@inbook{ author = {D. W\"{u}bben and M. Wu and A. Dekorsy}, year = {2014}, month = {Apr}, title = {Physical-Layer Network Coding with Multiple-Antenna Relays}, editor = {Mário Marques da Silva; Francisco A. Monteiro }, publisher = {CRC Press}, ISBN = {9781466598072}, URL = {http://www.crcpress.com/product/isbn/9781466598072}, booktitle={MIMO Processing for 4G and Beyond: Fundamentals and Evolution} }