Energy Efficiency in MIMO Underlay and Overlay Device-to-Device Communications and Cognitive Radio Systems Zappone, Alessio Matthiesen, Bho Jorswieck, Eduard Axel Institute of Electrical and Electronics Engineers (IEEE) 2016 info:eu-repo/semantics/article doc-type:article text http://purl.org/coar/resource_type/c_6501 https://ris.uni-paderborn.de/record/66998 Zappone A, Matthiesen B, Jorswieck EA. Energy Efficiency in MIMO Underlay and Overlay Device-to-Device Communications and Cognitive Radio Systems. <i>IEEE Transactions on Signal Processing</i>. 2016;65(4):1026-1041. doi:<a href="https://doi.org/10.1109/tsp.2016.2626249">10.1109/tsp.2016.2626249</a> eng info:eu-repo/semantics/altIdentifier/doi/10.1109/tsp.2016.2626249 info:eu-repo/semantics/altIdentifier/issn/1053-587X info:eu-repo/semantics/altIdentifier/issn/1941-0476 info:eu-repo/semantics/closedAccess