While ARQ performs very high reliability and adapts the diversity of transmission channel.
ARQ可靠性高,并且能适应信道的变化.
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TDM is able to synthesize two or more signals to make sufficient use of transmission channel.
时分复用实现对两路或者两路以上信号的合成,旨在提高信道的利用率.
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A signaling data link is a full - duplex - directional, digital transmission channel used for signaling.
数字信道的传输媒体可以是光缆、数字微波 、 卫星信道等各种手段.
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A signaling data link is a full duplex bi - directional , digital transmission channel used for signaling.
信令数据链路是信令专用的、全双工 双向 数字传输信道.
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