Computer Science

Computer Science ›› 2023, Vol. 50 ›› Issue (11A): 221000240-8.doi: 10.11896/jsjkx.221000240

• Network & Communication • Previous Articles     Next Articles

Study on NOMA-MEC System Based on JTORATPAIA in Emergency Communication Scenarios

XUE Jianbin, AN Na, WANG Qi, ZHANG Han   

  1. School of Computer and Communication,Lanzhou University of Technology,Lanzhou 730050,China
  • Published:2023-11-09
  • About author:XUE Jianbin,born in 1973,Ph.D,associate professor.His main research intere-sts include wireless communication theo-ry and technology,mobile edge computing technology,etc.
    AN Na,born in 1997,postgraduate.Her main research interests include resource allocation,mobile edge computing,and non-orthogonal multiple access.
  • Supported by:
    Natural Science Foundation of Gansu Province,China(20JR10RA182).

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Abstract: In the emergency communication scenario combining mobile edge computing(MEC) and non-orthogonal multiple access(NOMA) technology,aiming at the problem that the user’s own battery power is limited and cannot meet the user’s business needs,an UAV assisted NOMA-MEC emergency communication system with the goal of minimizing the user’s total energy consumption is proposed.A low complexity iterative algorithm for joint task offloading proportion and transmission power allocation(JTORATPAIA) is designed.Simulation results show that compared with other benchmark schemes,this scheme can reduce the energy consumption of all users more effectively.Especially when the input data size is 7.5 Mbits,the energy consumption the proposed scheme is reduced by about 40% compared with literature [30].It can be seen that the scheme is very suitable for improving the energy consumption of users in the emergency communication scenario.

Key words: Emergency communication, Mobile edge computing, Green communication, Non-orthogonal multiple access(NOMA), Energy harvesting

CLC Number: 

  • TN929.5
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