18453935. METHOD AND APPARATUS FOR CSI REPORTING BASED ON A WINDOW OF BASIS VECTORS simplified abstract (SAMSUNG ELECTRONICS CO., LTD.)

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METHOD AND APPARATUS FOR CSI REPORTING BASED ON A WINDOW OF BASIS VECTORS

Organization Name

SAMSUNG ELECTRONICS CO., LTD.

Inventor(s)

Md. Saifur Rahman of Plano TX (US)

Eko Onggosanusi of Coppell TX (US)

Gilwon Lee of McKinney TX (US)

METHOD AND APPARATUS FOR CSI REPORTING BASED ON A WINDOW OF BASIS VECTORS - A simplified explanation of the abstract

This abstract first appeared for US patent application 18453935 titled 'METHOD AND APPARATUS FOR CSI REPORTING BASED ON A WINDOW OF BASIS VECTORS

Simplified Explanation

The patent application describes a method and apparatus for reporting Channel State Information (CSI) based on a window of basis vectors. Here are the key points explained in bullet form:

  • The method involves receiving a configuration for a CSI report, including information about non-zero power CSI-reference signal (RS) resources and a parameter codebookType set to type-II-CJT-r18 or type-II-PortSelection-CJT-r18.
  • For each layer, an indicator is determined to indicate the index of the strongest coefficient among K coefficients associated with non-zero power CSI-RS resources.
  • The CSI report is transmitted with P bits for the indicator, where the value of P depends on the type of codebookType.
  • The value of P varies based on the number of non-zero coefficients and other parameters specified in the configuration.

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      1. Potential Applications
  • This technology can be applied in wireless communication systems to improve the efficiency of channel state information reporting.
  • It can enhance the performance of beamforming and MIMO systems by providing accurate and timely feedback on channel conditions.
      1. Problems Solved
  • Solves the challenge of efficiently reporting channel state information in wireless communication systems with multiple non-zero power CSI-RS resources.
  • Addresses the need for a standardized method of indicating the strongest coefficients for each layer in the CSI report.
      1. Benefits
  • Improved reliability and accuracy in channel state information reporting.
  • Enhanced performance of beamforming and MIMO systems leading to better overall communication quality.
      1. Potential Commercial Applications
        1. Optimizing Channel State Information Reporting for Wireless Communication Systems

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      1. Possible Prior Art

There may be existing methods or systems for reporting channel state information in wireless communication systems, but the specific approach outlined in this patent application, based on a window of basis vectors and indicator determination, may be novel.

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      1. Unanswered Questions
        1. How does this method compare to existing techniques for CSI reporting in terms of efficiency and accuracy?

The article does not provide a direct comparison with existing techniques, leaving room for further analysis on the advantages of this method.

        1. What impact could this technology have on the overall performance of 5G or future wireless communication systems?

The potential implications of implementing this method in advanced communication systems are not fully explored in the article, warranting further investigation into its effects on 5G or future wireless technologies.


Original Abstract Submitted

Method and apparatuses for channel state information (CSI) reporting based on a window of basis vectors are provided. A method includes receiving a configuration about a CSI report including information about Nnon-zero power (NZP) CSI-reference signal (RS) resources, where N≥1, and a parameter codebookType set to type-II-CJT-r18 or type-II-PortSelection-CJT-r18. The method further includes determining, for each layer l=1, . . . , v, an indicator for indicating an index of a strongest coefficient among Kcoefficients, where Kis a total number of non-zero coefficients that are associated with Z NZP CSI-RS resources and Z≤N, and a number of bits Pfor the indicator. The method further includes transmitting the CSI report including, for each layer, Pbits for the indicator. When codebookType=type-II-CJT-r18, a value of Pdepends on a value of Kor a value of ΣL. When codebookType=type-II-PortSelection-CJT-r18, the value of Pdepends on a value of 2MΣL.

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