A Performance of Selective-Repeat ARQ with Cyclical Multicopy Retransmission (Special Section on Information Theory and Its Applications)

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概要

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• For mobile/personal satellite systems, an ARQ protocol with low transmitter/receiver complexity as well as high throughput performance in a long Round-Trip-Delay (RTD)and even in a bad channel condition is required. In this paper,a new Selective-Repeat (SR) ARQ with multicopy retransmission is proposed and a performance on an AWGN channel is analyzed. The proposed scheme can be viewed as a modified version for SR+Stutter (ST) Scheme 2 [6]. The basic idea of the strategy is to repeat only erroneous blocks stored in the vN block transmitter buffer multiple times, when v consecutive retransmissions in SR mode are received in error, where N denotes RTD in blocks. Numerical analysis and simulation results in the case of N block transmitter/receiver buffer show that the proposed scheme presents better performance than SR + ST scheme 2 of 2N block buffer, especially that the robustness in the high BER region is remarkable.

• 社団法人電子情報通信学会の論文
• 1996-09-25

著者

• Tanaka Hirokazu

  Information And Communication Systems Laboratory Toshiba Corporation

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• A Performance of Selective-Repeat ARQ with Cyclical Multicopy Retransmission (Special Section on Information Theory and Its Applications)

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