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Electronics and Telecommunications Research Institute (한국전자통신연구원)
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Error Rate and Capacity Analysis for Incremental Hybrid DAF Relaying using Polar Codes

  • Madhusudhanan, Natarajan (Department of Electronics and Communication Engineering, PSG College of Technology, Anna University) ;
  • Venkateswari, Rajamanickam (Department of Electronics and Communication Engineering, PSG College of Technology, Anna University)
  • Received : 2017.09.15
  • Accepted : 2018.02.19
  • Published : 2018.06.01
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Abstract

The deployment of an incremental hybrid decode-amplify and forward relaying scheme is a promising and superior solution for cellular networks to meet ever-growing network traffic demands. However, the selection of a suitable relaying protocol based on the signal-to-noise ratio threshold is important in realizing an improved quality of service. In this paper, an incremental hybrid relaying protocol is proposed using polar codes. The proposed protocol achieves a better performance than existing turbo codes in terms of capacity. Simulation results show that the polar codes through an incremental hybrid decode-amplify-and-forward relay can provide a 38% gain when ${\gamma}_{th(1)}$ and ${\gamma}_{th(2)}$ are optimal. Further, the channel capacity is improved to 17.5 b/s/Hz and 23 b/s/Hz for $2{\times}2$ MIMO and $4{\times}4$ MIMO systems, respectively. Monte Carlo simulations are carried out to achieve the optimal solution.

Keywords

References

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