System, device and methods for protecting a user device

    公开(公告)号:US11908296B2

    公开(公告)日:2024-02-20

    申请号:US17412926

    申请日:2021-08-26

    Applicant: NXP B.V.

    CPC classification number: G08B13/2402 H04B1/7163 H04W4/029 H04W12/08 H04W12/63

    Abstract: In accordance with a first aspect of the present disclosure, a system is provided, comprising: a user device to be monitored for unauthorized displacement, an ultra-wideband (UWB) communication unit configured to set up a UWB communication channel with an external localization device and to perform at least one localization operation through said UWB communication channel, and a processing unit configured to detect said unauthorized displacement of the user device by analyzing an output of said localization operation. In accordance with a second aspect of the present disclosure, a localization device is provided, comprising: an ultra-wideband (UWB) communication unit configured to set up a UWB communication channel with an external system and to perform at least one localization operation through said UWB communication channel, and a processing unit configured to detect an unauthorized displacement of a user device comprised in said external system by analyzing an output of said localization operation. In accordance with further aspects of the present disclosure, corresponding methods are conceived and corresponding computer programs are provided.

    SYNCHRONIZATION OF A MOBILE DEVICE AND A PEER DEVICE FOR UWB-BASED COMMUNICATION

    公开(公告)号:US20230354230A1

    公开(公告)日:2023-11-02

    申请号:US18303979

    申请日:2023-04-20

    Applicant: NXP B.V.

    CPC classification number: H04W56/0015

    Abstract: It is described a method of UWB-based communication between a mobile device (101, 401) and at least one peer device (102, 402a,b,c), the method comprising while the mobile device (101, 401) is in an idle mode: a synchronizing step (410) including that the mobile device (401) sends at least one synchronization message (418) without performing full Ranging cylce; the peer device (402) receiving the synchronization message (418); and the peer device (402) synchronizing with the mobile device (410) based on the received synchronization message (418); the method comprising while the mobile device (401) is in a non-idle mode: the mobile device starting a UWB-based DS-TWR session (425, 525, 526) with the synchronized peer device, in order to control the smart-device (402c, 502c) via the mobile device.

    Communication device and method of operating the same

    公开(公告)号:US11695447B2

    公开(公告)日:2023-07-04

    申请号:US17303625

    申请日:2021-06-03

    Applicant: NXP B.V.

    CPC classification number: H04B1/7163 H04B7/0602 H04W84/12

    Abstract: In accordance with a first aspect of the present disclosure, a communication device is provided, comprising: an ultra-wideband (UWB) communication unit configured to set up a UWB communication channel with a first external communication device; a further communication unit configured to set up a further communication channel with a second external communication device; an antenna configured to be selectively used by the UWB communication unit and the further communication unit; wherein the UWB communication unit is operatively coupled to the further communication unit, and wherein the further communication unit is configured to grant the UWB communication unit access to said antenna in response to receiving a request from the UWB communication unit. This aspect represents a solution to the problem of how to facilitate avoiding that UWB ranging rounds fail in a co-existence system.

    Localization device and method of operating a localization device

    公开(公告)号:US11516621B2

    公开(公告)日:2022-11-29

    申请号:US17182317

    申请日:2021-02-23

    Applicant: NXP B.V.

    Abstract: In accordance with a first aspect of the present disclosure, a localization device is provided, comprising: an ultra-wideband, UWB, communication unit configured to transmit a localization signal to an external device and to receive a response signal from the external device; an angle of arrival measurement unit configured to measure an angle at which the response signal is received; an orientation sensor configured to sense an orientation of the localization device; and a processing unit configured to determine if an angle at which the localization signal is received by the external device, an orientation of the external device, said orientation of the localization device, and said angle at which the response signal is received meet a predefined relationship. In accordance with a second aspect of the present disclosure, a corresponding method of operating a localization device is conceived.

    System and method for controlling electronic devices

    公开(公告)号:US11501633B2

    公开(公告)日:2022-11-15

    申请号:US17141329

    申请日:2021-01-05

    Applicant: NXP B.V.

    Abstract: In accordance with a first aspect of the present disclosure, a control system is provided for controlling electronic devices, the control system comprising: an ultra-wideband communication unit configured to receive ultra-wideband signals from the electronic devices, and a processing unit configured to select a specific electronic device among said electronic devices for further communication, wherein the processing unit is configured to select said specific electronic device using an angle of arrival of the ultra-wideband signals received from the electronic devices. In accordance with a second aspect of the present disclosure, a corresponding control method for controlling electronic devices is conceived. In accordance with a third aspect of the present disclosure, a computer program is provided, comprising executable instructions that, when executed by a control system for controlling electronic devices, cause said control system to carry out or control a method of the kind set forth.

    Localization system and method
    16.
    发明授权

    公开(公告)号:US11385320B2

    公开(公告)日:2022-07-12

    申请号:US17027909

    申请日:2020-09-22

    Applicant: NXP B.V.

    Abstract: In accordance with a first aspect of the present disclosure, a localization system is provided for determining a geographic location of a movable object, the system comprising: a plurality of anchors, wherein each anchor is configured to receive a broadcasted message through an ultra-wideband communication channel; a processing unit configured to determine the geographic location based on differences between the times of arrival of the broadcasted message at the respective anchors, on relative positions of the anchors and on a predetermined orientation of the movable object.

    PROXIMITY DETECTION AND AUTHENTICATION METHOD AND SYSTEM

    公开(公告)号:US20220207940A1

    公开(公告)日:2022-06-30

    申请号:US17538371

    申请日:2021-11-30

    Applicant: NXP B.V.

    Abstract: A proximity detection and authentication method and system are disclosed. The method includes one or more turnstiles using a non-secure ranging process to detect a proximity of one or more mobile computing devices carried by respective users. The method also includes one of the turnstiles, on making a proximity determination in respect of a first of said mobile computing devices, commencing a secure authentication process to authenticate a user carrying the first mobile computing device. The method further includes, in response to a determination that the user carrying the first mobile computing device has been authenticated, allowing the user carrying the first mobile computing device to pass through the turnstile.

    METHODS FOR FACILITATING A RELATIVE POSITION DETERMINATION

    公开(公告)号:US20200245101A1

    公开(公告)日:2020-07-30

    申请号:US16748043

    申请日:2020-01-21

    Applicant: NXP B.V.

    Abstract: In accordance with a first aspect of the present disclosure, a method for facilitating a relative position determination is conceived, comprising: a first radio frequency (RF) communication device measures a first angle of arrival, being an angle of arrival of a first RF signal received from a second RF communication device; the first RF communication device senses its orientation at a first time, resulting in a first orientation; the first RF communication device measures a second angle of arrival, being an angle of arrival of a second RF signal received from the second RF communication device; the first RF communication device senses its orientation at a second time, resulting in a second orientation; the relative position of the second RF communication device with respect to the first RF communication device is determined using a difference between the first angle of arrival and the second angle of arrival and a difference between the first orientation and the second orientation.

    Near field communication device
    19.
    发明授权

    公开(公告)号:US10361474B2

    公开(公告)日:2019-07-23

    申请号:US15462757

    申请日:2017-03-17

    Applicant: NXP B.V.

    Abstract: A near field communication (NFC) device capable of operating by being powered by the field includes an NFC module for generating an electromagnetic carrier signal and modulating the carrier signal, and an antenna circuit coupled to and driven by said NFC module with the modulated carrier signal. A differential power combiner circuit is coupled to said NFC module via output terminals of said NFC module. A powered by the field circuit of the NFC device is adapted to harvest energy from an external field to power said NFC device. The power by the field circuit has a first terminal coupled to an output of said differential power combiner circuit via a first impedance block and a second terminal coupled to an input of said antenna circuit via a second impedance block. The NFC device is adapted to be able to operate in a powered by the field card mode.

Patent Agency Ranking