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    • 33. 发明授权
    • Satellite performance monitoring
    • 卫星性能监测
    • US08576118B2
    • 2013-11-05
    • US12361403
    • 2009-01-28
    • Mark J. Miller
    • Mark J. Miller
    • H04B7/185
    • H04B17/02H04B7/185H04B7/18513H04B17/40Y02D70/21Y02D70/22Y02D70/446
    • Techniques for monitoring transmission performance of a satellite communications systems are provided, including techniques for measuring the primary contributors to the end-to-end SNR, including the uplink SNR, the downlink SNR, and the C/I for each link in the network. These individual measurements are used to estimate satellite effective isotropic radiated power (EIRP), satellite antenna gain-to-noise-temperature (G/T), and loss due to an Earth Terminal pointing error. The EIRP, satellite antenna G/T and loss due to Earth terminal pointing error may then be used to determine operating parameters for the satellite communications network that enable the network to operate more efficiently.
    • 提供了用于监测卫星通信系统的传输性能的技术,包括用于测量端到端SNR的主要贡献者的技术,包括上行链路SNR,下行链路SNR和网络中每个链路的C / I。 这些单独的测量用于估计卫星有效各向同性辐射功率(EIRP),卫星天线增益 - 噪声温度(G / T)以及由于接地端子指向误差引起的损耗。 EIRP,卫星天线G / T以及由于地球终端指向误差引起的损失可用于确定卫星通信网络的运行参数,使网络能够更有效地运行。
    • 34. 发明授权
    • Frequency re-use for service and gateway beams
    • 服务和网关光束的频率重用
    • US08548377B2
    • 2013-10-01
    • US13484184
    • 2012-05-30
    • Mark D. DankbergMark J. MillerKristi JaskaRobert Wilson
    • Mark D. DankbergMark J. MillerKristi JaskaRobert Wilson
    • H04W72/04
    • H04B7/18513H04B7/18543H04B7/18582
    • A method is presented for communicating data in a multibeam satellite system utilizing frequency re-use. The method comprises establishing uplink service beams and downlink service beams between a satellite and a plurality of subscriber terminals. A plurality of the uplink service beams are transmitted to the satellite by re-using at least one common uplink frequency channel. A plurality of the downlink service beams are transmitted from the satellite by re-using at least one common downlink frequency channel. The method further comprises establishing at least one uplink feeder beam and at least one downlink feeder beam between the satellite and a gateway terminal. The at least one uplink feeder beam is transmitted to the satellite by further re-using the at least one common uplink frequency channel. The at least one downlink feeder beam is transmitted from the satellite by further re-using the at least one common downlink frequency channel.
    • 提出了一种利用频率再利用在多波束卫星系统中传送数据的方法。 该方法包括在卫星与多个用户终端之间建立上行链路业务波束和下行业务波束。 通过重新使用至少一个公共上行链路频率信道将多个上行链路业务波束发送到卫星。 通过重新使用至少一个公共下行链路频率信道从卫星发送多个下行链路服务波束。 该方法还包括在卫星和网关终端之间建立至少一个上行馈线波束和至少一个下行馈线波束。 通过进一步重新使用至少一个公共上行链路频率信道将至少一个上行馈线波束发送到卫星。 通过进一步重新使用至少一个公共下行链路频率信道,从卫星发送至少一个下行链路馈送波束。
    • 35. 发明授权
    • Interference resistant satellite link power control using downlink beacon
    • 使用下行信标的抗干扰卫星链路功率控制
    • US08385223B2
    • 2013-02-26
    • US12831958
    • 2010-07-07
    • Mark J. MillerDavid Irvine
    • Mark J. MillerDavid Irvine
    • G01R31/08
    • H04B7/18513
    • A method for determining EIRP of user terminals in a satellite communication system comprises obtaining a frequency gain of a gateway at one or more frequencies, obtaining a path gain of the gateway for one or more signal paths, and obtaining a satellite beacon signal power at a receiver of the gateway. The method also comprises determining a target signal power at the gateway for one or more frequency channels, where the target signal power based at least in part on the frequency gain, the path gain, and the satellite beacon signal power. The method also comprises obtaining a message signal power at the gateway of a message from a user terminal, and determining the EIRP of the user terminal based at least in part on a difference between the target signal power and the message signal power.
    • 一种用于确定卫星通信系统中的用户终端的EIRP的方法包括以一个或多个频率获得网关的频率增益,获得一个或多个信号路径的网关的路径增益,以及获得卫星信标信号功率 接收器的网关。 该方法还包括确定网关处的一个或多个频率信道的目标信号功率,其中目标信号功率至少部分地基于频率增益,路径增益和卫星信标信号功率。 该方法还包括在来自用户终端的消息的网关处获得消息信号功率,以及至少部分地基于目标信号功率和消息信号功率之间的差异来确定用户终端的EIRP。
    • 37. 发明授权
    • Flexible forward and return capacity allocation in a hub-spoke satellite communication system
    • 在轮辐卫星通信系统中灵活的前向和后向容量分配
    • US08340016B1
    • 2012-12-25
    • US13560825
    • 2012-07-27
    • Mark J. MillerKenneth V. Buer
    • Mark J. MillerKenneth V. Buer
    • H04J3/08
    • H04B7/18584H04B7/18515H04B7/18519H04L49/10H04L49/252H04W88/16
    • A method for conducting communications via a satellite includes providing a hub-spoke spot beam group. The hub-spoke spot beam group includes at least one fixed location spot beam illuminating a location containing a gateway terminal and at least one fixed location spot beam illuminating a location containing at least one user terminal. The satellite comprises a pathway associated with the hub-spoke spot beam group. At least one receive-side switch is sequentially switched to connect an input of the pathway with different spot beams within the hub-spoke spot beam group. At least one transmit-side switch is sequentially switched to connect an output of the pathway with different spot beams within the hub-spoke spot beam group. Beam switching patterns support both forward and return traffic within a frame.
    • 通过卫星进行通信的方法包括提供轮毂辐射点波束组。 轮毂辐射点光束组包括照亮包含网关终端的位置的至少一个固定位置点光束和照亮包含至少一个用户终端的位置的至少一个固定位置点光束。 卫星包括与轮毂辐射点波束组相关联的路径。 顺序地切换至少一个接收侧开关,以将路径的输入与轮毂辐射点波束组内的不同点波束相连。 顺序切换至少一个发射侧开关,以将该路径的输出与轮毂辐射点波束组内的不同点波束相连接。 光束切换模式支持帧内的前向和后向流量。
    • 38. 发明申请
    • Satellite Architecture
    • 卫星架构
    • US20120276840A9
    • 2012-11-01
    • US12406880
    • 2009-03-18
    • Mark D. DankbergMark J. MillerSteven R. HartKristi JaskaRobert Wilson
    • Mark D. DankbergMark J. MillerSteven R. HartKristi JaskaRobert Wilson
    • H04H20/74
    • H04B7/18526H04B7/18515H04B7/2041
    • A method is presented for transmitting data in a satellite system having multiple spot beams comprising (1) sending a broadband signal in a forward direction from a gateway terminal to a communications satellite for relay to at least one subscriber terminal, (2) receiving the broadband signal at the communications satellite, wherein the communications satellite comprises a bent pipe repeater having a plurality of satellite-based transmission amplifiers, (3) using one of the plurality of satellite-based transmission amplifiers to amplify the broadband signal and no other broadband signal from the gateway terminal, to produce an amplified broadband signal, (4) sending the amplified broadband signal as one of a plurality of service spot beams to the at least one subscriber terminal, and (5) receiving and retrieving data from the amplified broadband signal at the at least one subscriber terminal.
    • 提出了一种用于在具有多个点波束的卫星系统中发送数据的方法,包括:(1)从网关终端向通信卫星发送正向宽带信号,用于中继到至少一个用户终端;(2)接收宽带 信号,其中所述通信卫星包括具有多个基于卫星的传输放大器的弯管中继器,(3)使用所述多个基于卫星的传输放大器中的一个放大所述宽带信号,并且没有其他宽带信号 网关终端产生放大的宽带信号,(4)将放大的宽带信号作为多个服务点波束之一发送到至少一个用户终端,以及(5)从放大的宽带信号中接收和检索数据 所述至少一个用户终端。
    • 40. 发明申请
    • FLEXIBLE CAPACITY SATELLITE COMMUNICATIONS SYSTEM WITH FLEXIBLE ALLOCATION BETWEEN FORWARD AND RETURN CAPACITY
    • 灵活的卫星通信系统,具有前向和返回能力之间的灵活分配
    • US20110268158A1
    • 2011-11-03
    • US13098334
    • 2011-04-29
    • Mark J. MillerCharles N. Pateros
    • Mark J. MillerCharles N. Pateros
    • H04B1/69
    • H04B7/2041
    • Systems and methods for supporting more flexible coverage areas and spatial capacity assignments using satellite communications systems are disclosed. Antenna elements are arranged in one or more phased arrays. The phased arrays may be used to receive uplink communications, transmit downlink communications, or both receive uplink communications and transmit downlink communications. Beam forming networks (BFN's) associated with the one or more phased arrays may be dynamic, allowing for movement of the locations of the receive beams, the transmit beams, or both the receive beams and transmit beams. The beams may then “hop” from location to location according to a predefined or dynamic hopping pattern. In some embodiments, the hopping patterns may be time-varying and may be changed or updated on-the-fly.
    • 公开了使用卫星通信系统来支持更灵活的覆盖区域和空间容量分配的系统和方法。 天线元件布置在一个或多个相控阵列中。 相控阵列可以用于接收上行链路通信,发送下行链路通信,或者接收上行链路通信和发送下行链路通信。 与一个或多个相控阵列相关联的波束形成网络(BFN)可以是动态的,允许接收波束,发射波束或接收波束和发射波束两者的位置的移动。 然后,光束可以根据预定义或动态跳频图案从位置“跳”到位置。 在一些实施例中,跳频​​图案可以是时变的,并且可以在飞行中进行更改或更新。