17846981. CLOSED-LOOP INTELLIGENT CONTROLLED TRANSMISSION (CLICT) AND ENHANCEMENT WITH DISTRIBUTED SOURCE CODING simplified abstract (QUALCOMM Incorporated)

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CLOSED-LOOP INTELLIGENT CONTROLLED TRANSMISSION (CLICT) AND ENHANCEMENT WITH DISTRIBUTED SOURCE CODING

Organization Name

QUALCOMM Incorporated

Inventor(s)

Jing Jiang of San Diego CA (US)

Seyedkianoush Hosseini of San Diego CA (US)

Vinayak Suresh of San Diego CA (US)

John Edward Smee of San Diego CA (US)

Yu Zhang of San Diego CA (US)

Tingfang Ji of San Diego CA (US)

CLOSED-LOOP INTELLIGENT CONTROLLED TRANSMISSION (CLICT) AND ENHANCEMENT WITH DISTRIBUTED SOURCE CODING - A simplified explanation of the abstract

This abstract first appeared for US patent application 17846981 titled 'CLOSED-LOOP INTELLIGENT CONTROLLED TRANSMISSION (CLICT) AND ENHANCEMENT WITH DISTRIBUTED SOURCE CODING

Simplified Explanation

Methods, systems, and devices for wireless communications are described in this patent application. The innovation focuses on improving beamforming tracking accuracy through closed-loop feedback using compressed channel state information (CSI) feedback.

  • User equipment (UE) and a network entity support communication of compressed CSI feedback.
  • Closed-loop feedback is used to enhance beamforming tracking accuracy.
  • The UE receives a beamformed CSI reference signal (CSI-RS) based on a channel estimate of a sounding reference signal (SRS) or previous CSI feedback, or both.
  • The UE transmits a feedback message containing compressed CSI, generated by encoding a measurement of the CSI-RS.
  • The compressed CSI is generated based on a predicted channel estimate at the network entity, determined using the channel estimate of the SRS or previous CSI feedback.

Potential Applications

  • Wireless communication systems
  • 5G and beyond networks
  • Beamforming technology

Problems Solved

  • Inaccurate beamforming tracking in wireless communications
  • Inefficient utilization of channel state information
  • Limited feedback capacity in wireless networks

Benefits

  • Improved beamforming tracking accuracy
  • Enhanced wireless communication performance
  • Efficient utilization of channel state information
  • Increased feedback capacity in wireless networks


Original Abstract Submitted

Methods, systems, and devices for wireless communications are described. A user equipment (UE) and a network entity may support communication of a compressed channel state information (CSI) feedback. The UE and the network entity may use closed-loop feedback to improve beamforming tracking accuracy. For example, the UE may receive a CSI reference signal (CSI-RS) that is beamformed based on a channel estimate of a sounding reference signal (SRS) or a previous CSI feedback, or both. The UE may transmit a feedback message including compressed CSI that is generated through encoding a measurement of the CSI-RS. The compressed CSI may be generated based on a predicted channel estimate at the network entity, determined based on the channel estimate of the SRS or the previous CSI feedback.

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