Computer Science ›› 2019, Vol. 46 ›› Issue (11): 80-87.doi: 10.11896/jsjkx.181001925

• Network & Communication • Previous Articles     Next Articles

Bit Error Rate Analysis of Diffusion-based Multicast Molecular Communication Networks

CHENG Zhen, ZHAO Hui-ting, ZHANG Yi-ming, LIN Fei   

  1. (College of Computer Science and Technology,Zhejiang University of Technology,Hangzhou 310023,China)
  • Received:2018-10-16 Online:2019-11-15 Published:2019-11-14

Abstract: Considering a multicast molecular communication network consisting of one transmitter nanomachine,two receiver nanomachines,and four nanomachines acting as relays,this paper proposed two different relay schemes using the same type and different types of molecules in each hop to transmit information to ensure the reliability of the multicast molecular communication.First,the method for adjusting the decision threshold as an effective mechanism is proposed to mitigate interference when transmitting the same type of molecules between parallel relay nanomachines.Then,mathematical expressions for the average bit error rate of the multicast molecular communication network for both relay schemes are derived.Finally,the simulation results show that different parameters have impacts on the average bit error rate of the multicast molecular communication network,including decision threshold,the number of molecules emitted in each time slot,the distance between transmitter nanomachine and receiver nanomachine,the number of samples,bit interval duration and diffusion coefficient.And a relay scheme which can reduce the average bit error rate of this network was proposed.

Key words: Bit error rate, Diffusive, Molecular communication networks, Multicast

CLC Number: 

  • TP391.9
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