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GLOBECOM
2007
IEEE

A Distributed Approach to Interference Cancellation

9 years 4 months ago
A Distributed Approach to Interference Cancellation
Abstract—In this paper1, we propose and analyze a novel idea of performing interference cancellation (IC) in a distributed/cooperative manner, with a motivation to provide multiuser detection (MUD) benefit to nodes that have only a single user detection capability. In the proposed distributed interference cancellation (DIC) scheme, during Phase-1 of transmission, an MUD capable cooperating relay node estimates all the sender nodes’ bits through multistage interference cancellation. These estimated bits are then sent by the relay node on orthogonal tones in Phase-2 of transmission. The destination nodes receive these bit estimates and use them for interference estimation/cancellation, thus achieving IC benefit in a distributed manner. For this DIC scheme, we analytically derive an exact expression for the bit error rate (BER) in a basic five-node network (two source-destination node pairs and a cooperating relay node) on AWGN channels. Analytical BER results are shown to match wi...
K. Raghu, Saif K. Mohammed, Ananthanarayanan Chock
Added 02 Jun 2010
Updated 02 Jun 2010
Type Conference
Year 2007
Where GLOBECOM
Authors K. Raghu, Saif K. Mohammed, Ananthanarayanan Chockalingam
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