KT has been granted a patent for methods and apparatuses to transmit/receive a reference signal for acquiring sidelink channel state information. The method involves transmitting enabling information for CSI reporting, determining transmission of a CSI reference signal, and acquiring CSI based on reporting from the receiver UE. GlobalData’s report on KT gives a 360-degree view of the company including its patenting strategy. Buy the report here.
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According to GlobalData’s company profile on KT, Adaptive video coding was a key innovation area identified from patents. KT's grant share as of May 2024 was 59%. Grant share is based on the ratio of number of grants to total number of patents.
Sidelink channel state information acquisition method for transmitting equipment
The granted patent (Publication Number: US12015466B2) discloses a method for transmitting equipment to acquire sidelink channel state information (CSI). The method involves transmitting information to the receiving equipment to report the CSI through a specific format, sending a CSI reference signal along with the reporting information, and acquiring the CSI based on the reporting from the receiving equipment. The CSI reference signal is transmitted within a resource assigned for a physical sidelink shared channel (PSSCH) transmission and is only sent if enabling information for the reporting is received. The method utilizes higher layer parameters for acquiring the CSI and is based on configuration information provided by higher layer signaling, specifying parameters like OFDM symbol and antenna ports for the CSI reference signal transmission.
Furthermore, the patent also covers a method for receiving equipment to report the sidelink CSI. The receiving equipment receives information from the transmitting equipment to report the CSI through a specific format, along with the CSI reference signal. The reporting is performed based on the received CSI reference signal within the assigned resource for PSSCH transmission. Similar to the transmitting equipment, the receiving equipment relies on higher layer parameters and configuration information for receiving the CSI reference signal. The patent emphasizes the dynamic indication of enabling information for the CSI reporting through the SCI format, ensuring efficient transmission and reception of the CSI reference signal for accurate channel state information acquisition.
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GlobalData Patent Analytics tracks bibliographic data, legal events data, point in time patent ownerships, and backward and forward citations from global patenting offices. Textual analysis and official patent classifications are used to group patents into key thematic areas and link them to specific companies across the world’s largest industries.
