18152405. METHOD AND APPARATUS FOR TRANSMITTING AND RECEIVING SIGNAL FOR RACH PROCEDURE BY UE IN WIRELESS COMMUNICATION SYSTEM simplified abstract (LG ELECTRONICS INC.)

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METHOD AND APPARATUS FOR TRANSMITTING AND RECEIVING SIGNAL FOR RACH PROCEDURE BY UE IN WIRELESS COMMUNICATION SYSTEM

Organization Name

LG ELECTRONICS INC.

Inventor(s)

Jeongsu Lee of Seoul (KR)

Hyunsoo Ko of Seoul (KR)

METHOD AND APPARATUS FOR TRANSMITTING AND RECEIVING SIGNAL FOR RACH PROCEDURE BY UE IN WIRELESS COMMUNICATION SYSTEM - A simplified explanation of the abstract

This abstract first appeared for US patent application 18152405 titled 'METHOD AND APPARATUS FOR TRANSMITTING AND RECEIVING SIGNAL FOR RACH PROCEDURE BY UE IN WIRELESS COMMUNICATION SYSTEM

Simplified Explanation

The patent application describes a method for transmitting and receiving signals in a wireless communication system, specifically for a random access channel (RACH) procedure performed by a user equipment (UE).

  • The method involves transmitting a message A that includes a physical random access channel (PRACH) and a physical uplink shared channel (PUSCH).
  • The UE then receives a message B, which is related to contention resolution and is a response to message A.
  • The transmission power for retransmitting message A is configured based on a counter value that is incremented or maintained.
  • The counter value is maintained when the transmission spatial filter related to the PRACH is changed for the retransmission of message A.
  • The counter value is used to configure the transmission power based on the fact that both the PRACH and the PUSCH are transmitted via message A.

Potential applications of this technology:

  • Wireless communication systems that require random access channel procedures.
  • Mobile networks where user equipment needs to transmit and receive signals efficiently.

Problems solved by this technology:

  • Efficient transmission and reception of signals during random access channel procedures.
  • Contention resolution in wireless communication systems.

Benefits of this technology:

  • Improved reliability and efficiency in transmitting and receiving signals during random access channel procedures.
  • Enhanced contention resolution, leading to better overall performance in wireless communication systems.


Original Abstract Submitted

A method of transmitting and receiving a signal for a random access channel (RACH) procedure by a user equipment (UE) in a wireless communication system is disclosed. The method includes transmitting a message A including a physical random access channel (PRACH) and a physical uplink shared channel (PUSCH), and receiving a message B related to contention resolution in response to the message A. Transmission power for a retransmission of the message A is configured based on that a counter value related to the transmission power is incremented or maintained, the counter value is maintained based on that a transmission spatial filter related to the PRACH is changed for the retransmission of the message A, and the counter value is used for configuring the transmission power based on that the PRACH and the PUSCH are transmitted via the message A.

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