Patent 9173109 was granted and assigned to BlackBerry on October, 2015 by the United States Patent and Trademark Office.
Disclosed herein is a method of radio link monitoring (RLM) in a UE comprising the steps of: selecting a control channel type to perform RLM on, wherein the control channel type includes one or more of: a physical downlink control channel (PDCCH); or an enhanced physical downlink control channel (EPDCCH); receiving a transmission on a carrier, the transmission comprising one or more reference signals; and determining the quality of the radio link using the selected control channel type and the one or more reference signals.