ALEXANDRIA, Va., Aug. 12 -- United States Patent no. RE50,988, issued on Aug. 11, was assigned to Telefonaktiebolaget LM Ericsson (PUBL) (Stockholm).

"Precoder structure for MIMO precoding" was invented by David Hammarwall (Vallentuna, Sweden) and George Jongren (Sundbyberg, Sweden).

According to the abstract* released by the U.S. Patent & Trademark Office: "The teachings herein present a method and apparatus that implement and use a factorized precoder structure that is advantageous in terms of performance and efficiency. In particular, the teachings presented herein disclose an underlying precoder structure that allows for certain codebook reuse across different transmission scenarios, including for transmission from a single Uniform Li...