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Network Coding in Relay-based Device-to-Device Communications.

Jun Huang1, Hamid Gharavi1, Huifang Yan2

  • 1National Institute of Standards and Technology, Gaithersburg, MD 20899.

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Summary
This summary is machine-generated.

Network coding enhances Device-to-Device (D2D) communications by reducing retransmissions in 5G systems. This review explores relay-based D2D applications and techniques, proposing efficient relay selection for improved performance.

Keywords:
Device-to-Devicenetwork codingrandom linear network codingrelay-based

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Area of Science:

  • Wireless Communications
  • Information Theory

Background:

  • Device-to-Device (D2D) communication improves 5G network throughput, latency, and coverage.
  • Network coding is a technique that minimizes data retransmissions.

Purpose of the Study:

  • To review current network coding techniques in relay-based D2D communications.
  • To analyze application scenarios and present a case study on relay node selection.
  • To identify future research directions in this field.

Main Methods:

  • Literature review of state-of-the-art network coding in relay-based D2D.
  • Application of two representative network coding techniques to dual-hop D2D systems.
  • Development of an efficient relay node selection mechanism.

Main Results:

  • Identified key application scenarios and network coding techniques for relay-based D2D.
  • Demonstrated the effectiveness of selected network coding techniques in dual-hop D2D.
  • Proposed an efficient relay node selection strategy.

Conclusions:

  • Network coding is crucial for optimizing relay-based D2D communication performance.
  • Further research is needed to address current challenges and explore new scenarios.
  • This work provides a comprehensive overview for researchers and practitioners.