18049122. HYBRID AUTOMATIC REPEAT REQUEST (HARQ) FEEDBACK OPERATION WITH SIDELINK UNLICENSED simplified abstract (QUALCOMM Incorporated)

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HYBRID AUTOMATIC REPEAT REQUEST (HARQ) FEEDBACK OPERATION WITH SIDELINK UNLICENSED

Organization Name

QUALCOMM Incorporated

Inventor(s)

Qing Li of Princeton Junction NJ (US)

Junyi Li of Fairless Hills PA (US)

Hong Cheng of Basking Ridge NJ (US)

Ozcan Ozturk of San Diego CA (US)

Shuanshuan Wu of San Diego CA (US)

HYBRID AUTOMATIC REPEAT REQUEST (HARQ) FEEDBACK OPERATION WITH SIDELINK UNLICENSED - A simplified explanation of the abstract

This abstract first appeared for US patent application 18049122 titled 'HYBRID AUTOMATIC REPEAT REQUEST (HARQ) FEEDBACK OPERATION WITH SIDELINK UNLICENSED

Simplified Explanation

The patent application describes a wireless communication system that enables feedback reporting over an unlicensed spectrum. Here are the key points:

  • The system supports mechanisms for sidelink feedback reporting in wireless communication.
  • A transmitting UE (User Equipment) monitors for feedback responses from receiving UEs during a sidelink feedback window.
  • A receiving UE attempts to transmit the feedback response by performing a listen-before-talk (LBT) procedure during each feedback occasion of the sidelink feedback window.
  • The sidelink feedback window can be defined as a series of feedback occasions or as a duration covered by an LBT timer.
  • The receiving UE stops attempting to transmit the feedback response once it successfully performs the LBT procedure.
  • The transmitting UE stops monitoring for feedback responses once it successfully receives a feedback response.

Potential applications of this technology:

  • Wireless communication systems that operate in unlicensed spectrum bands.
  • Internet of Things (IoT) devices that require efficient feedback reporting.
  • Sidelink communication between vehicles in a connected car network.
  • Industrial automation systems that rely on wireless communication.

Problems solved by this technology:

  • Efficient feedback reporting over unlicensed spectrum, improving overall system performance.
  • Mitigating interference and collisions between transmitting and receiving UEs.
  • Ensuring reliable communication by stopping transmission attempts once successful feedback is received.

Benefits of this technology:

  • Improved reliability and efficiency of wireless communication systems.
  • Enhanced performance in unlicensed spectrum bands.
  • Reduced interference and collisions, leading to better overall system performance.
  • Enables effective communication in IoT and industrial automation applications.


Original Abstract Submitted

Systems, methods, and devices for wireless communication that support mechanisms for sidelink feedback reporting over an unlicensed spectrum in a wireless communication system. In aspects, a transmitting UE monitors for a feedback response for a sidelink transmission from one or more receiving UEs at each feedback occasion of a sidelink feedback window. A receiving UE attempts to transmit the feedback response by performing a listen-before-talk (LBT) procedure at each feedback occasion of the sidelink feedback window. In aspects, the sidelink feedback window may be defined as a plurality of sidelink feedback occasions, or may be defined as a duration of an LBT timer covering a plurality of sidelink feedback occasions. The receiving UE stops attempting to transmit the feedback response once the receiving UE successfully performs an LBT procedure at a feedback occasion, and the transmitting UE stops monitoring for a feedback response a feedback response is successfully received.

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