17906509. CYCLIC PREFIX (CP) EXTENSION IN CHANNEL OCCUPANCY TIME (COT) SHARING FOR SIDELINK COMMUNICATION simplified abstract (QUALCOMM Incorporated)

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CYCLIC PREFIX (CP) EXTENSION IN CHANNEL OCCUPANCY TIME (COT) SHARING FOR SIDELINK COMMUNICATION

Organization Name

QUALCOMM Incorporated

Inventor(s)

Jing Sun of San Diego CA (US)

Xiaoxia Zhang of San Diego CA (US)

Changlong Xu of Beijing (CN)

Chih-Hao Liu of San Diego CA (US)

Ozcan Ozturk of San Diego CA (US)

Yisheng Xue of San Diego CA (US)

CYCLIC PREFIX (CP) EXTENSION IN CHANNEL OCCUPANCY TIME (COT) SHARING FOR SIDELINK COMMUNICATION - A simplified explanation of the abstract

This abstract first appeared for US patent application 17906509 titled 'CYCLIC PREFIX (CP) EXTENSION IN CHANNEL OCCUPANCY TIME (COT) SHARING FOR SIDELINK COMMUNICATION

Simplified Explanation

The patent application describes wireless communication systems and methods that utilize cyclic prefix (CP) extensions for channel occupancy time (COT) sharing among sidelink user equipment devices (UEs).

  • The system allows multiple sidelink UEs to share a COT for transmitting data.
  • A first UE detects a first sidelink transmission in a COT and determines a CP extension length for transmitting a second sidelink transmission after the first one.
  • The gap duration between the first and second sidelink transmissions is designed to satisfy a listen-before-talk (LBT) gap time threshold.
  • The first UE applies a CP extension of the determined length to the second sidelink transmission and transmits it to a second sidelink UE.

Potential applications of this technology:

  • Wireless communication systems that support multiple sidelink UEs sharing a COT.
  • Improved efficiency and reliability of sidelink transmissions in wireless networks.
  • Enhanced performance of devices using sidelink communication.

Problems solved by this technology:

  • Efficient utilization of channel occupancy time by allowing multiple sidelink UEs to share it.
  • Ensuring a sufficient gap duration between sidelink transmissions to avoid interference.
  • Optimizing the use of cyclic prefix extensions for improved transmission quality.

Benefits of this technology:

  • Increased capacity and throughput in wireless networks by enabling COT sharing.
  • Enhanced reliability and reduced interference in sidelink communications.
  • Improved overall performance and efficiency of wireless devices using sidelink communication.


Original Abstract Submitted

Wireless communications systems and methods related to use of cyclic prefix (CP) extensions for channel occupancy time (COT) sharing among sidelink user equipment devices (UEs) are provided. A first UE detects a first sidelink transmission in a COT, the COT for sharing with multiple sidelink UEs including the first sidelink UE. The first UE may determine a CP extension length for transmitting a second sidelink transmission after the first sidelink transmission, where a gap duration between the first sidelink transmission and the second sidelink transmission satisfies a listen-before-talk (LBT) gap time threshold. The first UE may apply a CP extension having the CP extension length to the second sidelink transmission and transmit, to a second sidelink UE, the second sidelink transmission with the CP extension.

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