ALEXANDRIA, Va., Jan. 29 -- United States Patent no. 12,212,718, issued on Jan. 28, was assigned to Telefonaktiebolaget LM Ericsson (publ) (Stockholm).
"TDD time slot splitting" was invented by David Astely (Bromma, Sweden), Stefan Parkvall (Stockholm) and Per Johan Anders Nystrom (Stockholm).
According to the abstract* released by the U.S. Patent & Trademark Office: "The invention discloses a method for a cellular communications system, in which traffic is sent in frames, each frame comprising a first number of subframes, with a second number of said subframes being available for at least either uplink or downlink traffic. At least one of said second number of subframes is made to comprise at least three parts, as follows: One part which...