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논문 기본 정보

자료유형
학술저널
저자정보
(Hanbat National University) (Hanbat National University) (Hanbat National University) (Hanbat National University)
저널정보
한국정보기술학회 JOURNAL OF ADVANCED INFORMATION TECHNOLOGY AND CONVERGENCE Journal of Advanced Information Technology and Convergence Vol.9 No.1
발행연도
수록면
25 - 37 (13page)
DOI
10.14801/jaitc.2019.9.1.25

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초록· 키워드

Power-line communication (PLC) has influenced smart grid development. In addition, PLC has also been instrumental in current research on internet-of-things (IoT). Due to the implementation of PLC in smart grid and IoT environments, strides have been made in PLC and its combination with the wireless system to form a hybrid communication system. Also, PLC has evolved from a single-input-single-output (SISO) configuration to multipleinput-multiple-output (MIMO) configuration system, and from a point-to-point communication system to cooperative communication systems. In this work, we extend a MIMO wireless two-way amplify-and-forward (AF) cooperative communication system to a hybrid PLC and wireless (PLC/W) system configuration. We then maximize the weighted sum-rate for the hybrid PLC/W by optimizing the precoders at each node within the hybrid PLC/W system. The sum-rate problem was found to be non-convex, therefore, an iterative algorithm is used to find the optimal precoders that locally maximize the system sum-rate. For our simulation results, we compare our proposed hybrid PLC/W configuration to a PLC only and wireless only configuration at each node. Due to an improvement in system diversity, the hybrid PLC/W configuration outperformed the PLC only and wireless only system configurations in all simulation results presented in this paper.
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목차

  1. Abstract
  2. 1. Introduction
  3. 2. System Model and Problem Formulation
  4. 3. Joint Optimization
  5. 4. Numerical Results
  6. 5. Conclusion
  7. References

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UCI(KEPA) : I410-ECN-0101-2019-004-000944960