Wireless Relaying with Partial Cooperation Based on Power-Line Communication


Marc Kuhn and Armin Wittneben


6th IEEE International Workshop on Signal Processing Advances in Wireless Communications, SPAWC 2005, New York, June 2005.

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In this paper we investigate the use of Power-Line Communication (PLC) to assist cooperative wireless relaying. We consider a communication scheme that uses the power-line to initialize and synchronize wireless amplify-and-forward (AF) relays and to broadcast information between the relays. Based on the analysis of transfer function and noise measurements of PLC channels in office and residential environments we propose a transmission scheme for the inter-relay-communication over power-lines and assess the influence of this scheme on wireless relaying. The use of PLC leads to a very flexible way of enhancing wireless communications by plugging in additional relays where they are needed without additional wiring.


PLC, Power-Line Communication, Cooperative Wireless Relaying, inter-relay Communication

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