Disclosed is provided a method for switching an operation mode from a non-USTS to a USTS mode in a Node B capable of communicating with a UE in both the non-USTS mode and the USTS mode. The Node B calculates a difference value between a start point of a downlink dedicated channel frame in a downlink...http://www.google.com/patents/US20020160744?utm_source=gb-gplus-sharePatent US20020160744 - Method for controlling transmission point of a dedicated channel in a CDMA communication system supporting an uplink synchronous transmission scheme
