ALEXANDRIA, Va., Feb. 26 -- United States Patent no. 12,237,894, issued on Feb. 25, was assigned to TELEFONAKTIEBOLAGET LM ERICSSON (PUBL) (Stockholm).
"Indoor ceiling radio unit for distributed antenna systems" was invented by Hadi Bahramiabarghouei (Kanata, Canada), Dongxun Jia (Ottawa), Xiaochuan Li (Ottawa) and Izabela Kurek (Kanata, Canada).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method, system and apparatus for an optimized radiation pattern for an indoor ceiling and/or wall mounted radio unit for distributed antenna systems/radio dot systems (DAS/RDS) are disclosed. According to one aspect, a method includes obtaining beam forming weights for generating a shaped radiation pattern that provides...