Patent ID: 9736881
Date: 2017-08-15
CPC Classifications: H04W

Claim:
1. A method by a user equipment node for controlling uplink transmission of data to a network node of a communications system, the method comprising: determining, while the user equipment node is operating in Forward Access Channel (CELL_FACH) state, whether an Enhanced Uplink Dedicated Channel (E-DCH) Radio Network Temporary Identifier (E-RNTI) is available to the user equipment node, and setting a variable READY_FOR_COMMON_EDCH in the user equipment node to a value indicating FALSE responsive to determining that the E-RNTI is not available to the user equipment node, determining that the user equipment node is not able to communicate on an E-DCH in CELL_FACH state in response to determining that the E-RNTI is not available to the user equipment node, and transmitting data in CELL_FACH state on a Random Access Channel (RACH) in response to determining that the E-RNTI is not available to the user equipment node.