PBCH CONTENT FOR NR UNLICENSED
    1.
    发明申请

    公开(公告)号:US20190342826A1

    公开(公告)日:2019-11-07

    申请号:US16515704

    申请日:2019-07-18

    摘要: Systems and methods of providing timing information for initial access in an unlicensed band are described. A UE monitors a new radio discovery signal (NRDS-U) window in an unlicensed band for a DRS transmission that is constrained to be transmitted within the NRDS-U window. The UE determines initial access information, including an offset that indicates when the DRS transmission occurs within the NRDS-U window, and engages in initial access dependent on the offset. The offset is from a radio frame or half radio frame boundary or the start of the NRDS-U window. The offset is indicated in three least/most significant bits an SSB index or from an s1-offset field in a MIB of the SSB. When the base station uses a DFS channel, the base station transmits a periodic signal to emulate a radar signal.

    MULTI-CARRIER OPERATION FOR ENHANCED MACHINE TYPE COMMUNICATIONS IN UNLICENSED MEDIUM (EMTC-U)

    公开(公告)号:US20190053064A1

    公开(公告)日:2019-02-14

    申请号:US16160650

    申请日:2018-10-15

    IPC分类号: H04W16/14 H04W72/04 H04B1/713

    摘要: Techniques discussed herein are related to Long Term Evolution (LTE) operation in unlicensed spectrum in MulteFire, specifically the Internet of Things (IoT) operating in unlicensed spectrum. One example embodiment can be an apparatus configured to be employed in a User Equipment (UE), comprising: a memory interface; and processing circuitry configured to: perform an initial access to a network over one or more of three dedicated anchor channels; communicate data over a master set of data channels using frequency hopping from one data channel to another data channel of the master set of data channels, wherein a hopping sequence is based on whether or not a carrier sensing procedure succeeds over available ones of the set of data channels; enable a Multi-Carrier Operation (MCO) by defining and allowing transmissions over a new set of data channels different than the master set of data channels; and send the data to a memory via the memory interface.

    DESIGN OF FREQUENCY HOPPING PATTERN FOR UNLICENSED INTERNET-OF-THINGS SYSTEM

    公开(公告)号:US20190052308A1

    公开(公告)日:2019-02-14

    申请号:US16163160

    申请日:2018-10-17

    摘要: The disclosure provides design of a frequency hopping sequence for an unlicensed IoT system operating in unlicensed spectrum. According to some embodiments, an apparatus for generating a frequency hopping sequence in an unlicensed Internet-of-Things (IoT) system includes baseband circuitry to generate a frequency hopping sequence by conducting a permutation operation based on a physical cell identifier (PCI) and a system frame number (SFN), and to select a channel within an unlicensed spectrum according to the frequency hopping sequence. In some embodiments, the input of the permutation operation is obtained from the SFN or from the SFN and the PCI. In some embodiments, the control of the permutation operation is a function of the PCI and/or the SFN. In some embodiments, the control of the permutation operation is generated using a pseudorandom number generator with the PCI as a seed.

    TIMING FOR NON-OVERLAPPING SUB-BAND FULL DUPLEX (SBFD) OPERATIONS IN 5G NR

    公开(公告)号:US20240014995A1

    公开(公告)日:2024-01-11

    申请号:US18371632

    申请日:2023-09-22

    IPC分类号: H04L5/14 H04L5/00

    CPC分类号: H04L5/14 H04L5/0046

    摘要: A generation Node B (gNB) configured for Sub-Band Full Duplex (SBFD) communication in a fifth-generation new radio (5G NR) network may communicate with two or more User Equipment (UEs) during SBFD symbols. During any one or more of the SBFD symbols, a downlink transmission may be transmitted to at least one of the UEs simultaneously with reception of an uplink transmission from at least another of the UEs. The SBFD symbols may span the carrier bandwidth and may comprise at least a downlink (DL) subband and an uplink (UL) subband within the carrier bandwidth. To communicate with the two or more UE simultaneously during the SBFD symbols, the gNB may configure the UEs that are to transmit during one or more of the SBFD symbols with timing-advance offset information to be used by the UEs to adjust a configured timing-advance for initiating an uplink transmission relative to downlink symbol timing at a UE within the one or more SBFD symbols. A timing-advance offset may delay an uplink transmission of during one or more of the SBFD symbols that follows a downlink symbol. This offset or delay, relative to the timing-advance, may provide a UL-DL switching time gap when the SBFD symbol follows a DL symbol.