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1.发明授权公开(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
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.
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2.发明授权公开(公告)号：US11259150B2
公开(公告)日：2022-02-22
申请号：US16895699
申请日：2020-06-08
Applicant: Samsung Electronics Co., Ltd.
Inventor： Yun-Sun Baek , Hyeon-Mok Ko , Sung-Jin Park
IPC: H04W4/10 , H04L29/06 , H04L9/40 , H04W72/00 , H04L12/18 , H04W12/08 , H04W76/18 , H04W76/14 , H04L65/403
Abstract: A method and an apparatus for performing direct communication with at least one other user equipment are provided. The method and apparatus comprises upon generation of an event requiring the direct communication, transmitting a floor request, monitoring whether a response to the floor request is received from at least one adjacent UE, if a response to the floor request is not received until the floor request is transmitted a predetermined number of times at a predetermined interval, determining that a transmission right for the direct communication is granted, and if it is determined that the transmission right is granted, transmitting a signal to the at least one other UE by the direct communication.
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Patent Agency Ranking
3.发明授权公开(公告)号：US11751021B2
公开(公告)日：2023-09-05
申请号：US17668043
申请日：2022-02-09
Applicant: Samsung Electronics Co., Ltd.
Inventor： Yun-Sun Baek , Hyeon-Mok Ko , Sung-Jin Park
CPC classification number: H04W4/10 , H04L9/40 , H04L12/18 , H04L12/1822 , H04L65/4046 , H04W12/08 , H04W72/30 , H04W76/14 , H04W76/18
Abstract: A method and an apparatus for performing direct communication with at least one other user equipment are provided. A method performed by a UE includes transmitting, to at least one other UE included in a group call with the UE, a first message requesting permission for transmission; starting a timer upon transmitting the first message; restarting the timer in response to the timer expiring before a second message in response to the first message has been received; stopping the timer in response to receiving the second message before the timer expires; retransmitting the first message each time the timer expires before receiving the second message until a total number of transmissions of the first message reaches a predetermined number of times; transmitting, to the at least one other UE, a third message indicating that the permission for transmission is granted to the UE after the first message is transmitted the predetermined number of times and the timer expires before receiving the second message; and transmitting media data to the at least one other UE after transmitting the third message.
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4.发明申请公开(公告)号：US20220167126A1
公开(公告)日：2022-05-26
申请号：US17668043
申请日：2022-02-09
Applicant: Samsung Electronics Co., Ltd
Inventor： Yun-Sun BAEK , Hyeon-Mok Ko , Sung-Jin PARK
Abstract: A method and an apparatus for performing direct communication with at least one other user equipment are provided. A method performed by a UE includes transmitting, to at least one other UE included in a group call with the UE, a first message requesting permission for transmission; starting a timer upon transmitting the first message; restarting the timer in response to the timer expiring before a second message in response to the first message has been received; stopping the timer in response to receiving the second message before the timer expires; retransmitting the first message each time the timer expires before receiving the second message until a total number of transmissions of the first message reaches a predetermined number of times; transmitting, to the at least one other UE, a third message indicating that the permission for transmission is granted to the UE after the first message is transmitted the predetermined number of times and the timer expires before receiving the second message; and transmitting media data to the at least one other UE after transmitting the third message.
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5.发明申请公开(公告)号：US20200344578A1
公开(公告)日：2020-10-29
申请号：US16895699
申请日：2020-06-08
Applicant: Samsung Electronics Co., Ltd.
Inventor： Yun-Sun BAEK , Hyeon-Mok Ko , Sung-Jin Park
Abstract: A method and an apparatus for performing direct communication with at least one other user equipment are provided. The method and apparatus comprises upon generation of an event requiring the direct communication, transmitting a floor request, monitoring whether a response to the floor request is received from at least one adjacent UE, if a response to the floor request is not received until the floor request is transmitted a predetermined number of times at a predetermined interval, determining that a transmission right for the direct communication is granted, and if it is determined that the transmission right is granted, transmitting a signal to the at least one other UE by the direct communication.
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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
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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7.发明授权公开(公告)号：US10681505B2
公开(公告)日：2020-06-09
申请号：US15752113
申请日：2016-08-12
Applicant: Samsung Electronics Co., Ltd.
Inventor： Yun-Sun Baek , Hyeon-Mok Ko , Sung-Jin Park
Abstract: A method and an apparatus for performing direct communication with at least one other user equipment are provided. The method and apparatus comprises upon generation of an event requiring the direct communication, transmitting a floor request, monitoring whether a response to the floor request is received from at least one adjacent UE, if a response to the floor request is not received until the floor request is transmitted a predetermined number of times at a predetermined interval, determining that a transmission right for the direct communication is granted, and if it is determined that the transmission right is granted, transmitting a signal to the at least one other UE by the direct communication.
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