1. A Node B comprising:a receiver configured to receive a channel acquisition request from a wireless transmit/receive unit (WTRU);
a transmitter configured to transmit a resource allocation to the WTRU, wherein the resource allocation includes a common Enhanced Dedicated Channel (E-DCH) resource;
the transmitter and the receiver configured to communicate with the WTRU using the common E-DCH resource; and
the transmitter configured to transmit a release command for releasing the common E-DCH resource on an E-DCH Absolute Grant Channel (E-AGCH).