Gaussian Relay Channel Capacity to Within a Fixed Number of Bits
Woohyuk Chang, Sae-Young Chung, Yong Hoon Lee · arXiv (Cornell University) · 2010
In this paper, we show that the capacity of the three-node Gaussian relay channel can be achieved to within 1 and 2 bit/sec/Hz using compress-and-forward and amplify-and-forward relaying, respectively.