Relay Precoding for Non-Regenerative MIMO Relay Systems With Partial CSI in the Presence of Interferers

Provided by: Institute of Electrical & Electronic Engineers
Topic: Networking
Format: PDF
In this paper, a relay precoding problem is considered in a non-regenerative Multiple-Input Multiple Output (MIMO) relay system, when multiple interferers exist near the destination. The relay has the perfect Channel State Information (CSI) of the source-relay link and only the covariance information of the relay-destination link. Also, the authors assume that the training signals of the interferers are known at the destination, and thus, the covariance information of the channels from the interferers to the destination can be estimated at the destination and the information is fed back to the relay.

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