|dc.description.abstract||The thesis discusses the channel modelling and relay techniques in powerline communications
(PLC) which is considered as a promising technology for the Smart Grid communications, Internet
access and home area network (HAN). In this thesis, the statistical PLC channel characteristics
are investigated, a new statistical channel modelling method is proposed for the in-door
PLC. Then a series of the relay protocols are suggested for the broadband communications over
The statistical channel modelling method is proposed to surmount the limits of the traditional
deterministic PLC channel models such as multipath model and transmission line model. To
develop the channel model, the properties of the multipath magnitudes, interval between the
paths, cable loss and the channel classification are investigated in detail. Then, each property is
described by statistical distribution or formula. The simulation results show that the statistical
model can describe the PLC channels as accurate as deterministic models without the topology
information which is a time-consuming work for collecting.
The relay transmission is proposed to help PLC adapting the diverse application scenarios.
The protocols covers the main relay aspects which include decode/amplify forwarding, single/
multiple relay nodes, full/half duplex relay working mode. The capacity performance of
each protocol is given and compared. A series of the facts which improve the performance of
the PLC networks are figured out according to simulation results. The facts include that the
decode-and-forward is more suitable for the PLC environment, deviation or transforming station
is better location for placing relay node and full duplex relay working mode help exploiting
the capacity potential of the PLC networks.
Some future works are pointed out based on the work of statistical channel model and relay.
In the last part of this thesis, an unit based statistical channel model is initialled for adapting
various PLC channel conditions, a more practical relay scenario which contains multiple data
terminals is proposed for approaching the realistic transmission scenario. At last, the relay for
the narrowband PLC Smart Grid is also mentioned as future research topic.||en_US
|dc.publisher||The University of Edinburgh||en_US
|dc.relation.hasversion||B. Tan, J.S. Thompson, ”Relay Transmission Protocols for In-Door Powerline Communications Networks,” 2011 IEEE International Conference on Communications (ICC) Workshop on Smart Grid Communications, vol.1, no.5, pp.5-9 Kyoto, Japan, June 2011||en_US
|dc.relation.hasversion||B. Tan, J.S. Thompson, ”Capacity evaluation with channel estimation error for the decodeand- forward relay PLC networks,” 2011 European Signal Processing Conference, Barcelona, Spain, September 2011||en_US
|dc.relation.hasversion||H. Sun, A. Nallanathan, B. Tan, J.S. Thompson, J. Jiang, H.V. Poor,, ”Relaying technologies for smart grid communications,” Wireless Communications, IEEE , vol.19, no.6, pp.52-59, December 2012||en_US
|dc.title||Channel modelling and relay for powerline communications||en_US
|dc.type||Thesis or Dissertation||en_US
|dc.type.qualificationname||PhD Doctor of Philosophy||en_US