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    • 10. 发明公开
    • A METHOD AND APPARATUS FOR DETERMINING A SCHEDULE FOR CONTACT WITH A CONSTELLATION OF SATELLITES
    • 用于确定与卫星星座接触的时间表的方法和设备
    • EP3279693A1
    • 2018-02-07
    • EP17182670.4
    • 2017-07-21
    • EUROPEAN SPACE AGENCY
    • PORRETTA, Marco
    • G01S19/02H04B7/195B64G1/24
    • G01S19/02B64G1/242B64G3/00G01S19/258G01S19/28H04B7/1851H04B7/19H04B7/195
    • A method and apparatus are provided for determining a schedule for a contact between a ground segment and a space segment. The ground segment comprises multiple ground stations, each ground station having one or more antennas, such that the overall number of ground station antennas in the ground segment is ( N ant ), and the space segment comprises a constellation of satellites in orbit, in which the number of satellites is ( N sat ). The method comprises selecting a subset of no more than N ant satellites from the N sat satellites for contact at a given epoch with the ground segment; and allocating each of the selected N ant satellites to the N ant antennas in a one-to-one relationship at the given epoch. The selecting of the subset of no more than N ant satellites from the N sat satellites comprises determining a subset of the N ant satellites that has maximum spatial diversity.
    • 提供了用于确定地面段和空间段之间的接触的时间表的方法和装置。 地面段包括多个地面站,每个地面站具有一个或多个天线,使得地面段中的地面站天线的总数为(Nant),并且该空间段包括在轨道上的一组卫星,其中, 卫星数量是(Nsat)。 该方法包括从Nsat卫星中选择不超过Nant卫星的子集,以在给定时期与地面段进行接触; 以及在给定时期以一对一关系将每个选择的Nant卫星分配给Nant天线。 从Nsat卫星中选择不超过Nant卫星的子集包括确定具有最大空间分集的Nant卫星的子集。