NDLI: Channel model proposal for indoor relay-assisted power line communications

Content Provider	IET Digital Library
Author	Wu, Xiaolin Zhu, Bin Rong, Yue
Abstract	Due to its tree-like topology, the point-to-point (P2P) indoor power line communication (PLC) channel exhibits a similar broadcasting property as the wireless propagation channel shows. However, after relay nodes are introduced, the relay-assisted PLC (RaPLC) channel shows some notable differences compared with its wireless counterpart. A lot of results about the relay-assisted wireless channel can be found in the literature, but the work of modelling RaPLC channel has rarely been discussed in detail. As the first attempt to fill this gap, we apply the ABCD method to compute the channel transfer function (CTF) of the RaPLC channel. It has been clarified that, in general, the CTF of RaPLC channel cannot be obtained as a cascade of two independent P2P PLC sub-channels located on two sides of the relay node. Also, it is shown that the challenge of generating CTF of the RaPLC channel can be transformed into a group of equivalent P2P PLC channel modelling tasks. Under the time-division duplexing constraint, the relay node changes its working mode from the receiving phase to the transmitting phase, which shows that the RaPLC channel is abruptly time-varying in nature. Following the hybrid bottom-up approach, a statistical channel model with a simple six-segment indoor power grid topology has been developed for simulation. Practical measurements and numerical examples verify our results.
Starting Page	1236
Ending Page	1244
Page Count	9
ISSN	17518628
Volume Number	12
e-ISSN	17518636
Issue Number	Issue 10, Jun (2018)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/iet-com/12/10
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/iet-com.2017.0782
Journal	IET Communications
Publisher Date	2018-03-08
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	ABCD Method Broadcasting Property Carrier Transmission on Power Line Channel Model Channel Transfer Function Communication Network Design, Planning And Routing Communication Switching CTF Hybrid Bottom-up Approach Independent P2P PLC Subchannels Indoor Communication Indoor Relay-assisted Power Line Communication P2P PLC Channel Modelling Task Point-to-point Indoor Power Line Communication Channel Power Line System RaPLC Channel Relay Network Relay Node Relay-assisted Wireless Channel Six-segment Indoor Power Grid Topology Statistical Analysis Statistical Channel Model Statistics Telecommunication Telecommunication Network Topology Time Division Multiplexing Time-division Duplexing Constraint Transfer Function Tree-like Topology Wireless Channel Wireless Propagation Channel
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering Computer Science Applications

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