Intellectual Property India Publishes Patent Application for 'Two-Level Reconfigurable Intelligent Surface Channel State Information' Filed by Interdigital Patent Holdings, Inc.

MUMBAI, India, June 20 -- Intellectual Property India has published a patent application (202517050771 A) filed by Interdigital Patent Holdings, Inc., Wilmington, U.S.A., on May 27, for 'two-level reconfigurable intelligent surface channel state information.'

Inventor(s) include Svedman, Patrick; Jagyasi, Deepa, Gurmukhdas; Pan, Kyle, Jung-Lin; Tsai, Allan, Yingming; Adjakple, Pascal; Pragada, Ravikumar; Zhang, Guodong; and Shojaeifard, Arman.

The application for the patent was published on June 20, under issue no. 25/2025.

According to the abstract released by the Intellectual Property India: "Systems, methods, and instrumentalities may be configured for two-level reconfigurable intelligent surface (RIS) channel state information (CSI). A wireless transmit/receive unit may receive a first set of symbols. The WTRU may determine a first RIS CSI based on the first set of symbols, a first RIS CSI estimation matrix, and a first RIS CSI quantization format. The first RIS CSI quantization format may use a uniform distribution of phase quantization points. The WTRU may transmit the first RIS CSI. The WTRU may receive a second set of symbols. The WTRU may determine a second RIS CSI based on the second set of symbols, a second RIS CSI estimation matrix, and a second RIS CSI quantization format. The second RIS CSI quantization format may use a non-uniform distribution of phase quantization points. The WTRU may transmit the second RIS CSI."

The patent application was internationally filed on Dec. 05, 2023, under International application No.PCT/US2023/082476.

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