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    Sub-PRB resource allocation for pusch in even further enhanced MTC
    73.
    发明授权
    Sub-PRB resource allocation for pusch in even further enhanced MTC 有权

    公开(公告)号：US10925082B2

    公开(公告)日：2021-02-16

    申请号：US16488200

    申请日：2018-03-21

    Applicant: Apple Inc.

    Inventor： Qiaoyang Ye ,  Debdeep Chatterjee ,  Salvatore Talarico

    IPC: H04W72/12 ,  H04L5/00 ,  H04L5/14

    Abstract: Systems and methods of enabling sub-PRB allocation for an efeMTC UE are described. The efeMTC UE transmits to an eNB or gNB support for a sub-PRB PUSCH transmission in a capability information element of a RRC message. The RRC message is transmitted after transmission of message 3 of the RACH procedure. The efeMTC UE receives semi-statistical dedicated RRC signaling that contains a sub-PRB configuration that is dependent on a sub-PRB maximum PUSCH channel bandwidth, a CE mode, a RL configured for the PUSCH and a TDD configuration and a sub-PRB PUSCH transmission allocation. The efeMTC UE transmits a sub-PRB PUSCH transmission on the sub-PRB PUSCH transmission allocation.

    FBE Framework for NR Systems Operating on Unlicensed Spectrum
    74.
    发明申请
    FBE Framework for NR Systems Operating on Unlicensed Spectrum 有权

    公开(公告)号：US20210014891A1

    公开(公告)日：2021-01-14

    申请号：US16924123

    申请日：2020-07-08

    Applicant: Apple Inc.

    Inventor： Salvatore Talarico ,  Yongjun Kwak ,  Yingyang Li ,  Carlos H. Aldana

    IPC: H04W74/08 ,  H04W16/14 ,  H04W72/12

    Abstract: Apparatuses, systems, and methods are disclosed for frame based equipment (FBE) framework for new radio (NR) systems operating on the unlicensed spectrum. A processor for a base station performs a first clear channel assessment (CCA) using Category-1 (CAT-1) or CAT-2 listen-before-talk (LBT) on an unlicensed spectrum. The processor transmits first downlink (DL) data to one or more user equipments (UEs) within a fixed frame period (FFP) in accordance with a frame based equipment (FBE) framework for new radio (NR) on the unlicensed spectrum. The base station operates as an initiating device and the one or more UEs operate as responding devices. The processor performs a second CCA responsive to a gap of X orthogonal frequency-division multiplexing (OFDM) symbols between a DL burst and an uplink (UL) burst being greater than a threshold gap. The processor transmits second DL data within the FFP responsive to performing the second CCA.

    Scheduling for new radio in unlicensed spectrum (NR-U)
    76.
    发明授权
    Scheduling for new radio in unlicensed spectrum (NR-U) 有权

    公开(公告)号：US11949613B2

    公开(公告)日：2024-04-02

    申请号：US17259102

    申请日：2019-08-09

    Applicant: Apple Inc.

    Inventor： Bishwarup Mondal ,  Salvatore Talarico ,  Seau S. Lim ,  Dae Won Lee ,  Jeongho Jeon

    IPC: H04W4/00 ,  H04L5/00 ,  H04W72/20

    CPC classification number: H04L5/0048 ,  H04W72/20

    Abstract: An apparatus of a network (NW) configured to: encode a new radio (NR) Discovery Reference Signal (DRS) transmission, the NR DRS transmission including a synchronization signal block (SSB) and channel state information (CSI) reference signal (RS) (CSI-RS). The apparatus is further configured to configure the NW to transmit the NR DRS transmission. The RS-CSI may be a fragmented RS-CSI including a first fragmented portion and a second fragmented portion, where the apparatus is configured to encode a symbol of the NR DRS transmission to comprise the first fragmented portion, a symbol of the SSB, and the second fragmented portion, where the symbol of the SSB is encoded on a physical broadcast channel (PBCH) portion of the NR DRS transmission.

    Channel Sensing Indication When COT Sharing in NR Systems Operating in Unlicensed Spectrum
    77.
    发明公开
    Channel Sensing Indication When COT Sharing in NR Systems Operating in Unlicensed Spectrum 审中-公开

    公开(公告)号：US20230397252A1

    公开(公告)日：2023-12-07

    申请号：US18365112

    申请日：2023-08-03

    Applicant: Apple Inc.

    Inventor： Carlos H. Aldana ,  Yongjun Kwak ,  Yingyang Li ,  Salvatore Talarico

    IPC: H04W74/08 ,  H04W72/12

    CPC classification number: H04W74/0808 ,  H04W72/12

    Abstract: Methods and apparatus are disclosed for a UE and its serving base station in 5G NR systems to signal channel scan or channel sensing to allow channel occupancy time (COT) sharing before transmissions. The COT sharing may be initiated by the base station or by the UE by asserting a CCA indication to enable channel sensing by a UE or base station, respectively. When the UE receives and decodes the asserted CCA indication during downlink transmission, the UE may perform channel sensing during a short interframe space (SIFS) between the downlink transmission and a scheduled uplink transmission. When the UE detects that the sensed RF energy across an intended transmission band is greater than an energy detect threshold, the UE may refrain from transmitting during the scheduled uplink transmission. Otherwise or when the CCA indication is de-asserted, the UE may transmit during the scheduled uplink transmission without performing channel sensing.

    Channel sensing indication when COT sharing in NR systems operating in unlicensed spectrum
    78.
    发明授权
    Channel sensing indication when COT sharing in NR systems operating in unlicensed spectrum 有权

    公开(公告)号：US11765772B2

    公开(公告)日：2023-09-19

    申请号：US17949983

    申请日：2022-09-21

    Applicant: Apple Inc.

    Inventor： Carlos H. Aldana ,  Yongjun Kwak ,  Yingyang Li ,  Salvatore Talarico

    IPC: H04W72/12 ,  H04W74/08

    CPC classification number: H04W74/0808 ,  H04W72/12

    Abstract: Methods and apparatus are disclosed for a UE and its serving base station in 5G NR systems to signal channel scan or channel sensing to allow channel occupancy time (COT) sharing before transmissions. The COT sharing may be initiated by the base station or by the UE by asserting a CCA indication to enable channel sensing by a UE or base station, respectively. When the UE receives and decodes the asserted CCA indication during downlink transmission, the UE may perform channel sensing during a short interframe space (SIFS) between the downlink transmission and a scheduled uplink transmission. When the UE detects that the sensed RF energy across an intended transmission band is greater than an energy detect threshold, the UE may refrain from transmitting during the scheduled uplink transmission. Otherwise, or when the CCA indication is de-asserted, the UE may transmit during the scheduled uplink transmission without performing channel sensing.

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