Patent 9363832 was granted and assigned to Ofinno Technologies on June, 2016 by the United States Patent and Trademark Office.
A wireless device receives a control command initiating a random access process for a secondary cell. The wireless device transmits a random access preamble on random access resources of the secondary cell. The wireless device aborts the random access process if the secondary cell is deactivated before the wireless device receives a random access response.