MUMBAI, India, June 24 -- Intellectual Property India has published a patent application (202441097584 A) filed by Tejas Networks Limited on December 10, 2024, for System And Method For Least Squares Channel Estimation Using Sliding Occ Based Channel Estimates.
Inventors include Thakur, Aditya; and Bhat, Shrinivas.
The application for the patent was published on June 12, 2026, under issue no. 24/2026.
Abstract: The present disclosure provides a system (108) and a method (600) for least squares channel estimation using sliding OCC based channel estimates. The system (108) receives one or more Demodulation Reference Signal (DMRS) subcarriers from a terminal through a Code-Division Multiplexing (CDM) group, where one or more DMRS antenna ports of the CDM group are multiplexed using one or more Orthogonal Cover Codes (OCC). Pairing of the one or more DMRS subcarriers on the one or more DMRS antenna ports generates a plurality of OCC groups. The system (108) subsequently de-spreads the plurality of OCC groups to generate a primary set of least square (LS) estimates. The system (108) redefines the plurality of OCC groups and de-spread the redefined OCC groups to generate a secondary set of LS estimates. The system (108) utilizes the primary set of LS estimates and the secondary set of LS estimates to provide channel estimation.
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