ALEXANDRIA, Va., Nov. 3 -- United States Patent no. 12,787,004, issued on Nov. 3, was assigned to BEIJING XIAOMI MOBILE SOFTWARE Co. LTD. (Beijing).

"Communication method and communication device" was invented by Xiandong Dong (Beijing).

According to the abstract* released by the U.S. Patent & Trademark Office: "A communication method includes: determining a first message frame, the first message frame comprising information identifying the maximum single-type resource unit and/or the maximum composite resource unit supported when dual carrier modulation is used; and sending the first message frame."

The patent was filed on Jan. 28, 2021, under Application No. 18/274,592.

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