Besides, data retransmission may put the incoming packets to be dropped due to buffer overflow when the common used technique ARQ is turned on.

• 另外，当无线网路启动自动重送机制时，可能因为重传封包导致基地台缓冲区溢满进而引发壅塞事件，无线传输错误讯息亦表示某种程度的壅塞警讯。