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Impact of jamming signal on system performance in downlink of IoT network relying on nonorthogonal multiple access

Impact of jamming signal on system performance in downlink of IoT network relying on nonorthogonal multiple access

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This chapter analyzed a downlink NOMA network with impacts from jamming signal. With regard to impairment of SIC, that is, imperfect SIC and perfect SIC were used in the receiver to provide a comparative study. To examine system per-formance, the outage probability was considered in this chapter under various para-meters. Specially, we derived the closed-form expressions for the outage probability. In order to evaluate other metrics, the throughput of the system is studied and system performance remains stable at high SNRs. These results can be achieved and verified by the simulation results and they were also further evaluated under varying the number of jamming sources. In future work, more users and more pairs of the group need to be investigated to implement such scenarios in real IoT systems.

Chapter Contents:

  • 7.1 Introduction
  • 7.2 Consideration on IoT system under the impact of a jamming signal
  • 7.3 Outage probability and throughput analysis
  • 7.3.1 The outage probability of the D1
  • 7.3.2 The outage probability of the second user D2
  • 7.3.3 Throughput performance
  • 7.4 Numerical results
  • 7.5 Conclusion
  • References

Inspec keywords: Internet of Things; telecommunication network reliability; nonorthogonal multiple access; jamming; probability

Other keywords: outage probability; nonorthogonal multiple access; closed-form expressions; IoT network; jamming signal; perfect SIC

Subjects: Reliability; Electromagnetic compatibility and interference; Multiple access communication; Computer communications; Computer networks and techniques; Other topics in statistics; Other topics in statistics

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