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    Method and apparatus for performing direct communication with at least one other user equipment
    1.
    发明授权
    Method and apparatus for performing direct communication with at least one other user equipment 有权

    公开(公告)号：US12284573B2

    公开(公告)日：2025-04-22

    申请号：US18461048

    申请日：2023-09-05

    Applicant: Samsung Electronics Co., Ltd.

    Inventor： Yun-Sun Baek ,  Hyeon-Mok Ko ,  Sung-Jin Park

    IPC: H04W4/10 ,  H04L9/40 ,  H04L12/18 ,  H04L65/403 ,  H04W12/08 ,  H04W72/30 ,  H04W76/14 ,  H04W76/18

    Abstract: A method and an apparatus for are provided direct communication with a user equipment. A method performed by an MCPTT client device includes transmitting, to a client device, a floor request message for an off-network group call; starting a timer; restarting the timer in response to the timer expiring before receiving a floor granted message; stopping the timer in response to receiving the floor granted message before the timer expires; retransmitting the floor request message each time the timer expires before receiving the floor granted message until a total number of transmissions reaches a predetermined number; transmitting, to the client device, a floor taken message indicating that the permission to send is granted to the MCPTT client device after transmitting the floor request message the predetermined number of times and the timer expires before receiving the floor granted message; and transmitting first media data to the client device.

    Method and terminal for implementing communication
    3.
    发明授权
    Method and terminal for implementing communication 有权

    公开(公告)号：US12167301B2

    公开(公告)日：2024-12-10

    申请号：US17725191

    申请日：2022-04-20

    Applicant: Samsung Electronics Co., Ltd.

    Inventor： Yun-Sun Baek ,  Nishant Gupta ,  Kill-Yeon Kim ,  Duk-Gu Sung ,  Jae-Woong Lee

    IPC: H04W4/10 ,  H04L65/403 ,  H04L65/4061 ,  H04W4/08 ,  H04W76/45 ,  H04W76/50 ,  H04W84/18

    Abstract: Provided is a method performed by a terminal of performing communication, the method including generating a private call setup request message including a call identifier information element (IE), a caller IE, a callee IE, and a call type IE set to an emergency private call, based on receiving a user indication to upgrade a call to emergency call, wherein the terminal is in an in-progress private call state; setting a proximity-based services (ProSe) per-packet priority corresponding to the emergency private call; transmitting, to another terminal, the private call setup request message; starting a timer relating to private call request retransmission based on the emergency call setup request message; and entering an in-progress emergency private call state from the in-progress private call state.

    Method and device for group communication
    5.
    发明授权
    Method and device for group communication 有权

    公开(公告)号：US10813166B2

    公开(公告)日：2020-10-20

    申请号：US15772485

    申请日：2016-10-28

    Applicant: Samsung Electronics Co., Ltd.

    Inventor： Yun-Sun Baek ,  Jeong-Wun Jee

    IPC: H04L12/16 ,  H04Q11/00 ,  H04W76/45 ,  H04W4/029 ,  H04W4/08 ,  H04W76/00 ,  H04L29/06 ,  H04W4/02 ,  H04W4/10 ,  H04L29/08 ,  H04W8/18 ,  H04W4/70 ,  H04W84/18

    Abstract: The present disclosure relates to technologies for sensor networks, machine-to-machine (M2M) communications, machine-type communications (MTC), and the Internet of Things (IoT). The present disclosure may be applied to intelligent services such as smart homes, smart buildings, smart cities, smart cars or connected cars, health care, digital education, retail businesses, and security and safety related services, on the basis of said technologies. More specifically, the present disclosure relates to a method for performing a group communication by a terminal, the method comprising the steps of: setting a condition for selecting target terminals which will perform a group communication on the basis of the position of the terminal, and transmitting, to a server for providing the group communication, configuration information including the set selection condition; transmitting, to the server, a request for the group communication; receiving, from the server, a talk burst control message for a group communication with terminals which satisfy the selection condition and are selected from adjacent terminals positioned in the near field of the terminal; and relaying and transmitting media data to the selected terminals via the server.

    Scheme for setting up PTT group call in a wireless communication network
    6.
    发明授权
    Scheme for setting up PTT group call in a wireless communication network 有权

    公开(公告)号：US10715968B2

    公开(公告)日：2020-07-14

    申请号：US15752095

    申请日：2016-08-11

    Applicant: Samsung Electronics Co., Ltd.

    Inventor： Hyeon-Mok Ko ,  Sung-Jin Park ,  Yun-Sun Baek

    IPC: H04W4/10 ,  H04W76/00 ,  H04W4/08 ,  H04L12/24

    Abstract: The present disclosure proposes a method for joining an on-going group call by a push-to-talk (PTT) client in a wireless communication network, the method comprising: entering a coverage of the on-going group call; transmitting a group call announcement message for setting up a group call, the group call announcement message comprising a group identification (ID) of the on-going group call; receiving parameters from another PTT client participating the on-going group call; and configuring the parameters for media transfer in the on-going group call based on the received parameter.

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