naa a22 4500 51079372X CHVBK 20180411083328.0 cr unu---uuuuu 180411e20130601xx s 000 0 eng 10.1007/s11277-012-0782-4 doi (NATIONALLICENCE)springer-10.1007/s11277-012-0782-4 Fair Radio Resource Allocation for MIMO OFDM-based Multicast Systems [Elektronische Daten] [Ioannis Fraimis, Stavros Kotsopoulos] This paper investigates the problem of resource allocation in a multiple-input multiple-output (MIMO) OFDM-based system, wherein multiple multicast groups exist. Multicasting is a transmission technique which enables a transmitter to communicate via a single wireless link with multiple receivers simultaneously. Moreover, the presence of multiple antennas in both transmitter and receiver enhances significantly the system spectral efficiency. MIMO technology along with multicasting offers major advantages to wireless systems. However, optimum exploitation of these technologies adds significant complexity to the system which makes very difficult any possible practical implementation. Another important issue of such systems is their capacity to ensure to all users a certain level of QoS. To that end, we propose a low complexity fair resource allocation algorithm aiming at ensuring a certain amount of resources to all users when multicasting is applied. Validation of the proposed solution is achieved through extensive simulation and it is compared to other multicast schemes for MIMO systems which exist in literature. Numerical results and complexity analysis show the feasibility of the proposed algorithm. Springer Science+Business Media, LLC., 2012 OFDMA nationallicence Multicast nationallicence MIMO nationallicence QoS nationallicence Radio resource allocation nationallicence Fraimis Ioannis Wireless Telecommunications Laboratory, University of Patras, Patras, Greece aut Kotsopoulos Stavros Wireless Telecommunications Laboratory, University of Patras, Patras, Greece aut Wireless Personal Communications Springer US; http://www.springer-ny.com 70/4(2013-06-01), 1811-1825 0929-6212 70:4<1811 2013 70 11277 https://doi.org/10.1007/s11277-012-0782-4 text/html Onlinezugriff via DOI 1 research-article jats NATIONALLICENCE 856 40 https://doi.org/10.1007/s11277-012-0782-4 text/html Onlinezugriff via DOI NATIONALLICENCE 700 1- Fraimis Ioannis Wireless Telecommunications Laboratory, University of Patras, Patras, Greece aut NATIONALLICENCE 700 1- Kotsopoulos Stavros Wireless Telecommunications Laboratory, University of Patras, Patras, Greece aut NATIONALLICENCE 773 0- Wireless Personal Communications Springer US; http://www.springer-ny.com 70/4(2013-06-01), 1811-1825 0929-6212 70:4<1811 2013 70 11277 Metadata rights reserved Springer special CC-BY-NC licence nationallicence BK010053 XK010053 XK010000 NATIONALLICENCE NATIONALLICENCE NL-springer