GENEVA, July 9 -- CHINA TELECOM ARTIFICIAL INTELLIGENCE TECHNOLOGY (BEIJING) CO. LTD filed a patent application (CN2025/120681) for “MULTI-SOURCE DIRECTION-OF-ARRIVAL ESTIMATION METHOD AND APPARATUS BASED ON FREQUENCY-FOCUSING SPATIAL SPECTRUM”. With publication no. WO/2026/144259, here are the other details related to the patent application:
Kind: Initial Publication with ISR [A1]
IPC: G01S 3/802
Notably, the patent application was submitted under the International Patent Classification (IPC) system, which is managed by the World Intellectual Property Organization (WIPO).
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