MUMBAI, India, Sept. 12 -- Intellectual Property India has published a patent application (202527078363 A) filed by Huawei Technologies Co. Ltd., Guangdong, China, on Aug. 18, for 'data transmission method and communication apparatus.'

Inventor(s) include Xu, Jun; and Jin, Huangping.

The application for the patent was published on Sept. 12, under issue no. 37/2025.

According to the abstract released by the Intellectual Property India: "The present application relates to the field of communications, and provides a data transmission method and a communication apparatus. The method comprises: generating and sending first information, the first information being used for a terminal to send an uplink signal. The first information comprises second indication information, and the second indication information occupies the same number of bits as first indication information. The first indication information indicates a first number of spatial layers, a first precoding matrix corresponding to the first number of spatial layers, a first antenna port set, and an association relationship between the first antenna port set and a second antenna port set, the first number of spatial layers belonging to {1, 2, 3, 4}. The second indication information indicates a second number of spatial layers, a second precoding matrix corresponding to the second number of spatial layers, a third antenna port set, and an association relationship between the third antenna port set and a fourth antenna port set, the second number of spatial layers belonging to {5, 6, 7, 8}. According to the described method, uplink 8Tx can be enabled and uplink transmission up to eight layers by a terminal can be supported."

The patent application was internationally filed on Feb. 04, 2024, under International application No.PCT/CN2024/075818.

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