Computer Science

Computer Science ›› 2020, Vol. 47 ›› Issue (11A): 345-348.doi: 10.11896/jsjkx.200500079

• Computer Network • Previous Articles     Next Articles

Architecture Strategy of D2D Content Edge Cache Based on Particle Swarm Optimization

MENG Li-min1, WANG Kun1 , ZHENG Zeng-qian1, JIANG Wei2   

  1. 1 College of Information Engineering,Zhejiang University of Technology,Hangzhou 310000,China
    2 College of Information Science and Technology,Zhejiang Shuren University,Hangzhou 310000,China
  • Online:2020-11-15 Published:2020-11-17
  • About author:MENG Li-min,born in 1963,Ph.D,professor,Ph.D supervisor,is a member of China Computer Federation.Her main research interests include wireless communication and network,streaming mediatransmission and IoT communications.
    WANG Kun,born in 1995,postgra-duate.His main research interests include D2D edge caching and real-time streaming media communication.
  • Supported by:
    This work was supported by the National Natural Science Foundation of China (61871349),Natural Science Foundation of Zhejiang Pvovince,China(LQ19F010013,LY18F010024) and Science and Technology Program of Jinhua in 2019(Public Welfare)(2019-4-176).

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Abstract: In the extreme case that the communication network infrastructure is paralyzed,how to ensure the interconnection and efficient centralized control of the rescue terminal equipment network,and how to solve the problem of gathering and sharing all kinds of information on the command site are the key problems.In order to continue the information transmission and reduce the probability of interruption,this paper studies the edge cache-assisted device-to-device (D2D) communication overlay network.Method,establish a D2D communication edge cache architecture,optimize the cache index,and construct a virtual logical mapping channel of the D2D overlay network by detecting the cache architecture of the terminal nodes.A single particle based on adaptive inertial weight binary particle swarm algorithm under emergency conditions Strategy of D2D content edge cache architecture for soldier terminal equipment.Experimental results show that the algorithm's edge cache preset strategy has a higher cache index and is conducive to better information transmission.

Key words: Cache index, D2D communication, Edge cache, Particle swarm algorithm, Self-adaption

CLC Number: 

  • TP301
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