18461048. METHOD AND APPARATUS FOR PERFORMING DIRECT COMMUNICATION WITH AT LEAST ONE OTHER USER EQUIPMENT simplified abstract (SAMSUNG ELECTRONICS CO., LTD.)

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METHOD AND APPARATUS FOR PERFORMING DIRECT COMMUNICATION WITH AT LEAST ONE OTHER USER EQUIPMENT

Organization Name

SAMSUNG ELECTRONICS CO., LTD.

Inventor(s)

Yun-Sun Baek of Gyeonggi-do (KR)

Hyeon-Mok Ko of Gyeonggi-do (KR)

Sung-Jin Park of Gyeonggi-do (KR)

METHOD AND APPARATUS FOR PERFORMING DIRECT COMMUNICATION WITH AT LEAST ONE OTHER USER EQUIPMENT - A simplified explanation of the abstract

This abstract first appeared for US patent application 18461048 titled 'METHOD AND APPARATUS FOR PERFORMING DIRECT COMMUNICATION WITH AT LEAST ONE OTHER USER EQUIPMENT

Simplified Explanation

The abstract describes a method and apparatus for direct communication with a user equipment. The method involves transmitting a floor request message to a client device for an off-network group call. A timer is started and if it expires before receiving a floor granted message, the timer is restarted. The timer is stopped if the floor granted message is received before it expires. The floor request message is retransmitted each time the timer expires before receiving the floor granted message, up to a predetermined number of transmissions. After reaching the predetermined number of transmissions and the timer expires before receiving the floor granted message, a floor taken message is transmitted to grant permission to the MCPTT client device to send data. First media data is then transmitted to the client device.

  • The method allows for direct communication with a user equipment in an off-network group call scenario.
  • A floor request message is transmitted to request permission to send data.
  • A timer is used to manage the retransmission of the floor request message.
  • The timer is restarted if it expires before receiving permission.
  • The timer is stopped if permission is received before it expires.
  • The floor request message is retransmitted until a predetermined number of transmissions is reached.
  • After reaching the predetermined number of transmissions and the timer expires, a floor taken message is sent to grant permission to send data.
  • First media data is then transmitted to the client device.

Potential Applications

  • This technology can be applied in mission-critical communication systems, such as public safety networks, where direct communication with user equipment is crucial.
  • It can be used in scenarios where off-network group calls are required, allowing for efficient and reliable communication.

Problems Solved

  • The method solves the problem of establishing direct communication with a user equipment in an off-network group call scenario.
  • It addresses the challenge of managing retransmissions and timers to ensure reliable communication.

Benefits

  • The method provides a reliable and efficient way to establish direct communication with user equipment.
  • It ensures that permission to send data is granted even in scenarios where the initial request is not successful.
  • The use of timers and retransmissions improves the reliability of the communication process.


Original Abstract Submitted

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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