Patent ID: 7239870
Filing Date: 2007-07-03
Classification: H04L,H04W

Abstract:
1. In a multi-cell wireless communication system including at least one radio network controller (RNC) which includes a first medium access control (MAC) entity that handles enhanced uplink dedicated channel (EU-DCH) functionalities, a method for supporting an enhanced uplink soft handover (EU-SHO) operation associated with a wireless transmit/receive unit (WTRU) and at least two EU-SHO Node-Bs which communicate with the RNC, the method comprising: (a) detecting that an EU-SHO operation is about to begin; and (b) in response to step (a), transitioning the multi-cell wireless communication system from a first system configuration that includes 1) an RNC that does not have an uplink scheduler, and 2) at least one Node-B that has an uplink scheduler, to a second system configuration that includes an RNC having a first MAC entity which includes: