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    Network virtualization and resource allocation for the internet of things
    234.
    发明授权
    Network virtualization and resource allocation for the internet of things 有权

    公开(公告)号：US10116590B2

    公开(公告)日：2018-10-30

    申请号：US14845078

    申请日：2015-09-03

    Applicant: NEC Laboratories America, Inc.

    Inventor： Neda Cvijetic ,  Konstantinos Kanonakis ,  Ting Wang ,  Jing Wang

    IPC: H04L12/911 ,  H04L12/26 ,  H04L29/08

    Abstract: A system and method for network virtualization and resource allocation, including storing one or more received network requests in a request table, and updating at least one of a flow table, a waiting list table, or a candidate group map based on the one or more received network requests. The updating includes monitoring a transmission progress of each of one or more flows in a network of interconnected computing devices and moving completed flows from the flow table to a success list, moving requests in the waiting list table which have reached an attempt threshold from the flow table to a fail list, and compiling any residual requests in the waiting list with new requests to generate a new request table. A deterministic request allocation and/or an optimizing request allocation is performed based on the new request table.

    Remote wind turbulence sensing
    235.
    发明授权
    Remote wind turbulence sensing 有权

    公开(公告)号：US10114035B2

    公开(公告)日：2018-10-30

    申请号：US14978934

    申请日：2015-12-22

    Applicant: NEC Laboratories America, Inc.

    Inventor： Ting Wang ,  Yi Weng

    IPC: G01P5/26 ,  B64D45/00 ,  G01W1/10 ,  G01S17/95 ,  G01S17/58 ,  G01S7/48 ,  G01S7/481 ,  G01W1/00

    Abstract: Systems and methods for detection of atmospheric conditions using optical orbital angular momentum (OAM)-based spectroscopy include applying OAM states to a light beam to generate an OAM spectrum, transmitting OAM light beams into an atmosphere, and determining degradation of the generated OAM light beams passing through atmospheric turbulence. A rotation rate of aerosols in the atmosphere is determined by analyzing different frequency shifts in OAM states of OAM light beams. A reflected OAM spectrum including a plurality of OAM light beams associated with the aerosols in the atmosphere may be received, and Doppler frequency shifts caused by reflection off the aerosols in the atmosphere may be measured. Laguerre-Gaussian (LG) modes of the received light beams may be detected and sorted based on the OAM states of the LG modes, and wind turbulence values are predicted by analyzing a difference in the Doppler frequency shifts for the received OAM light beams.

    Open path optical sensing system having an ultrasonic cleaner and method
    239.
    发明授权
    Open path optical sensing system having an ultrasonic cleaner and method 有权

    公开(公告)号：US09925570B2

    公开(公告)日：2018-03-27

    申请号：US14949261

    申请日：2015-11-23

    Applicant: NEC Laboratories America, Inc.

    Inventor： Philip Ji ,  Ting Wang

    IPC: B08B7/02 ,  G01N21/15 ,  B08B17/02

    CPC classification number: B08B7/028 ,  B08B17/02 ,  G01N21/15 ,  G01N2021/154

    Abstract: An open path optical sensing system having an ultrasonic cleaner. The system includes at least one ultrasound transducer which is configured to propagate ultrasonic waves across exposed surfaces of optical components of the optical sensing system. The ultrasonic waves create tiny vibrations on the exposed surfaces of the optical components which clean the surfaces of environmental pollutants and prevent environmental pollutants from accumulating on the surface. The ultrasonic waves may have a frequency that is substantially different than the modulation frequency of a modulated laser light beam that is generated by a laser of the open path optical sensing system. The surfaces of a plurality of optical components may be cleaned by the ultrasonic waves of a single ultrasound transducer. A plurality of ultrasound transducers may propagate waves on a single optical component.

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