17644243. BINNED FEEDBACK FROM RECEIVING DEVICE TO NETWORK ENCODER simplified abstract (QUALCOMM Incorporated)

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BINNED FEEDBACK FROM RECEIVING DEVICE TO NETWORK ENCODER

Organization Name

QUALCOMM Incorporated

Inventor(s)

Guangyi Liu of San Diego CA (US)

Gabi Sarkis of San Diego CA (US)

Tien Viet Nguyen of Bridgewater NJ (US)

Gene Wesley Marsh of San Diego CA (US)

BINNED FEEDBACK FROM RECEIVING DEVICE TO NETWORK ENCODER - A simplified explanation of the abstract

This abstract first appeared for US patent application 17644243 titled 'BINNED FEEDBACK FROM RECEIVING DEVICE TO NETWORK ENCODER

Simplified Explanation

The patent application describes a system for retransmitting data using network coding with binned feedback. Here are the key points:

  • The system involves a transmitting device that sends a transport block and a request for a network coding (NC) encoding device to retransmit the block to multiple user equipment (UEs).
  • The UEs decode the block and provide an acknowledgment (ACK) or negative acknowledgment (NACK) on a physical sidelink feedback channel (PSFCH) resource associated with a specific bin.
  • The NC encoding device decodes the PSFCH resource for each bin to determine the status (ACK or NACK) for each bin and decides whether to encode the block in a network coding combination packet.
  • The UEs receive the network coding combination packet, which includes an encoding of a subset of transport blocks.
  • The receiving devices send an ACK or NACK on a PSFCH resource for a bin for each transport block.

Potential applications of this technology:

  • Wireless communication systems that require reliable data transmission to multiple user equipment.
  • Internet of Things (IoT) networks where data needs to be efficiently transmitted to multiple devices.
  • Vehicle-to-vehicle communication systems that rely on reliable data exchange between vehicles.

Problems solved by this technology:

  • Ensures reliable transmission of data to multiple user equipment by utilizing network coding and feedback mechanisms.
  • Reduces the need for individual retransmissions to each user equipment, improving efficiency and reducing network congestion.

Benefits of this technology:

  • Improved reliability of data transmission to multiple user equipment.
  • Efficient use of network resources by utilizing network coding and binned feedback.
  • Reduced network congestion and improved overall system performance.


Original Abstract Submitted

This disclosure provides systems, methods and apparatus, including computer storage media, for retransmission of sidelink transmissions using network coding with binned feedback. A transmitting device transmits a transport block and a request for a network coding (NC) encoding device to retransmit the transport block to a plurality of user equipment (UEs). The UEs decode the transport block and report an acknowledgment (ACK) or negative acknowledgment (NACK) on a physical sidelink feedback channel (PSFCH) resource associated with a bin for the UEs. The NC encoding device decodes the PSFCH resource for each bin to determine an ACK or NACK status for each bin, and determines whether to encode the transport block in a NC combination packet. The UEs receive the NC combination packet including an encoding of a subset of transport blocks. The receiving devices transmit an ACK or NACK on a PSFCH resource for a bin for each transport block.

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