Patent ID: 8897248
Filing Date: 2014-11-25
Classification: H04L,H04W

Abstract:
1. A method comprising: a) receiving, by a wireless device, at least one control message from a base station, said at least one control message causing in said wireless device: b) receiving, by said wireless device, a control command for transmission of a random access preamble on a first cell in said plurality of cells, a fourth packet being scheduled for parallel uplink transmission with said random access preamble transmission, said fourth packet being any one of the following packets: c) transmitting, by said wireless device, said random access preamble on one of said at least one random access channel; and d) transmitting, by said wireless device, said fourth packet in parallel with said random access preamble, unless said random access preamble and said fourth packet are scheduled for transmission in the same cell group.