LOGICAL CHANNEL MANAGEMENT IN A WIRELESS COMMUNICATION NETWORK

A base station may be configured to send a first downlink control information indicating that a wireless transmit/receive unit (WTRU) is to transmit uplink data on a first uplink channel. The base station may be configured to receive a plurality of a same value over a second uplink channel in response to a triggering condition. The second uplink channel may be a control channel. The base station may be configured to sending a second downlink control information in accordance with the plurality of the same value over the second uplink channel. The plurality of the same value may be in response to the first downlink control information providing an insufficient amount to transmit uplink data over the first uplink channel. The base station may be configured to send an indication of logical channels that are subject to triggering of an uplink scheduling request.