TRANSCEIVER AND OPERATING METHOD
    1.
    发明公开

    公开(公告)号:US20240305405A1

    公开(公告)日:2024-09-12

    申请号:US18599635

    申请日:2024-03-08

    IPC分类号: H04L1/00 H04B1/7143 H04W28/04

    摘要: Transceiver configured to transmit at least one source packet in split and coded form, having: a splitter configured to divide the at least one source packet into several source segments; an encoder configured to encode the several source segments by coding rule in order to obtain coded segments; a transmitter configured to transmit the coded segments as PHY packets by means of a plurality of cycles each having a plurality of subcycles, each subcycle having several slots; wherein the coding rule specifies transfer of the plurality of source segments by means of forward error correction, and wherein the coding rule specifies an order such that a coding degree of the coded segments transmitted in the last PHY packet is reduced or reduced to coding degree 1.

    RADIO COMMUNICATIONS APPARATUS FOR A MEASUREMENT SYSTEM

    公开(公告)号:US20240171213A1

    公开(公告)日:2024-05-23

    申请号:US18283279

    申请日:2022-04-06

    申请人: RENISHAW PLC

    IPC分类号: H04B1/7143

    CPC分类号: H04B1/7143

    摘要: A frequency hopping radio communications module for a measurement system, including a measurement probe and an interface for a machine tool. The communications module is configured to transmit and/or receive radio signals using at least ten frequency channels and can operate in at least a metrology mode for communicating measurement data and a standby mode. Operation in the standby mode includes hopping between fewer frequency channels than operation in the metrology mode. In particular, operation in standby mode includes hopping between three of the at least ten frequency channels in accordance with a second hopping pattern, the three frequency channels being from different thirds of the frequency band. This allows faster frequency hopping synchronisation to be achieved and improves battery life.

    Intellectual property security locking apparatus and method

    公开(公告)号:US11990932B2

    公开(公告)日:2024-05-21

    申请号:US17132893

    申请日:2020-12-23

    申请人: Intel Corporation

    摘要: A clock buffer or driver is gated pending reception of verifiable crypto keys. These clock buffer or divers remain gated, thus disabling a processor from any meaningful function, till crypto keys are decoded, verified, and applied to the clock buffer or driver. A low frequency pseudorandom frequency hopping time sequence is generated and used for randomizing spread-spectrum to modulate a reference clock (or output clock) of a frequency synthesizer. This hopping time sequence holds the key to unlocking the crypto keys. The PWM modulated crypto keys are carried by the hopping time sequence. To decode the PWM modulated crypto keys, the hopping time sequence is used. The reference clock which is modulated with crypto keys in the spread-spectrum is sent to a decoder (in a processor) along with the hopping time sequence. The crypto keys are decoded and then used to un-gate the clock buffer.

    INDUSTRIAL WIRELESS COMMUNICATION SYSTEM
    5.
    发明公开

    公开(公告)号:US20240072842A1

    公开(公告)日:2024-02-29

    申请号:US18261232

    申请日:2021-08-20

    申请人: SMC CORPORATION

    IPC分类号: H04B1/7143 H04W56/00

    CPC分类号: H04B1/7143 H04W56/00

    摘要: In an industrial wireless communication system. a base wireless device has a synchronous connection transmission unit for broadcasting a synchronous connection signal to achieve synchronous connection to a remote wireless device in only a single synchronous connection period which is an integral multiple of a hopping period. The synchronous connection transmission unit sequentially switches communication frequencies for synchronization so as to transmit the synchronous connection signal with a plurality of communication frequencies for synchronization within one hopping period. A synchronous connection reception unit sequentially switches communication frequencies for synchronization with a switching period which is longer than the hopping period and shorter than twice the hopping period, so as to perform a reception wait process for the synchronous connection signal with a plurality of communication frequencies for synchronization.