Power management for vehicle-mounted base station

    公开(公告)号:US11233672B2

    公开(公告)日:2022-01-25

    申请号:US16155514

    申请日:2018-10-09

    Abstract: A base station for providing dynamic power management is disclosed, comprising, a processor within an enclosure mounted in a vehicle, a power management unit coupled to the processor, a controller area network (CAN) bus monitoring system coupled to the power management unit and to a CAN bus of the vehicle, a voltage measurement module also coupled to the power management unit and to a battery of the vehicle; a baseband processor coupled to the processor, a first wireless access functionality coupled to the baseband processor, and a second wireless access functionality coupled to the baseband processor, wherein the power management unit is coupled to each of the first and the second wireless access functionality to enable access radio bringup, access radio shutdown, and graceful user detach based on a power state at the power management unit.

    Two-factor authentication in a cellular radio access network

    公开(公告)号:US11190510B2

    公开(公告)日:2021-11-30

    申请号:US16192794

    申请日:2018-11-15

    Abstract: A method for authenticating radio access network devices is disclosed, comprising: authenticating, at a coordination server, a base station in a radio access network using a first authentication factor; selecting, following successful authentication of the base station using the first authentication factor, a challenge question based on historical information of the base station stored within a database; sending, from the coordination server to the base station, a request containing the challenge question to further authenticate the base station based on the historical information of the base station; receiving, from the base station at the coordination server, a response to the challenge question; verifying, at the coordination server, the correctness of the response using a key derived from the historical information; and granting the base station access to a core network of a mobile operator, thereby addressing security issues unsolved by one-factor authentication.

    5G interoperability architecture
    123.
    发明授权

    公开(公告)号:US11129240B2

    公开(公告)日:2021-09-21

    申请号:US16424479

    申请日:2019-05-28

    Abstract: Systems and methods are disclosed for providing a 5G interoperability architecture. In one embodiment, a system is disclosed, comprising: at least one Radio Access network (RAN); at least one core network; and a gateway in communication with the RAN and the core network, the gateway including: a Radio Access Network (RAN) interface for communicating with the at least one RAN; a core network interface for communicating with the at least one core network; and a processor configured to: process 5G signaling received from the at least one RAN on the RAN interface and provide core signaling to at least one core network; and process signaling received from the at least one core on the core network interface and provide 5G RAN signaling to at least one RAN.

    Base Station Power Management Using Solar Panel and Battery Forecasting

    公开(公告)号:US20210127339A1

    公开(公告)日:2021-04-29

    申请号:US17141859

    申请日:2021-01-05

    Abstract: A system is disclosed, comprising: a solar panel; an electric power supply source; a wireless fronthaul access point coupled to a radio mast and in communication with a remote baseband unit, the wireless fronthaul access point further comprising a first millimeter wave wireless interface; a self-organizing network module in communication with a coordinating server; and an antenna-integrated radio for providing access to user equipments (UEs), mounted within line of sight on the radio mast with the wireless fronthaul access point, the antenna-integrated radio further comprising: a second millimeter wave wireless interface configured to receive the digital I and Q signaling information from the remote baseband unit wirelessly via the wireless fronthaul access point, wherein the wireless fronthaul access point thereby wirelessly couples the remote baseband unit and the antenna-integrated radio. Synchronization is used to pack used resource blocks to reduce the duty cycle of the PAs, thereby reducing power.

    Hand-in with topology hiding
    126.
    发明授权

    公开(公告)号:US10979946B2

    公开(公告)日:2021-04-13

    申请号:US16028069

    申请日:2018-07-05

    Abstract: Systems and methods for performing handover coordination between base stations are disclosed. In a first embodiment, a method is disclosed, comprising: receiving, at a base station, a first serving cell signal measurement and a first neighbor cell signal measurement from a particular user equipment (UE); sending an adjustment message, from the base station to the UE, containing a cell-specific offset of the serving cell and a cell-specific offset of the neighbor cell in a reporting threshold based on at least one handover adjustment factor received from a coordinating node; receiving, at the base station and subsequent to adjusting the cell-specific offsets, a second serving cell signal measurement and a second neighbor cell signal measurement; and deciding whether to trigger a handover event based on the first and the second serving cell signal measurement and the first and the second neighbor cell signal measurement and the cell-specific offsets.

    IuGW Architecture
    127.
    发明申请

    公开(公告)号:US20210076446A1

    公开(公告)日:2021-03-11

    申请号:US16950750

    申请日:2020-11-17

    Abstract: Systems and methods are disclosed for a 3G gateway. In one embodiment, a system is disclosed, comprising a gateway situated between a 3G radio access network (RAN) and a core network, the gateway providing resource management for a nodeB, and providing routing and node management for another base station, wherein the base station may be configured to provide, as a virtual RNC, radio resource control, power control, ciphering, and multiplexing of multiple users onto a transmission path for a first mobile device attached to the nodeB; the gateway may be configured to relay traffic for a second mobile device attached to the base station; and the gateway may be configured to relay traffic to the core network from both the nodeB and the base station via an IuCS interface and an IuPS interface.

    Base Station Power Management Using Solar Panel and Battery Forecasting

    公开(公告)号:US20200229110A1

    公开(公告)日:2020-07-16

    申请号:US16828864

    申请日:2020-03-24

    Abstract: A system is disclosed, comprising: a solar panel; an electric power supply source; a wireless fronthaul access point coupled to a radio mast and in communication with a remote baseband unit, the wireless fronthaul access point further comprising a first millimeter wave wireless interface; a self-organizing network module in communication with a coordinating server; and an antenna-integrated radio for providing access to user equipments (UEs), mounted within line of sight on the radio mast with the wireless fronthaul access point, the antenna-integrated radio further comprising: a second millimeter wave wireless interface configured to receive the digital I and Q signaling information from the remote baseband unit wirelessly via the wireless fronthaul access point, wherein the wireless fronthaul access point thereby wirelessly couples the remote baseband unit and the antenna-integrated radio. Synchronization is used to pack used resource blocks to reduce the duty cycle of the PAs, thereby reducing power.

    Low-latency inter-eNodeB coordinated multi-point transmission

    公开(公告)号:US10673493B2

    公开(公告)日:2020-06-02

    申请号:US16299233

    申请日:2019-03-12

    Abstract: Systems and methods are disclosed for supporting multi-point transmission. In one embodiment, a system for downlink multi-point transmission are disclosed, comprising: a first base station in radio frequency proximity to a user device and with a established control connection with the user device; a second base station also in radio frequency proximity to the user device; and a coordinating node coupled to the first and the second base station for coordinating transmissions to the first and the second base station to the user device, the coordinating node configured to: select the second base station based on selection criteria, the selection criteria including latency of each base station and perceived signal strength of each base station at the user device; and send scheduling instructions to each of the first and the second base stations to transmit data to the user device.

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