EARLY HANDOVER PREPARATION AND EARLY HANDOVER COMMAND

    公开(公告)号:US20210235336A1

    公开(公告)日:2021-07-29

    申请号:US16495209

    申请日:2018-03-22

    Abstract: A handover procedure for a terminal device in a system comprising the terminal device, a source network access node to which the terminal device is initially connected, and one or more candidate target network access nodes. The method includes determining that a first measurement for radio channel conditions for a first candidate target access node satisfies a first predefined criterion; receiving at the terminal device connection information for use by the terminal device for connecting to the first candidate target network access node; establishing a second measurement for radio channel conditions between the terminal device and one of the one or more candidate target network access nodes; determining that the second measurement of radio channel conditions satisfies a second predefined criterion; and transmitting from the terminal device an indication that the second measurement of radio channel conditions for the first candidate target network access node satisfies the second predefined criterion.

    COMMUNICATIONS DEVICE, INFRASTRUCTURE EQUIPMENT AND METHODS

    公开(公告)号:US20210143967A1

    公开(公告)日:2021-05-13

    申请号:US17262746

    申请日:2019-07-18

    Abstract: A communications device for communicating with an infrastructure equipment of a wireless communications network, the communications device comprising a transceiver configured to transmit signals and to receive signals on a wireless access interface of the wireless communications network using a plurality of activated bandwidth parts, each being formed from communications resources of a carrier within a carrier bandwidth, and a processor configured to control the transceiver to transmit the signals and to receive the signals, wherein the processor is configured in combination with the transceiver to transmit signals or to receive signals using a first of the plurality of activated bandwidth parts, to receive, via the first activated bandwidth part, an indication of one or more bandwidth parts to be activated, to select one or more bandwidth parts to be de-activated in accordance with a maximum number of activated bandwidth parts permitted for the communications device.

    COMMUNICATIONS DEVICE, INFRASTRUCTURE EQUIPMENT, COMMUNICATIONS SYSTEM AND METHODS

    公开(公告)号:US20210100063A1

    公开(公告)日:2021-04-01

    申请号:US16634166

    申请日:2018-08-01

    Abstract: A communications device is provided, which is configured to transmit or receive signals via a wireless access interface provided by the wireless communications network to or from one or more infrastructure equipment. The communications device is configured, at the time of a Radio Resource Control (RRC) connection establishment procedure, to receive a first message from one of the infrastructure equipment comprising an indication that the infrastructure equipment is capable of operating in accordance with a packet data convergence protocol (PDCP) in accordance with a first radio access technology, to establish a PDCP entity based on the received indication, and to transmit a second message to the infrastructure equipment comprising an indication that the communications device is capable of operating in accordance with one or both of the PDCP in accordance with the first radio access technology and a PDCP in accordance with a second radio access technology.

    METHODS, WIRELESS COMMUNICATIONS NETWORKS AND INFRASTRUCTURE EQUIPMENT

    公开(公告)号:US20210045036A1

    公开(公告)日:2021-02-11

    申请号:US17041453

    申请日:2019-03-18

    Abstract: A method of controlling communications within a wireless communications network is provided. The communications network comprises a plurality of infrastructure equipment each being configured to communicate with one or more others of the infrastructure equipment via a backhaul communications link, one or more of the infrastructure equipment each being configured to communicate with one or more communications devices via a wireless access interface. The method comprises receiving, at a first of the infrastructure equipment acting as a donor node connected to a core network part of the wireless communications network, from a second of the infrastructure equipment, information relating to each of a plurality of different communications paths from the second infrastructure equipment to the first infrastructure equipment via one or more others of the infrastructure equipment acting as relay nodes, determining, based on the received information relating to the plurality of different communications paths, that either at least a part of a new communications path exists between the first of the infrastructure equipment and the second of the infrastructure equipment or at least a part of a previously known communications path no longer exists between the first of the infrastructure equipment and the second of the infrastructure equipment, and updating a communications path list by either adding the at least the part of the new communications path or deleting the at least the part of the previously known communications path that no longer exists.

    TERMINAL DEVICE, INFRASTRUCTURE EQUIPMENT AND METHODS

    公开(公告)号:US20200280951A1

    公开(公告)日:2020-09-03

    申请号:US16763985

    申请日:2018-11-08

    Abstract: A terminal device for use with a wireless telecommunications network, the terminal device comprising: sensor circuitry configured to detect a value of a parameter which is variable in response to a variation in vertical position of the terminal device; receiver circuitry configured to receive, from infrastructure equipment of the wireless telecommunications network, a reference value of the parameter and a reference value of the vertical position at which the reference value of the parameter is associated; processing circuitry configured to determine a value of the vertical position of the terminal device defined relative to a second reference vertical position, wherein the determining comprises: determining the second reference vertical position based on a geographical position of the terminal device; determining a value of the vertical position of the terminal device defined relative to the first reference vertical position based on the detected value of the parameter; determining the value of the vertical position of the terminal device defined relative to the second reference vertical position based on a difference between the determined value of the vertical position of the terminal device defined relative to the first reference vertical position and the second reference vertical position.

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