公开(公告)号：US11881928B2

公开(公告)日：2024-01-23

申请号：US16500778

申请日：2018-03-27

Applicant: THALES

Inventor： Mathieu Gineste ,  David Niddam ,  Nicolas Chuberre

IPC: H04B7/185 ,  H04B7/195 ,  H04W74/08

CPC classification number: H04B7/1858 ,  H04B7/18504 ,  H04B7/18517 ,  H04B7/195 ,  H04W74/0833

Abstract: A method of space communication for IoT or equivalent services increases the number of terminals served on a space transmission resource while limiting the signaling used by the terminal. This limitation is obtained on the one hand by the allotting to each terminal of a logical beam, corresponding to a predetermined fixed geographical area wherein the terminal lies. This limitation is obtained on the other hand by management, centralized at the level of a central entity for connecting to the space network, of the association of the terminal with a logical beam and of the association of the resources bound for the logical attachment beam. A space telecommunications system implements a method of space communication. The method of space communication allows transparent switchover from a terrestrial system to the space system when the terrestrial system and the space system are integrated to a high degree, particularly at the level of the terminal.

公开(公告)号：US10382227B2

公开(公告)日：2019-08-13

申请号：US15619179

申请日：2017-06-09

Applicant: THALES

Inventor： Mathieu Arnaud ,  Cédric Baudoin ,  David Niddam ,  Patrick Lautier

IPC: H04L12/46 ,  H04B7/15 ,  H04B7/185 ,  H04L12/66 ,  H04L29/06

Abstract: A method comprises a preprocessing step consisting, in the gateway station, in pre-segmenting the data as a function of the carrier frequency which is dedicated to them on the downlink DL, in reassembling and in encapsulating the pre-segmented data in successive basic frames DL BB-Frames, that can be transmitted over the downlink, each basic frame DL BB-Frame of the downlink being encapsulated by addition of a specific transport header DL BB-TH on the downlink and a data field, and a step consisting, in the gateway station, in incorporating the different basic frames DL BB-Frames of the downlink in the data field of the different basic frames UL BB-Frames of the uplink.

公开(公告)号：US10104697B2

公开(公告)日：2018-10-16

申请号：US15269679

申请日：2016-09-19

Applicant: THALES

Inventor： David Niddam ,  Mathieu Gineste ,  Cécile Faure ,  Isabelle Ulpat

IPC: H04W74/08 ,  H04B7/185 ,  H04L12/24 ,  H04L12/26 ,  H04L12/801

Abstract: A method of adapting the capacity of a contention transmission channel between terminals and a connection station comprises a step of continuous estimation, using measurements in reception of expected bursts, a probability of receiving an empty expected burst Pe, or the probability Pe and a measured probability of receiving a burst Ps, or a probability of receiving a burst having undergone a collision Pc. The method determines a current quantity Gr, monotonically sensitive to the external loading of the contention channel, using an estimated probability, Pe or Pc, or of the two estimated probabilities Pe and Ps, and detects whether a crossing of a threshold from among two predetermined thresholds while deviating from a fixed nominal value of Gr has occurred to decide to increase or decrease the current capacity of the transmission channel. The connection station notifies the terminals in quasi-real-time of the current composition of the transmission channel.