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计算机科学 2008
Performance Evaluation of Adaptive Modulation Coding Combined with ARQ over Wireless Links
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Abstract:
Adaptive modulation and coding (AMC) makes full use of wireless channel fading,adjusts transmitting parameters flexibly,and improves spectral efficiency.Automatic repeat request (ARQ) enhances the reliability of transmission by the error-correcting capability of retransmission.The transmitting process of head of line (HoL) packet serviced by combing AMC and truncated ARQ was analyzed,and the analytical expressions for transmission time and corresponding probability distribution were derived.Finally,the impa...