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    Circuits and methods for reducing an interference signal that spectrally overlaps a desired signal
    3.
    发明授权
    Circuits and methods for reducing an interference signal that spectrally overlaps a desired signal 有权

    公开(公告)号：US11588516B2

    公开(公告)日：2023-02-21

    申请号：US17398992

    申请日：2021-08-10

    申请人： The Aerospace Corporation

    发明人： Philip A. Dafesh ,  Phillip Brian Hess

    IPC分类号： H04B7/02 ,  H04B1/7107 ,  H04B1/10 ,  H04B1/719

    摘要： Under one aspect, a method is provided for processing a received signal, the received signal including a desired signal and an interference signal that spectrally overlaps the desired signal. The method can include obtaining an amplitude of the received signal. The method also can include obtaining an average amplitude of the received signal based on at least one prior amplitude of the received signal. The method also can include subtracting the amplitude from the average amplitude to obtain an amplitude residual. The method also can include, based upon an absolute value of the amplitude residual being less than or equal to a first threshold, inputting the received signal into an interference suppression algorithm so as to generate a first output including the desired signal with reduced contribution from the interference signal.

    Receiver, transmitter and radio communication method
    6.
    发明授权
    Receiver, transmitter and radio communication method 有权

    公开(公告)号：US11212047B2

    公开(公告)日：2021-12-28

    申请号：US16295024

    申请日：2019-03-07

    申请人： NTT DOCOMO, INC.

    发明人： Yoshihisa Kishiyama

    IPC分类号： H04L5/00 ,  H04B17/336 ,  H04B1/10 ,  H04B1/7107 ,  H04B1/12 ,  H04J11/00 ,  H04W52/14

    摘要： Provided are a receiver, a transmitter and a radio communication method capable of using non-orthogonal multiple access while suppressing cost increase and processing delay. A mobile station 200A includes a target user control signal detector 230 and an interfering user control signal detector 240 which are configured to receive a control signal to be used to cancel a non-orthogonal signal by interference canceller. The control signal includes control information containing a radio resource block allocated to the non-orthogonal signal addressed to another mobile station. The mobile station 200A demodulates and cancels the radio signal addressed to the other mobile station on the basis of the control signal.

    Circuits and methods for reducing an interference signal that spectrally overlaps a desired signal
    7.
    发明授权
    Circuits and methods for reducing an interference signal that spectrally overlaps a desired signal 有权

    公开(公告)号：US11133838B2

    公开(公告)日：2021-09-28

    申请号：US16708146

    申请日：2019-12-09

    申请人： The Aerospace Corporation

    发明人： Philip Dafesh ,  Phillip Brian Hess

    IPC分类号： H04B1/00 ,  H04B1/7107 ,  H04B1/10 ,  H04B1/719

    摘要： Under one aspect, a method is provided for processing a received signal, the received signal including a desired signal and an interference signal that spectrally overlaps the desired signal. The method can include obtaining an amplitude of the received signal. The method also can include obtaining an average amplitude of the received signal based on at least one prior amplitude of the received signal. The method also can include subtracting the amplitude from the average amplitude to obtain an amplitude residual. The method also can include, based upon an absolute value of the amplitude residual being less than or equal to a first threshold, inputting the received signal into an interference suppression algorithm so as to generate a first output including the desired signal with reduced contribution from the interference signal.

    DOWNLINK RECEIVER CHANNEL ISOLATION
    9.
    发明申请
    DOWNLINK RECEIVER CHANNEL ISOLATION 审中-公开

    公开(公告)号：US20200304168A1

    公开(公告)日：2020-09-24

    申请号：US16356855

    申请日：2019-03-18

    申请人： Apple Inc.

    发明人： Joonhoi Hur ,  Rastislav Vazny ,  Ronald William Dimpflmaier

    IPC分类号： H04B1/525 ,  H04B1/04 ,  H04L5/14 ,  H04B1/7107 ,  H04L5/00

    摘要： The representative embodiments discussed in the present disclosure relate to techniques in which isolation between transmission signals and received signals in a transceiver may be maintained during downlink carrier aggregation. More specifically, in some embodiments, the transceiver may be implemented to include an electrical balance duplexer that isolates a signal component of a signal transmitted via the transceiver from a receiver signal path of the transceiver. The transceiver may also include analog interference cancellation circuitry implemented to isolate a noise component of the signal transmitted via the transceiver from the receiver signal path (e.g., from one or more downlink receiver channels). As such, the transceiver may operate using inter-band, non-contiguous downlink carrier aggregation, intra-band, non-contiguous downlink carrier aggregation, intra-band, contiguous carrier aggregation, and/or the like.

    Systems and methods for small cell uplink interference cancellation using cooperation between small cells
    10.
    发明授权
    Systems and methods for small cell uplink interference cancellation using cooperation between small cells 有权

    公开(公告)号：US10742342B2

    公开(公告)日：2020-08-11

    申请号：US15725130

    申请日：2017-10-04

    申请人： QUALCOMM Incorporated

    发明人： Soumya Das ,  Bongyong Song ,  Samir Salib Soliman ,  Kaushik Chakraborty

    IPC分类号： H04J11/00 ,  H04B1/7107

    摘要： A method of managing uplink interference at a base station includes: detecting uplink interference caused by one or more inter-cell user equipments to an uplink channel of a base station, the one or more inter-cell user equipments associated with a neighboring base station; receiving, at the base station, assistance information from the neighboring base station, the assistance information comprising a parameter list of ongoing transmissions by the one or more user equipments associated with the neighboring base station; and performing uplink interference cancellation, at the base station, on at least a portion of a received signal based on the assistance information to generate a resulting signal.