Linear Interference Pre-cancelation in Multiuser Cellular Relay System

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A simple linear precoding scheme to cancel interference is proposed for downlimk multiuser cellular relay networks where the available information is asymmetric between the base station and the relay node. The interference signal from the relay is eliminated by linear pre-pocessing at the base station without any cooperation between the base station and the relay. In the information asymmetric environment, it is shown that the proposed scheme outperforms a time division multiple access (TDMA) scheme and approaches an ideal scheme based on dirty paper coding (DPC) in terms of capacity. An mathematical framework for the analysis of the proposed technique is also presented.
Publisher
IEEE
Issue Date
2010
Citation

WCNC

URI
http://hdl.handle.net/10203/24860
Appears in Collection
EE-Conference Papers(학술회의논문)
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