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1.
公开(公告)号:US11985504B2
公开(公告)日:2024-05-14
申请号:US17041805
申请日:2019-01-10
申请人: SONY CORPORATION
发明人: Rickard Ljung , Anders Mellqvist , Daniel Lönnblad
IPC分类号: H04W12/122 , H04K3/00 , H04W24/08
CPC分类号: H04W12/122 , H04K3/226 , H04K3/65 , H04W24/08 , H04K2203/16 , H04K2203/18
摘要: The present disclosure relates to the area of telecommunication, and in particular to methods for reporting network dysfunction in a wireless communication network (1). According to a first aspect of embodiments herein it is provided a method, for use in a wireless communication device (10), for reporting network dysfunction. The method comprises obtaining information defining radio communication properties (e.g. use of a relaying wireless communication device (30)) for use when reporting network dysfunction in a wireless communication network (1). The method further comprises detecting network dysfunction, and sending a report indicating the detected network dysfunction e.g. to a radio network node 20 using the obtained radio communication properties. The disclosure also relates to a corresponding radio network node (20) and wireless communication devices (10), (30) and to a computer program for implementing the proposed method.
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公开(公告)号:US11888591B2
公开(公告)日:2024-01-30
申请号:US17680855
申请日:2022-02-25
发明人: Mark A. Page , Steen A. Parl , Scott Zhao
IPC分类号: H04K3/00
CPC分类号: H04K3/825 , H04K3/65 , H04K2203/32 , H04K2203/34
摘要: A communications system and methods for covert communications are provided. A first transmitter that transmits an information carrying signal to a target receiver, a second transmitter and a third transmitter transmit jamming signals to the target receiver, such that the information carrying signals and the jamming signals are interleaved when received by the target receiver The information carrying signals and the jamming signals can be at least partially overlapping by an eavesdropper.
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公开(公告)号:US20230370189A1
公开(公告)日:2023-11-16
申请号:US18195291
申请日:2023-05-09
申请人: MediaTek Inc.
CPC分类号: H04K3/65 , H04L5/0007 , H04L5/0048
摘要: Techniques pertaining to enhanced long range (ELR) communication schemes in wireless communications are described. An apparatus (e.g., a station (STA)) performs an ELR communication by either: (i) transmitting an ELR physical-layer protocol data unit (PPDU); or (ii) receiving the ELR PPDU. The ELR PPDU includes a spoofing preamble, an ELR preamble and an ELR data portion.
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公开(公告)号:US20190229835A1
公开(公告)日:2019-07-25
申请号:US16254270
申请日:2019-01-22
发明人: Andrea THUM-JAEGER , Oliver Rudow , Ulrich Martin
IPC分类号: H04K3/00
CPC分类号: H04K3/65 , F41G3/147 , F41G7/224 , F41H3/00 , F41H13/005 , G01S7/495 , H04K3/41 , H04K3/44 , H04K3/45 , H04K3/822 , H04K2203/14 , H04K2203/24
摘要: A system for jamming a target acquisition, which starts at a position and may be detected by a detector that provides a detection signal in response to the target acquisition includes a warning device for outputting a warning, in case the detector outputs a detection signal. The system also includes an optical jammer configured to provide at least one jamming signal, and a directing device configured to direct the jamming signal towards the position in response to the output warning in order to prevent target acquisition or at least to make target acquisition more difficult.
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5.
公开(公告)号:US10054687B2
公开(公告)日:2018-08-21
申请号:US14061459
申请日:2013-10-23
申请人: Hemisphere GNSS Inc.
发明人: Michael L. Whitehead
CPC分类号: G01S19/20 , G01S19/215 , H04K3/22 , H04K3/65 , H04K3/90 , H04K2203/32
摘要: Disclosed is a system and method for detecting false Global Navigation Satellite System (GNSS) satellite signals. False GNSS satellite signals can be used malevolently to take control of a body such as a vehicle or ship that is using GNSS satellite signals for navigation. In some embodiments a GNSS attitude system is used to detect the false GNSS satellite signals. The GNSS attitude system measures the code or carrier phase of the GNSS satellite signals at two or more antennas to detect the false GNSS satellite signals. In some embodiments the attitude system computes first measured and second estimated carrier phase differences in order to detect the false GNSS satellite signals. The attitude system may compute the attitude of a baseline vector between the two antennas. Once false GNSS satellite signals are detected, the method can include preventing the attitude determining system from outputting position or location data.
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公开(公告)号:US09958549B2
公开(公告)日:2018-05-01
申请号:US14429197
申请日:2013-09-20
CPC分类号: G01S19/215 , G01S19/13 , G01S19/21 , G01S19/43 , H04K3/22 , H04K3/65 , H04K3/90 , H04K2203/32
摘要: Methods and systems that can detect GNSS spoofing attacks and that do not require explicit or implicit knowledge of exact position or attitude and that provide hypothesis test statistics, threshold values, and probabilities of false alarm and missed detection.
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公开(公告)号:US09923662B2
公开(公告)日:2018-03-20
申请号:US15190857
申请日:2016-06-23
发明人: Erhard Bassow , Roberto Lambiase
CPC分类号: H04K3/86 , H04B7/18506 , H04J13/0062 , H04J13/14 , H04K3/65 , H04K3/84 , H04L5/001 , H04L5/0053 , H04L5/0062 , H04W84/06 , H04W88/08
摘要: A method for masking communication signals, particularly for masking terrestrial RF communication signals on board of an aircraft, includes parallelizing a first information data stream to be transmitted on a first LTE transmission channel, the first LTE transmission channel having a first channel transmission bandwidth and at least one guard band adjacent to the channel transmission bandwidth; spreading the first information data stream over a plurality of mutually orthogonal data subcarriers within the first channel transmission bandwidth; generating a CAZAC sequence; spreading the generated CAZAC sequence over guard band subcarriers within the at least one guard band; and transmitting the first information data stream over the data subcarriers in parallel to the CAZAC sequence over the guard band subcarriers.
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公开(公告)号:US20180069650A1
公开(公告)日:2018-03-08
申请号:US15795195
申请日:2017-10-26
申请人: Bao Tran
CPC分类号: H04K3/45 , B64C39/024 , B64C2201/027 , B64C2201/128 , B64C2201/14 , G01S1/68 , G01S1/70 , G05D1/0011 , H04K3/62 , H04K3/65 , H04K3/822 , H04K3/825 , H04K3/90 , H04K3/92 , H04K2203/22 , H04W12/02
摘要: A system includes a disabling device with a radio circuit configured to disrupt communication having a predetermined protocol; and a movable device including a radio circuit to receive the communication, wherein the radio circuit sends the protocol to disable the movable device.
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9.
公开(公告)号:US20180007548A1
公开(公告)日:2018-01-04
申请号:US15688816
申请日:2017-08-28
发明人: ROGER PIQUERAS JOVER
CPC分类号: H04W12/04 , H04K1/00 , H04K3/22 , H04K3/25 , H04K3/42 , H04K3/45 , H04K3/65 , H04K3/827 , H04K2203/16 , H04L9/0819 , H04L63/0428 , H04L2209/80 , H04W12/0017 , H04W12/02 , H04W12/12
摘要: A method, computer-readable storage device and apparatus for encrypting a broadcast message of a base station are disclosed. For example, the method selects an encryption key for the broadcast message and encrypts the broadcast message using the encryption key to create an encrypted broadcast message. The method then transmits an identifier of the encryption key and transmits the encrypted broadcast message over a broadcast channel. A method for decrypting a broadcast message that is encrypted is also disclosed.
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公开(公告)号:US20180006760A1
公开(公告)日:2018-01-04
申请号:US15200513
申请日:2016-07-01
CPC分类号: H04K3/65 , G01S7/38 , G01S13/723 , G05B15/02 , G06F1/14
摘要: Systems and methods for providing a synthetic track to observation devices are provided. In one embodiment, a method can include determining a location range and a time range for a synthetic track to be created by a plurality of platforms. The method can further include determining an emission location and an emission time for each of the platforms of the plurality of platforms based, at least in part, on the location range and the time range. The method can include sending a set of data to each of the plurality of platforms, each respective set of data indicating the emission location and the emission time at which the respective platform is to generate the emission to create the synthetic track.
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