ALEXANDRIA, Va., June 17 -- United States Patent no. 12,316,405, issued on May 27, was assigned to Motorola Mobility LLC (Chicago).
"Power efficient transmit diversity" was invented by John R Mura (Clarendon Hills, Ill.), Armin W Klomsdorf (Chicago) and Colin Frank (Park Ridge, Ill.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A communication device, method, and computer program product provide power efficient transmit diversity using two transmit chains to meet a transmit power level for an uplink signal when one transmit chain is insufficient. In response to determining that the first transmit power level is equal to or less than the transmit power capability of at least one of a first transmit chain and...