Cell Handover Method and Apparatus in High-Speed Movement Scenario

    公开(公告)号:US20220007260A1

    公开(公告)日:2022-01-06

    申请号:US17285729

    申请日:2018-10-16

    Abstract: This application relates to the field of communications technologies, and provides a cell handover method and an apparatus in a high-speed movement scenario, to resolve problems of a relatively high service drop rate and a relatively high re-establishment rate of a terminal device in the high-speed movement scenario. The method includes: enabling a high-speed railway function of a terminal device; obtaining path information; determining a first target cell based on the path information; and reporting a first measurement report when a measurement value of a source cell meets a second threshold, where the first measurement report is used to trigger a network side device to control the terminal device to hand over from the source cell to the first target cell, and the source cell is a cell on which the terminal device camps, the second threshold is greater than a first threshold, and the first threshold is a threshold that is indicated by the network side device and that is used to trigger the terminal device to report a measurement report.

    Cell handover method and apparatus in high-speed movement scenario

    公开(公告)号:US11716666B2

    公开(公告)日:2023-08-01

    申请号:US17285729

    申请日:2018-10-16

    CPC classification number: H04W36/32 H04W36/0058 H04W36/00835

    Abstract: This application relates to the field of communications technologies, and provides a cell handover method and an apparatus in a high-speed movement scenario, to resolve problems of a relatively high service drop rate and a relatively high re-establishment rate of a terminal device in the high-speed movement scenario. The method includes: enabling a high-speed railway function of a terminal device; obtaining path information; determining a first target cell based on the path information; and reporting a first measurement report when a measurement value of a source cell meets a second threshold, where the first measurement report is used to trigger a network side device to control the terminal device to hand over from the source cell to the first target cell, and the source cell is a cell on which the terminal device camps, the second threshold is greater than a first threshold, and the first threshold is a threshold that is indicated by the network side device and that is used to trigger the terminal device to report a measurement report.

    Method and apparatus for determining target cell

    公开(公告)号:US10397846B2

    公开(公告)日:2019-08-27

    申请号:US15570633

    申请日:2015-04-29

    Abstract: A method and an apparatus relate to the communications field, used for determining a target cell, where the method includes obtaining, by a terminal, a historical camped-on cell list of the terminal and a neighboring cell list of a serving cell of the terminal, determining, by the terminal, that a first cell list is the neighboring cell list of the serving cell and the historical camped-on cell list when a signal strength of the serving cell of the terminal is less than or equal to a first preset value, performing, by the terminal, measurement for a cell in the first cell list to obtain a measurement result, and determining, by the terminal, a target cell from the first cell list according to the measurement result.

    Method and Apparatus for Determining Target Cell

    公开(公告)号:US20190007883A1

    公开(公告)日:2019-01-03

    申请号:US15570633

    申请日:2015-04-29

    CPC classification number: H04W36/30 H04W24/02 H04W36/245 H04W36/36 H04W88/02

    Abstract: A method and an apparatus relate to the communications field, used for determining a target cell, where the method includes obtaining, by a terminal, a historical camped-on cell list of the terminal and a neighboring cell list of a serving cell of the terminal, determining, by the terminal, that a first cell list is the neighboring cell list of the serving cell and the historical camped-on cell list when a signal strength of the serving cell of the terminal is less than or equal to a first preset value, performing, by the terminal, measurement for a cell in the first cell list to obtain a measurement result, and determining, by the terminal, a target cell from the first cell list according to the measurement result.

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