公开(公告)号：US10931364B2

公开(公告)日：2021-02-23

申请号：US16761981

申请日：2018-11-08

Applicant: AIRBUS DEFENCE AND SPACE SAS

Inventor： Andrew Thain ,  Vincent Tugend

IPC: B64G1/66 ,  H04B7/185 ,  B64G1/10 ,  H01Q1/28 ,  H01Q15/16

Abstract: A satellite payload (20) including a reflector (22), a network (23) of sources (24) and a beam forming network connected to said sources in order to form beams for carrying signals in a first frequency band, called “band B1”, and in a second frequency band, called “band B2”. The reflector comprises two reflective surfaces (22a, 22b) positioned one behind the other in relation to the network of sources and having different curvatures so that each reflective surface generates an image of the network of sources with a different magnification factor. The reflective surface closest to the network of sources is transparent for all the signals carried on the band B2 and is adapted to reflect signals carried in the band B1. The other reflective surface is adapted to reflect signals carried in the band B2.

公开(公告)号：US10887004B2

公开(公告)日：2021-01-05

申请号：US16620066

申请日：2018-06-08

Applicant: AIRBUS DEFENCE AND SPACE SAS ,  CENTRE NATIONAL D'ETUDES SPATIALES (CNES)

Inventor： Vincent Tugend

IPC: H01Q19/13 ,  H04B7/185 ,  H01Q1/28

Abstract: The present invention relates to a telecommunications satellite intended for being placed in earth orbit, comprising an antenna comprising a reflector and a network of sources. In addition, said satellite comprises adaptive analog beamforming networks, said adaptive analog beamforming networks being connected to respective groups of sources other than the network of sources. Each adaptive analog beamforming network is suitable for simultaneously activating a predetermined number of beams serving respective geographic zones inside a geographic region on Earth's surface. Each of group of sources comprises sources shared with other groups of sources, and at least one geographic region has a geographic overlap of at least 30% with other geographic regions.