Oren Somekh Osvaldo Simeone H. Vincent Poor Shlomo Shamai Cellular Systems with Full-Duplex Compress-and-Forward Relaying and Cooperative Base Stations http://arxiv.org/abs/0805.0092 2008 CoRR abs/0805.0092 db/journals/corr/corr0805.html#abs-0805-0092 informal publication