Infrared and Laser Engineering, Volume. 46, Issue 6, 622002(2017)

Self-noise abatement Gardner algorithm and bit synchronous loop design

Wang Lei1, Sui Qiang1, Du Changhao2, and Liu Hao2
Author Affiliations
  • 1[in Chinese]
  • 2[in Chinese]
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    Bit synchronization is one of the key technologies of space laser communication and measurement and control unified system. Its accuracy directly affects the performance of the whole system. Bit synchronous technique based on Gardner algorithm is easy to be interfered by self-noise of system. A self-noise abatement Gardner algorithm was proposed and a synchronous loop was presented based on this algorithm. Theoretical analysis and simulation results show that the self-noise abatement Gardner algorithm and the synchronous loop can effectively reduce the timing jitter caused by systems self-noise and have a faster bit synchronization establishing time when Eb/N0 is greater than or equal to 9 dB.

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    Wang Lei, Sui Qiang, Du Changhao, Liu Hao. Self-noise abatement Gardner algorithm and bit synchronous loop design[J]. Infrared and Laser Engineering, 2017, 46(6): 622002

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    Paper Information

    Category: 光通信与光传感

    Received: Oct. 12, 2016

    Accepted: Nov. 17, 2016

    Published Online: Jul. 10, 2017

    The Author Email:

    DOI:10.3788/irla201746.0622002

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