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    DRX cycle reconfiguration to improve detection of D2D transmissions
    1.
    发明授权
    DRX cycle reconfiguration to improve detection of D2D transmissions 有权

    公开(公告)号：US12213206B2

    公开(公告)日：2025-01-28

    申请号：US17790918

    申请日：2021-01-15

    Applicant: Kyocera Corporation

    Inventor： Henry Chang ,  Amit Kalhan

    IPC: H04W76/28 ,  G08G1/16 ,  H04W52/02 ,  H04W72/20 ,  H04W74/0833 ,  H04W76/14

    Abstract: The methods, devices, and systems discussed herein involve a mobile wireless communication device (WCD) receiving a first discontinuous reception (DRX) cycle configuration from a network. In some examples, the first DRX cycle configuration is a U E-specific DRX cycle configuration. In other examples, the first DRX cycle configuration is a default DRX cycle configuration. The WCD also receives a second DRX cycle configuration that is different from the first DRX cycle configuration from the network. In some examples, the second DRX cycle configuration is compatible with a sidelink DRX cycle configuration of a D2D-capable device. Upon entering a first area that is near a potential safety scenario, such as an intersection, the WCD receives a signal containing an indicator. In response to receiving the signal, the WCD utilizes the second DRX cycle configuration to detect one or more device-to-device (D2D) transmissions from a D2D-capable device.

    Mini-slot reservation channel transmission in V2V communications
    2.
    发明授权
    Mini-slot reservation channel transmission in V2V communications 有权

    公开(公告)号：US12069612B2

    公开(公告)日：2024-08-20

    申请号：US17282973

    申请日：2019-10-02

    Applicant: Kyocera Corporation

    Inventor： Amit Kalhan

    IPC: H04W72/02 ,  H04L5/00 ,  H04W4/40 ,  H04W4/46 ,  H04W28/26 ,  H04W72/0446 ,  H04W72/0453

    CPC classification number: H04W72/02 ,  H04L5/0048 ,  H04L5/0051 ,  H04W4/40 ,  H04W4/46 ,  H04W28/26 ,  H04W72/0446 ,  H04W72/0453

    Abstract: A network configures (e.g., allocates) reservation channel resources within a reservation channel resource pool and transmits information regarding the reservation channel resource pool to at least one wireless communication device of a vehicle ad-hoc network (VANET). The reservation channel resource pool comprises at least one time-slot comprising a set of mini-slots. A wireless communication device interested in transmitting a reservation channel transmission selects, from the reservation channel resource pool, time-frequency resources to use for a reservation channel transmission. The wireless communication device also selects a number of mini-slots over which to repeatedly transmit the reservation channel transmission. The wireless communication device then repeatedly transmits the reservation channel transmission over the selected number of mini-slots, using the selected time-frequency resources.

    Interference mitigation for aerial vehicle communications by sharing scheduling information with neighboring base stations
    5.
    发明授权
    Interference mitigation for aerial vehicle communications by sharing scheduling information with neighboring base stations 有权

    公开(公告)号：US11337191B2

    公开(公告)日：2022-05-17

    申请号：US16636850

    申请日：2018-08-10

    Applicant: Amit Kalhan ,  Henry Chang ,  Kyocera Corporation

    Inventor： Amit Kalhan ,  Henry Chang

    IPC: H04W72/04 ,  H04W72/08 ,  H04L5/00 ,  H04L27/26 ,  H04W24/10 ,  H04W72/12

    Abstract: A serving base station allocates communication resources to be used by an aerial vehicle user equipment device (AV-UE) for uplink data transmissions. A neighboring base station is informed, via an air interface, of the communication resources that were allocated to the AV-UE. In some examples, the AV-UE retransmits scheduling assignment information, received from the serving base station, to the neighboring base station. In still other examples, the AV-UE transmits a sounding reference signal (SRS) to the neighboring base station. The neighboring base station can decode the retransmitted scheduling assignment information and/or the SRS to obtain information regarding the communication resources that have been allocated to the AV-UE for uplink data transmissions. The neighboring base station mitigates interference from the uplink data transmissions sent by the AV-UE.

    Downlink timing advanced for common synchronization signal acquisition
    6.
    发明授权
    Downlink timing advanced for common synchronization signal acquisition 有权

    公开(公告)号：US11337171B2

    公开(公告)日：2022-05-17

    申请号：US16771505

    申请日：2018-12-03

    Applicant: Kyocera Corporation

    Inventor： Amit Kalhan

    IPC: H04W56/00 ,  H04B17/318

    Abstract: A set of neighboring base stations coordinate to transmit a cell-specific common resynchronization signal via a Common Synchronization Channel (CSCH). At least one neighboring base station transmits the cell-specific common resynchronization signal by a timing advance value before a serving base station transmits the cell-specific common resynchronization signal. A user equipment (UE) device receives the cell-specific common resynchronization signals from the base stations and combines the received cell-specific common resynchronization signals. In some examples, the UE device coherently combines the received cell-specific common resynchronization signals. Once the received signal strength of the combined received cell-specific common resynchronization signals exceeds a threshold level, the UE device utilizes the combined received cell-specific common resynchronization signals to obtain resynchronization.

    Providing user equipment feedback via signal forwarding device
    8.
    发明授权
    Providing user equipment feedback via signal forwarding device 有权

    公开(公告)号：US11233586B2

    公开(公告)日：2022-01-25

    申请号：US16079699

    申请日：2017-03-02

    Applicant: Kyocera Corporation

    Inventor： Amit Kalhan

    IPC: H04B17/24 ,  H04B7/155 ,  H04B17/309 ,  H04L5/00 ,  H04W24/10 ,  H04W72/04

    Abstract: A downlink signal is received at an origination device (e.g., a user equipment (UE) device). In response to receiving the downlink signal, the origination device transmits an uplink signal to a signal forwarding device. The uplink signal received, at the signal forwarding device, from the origination device is a “received signal,” which contains a destination identifier. The signal forwarding device transmits a “forwarded signal” to a destination associated with the destination identifier. The “forwarded signal” is based on the contents of the “received signal” and/or any information that may be ascertained from the “received signal.” The received signal may also contain a downlink channel feedback report and/or an acknowledgment response. Based on the forwarded signal, a signal forwarding scheme may be selected.

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