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Acta Armamentarii ›› 2019, Vol. 40 ›› Issue (1): 134-142.doi: 10.3969/j.issn.1000-1093.2019.01.016

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A New Self-encoded Code-hopping Spread Spectrum System

FEI Shunchao1,2, FENG Yongxin1, LIU Fang3, ZHOU Fan3   

  1. (1.School of Graduate, Shenyang Ligong University, Shenyang 110159, Liaoning, China;2.Military Division, The 47th Research Institute of China Electronics Technology Group Corporation, Shenyang 110032, Liaoning, China;3.School of Information Science and Engineering, Shenyang Ligong University, Shenyang 110159, Liaoning, China)
  • Received:2018-04-09 Revised:2018-04-09 Online:2019-03-12
  • Contact: FEI Shunchao E-mail:13940041861@139.com

Abstract: In order to improve the anti-interception, anti-coherent interference performance and feasibility of self-encoded code-hopping system, a new kind of communication technology combining G function and self-encoded code-hopping technology is proposed, which is called differential self-encoded code-hopping system. This technology is used to solve the synchronization problem of self-encoded code-hopping system. The novel system adopts G function to generate control words of pseudo-random sequence which own good uniformity and randomicity. Simulated results show that differential self-encoded code-hopping system has better performance on anti-coherent interception, anti-interference and bit error rates. In addition, the engineering feasibility of code-hopping system is improved.

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