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    • 2. 发明申请
    • BROADCAST CONTENT REQUESTS
    • 广播内容要求
    • WO2011045250A1
    • 2011-04-21
    • PCT/EP2010/065140
    • 2010-10-08
    • ASTRIUM LIMITEDLESTER, DonaldMACMANUS, Niall Andrew
    • LESTER, DonaldMACMANUS, Niall Andrew
    • H04B7/185H04H20/74
    • H04B7/18523H04H60/90H04H2201/70H04N7/17318H04N21/2543H04N21/44222H04N21/6143H04N21/6193H04N21/6582
    • An apparatus comprising: a first transceiver for communicating with a set-top box via a first network corresponding to a short-range network; a second transceiver for communicating with a geostationary communication satellite in a second network, the first transceiver being configured to receive information corresponding to a request from said set-top box related to broadcast content, and said second transceiver being configured to transmit a message corresponding to said request to said geostationary communication satellite. The set-top box may comprise a receiver for receiving broadcast content; a transceiver for communicating data, through a short-range network, to a terminal, said terminal being in communication with a content management centre via a geostationary satellite; and an input interface for receiving instructions from a user, the input interface being configured to receive a user input associated with broadcast content, and the transceiver being configured to transmit said user input to said terminal for onward transmission to the content management centre.
    • 一种装置,包括:第一收发器,用于经由对应于短距离网络的第一网络与机顶盒通信; 用于与第二网络中的对地静止通信卫星进行通信的第二收发器,所述第一收发器被配置为接收对应于来自与广播内容相关的所述机顶盒的请求的信息,并且所述第二收发器被配置为发送对应于 对所述对地静止通信卫星的要求。 机顶盒可以包括用于接收广播内容的接收机; 用于通过短距离网络将数据传送到终端的收发器,所述终端经由对地静止卫星与内容管理中心进行通信; 以及用于从用户接收指令的输入接口,所述输入接口被配置为接收与广播内容相关联的用户输入,并且所述收发器被配置为将所述用户输入发送到所述终端,以向前传输到所述内容管理中心。
    • 3. 发明申请
    • A POWER GENERATION MODULE
    • 发电模块
    • WO2003047974A1
    • 2003-06-12
    • PCT/GB2002/005204
    • 2002-11-19
    • ASTRIUM LIMITEDLESTER, Donald
    • LESTER, Donald
    • B64G1/42
    • B64G1/443B64G1/425B64G1/428
    • A power generation module (1) has a reflector comprised by a rotatable mirror (4) and an active arrayed area of deployable solar cells (5) for sensing solar radiation (9). The inventive module design relies upon the proposition that the solar array (5) is fixedly mounted, out of plane, onto its side so that it does not see the sun in normal operation and that the solar radiation to be sensed by the array is required to be first deflected by the rotating mirror (4) onto the array (5). Advantageously, the solar cells are directly electrically connected to a group of lightweight battery cells, lithium cells for example, and solid state power amplifiers for regulating the solar cell output voltage. The module design obviates the need for conventional rotating electrical power connections. The module of the invention is cheap to produce, efficient to use and reliable for various applications in space.
    • 发电模块(1)具有由可旋转镜(4)和用于感测太阳辐射(9)的可展开太阳能电池(5)的有源阵列区域组成的反射器。 本发明的模块设计依赖于将太阳能阵列(5)固定地安装到其外侧的命题,使得它在正常操作中不会看到太阳,并且需要由阵列感测的太阳辐射 首先由旋转镜(4)偏转到阵列(5)上。 有利地,太阳能电池直接电连接到一组轻量的电池单元,例如锂电池,以及用于调节太阳能电池输出电压的固态功率放大器。 模块设计消除了对常规旋转电源连接的需要。 本发明的模块对于空间中的各种应用来说是便宜的,有效地使用和可靠的。
    • 5. 发明申请
    • CONTENT BROADCAST
    • 内容广播
    • WO2010133664A1
    • 2010-11-25
    • PCT/EP2010/056957
    • 2010-05-20
    • ASTRIUM LIMITEDLESTER, DonaldHODSON, Kevin
    • LESTER, DonaldHODSON, Kevin
    • H04H20/74H04H40/90
    • H04H40/90H04H20/74Y02D70/168
    • A receiving device for receiving a satellite broadcast comprising: a receiver for receiving a sustaining satellite beam; and a controller for switching the receiver to receive a high power content beam in response to a determination that the high power content beam can be received by the receiving device. A communication satellite transmits the high power content beam to different geographical areas at different times. The sustaining beam allows the receiving device to remain synchronised with the communication satellite when the high power content beam is directed elsewhere. The sustaining beam may be a lower power beam. The determination that the high power content beam can be received may be performed based on information in the sustaining beam. Alternatively or additionally, the determination that the high power content beam can be received may be made by monitoring the signal strength of a frequency associated with the high power content beam.
    • 一种用于接收卫星广播的接收装置,包括:用于接收维持卫星波束的接收机; 以及控制器,用于响应于接收设备可以接收高功率内容波束的确定,切换接收机以接收高功率内容波束。 通信卫星在不同时间将高功率内容波束发送到不同的地理区域。 当高功率内容光束被引导到其他地方时,维持光束允许接收装置与通信卫星保持同步。 维持光束可以是较低功率光束。 可以基于维持光束中的信息来执行可以接收高功率内容光束的确定。 或者或另外,可以通过监视与高功率内容波束相关联的频率的信号强度来进行可以接收高功率内容波束的确定。
    • 7. 发明申请
    • FREQUENCY SHARING IN A COMMUNICATION SYSTEM
    • 通信系统中的频率共享
    • WO2009087418A2
    • 2009-07-16
    • PCT/GB2009050013
    • 2009-01-09
    • ASTRIUM LTDLESTER DONALDHODSON KEVIN
    • LESTER DONALDHODSON KEVIN
    • H04B7/185
    • H04B7/18539
    • The invention provides a communication system and method of communication. The communication system includes a satellite transmitter arranged to transmit a first signal to be received within a predefined geographical area by a satellite receiver, and a terrestrial transmitter arranged to transmit a second signal to be received within the predefined geographical area by a terrestrial receiver. The first and second signals share a common radio frequency band and the system is arranged such that the first signal is received at an antenna associated with the satellite receiver at a first angle from the horizontal, the first angle being greater than a second angle from the horizontal at which the second signal is received at the antenna. This enables the satellite receiver to distinguish the first signal from the second signal. The terrestrial transmitter and receiver are also arranged to operate a multiple-input and multiple-output MIMO system enabling the terrestrial receiver to distinguish the second signal from the first signal.
    • 本发明提供一种通信系统和通信方法。 通信系统包括卫星发射机,其被布置成通过卫星接收机发射要在预定义的地理区域内接收的第一信号;以及地面发射机,被布置成通过地面接收机发射要在预定义的地理区域内接收的第二信号。 第一和第二信号共享共同的射频频带,并且系统被布置成使得第一信号以与水平方向成第一角度的与卫星接收机相关联的天线被接收,第一角度大于从 在天线处接收第二信号的水平。 这使得卫星接收机能够将第一信号与第二信号区分开。 地面发射机和接收机还被布置成操作多输入多输出MIMO系统,使得地面接收机能够区分第二信号与第一信号。
    • 8. 发明申请
    • CONTENT BROADCASTING
    • 内容广播
    • WO2010066865A1
    • 2010-06-17
    • PCT/EP2009/066881
    • 2009-12-10
    • ASTRIUM LIMITEDECONET WIRELESS IP HOLDINGS LIMITEDHODSON, KevinLESTER, DonaldCULLEN, Ian Leslie
    • HODSON, KevinLESTER, DonaldCULLEN, Ian Leslie
    • H04H20/74H04B7/185
    • H04H20/74H04B7/18523H04H20/40H04H20/42Y02D70/168Y02D70/446
    • The invention provides a content broadcasting system comprising a communications satellite and a satellite control arrangement for controlling the communications satellite to transmit a satellite broadcast signal. The satellite control arrangement is arranged to control the satellite to transmit the satellite broadcast signal to a first geographical area during a first time interval and to transmit the satellite broadcast signal to a second geographical area during a second time interval. The broadcast signal is not transmitted to the first geographical area during at least the second time interval and the broadcast signal is not transmitted to the second geographical area during at least the first time interval. This enables broadcast content to be provided to a large geographical area, while increasing the radio frequency spectrum efficiency of the system and minimising the continuous power consumption of the satellite required for the broadcast.
    • 本发明提供了一种内容广播系统,包括通信卫星和用于控制通信卫星发射卫星广播信号的卫星控制装置。 卫星控制装置被布置成控制卫星在第一时间间隔期间将卫星广播信号发送到第一地理区域,并且在第二时间间隔期间将卫星广播信号发射到第二地理区域。 在至少第二时间间隔期间,广播信号不发送到第一地理区域,并且在至少第一时间间隔内广播信号不被发送到第二地理区域。 这使得能够将广播内容提供给大的地理区域,同时增加系统的射频频谱效率并使广播所需的卫星的连续功耗最小化。
    • 9. 发明申请
    • A TERMINAL FOR COMMUNICATING WITH A COMMUNICATION SATELLITE
    • 用于与通信卫星通信的终端
    • WO2011045251A2
    • 2011-04-21
    • PCT/EP2010/065141
    • 2010-10-08
    • ASTRIUM LIMITEDLESTER, DonaldMACMANUS, Niall, Andrew
    • LESTER, DonaldMACMANUS, Niall, Andrew
    • H04B7/185
    • H04B7/18523H04H60/90H04H2201/70H04N7/17318H04N21/2543H04N21/44222H04N21/6143H04N21/6193H04N21/6582
    • A terminal for communicating with a communication satellite A terminal comprising: a first transceiver for communicating with at least one device in a short range network; a second transceiver for communicating with a geostationary communication satellite in a network deploying a plurality of forward channels for the communication satellite to transmit data to said terminal and a plurality of return channels for the terminal to transmit data to said communication satellite, the second transceiver being configured to transmit data from said at least one device in one of said plurality of return channels. The at least one device may comprise a plurality of utility meters and other sensors. A large system comprising a plurality of the terminals, a communication satellite and a data authority may provide a system for collecting utility meter readings across a geographical region.
    • 一种用于与通信卫星通信的终端一种终端,包括:用于与短距离网络中的至少一个设备进行通信的第一收发器; 第二收发器,用于在部署用于通信卫星的多个前向信道的网络中与对地静止通信卫星进行通信,以向所述终端发送数据;以及多个返回信道,用于终端向所述通信卫星发送数据,第二收发信机 被配置为从所述多个返回信道之一中的所述至少一个设备发送数据。 所述至少一个装置可以包括多个公用事业计量表和其它传感器。 包括多个终端的大型系统,通信卫星和数据机构可以提供用于在地理区域上收集公用事业仪表读数的系统。