On the Optimum Power Allocation in the One-Side Interference Channel With Relay

Provided by: Institute of Electrical & Electronic Engineers
Topic: Mobility
Format: PDF
The optimum power allocation of the one-side interference channel with the non-cognitive relay node was studied. Assuming the orthogonal resources were used on the channels between the sources and relay node, the authors first derived a transmission scheme based on the dirty paper coding and the interference cancellation. Then with this transmission scheme the rates that was achievable in both the weak and strong interference regimes were given. A joint power allocation scheme among the sources and relay node was proposed, which maximized the sum-rate.

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