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    Tracking reference signals for new radio
    14.
    发明授权
    Tracking reference signals for new radio 有权

    公开(公告)号：US11324076B2

    公开(公告)日：2022-05-03

    申请号：US16473563

    申请日：2018-03-22

    Applicant: Apple Inc.

    Inventor： Gang Xiong ,  Ralf Bendlin ,  Alexei Davydov ,  Yushu Zhang ,  Sameer Pawar ,  Wook Bong Lee ,  Jong-Kae Fwu

    IPC: H04W88/06 ,  H04W76/27 ,  H04L5/00 ,  H04L5/14 ,  H04L27/26 ,  H04W56/00 ,  H04W68/00 ,  H04W72/04 ,  H04W74/08

    Abstract: Embodiments include apparatuses, methods, and systems that may be used in a UE in a mobile communication network to communicate with a gNB. An apparatus may include a memory and processing circuitry coupled with the memory. The processing in circuitry may cause coarse time and frequency synchronization information, obtained from primary and secondary synchronization signals (PSS/SSS), to be stored in the memory. Based on the coarse time and frequency synchronization information, the processing circuitry may decode a physical broadcast channel to obtain a first system information, and may acquire a second system information based on the first system information. Based on the first and second system information, the processing circuitry may cause a transmission of a PRACH, to trigger a transmission of a TRS by the gNB. Other embodiments may also be described and claimed.

    Beamforming management in wireless networks
    15.
    发明申请
    Beamforming management in wireless networks 有权

    公开(公告)号：US20220006498A1

    公开(公告)日：2022-01-06

    申请号：US17480049

    申请日：2021-09-20

    Applicant: Apple Inc.

    Inventor： Yushu Zhang ,  Yuan Zhu ,  Gang Xiong ,  Ralf Bendlin ,  Jong-Kae Fwu

    IPC: H04B7/06 ,  H04B7/0408 ,  H04B7/0456 ,  H04L5/00

    Abstract: Apparatus, systems, and methods to implement receive beamforming in communication systems are described. In one example, apparatus of an evolved Node B (eNB) comprising processing circuitry to receive, from a user equipment (UE), a beamforming reference signal received power (BRS-RP) measurement and in response to the BRS-RP measurement, configure a downlink (DL) transmit (Tx) beamforming and a receiving (Rx) beamforming process on the UE. Other examples are also disclosed and claimed.

    Low overhead system information acquisition for wireless communication
    16.
    发明授权
    Low overhead system information acquisition for wireless communication 有权

    公开(公告)号：US11197235B2

    公开(公告)日：2021-12-07

    申请号：US16921272

    申请日：2020-07-06

    Applicant: Apple Inc.

    Inventor： Ralf Bendlin ,  Gang Xiong ,  Jong-Kae Fwu ,  Yujian Zhang

    IPC: H04W4/00 ,  H04W48/14 ,  H04W48/10 ,  H04W48/16 ,  H04W74/00

    Abstract: A method for low overhead system information acquisition (LOSIA) is disclosed. The LOSIA method includes several techniques for transmitting common channels in a next generation Radio Access Technology (xRAT). Instead of transmitting system information in a periodic, static, cell-specific, wideband manner, the transmission is triggered by user equipment in an “on demand” manner. The LOSIA method allows the network to control the overhead, bandwidth, and periodicity, as well as other characteristics. The LOSIA method employs several different techniques to trigger the information upon which the network can act, for example, by transmitting different payloads depending on the received trigger.

    LOW OVERHEAD SYSTEM INFORMATION ACQUISITION FOR WIRELESS COMMUNICATION
    17.
    发明申请
    LOW OVERHEAD SYSTEM INFORMATION ACQUISITION FOR WIRELESS COMMUNICATION 审中-公开

    公开(公告)号：US20200374781A1

    公开(公告)日：2020-11-26

    申请号：US16921272

    申请日：2020-07-06

    Applicant: Apple Inc.

    Inventor： Ralf Bendlin ,  Gang Xiong ,  Jong-Kae Fwu ,  Yujian Zhang

    IPC: H04W48/14 ,  H04W48/10 ,  H04W48/16 ,  H04W74/00

    Abstract: A method for low overhead system information acquisition (LOSIA) is disclosed. The LOSIA method includes several techniques for transmitting common channels in a next generation Radio Access Technology (xRAT). Instead of transmitting system information in a periodic, static, cell-specific, wideband manner, the transmission is triggered by user equipment in an “on demand” manner. The LOSIA method allows the network to control the overhead, bandwidth, and periodicity, as well as other characteristics. The LOSIA method employs several different techniques to trigger the information upon which the network can act, for example, by transmitting different payloads depending on the received trigger.

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