Sequence number checking in communicating messages in a universal mobile telecommunications system (UMTS) network

摘要

In a method of communicating messages between a transmitter and receiver, wherein each message is sent in sequence and includes a sequence number. An expected sequence number, which is stored in the receiver, is incremented upon receipt of a message. The received sequence number in the message is decoded and compared to the incremented expected sequence number. If the numbers match the message is further decoded.