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논문 기본 정보

자료유형
학술저널
저자정보
Derek Kwaku Pobi Asiedu (Hanbat National University) Roger Kwao Ahiadormey (Hanbat National University) Suho Shin (Hanbat National University) Kyoung-Jae Lee (Hanbat National University)
저널정보
한국정보기술학회 JOURNAL OF ADVANCED INFORMATION TECHNOLOGY AND CONVERGENCE Journal of Advanced Information Technology and Convergence Vol.9 No.1
발행연도
2019.7
수록면
25 - 37 (13page)
DOI
10.14801/jaitc.2019.9.1.25

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

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