digital trunked mode
数字集群方式(digital trunked mode) 采用低码率话音编码方法构成数字的话音信号,话音信号对载频的调制采用窄带数字调制,从而实现信道的时分复用(TDMA),因而一...
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针对数字集群移动通信系统,提出一种新的随机预约控制方式,减小了预约分组信号冲突发生,提高了系统的吞吐量。
A kind of modified packet reservation random access protocol for digital trunking systems is studied, which could reduce collisions among packet reservations and increase the system's throughout.
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