission systems, i.e. using radiation field
    • H04B7/14Relay systems
    • H04B7/15Active relay systems
    • H04B7/185Space-based or airborne stations; Stations for satellite systems
    • H04B7/1851Systems using a satellite or space-based relay
    • H04B7/18513Transmission in a satellite or space-based system

Abstract

A load shedding method and apparatus to enhance uplink margin between a terrestrial terminal (14) and a satellite (12) in a satellite based communications system (10) is provided. The terrestrial terminal (14) includes a multi-carrier network (40) that generates a plurality of uplink carrier channels. A RF transmit and receive system (48) transmits the plurality of uplink carrier channels to the satellite (12). A terminal control unit (46) determines an attenuation level on the plurality of uplink carrier channels transmitted to the satellite (12). The terminal control unit (46) also instructs the multi-carrier network (40) to increase or decrease the number of uplink carrier channels to be transmitted to the satellite.
CA002301455A 1999-03-24 2000-03-21 Load shedding method to enhance uplink margin with combined fdma/tdma uplinks Expired - Fee Related CA2301455C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/275,594 1999-03-24
US09/275,594 US6272340B1 (en) 1999-03-24 1999-03-24 Load shedding method to enhance uplink margin with combined FDMA/TDMA uplinks

Publications (2)

Publication Number Publication Date
CA2301455A1 true CA2301455A1 (en) 2000-09-24
CA2301455C CA2301455C (en) 2004-06-01

Family

ID=23053023

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002301455A Expired - Fee Related CA2301455C (en) 1999-03-24 2000-03-21 Load shedding method to enhance uplink margin with combined fdma/tdma uplinks

Country Status (6)

Country Link
US (1) US6272340B1 (en)
EP (1) EP1039659B1 (en)
JP (1) JP3482174B2 (en)
AT (1) ATE296505T1 (en)
CA (1) CA2301455C (en)
DE (1) DE60020289T2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8808373B2 (en) * 2012-06-13 2014-08-19 Elwha Llc Breast implant with regionalized analyte sensors responsive to external power source

Families Citing this family (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6956840B1 (en) 1998-09-21 2005-10-18 Ipr Licensing, Inc. Power control protocol for highly variable data rate reverse link of a wireless communication system
US6763006B1 (en) * 1999-09-22 2004-07-13 Sola Communications, Inc. Method and apparatus for controlling uplink transmission power within a satellite communication system
US6466569B1 (en) * 1999-09-29 2002-10-15 Trw Inc. Uplink transmission and reception techniques for a processing satelliteation satellite
US6711398B1 (en) * 2000-04-19 2004-03-23 Hughes Electronics Corporation Radio signal broadcast system and method
US7366463B1 (en) 2000-05-05 2008-04-29 The Directv Group, Inc. Military UHF and commercial Geo-mobile system combination for radio signal relay
US7047029B1 (en) 2001-09-10 2006-05-16 The Directv Group, Inc. Adaptive transmission system
US9485010B1 (en) 2001-09-10 2016-11-01 The Directv Group, Inc. Adaptive coding and modulation for spot beam satellite broadcast
US7174179B2 (en) * 2001-09-20 2007-02-06 Itt Manufacturing Enterprises, Inc. Methods and apparatus for mitigating rain fading over SATCOM links via information throughput adaptation
JP2004128993A (en) * 2002-10-03 2004-04-22 Ntt Docomo Inc Control method for transmission power, base station, mobile station, and radio communication system
KR100524378B1 (en) * 2002-11-20 2005-10-31 한국전자통신연구원 Method for adaptive packet transmission in a multibeam satellite communication system
US7653349B1 (en) 2003-06-18 2010-01-26 The Directv Group, Inc. Adaptive return link for two-way satellite communication systems
US20050175119A1 (en) * 2004-02-09 2005-08-11 Worley David A. Forward link quality link monitoring apparatus and method
WO2005112296A2 (en) * 2004-04-29 2005-11-24 Interdigital Technology Corporation Wireless communication method and system for configuring radio access bearers for enhanced uplink services
WO2005115025A2 (en) * 2004-05-07 2005-12-01 Interdigital Technology Corporation Wireless communication system and method for configuring cells with enhanced uplink services
US7532860B2 (en) * 2004-09-21 2009-05-12 The Directv Group, Inc. Method of using feedback from consumer terminals to adaptively control a satellite system
US7639981B2 (en) * 2004-11-02 2009-12-29 Atc Technologies, Llc Apparatus and methods for power control in satellite communications systems with satellite-linked terrestrial stations
US8929281B2 (en) * 2006-09-15 2015-01-06 Qualcomm Incorporated Methods and apparatus related to peer to peer device
US8369800B2 (en) * 2006-09-15 2013-02-05 Qualcomm Incorporated Methods and apparatus related to power control and/or interference management in a mixed wireless communications system
US8094606B1 (en) * 2007-06-15 2012-01-10 Vt Idirect, Inc. Adjusting transmission power under changing conditions
FR2920595B1 (en) * 2007-09-05 2011-03-04 Eversat SOUND SATELLITE ANTENNA AND PORTABLE STATION
US8480679B2 (en) * 2008-04-29 2013-07-09 Otismed Corporation Generation of a computerized bone model representative of a pre-degenerated state and useable in the design and manufacture of arthroplasty devices
US8730086B2 (en) * 2008-08-26 2014-05-20 Viasat, Inc. Weather detection using satellite communication signals
US20100260127A1 (en) * 2009-04-09 2010-10-14 Eagle River Holdings Llc System and method for robust transmission in an orthogonal frequency division multiplexed communication system
KR20120072037A (en) * 2010-12-23 2012-07-03 한국전자통신연구원 Apparatus and method for allocating beam bandwidth in multi-spot beam satellite system
US9153877B2 (en) * 2011-12-20 2015-10-06 Space Systems/Loral, Llc High efficiency multi-beam antenna
US8787144B2 (en) * 2012-06-29 2014-07-22 Cable Television Laboratories, Inc. Interleaved signaling
US9031559B2 (en) 2012-11-20 2015-05-12 At&T Mobility Ii Llc Facilitation of adaptive traffic flow management by a power-limited mobile device
US9066300B2 (en) * 2012-12-07 2015-06-23 At&T Mobility Ii Llc Dynamic power class re-registration of mobile devices
US11688921B1 (en) * 2021-12-27 2023-06-27 Hughes Network Systems, Llc Satellite-communications gateway

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5768684A (en) * 1994-03-04 1998-06-16 Motorola, Inc. Method and apparatus for bi-directional power control in a digital communication system
US5924015A (en) * 1996-04-30 1999-07-13 Trw Inc Power control method and apparatus for satellite based telecommunications system
US6587687B1 (en) * 1996-10-21 2003-07-01 Globalstar L.P. Multiple satellite fade attenuation control system
US5956619A (en) * 1996-12-12 1999-09-21 Globalstar L.P. Satellite controlled power control for personal communication user terminals

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8808373B2 (en) * 2012-06-13 2014-08-19 Elwha Llc Breast implant with regionalized analyte sensors responsive to external power source

Also Published As

Publication number Publication date
EP1039659A3 (en) 2003-05-21
DE60020289T2 (en) 2006-05-04
JP2000307497A (en) 2000-11-02
US6272340B1 (en) 2001-08-07
EP1039659A2 (en) 2000-09-27
DE60020289D1 (en) 2005-06-30
CA2301455C (en) 2004-06-01
JP3482174B2 (en) 2003-12-22
ATE296505T1 (en) 2005-06-15
EP1039659B1 (en) 2005-05-25

Similar Documents

Publication Publication Date Title
CA2301455A1 (en) Load shedding method to enhance uplink margin with combined fdma/tdma uplinks
US20060072520A1 (en) Time synchronized standby state to the GPRS medium access control protocol with applications to mobile satellite systems
US5390165A (en) Method and apparatus for transmitting digital data packets on a wireless channel
CA2386746A1 (en) Method of operating a radiocommunications system
EP1906547A3 (en) A base station apparatus and a mobile station apparatus
GB2330490A (en) Power presetting in a radio communication system
CA2296509A1 (en) Computer controlled broadband wireless system
GB2330731A (en) Communications blockage environment response method and apparatus
IL84198A0 (en) Spread spectrum multiple access communication system using terrestrial repeaters
CA2243338A1 (en) Interference reduction in shared-frequency wireless communication systems
HK1004183A1 (en) Power control method and arrangement for handover in a mobile communication system.
EP0825730A3 (en) Method and system for controlling uplink power in a high data rate satellite communication system employing on-board demodulation and remodulation
AU5616699A (en) Air interface for telecommunications systems with cordless telecommunications between mobile and/or stationary transmitting/receiving devices
CA2199441A1 (en) Power-saving method and circuit
EP1050173A4 (en) Vsat satellite telecommunications system
EP0780997A3 (en) Communication satellite load balancing system and method
WO1998051027A3 (en) Method and apparatus for producing delay of a carrier signal for implementing spatial diversity in a communication system
CA2156042A1 (en) Satellite Communication System with Variable Number of Satellite Communication Channels
WO2004034593A3 (en) Uplink power control using loopback communications carriers
WO1997022188A3 (en) A mobile-link system for a radio communication system with diversity reception of selected uplink signals
EP0098388A3 (en) Satellite communication system and method with distributed transmission control
HK1070762A1 (en) Method and device for satellite uplink power control
US4706243A (en) Single-channel-per-carrier communication system including a voice-activated transmission power controller
EP1062748B1 (en) Switching vsat transmitter
GB2331202A (en) Radio telemetry system

Legal Events

Date Code Title Description
EEER Examination request
MKLA Lapsed