On the impact of RD link in resource allocation for multi-cell OFDMA cooperative relay networks with partial CSI

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Conference Proceeding
Communications and Information Technologies (ISCIT), 2012 International Symposium on, 2012, pp. 690 - 695
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is paper investigates the impact of the relay-to-destination channel gain on subcarrier allocation for uplink OFDMA based cooperative relay networks using multiple amplify-and- forward (AF) relaying protocols. The closed form outage probability is derived for the system under partial channel state information (PCSI) and considering the presence of intercell interference (ICI). The results show that the impact of the link between the relay station and the destination is very low when the ICI is high. Hence, under this condition, the channel information of this link can be ignored during the resource allocation which significantly reduces the complexity of the resource allocation processes. Furthermore, this paper quantifies the level of interference at which the RD link can be ignored.
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