| 摘要 |
A communication device includes: a packet type identifying circuit for generating a traffic type T(k) indicating whether a user traffic sequence received is UDP traffic or TCP traffic; a loss rate calculation circuit for calculating the loss rate L(k) in a wireless link section of the user traffic sequence at a constant cycle; a discard judgment circuit for determining whether to discard the user traffic sequence or not based on L(k) and T(k); and a discard circuit having a function of discarding the user traffic sequence according to the signal D(k) from the discard judgment circuit, and counting the number of packets arrived during reception of the signal D(k) from the discard judgment circuit for each user traffic sequence. The counting result is readable by EMS terminals or NMS terminals.
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