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Relay selection in modern communication systems

Relay selection in modern communication systems

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This chapter presents relay selection policies under different communication scenarios and applications. Specifically, the chapter focuses on the benefits and efficiency of relay selection in the context of full-duplex (FD) enabled relays (Section 6.2), relays with buffers (Section 6.3) and relays with wireless power transfer (WPT) capabilities (Section 6.4). These scenarios show that relay selection is an efficient PHY layer tool for the design of modern communication networks.

Chapter Contents:

  • 6.1 Introduction
  • 6.2 FD relay selection
  • 6.2.1 System model
  • 6.2.2 Optimal relay selection
  • 6.2.3 Max-min relay selection
  • 6.2.4 Loop interference relay selection
  • 6.2.5 Partial relay selection
  • 6.2.6 Max-min with loop interference relay selection
  • 6.2.7 Optimal relay selection with hybrid relaying
  • 6.2.8 Numerical results
  • 6.3 Buffer-aided relay selection
  • 6.3.1 System model
  • 6.3.2 Max-min relay selection
  • 6.3.3 Max-max relay selection (bound)
  • 6.3.4 Max-link relay selection
  • 6.3.4.1 Outage probability
  • 6.3.4.2 Illustrative examples
  • 6.3.5 Numerical results
  • 6.4 Wireless powered relay selection with wireless battery charging
  • 6.4.1 System model
  • 6.4.2 Random relay selection
  • 6.4.2.1 Outage probability
  • 6.4.3 Relay selection based on the closest distance
  • 6.4.3.1 Outage probability
  • 6.4.4 Distributed beamforming
  • 6.4.4.1 Outage probability
  • 6.4.5 Numerical results
  • 6.5 Conclusion
  • References

Inspec keywords: relay networks (telecommunication); radiofrequency power transmission

Other keywords: FD enabled relay; PHY layer tool; full-duplex enabled relay; relay selection efficiency; relay buffer; wireless power transfer capability; modern communication system

Subjects: Radio links and equipment

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