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Satellite communication system

A satellite, burst signal technology, applied in the field of satellite communication systems

Pending Publication Date: 2022-02-08
ST ENG IDIRECT EURO CY NV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, this creates an additional delay of 1 second between the last bit of the previous burst and the first bit of the new burst
Such a 1 second interruption is unacceptable in terms of voice communication

Method used

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  • Satellite communication system
  • Satellite communication system
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Examples

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Embodiment Construction

[0071] The present invention will be described with respect to particular embodiments and with reference to certain drawings but the invention is not limited thereto but only by the claims.

[0072] Furthermore, the terms first, second, etc. in the description and claims are used to distinguish similar elements and not necessarily to describe an order in time, space, arrangement or any other way. It is to be understood that the terms so used are interchangeable under appropriate circumstances and that the embodiments of the invention described herein are capable of operation in other sequences than described or illustrated herein.

[0073] It is to be noted that the term "comprising", used in the claims, should not be interpreted as being limited to the means listed thereafter; it does not exclude other elements or steps. Accordingly, it is to be interpreted as specifying the presence of the stated features, integers, steps or components mentioned, but not excluding the presen...

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Abstract

The present invention relates to a system (100) for communication via satellite (102) between a gateway (101) and a plurality of terminals (103). The system comprises : a controller device (106) to calculate a time-frequency plan of burst signals from a terminal and to transmit transmit, based on the time-frequency plan, to the terminal information comprising configuration information on transmit burst signals; a multi-carrier demodulator structure (107) arranged to receive a resulting signal (104) comprising one or more receive signals and arranged to receive receive information for the receive signals, said multi-carrier demodulator structure comprising one or more multi-carrier demodulator devices, each with: a channelizer (1002) to serialize the receive signals, yielding a serialized stream of sample segments corresponding to the receive signals, a processing block to receive that stream of sample segments and to perform * demodulation of the sample segments based on the sample segment content, on a state indicative of the receive signal to which the sample segment belongs and on said receive information, * pre-FEC word aggregation, * demapping and decoding.

Description

technical field [0001] The present invention relates generally to the field of satellite communication systems. Background technique [0002] Satellite communication services have been important in various fields for decades. An example is satellite internet for consumer, but also enterprise (eg, oil rigs), and government and defense applications. [0003] Two-way satellite communication services are generally considered where there is a link from the hub to the terminal, known as the forward (FWD) link, and a link from the terminal to the hub, known as the return (RTN) link. Where there are multiple terminals per hub, the network is known as a star network. exist figure 1 A typical satellite two-way star network is shown in . A hub or gateway (1) communicates with terminals (3) via at least one satellite (2). In such a system, multiple terminals can be covered by a single hub. A satellite communication service may contain several hubs. [0004] In the return link of ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04B7/185H04L5/00
CPCH04B7/18517H04L5/0044H04L5/0048H04B7/185H04L5/0005H04B7/18508H04B7/18515H04B7/18586H04L1/0057
Inventor A·罗尔勒P·德尔贝克
Owner ST ENG IDIRECT EURO CY NV
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