信道错误对基于争用的保留TDMA协议的影响

Lung-Sing Liang, Jin-Fu Chang
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引用次数: 0

摘要

基于争用的时分多址(TDMA)协议在小孔径终端、中、大流量无差错信道等应用中具有良好的性能。为了使协议在可能包含错误的通道中运行,提出了一种修改后的协议。得到的结果包括平均帧长、平均浪费槽数、平均剩余包数和平均延迟。给出的数值例子包括信道误差的影响和适当的误差控制码所恢复的余量。这些结果不仅得到了计算机模拟的验证,而且得到了数值计算中直观合理趋势的支持。
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The effect of channel errors on a contention-based reservation TDMA protocol
Contention-based time-division multiple access (TDMA) protocols have good performance in applications such as a very small aperture terminals, with medium to heavy traffic when the channel is error free. For the protocol to operate in a channel that may contain errors, a modified protocol is proposed. Results derived include the average frame length, the average number of waste slots, the average number of residual packets, and the average delay. Numerical examples shown include the effect of channel errors and the margin regained by proper error-control codes. The validity of these results has not only been verified by computer simulations, but also supported by intuitively reasonable trends demonstrated in numerical calculations.<>
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