17809269. CONTROL SIGNALING FOR SIC IN NR 2-CODEWORD OPERATING MODE simplified abstract (QUALCOMM Incorporated)

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CONTROL SIGNALING FOR SIC IN NR 2-CODEWORD OPERATING MODE

Organization Name

QUALCOMM Incorporated

Inventor(s)

Andreas Maximilian Schenk of Erlangen (DE)

Hari Sankar of San Diego CA (US)

Jae Won Yoo of San Diego CA (US)

Alexei Yurievitch Gorokhov of San Diego CA (US)

CONTROL SIGNALING FOR SIC IN NR 2-CODEWORD OPERATING MODE - A simplified explanation of the abstract

This abstract first appeared for US patent application 17809269 titled 'CONTROL SIGNALING FOR SIC IN NR 2-CODEWORD OPERATING MODE

Simplified Explanation

The patent application describes a method and apparatus for control signaling in a wireless communication system. The apparatus is capable of supporting a Successive Interference Cancellation (SIC) operation in a 2-codeword operating mode. Here are the key points:

  • The apparatus sends a SIC capability indication to a network entity, indicating that the user equipment (UE) supports SIC operation for 2-codeword allocation.
  • The indication also includes the order in which the first and second codewords should be processed.
  • The apparatus waits for an acknowledgement (ACK) from the network entity to enable the SIC operation.
  • Once the ACK is received, the apparatus can receive downlink communication based on the SIC operation.
  • The first codeword within the downlink communication is processed using a specific modulation and coding scheme (MCS).
  • Interference caused by the first codeword is canceled to obtain the second codeword within the downlink communication, which is transmitted using a different MCS.

Potential applications of this technology:

  • This technology can be applied in wireless communication systems, such as cellular networks, to improve the efficiency and capacity of data transmission.
  • It can be used in scenarios where multiple codewords are transmitted simultaneously, such as in multi-user MIMO (Multiple-Input Multiple-Output) systems.

Problems solved by this technology:

  • The SIC operation allows the UE to decode multiple codewords transmitted in the downlink communication, even if they overlap and cause interference.
  • By canceling interference from the first codeword, the UE can successfully obtain the second codeword, improving the overall reliability and quality of the received data.

Benefits of this technology:

  • The SIC operation in 2-codeword mode enables more efficient use of the available spectrum and increases the data throughput.
  • It allows for better utilization of resources in multi-user scenarios, leading to improved network capacity and user experience.
  • The ability to cancel interference and decode multiple codewords enhances the reliability and robustness of the wireless communication system.


Original Abstract Submitted

Method and apparatus for control signaling for SIC operation in 2-codeword operating mode. The apparatus transmits, to a network entity, a SIC capability indication comprising an indication that the UE supports a SIC operation for 2-CW allocation and an order of processing a first codeword and a second codeword. The apparatus monitors for an ACK to enable the SIC operation between the UE and the network entity. The apparatus receives downlink communication based on the SIC operation in response to receiving the ACK to enable the SIC operation. The apparatus may process the first codeword, within the downlink communication, transmitted based on a first MCS. The apparatus may cancel interference from the downlink communication based on the first codeword to obtain the second codeword, within the downlink communication, transmitted based on a second MCS.

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