无损协议对待丢失的数据包要求重传，这大大增加了传输时间。
Lossless protocols require retransmission of lost packets, which substantially increases transmission time.
仿真结果表明，与传统方案相比，自适应选择重传方案在高误帧率环境下以较低的误包率、略大的传输时延获得了较高的TCP吞吐量。
Numerical results demonstrate ASR-ARQ can achieve much lower packet error rate with slightly longer delay and higher TCP throughput than the conventional scheme.
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