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    • 53. 发明申请
    • ACTIVE INTERFERENCE AVOIDANCE IN UNLICENSED BANDS
    • 未经授权的银行的主动干扰避免
    • WO2017019180A1
    • 2017-02-02
    • PCT/US2016/036330
    • 2016-06-08
    • GOOGLE INC.
    • FELDMAN, ArnoldHUSTED, Paul, JamesWEBER, David, James
    • H04B7/204H04B7/185H04W72/04
    • H01Q3/22H01Q3/02H01Q3/24H01Q3/247H04B7/18504H04B7/2041H04W72/046
    • A method (600) for active interference avoidance in unlicensed bands is disclosed. The method includes receiving an electromagnetic signal (520) having a transmission frequency (522), a transmission period (524), and an antenna pattern (526) from a phased array antenna (500). The method also includes switching the transmission frequency from a first transmission frequency with a first signal to interference and noise ratio (528) to a second transmission frequency with a second signal to interference and noise ratio. The second signal to interference and noise ratio is lower than the first signal to interference and noise ratio. The method further includes selecting a transmission period based on a time when a least amount of signal noise is present on the transmission frequency and selecting an antenna pattern that reduces interference on the selected transmission frequency.
    • 公开了一种用于非许可频带中的主动干扰避免的方法(600)。 该方法包括从相控阵天线(500)接收具有发射频率(522),发射周期(524)和天线方向图(526)的电磁信号(520)。 该方法还包括将具有第一信号的干扰和噪声比(528)的第一传输频率的传输频率切换到具有第二信号与干扰和噪声比的第二传输频率。 第二个信号对干扰和噪声比低于第一个信号对干扰和噪声比。 该方法还包括基于传输频率上存在最少量的信号噪声的时间选择传输周期,并且选择减少所选择的传输频率上的干扰的天线方向图。
    • 57. 发明申请
    • PROCESS AND APPARATUS FOR COMMUNICATING WITH A USER ANTENNA
    • 与用户天线通信的过程和设备
    • WO2016139466A1
    • 2016-09-09
    • PCT/GB2016/050540
    • 2016-03-02
    • STRATOSPHERIC PLATFORMS LIMITEDALEXANDER, PaulDAVIDSON, PeterFAULKNER, Andrew
    • ALEXANDER, PaulDAVIDSON, PeterFAULKNER, Andrew
    • H04B7/02G01S19/43G01S19/44H04B7/06H04B7/185
    • H04B7/024G01S5/10G01S19/43G01S19/44H04B7/0617H04B7/18504
    • A process for cooperative aerial inter-antenna beamforming for communication between (a) multiple moving platforms, each platform having an aerial antenna mounted thereon, such that the aerial antennas have variable positions and orientations over time, and (b) at least one antenna mounted on user equipment having a lower altitude than the aerial antennas; the process involving transmitting data relating to the positions and orientations of the aerial antennas to a processing system, the processing system calculating and transmitting beamforming instructions to the aerial antennas, the aerial antennas thereby transmitting or receiving respective component signals for each user antenna, the component signals for each user antenna having essentially the same information content but differing in their phase and usually amplitude, so as to form a cooperative beam from the cooperative sum of the signals between the aerial antennas and the user antenna. A method of determining the position of a moving aerial antenna or antenna element mounted on at least one moving platform, such that the aerial antennas have variable positions and orientations over time, the method involving determining the phase difference yi, being a fraction of a wavelength between the values 0 and 1, between signals of known wavelength λi; transmitted between (a) i ground based transmitters which may be backhaul base stations, wherein i is at least three, the ground based transmitters having known position to within λi/10 and (b) the aerial antenna or antenna element, thereby establishing the distance from the base station to the aerial antenna or antenna element to be λi(ni+ yi), wherein ni is an unknown integer; determining the position of the aerial antennas or antenna elements approximately by differential GPS or other methods to within a small number of wavelengths λi thereby establishing that ni can be one of a limited number of possible integer values for each signal; the number of base stations and their positions being sufficient to allow elimination of the possible values of ni that are inconsistent with the limited number of possible values for ni from the other ground based transmitters, until only one integer value for each ni is established; establishing the location of the aerial antenna or antenna element by triangulation of its known distance λi(ni+ yi), from at least three ground based transmitters.
    • 一种用于在(a)多个移动平台之间进行通信的协作航空天线间波束成形的过程,每个平台具有安装在其上的天线天线,使得天线具有随时间变化的位置和取向,以及(b)至少一个天线安装 在具有比天线高度低的用户设备上; 所述处理涉及将与天线天线的位置和取向相关的数据发送到处理系统,所述处理系统计算并向所述天线天线发送波束成形指令,所述天线天线从而为每个用户天线发送或接收相应的分量信号,所述组件 每个用户天线的信号具有基本上相同的信息内容,但是它们的相位和通常幅度不同,以便根据天线和用户天线之间的信号的协作和形成协作波束。 一种确定安装在至少一个移动平台上的移动天线天线或天线元件的位置的方法,使得天线具有随时间变化的位置和取向,所述方法包括确定相位差yi,其为波长的一部分 在值0和1之间,在已知波长λ1的信号之间; 在(a)i基于地面的发射机之间传输,其可以是回程基站,其中i是至少三个,基于地面的发射机具有在λi/ 10内的已知位置,以及(b)天线天线或天线元件,从而建立距离 从基站到天线元件为λi(ni + yi),其中ni为未知整数; 通过差分GPS或其他方法近似地将天线天线或天线元件的位置确定在少数波长λi内,从而确定ni可以是每个信号的有限数量的可能整数值之一; 基站的数量及其位置足以允许消除与其他基于地面的发射机的ni的有限数量的可能值不一致的ni的可能值,直到每个ni仅建立一个整数值为止; 通过从至少三个基于地面的发射机三角测量其已知距离λi(ni + yi)来建立天线天线或天线元件的位置。
    • 58. 发明申请
    • SYSTEM AND METHOD FOR DYNAMIC WIRELESS AERIAL MESH NETWORK
    • 用于动态无线空中网状网络的系统和方法
    • WO2016064700A8
    • 2016-08-11
    • PCT/US2015056147
    • 2015-10-19
    • MUTUALINK INC
    • MAZZARELLA JOSEPH RWENGROVITZ MICHAEL S
    • H04B7/185H04W84/18
    • H04B7/18504H04W4/008H04W4/02H04W84/18
    • Embodiments include a dynamic wireless aerial mesh network having aerial nodes that provides real-time persistent wide area communications service to provide communications in response to an incident. Typically, the area services is a wide area that is physically inaccessible via ground transportation. In addition, embodiments include the formation of a decentralized mesh supernetwork comprising two or more dynamic wireless aerial mesh networks where each dynamic wireless aerial mesh network is owned by a different agency (e.g., a secure community). A member of a first dynamic wireless aerial mesh network may send a request to a member of a second dynamic wireless aerial mesh network for the first dynamic wireless aerial mesh network to join the second dynamic wireless aerial mesh network to form a mesh supernetwork, and receive an acceptance from the member of the second dynamic wireless aerial mesh network.
    • 实施例包括具有空中节点的动态无线空中网状网络,其提供实时持久广域通信服务以响应事件提供通信。 通常情况下,地区服务是通过地面交通实际无法进入的广阔区域。 另外,实施例包括形成包括两个或更多个动态无线空中网状网络的分散式网状超网络,其中每个动态无线空中网状网络由不同机构(例如,安全社区)拥有。 第一动态无线空中网状网络的成员可以向第二动态无线空中网状网络的成员发送请求以用于第一动态无线空中网状网络以加入第二动态无线空中网状网络以形成网状超级网络,并且接收 来自第二个动态无线空中网状网络的成员的接受。