Method of distributing security key context, mobility management entity, and base station

    公开(公告)号:US10200916B2

    公开(公告)日:2019-02-05

    申请号:US15193541

    申请日:2016-06-27

    Abstract: A method of distributing a security key context, where the method includes receiving, by a mobility management entity, a first indication from a primary base station, where the first indication is used for requesting a path switch from the mobility management entity and indicating that the path switch is triggered by carrier aggregation between base stations, processing the path switch according to the first indication, and keeping, according to the first indication, the security key context for the path switch unchanged, and sending a second indication to the primary base station, to indicate the primary base station to keep the security key context unchanged, or sending a third indication to the primary base station, to indicate the primary base station to acquire a quantity of times of reversal of a next hop chaining counter in the security key context.

    DATA OFFLOADING METHOD AND BASE STATION
    382.
    发明申请

    公开(公告)号:US20180242195A1

    公开(公告)日:2018-08-23

    申请号:US15958504

    申请日:2018-04-20

    Abstract: Embodiments of the present invention provide a data offloading method and a base station. The method includes: sending, by a master base station, a first request message to a mobility management control node, where the first request message includes an address of a local gateway of a secondary base station, and the first request message is used to request to perform data offloading at the local gateway of the secondary base station; receiving, by the master base station, a first response message that is sent by the mobility management control node according to the first request message, where the first response message includes a first related identifier (ID) of the local gateway of the secondary base station, and the first related ID is used to indicate a first bearer according to which data offloading is performed at the local gateway of the secondary base station.

    Method and system for contending for channel of unlicensed frequency band, and apparatus

    公开(公告)号:US10028150B2

    公开(公告)日:2018-07-17

    申请号:US15219940

    申请日:2016-07-26

    Abstract: Embodiments of the present invention provide a method and system for contending for a channel of an unlicensed frequency band, and an apparatus. The method for contending for a channel of an unlicensed frequency band in the present invention includes: acquiring, according to contention timeslot configuration information, a condition for starting a contention timeslot, and starting the contention timeslot when the condition is met, where the contention timeslot configuration information includes at least one of the following configurations: a time configuration of the contention timeslot, a contention backoff time, a terminal feedback uplink configuration, or a channel available condition; and performing a corresponding operation within the contention timeslot according to the time configuration of the contention timeslot to contend for a channel of an unlicensed frequency band, so as to implement data transmission on the unlicensed frequency band.

    RADIO LINK MONITORING METHOD, RELATED DEVICE, AND SYSTEM

    公开(公告)号:US20180192311A1

    公开(公告)日:2018-07-05

    申请号:US15907301

    申请日:2018-02-28

    Abstract: Embodiments of the present invention disclose a radio link monitoring method, including: contending, by a base station, for permission of use of an unlicensed frequency band; and sending, by the base station, statistical information of the permission of use of the unlicensed frequency band to user equipment after the permission of use of the unlicensed frequency band is obtained by means of contention, where the statistical information indicates data that is obtained after statistics collection is performed on the permission of use of the unlicensed frequency band according to a preset statistical method, so that the user equipment determines whether a radio link fails. The embodiments of the present invention further disclose a related base station, user equipment, and a communications system. The embodiments of the present invention can improve service quality of the unlicensed frequency band.

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