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Method of power regulation in satellite telecommunication network with at least two satellites in view

A technology of telecommunication network and satellite, which is applied in the field of satellite telecommunication network and can solve problems such as no satisfactory solution proposed

Inactive Publication Date: 2003-10-08
ALCATEL ESPACE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The prior art does not propose a solution that satisfies the requirements in a multi-satellite visibility-type satellite telecommunication network that does not use the techniques referred to in the preamble of this specification

Method used

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  • Method of power regulation in satellite telecommunication network with at least two satellites in view
  • Method of power regulation in satellite telecommunication network with at least two satellites in view
  • Method of power regulation in satellite telecommunication network with at least two satellites in view

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Embodiment Construction

[0049] The two stations SE and SR implementing the invention now combine figure 2 to describe. According to the invention it is assumed that the station SE is able to set up a call to the station SR via one of the N=2 satellites or the two satellites 1 and 2 of N=2. Station SE comprises a receiver / demodulator 14; (N+1)=3 power control units 10, 11 and 12; a selector unit 13 and a transmitter / modulator 15. Station SR comprises a receiver / demodulator 20 , a signal processing unit 20 , a measurement unit 21 and a transmitter / modulator 22 in cascade.

[0050] For a given call involving station SE transmitting a signal SIG to station SR, station SE may generate N=2 combined first channel signals SIG1 and SIG2 via respective satellites 1 and 2 at respective transmitted to the station SR on different propagation paths or channels, and the SIG1 and SIG2 are received by the station SR in the form of a combined second channel signal, together forming one global received signal, or th...

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Abstract

The method involves regulating the power of transmission between first and second stations in a multiple satellite visibility satellite telecommunication network. The method comprises the following cyclic steps: regulation, for each of said N channels, of an isolated transmit power level command signal such that when it commands the power at which the first station transmits the first isolated signal in each channel the quality level of the corresponding isolated second signal received by the second station is equal to a reference quality level, and regulation, for all of the N channels, of N combined transmit power level command signals such that when they command the levels at which the first station respectively transmits the N first combined signals on the N channels the quality level of the global signal received formed from the N combined second signals is equal to the reference quality level.

Description

technical field [0001] The present invention relates to a satellite telecommunications network, and more particularly to a method of regulating transmission power between a first or transmitting station and a second or receiving station in a satellite telecommunications network. In the multi-satellite visible type network involved in the present invention, the communication signal transmitted from the first station to the second station can be selected to be transmitted via different propagation paths of N satellites visible from both stations, and the The form is that the N combined first signals received by the second station in the form of N combined second signals together form a globally received signal, which can also be selected to be transmitted via one of the N satellites on the corresponding propagation path. The form is an independent first signal received by the second station in the form of an independent second signal, and N is an integer greater than or equal to...

Claims

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Application Information

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IPC IPC(8): H04B7/155H04B7/005H04B7/185H04B7/26
CPCH04B7/18543H04W52/42
Inventor 圭劳莫·卡劳特阿兰·佛尼奥塞里尔·米切尔丹尼斯·罗菲特
Owner ALCATEL ESPACE
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