| 摘要 |
The invention provides, according to one aspect, a method of scheduling information in a communication system at serving cell change. When a serving cell changes for a user equipment (UE), it is determined whether the new serving cell belonged to the previous serving enhanced data channel (EDCH) radio link set (RLS). The user equipment then sends scheduling information (SI) in the first MAC-e protocol data unit (PDU) sent in uplink after completion of the serving cell change only when it is determined that the new serving cell did not belong to the previous serving EDCH RLS. In other words, the UE sends the SI at serving cell change only when the base station (node B) has also changed.
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