MX9800377A - Sistema de comunicaciones por satelite que tiene monitoreo y control de exposicion de la radiofrecuencia del usuario. - Google Patents

Sistema de comunicaciones por satelite que tiene monitoreo y control de exposicion de la radiofrecuencia del usuario.

Info

Publication number
MX9800377A
MX9800377A MX9800377A MX9800377A MX9800377A MX 9800377 A MX9800377 A MX 9800377A MX 9800377 A MX9800377 A MX 9800377A MX 9800377 A MX9800377 A MX 9800377A MX 9800377 A MX9800377 A MX 9800377A
Authority
MX
Mexico
Prior art keywords
user
gateway
calls
control
connection
Prior art date
Application number
MX9800377A
Other languages
English (en)
Other versions
MXPA98000377A (es
Inventor
Robert A Wiedeman
Paul A Monte
Michael J Sites
Original Assignee
Globalstar Lp
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 Globalstar Lp filed Critical Globalstar Lp
Publication of MX9800377A publication Critical patent/MX9800377A/es
Publication of MXPA98000377A publication Critical patent/MXPA98000377A/es

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
    • H04B7/1853—Satellite systems for providing telephony service to a mobile station, i.e. mobile satellite service
    • H04B7/18539—Arrangements for managing radio, resources, i.e. for establishing or releasing a connection
    • H04B7/18543—Arrangements for managing radio, resources, i.e. for establishing or releasing a connection for adaptation of transmission parameters, e.g. power control
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/04—TPC
    • H04W52/30—TPC using constraints in the total amount of available transmission power
    • H04W52/34—TPC management, i.e. sharing limited amount of power among users or channels or data types, e.g. cell loading
    • 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
    • H04B7/204—Multiple access
    • H04B7/216—Code division or spread-spectrum multiple access [CDMA, SSMA]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W84/00—Network topologies
    • H04W84/02—Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
    • H04W84/04—Large scale networks; Deep hierarchical networks
    • H04W84/06—Airborne or Satellite Networks

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Astronomy & Astrophysics (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • General Physics & Mathematics (AREA)
  • Radio Relay Systems (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Radio Transmission System (AREA)

Abstract

Un método y sistema en donde una compuerta del sistema determina si una densidad de energía transmitida promediada asociada con la antena de la terminal de usuario será igual o excederá por lo menos un nivel de umbral predeterminado, dentro de un periodo especificado, o un nivel de umbral absoluto; si la compuerta determina que un umbral probablemente será excedido si se mantiene la conexion de llamada, la compuerta termina la conexion; un tono o indicador visual se puede emplear para advertir al usuario que terminará una conexion de corriente o llamada; se hacen provisiones para permitir que se hagan tipos de llamadas predeterminadas, por ejemplo, llamadas de emergencia, durante un periodo de corte en donde la terminal de usuario no puede hacer más llamadas.
MXPA/A/1998/000377A 1995-07-13 1998-01-12 Sistema de comunicaciones por satelite que tiene monitoreo y control de exposicion de la radiofrecuencia del usuario MXPA98000377A (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08502151 1995-07-13
US08/502,151 US5802445A (en) 1995-07-13 1995-07-13 Methods and apparatus for providing user RF exposure monitoring and control in a satellite communications system

Publications (2)

Publication Number Publication Date
MX9800377A true MX9800377A (es) 1998-07-31
MXPA98000377A MXPA98000377A (es) 1998-11-09

Family

ID=

Also Published As

Publication number Publication date
US6134423A (en) 2000-10-17
CA2179224A1 (en) 1997-01-14
EP0753943A3 (en) 1998-01-07
AU6385596A (en) 1997-02-10
EP0753943A2 (en) 1997-01-15
BR9609571A (pt) 1999-03-02
KR970008968A (ko) 1997-02-24
JPH0969807A (ja) 1997-03-11
US5802445A (en) 1998-09-01
WO1997003505A1 (en) 1997-01-30
TW293978B (es) 1996-12-21

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Legal Events

Date Code Title Description
FA Abandonment or withdrawal