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Hop timing recovery algorithms

机译:跳定时恢复算法

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摘要

Communication systems must maintain tight timing synchronization between the transmitter and receiver. Systems typically pull-in timing from a large timing offset and then track timing once it has been sufficiently pulled in. When timing errors are large, additional reference symbols are needed to pull-in time. In some frequency hopping systems, the time pull-in step must be repeated for every hop and could occur many times a second. It then becomes important to develop rapid time pull-in algorithms that can operate on a limited number of data and reference symbols. This paper presents two algorithms for rapid time pull-in. The performance as a function of the number of data and reference symbols is shown.
机译:通信系统必须在发送器和接收器之间保持严格的定时同步。系统通常从较大的时序偏移中引入时序,然后在时序已充分引入后跟踪时序。当时序误差较大时,需要附加参考符号来引入时间。在某些跳频系统中,必须为每个跳频重复时间引入步骤,并且可能会在一秒钟内发生多次。因此,开发可以在有限数量的数据和参考符号上运行的快速时间引入算法就变得很重要。本文提出了两种快速时间引入算法。显示了作为数据和参考符号数量的函数的性能。

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