naa a22 4500 510798764 CHVBK 20180411083346.0 cr unu---uuuuu 180411e20131001xx s 000 0 eng 10.1007/s11277-013-1175-z doi (NATIONALLICENCE)springer-10.1007/s11277-013-1175-z On the Performance of Cellular Two-Way Relay Systems with Analog Network Coding and Multiuser Diversity [Elektronische Daten] [Prabhat Upadhyay, Suneel Yadav] We consider a cellular two-way relaying system in which a multi-antenna base station (BS) communicates bidirectionally with one of several single-antenna mobile stations (MSs) via a single-antenna relay using analog network coding. We employ MS selection coupled with beamforming at the BS so as to maximize the end-to-end signal-to-noise ratios. In the considered system, the target rates at the sources can generally be different owing to the asymmetric traffic flow in opposite directions. With such a general setup, we perform an overall system outage probability analysis over Rayleigh fading channels. For more insights, we derive a closed-form asymptotic expression for overall outage probability and an upper bound expression for ergodic sum-rate of the system. Based on these expressions, we show that the system achieves a performance gain, and a diversity order of minimum of the number of BS antennas and the number of MSs. Moreover, we address the problem of optimization of relay location in order to minimize the overall system outage under asymmetric traffic conditions. Finally, we provide numerical and simulation results to corroborate the theoretical analysis and the advantages offered by the proposed scheme. Springer Science+Business Media New York, 2013 Analog network coding nationallicence Beamforming nationallicence Multiuser diversity nationallicence Outage probability nationallicence Rayleigh fading nationallicence Two-way relaying nationallicence Upadhyay Prabhat Discipline of Electrical Engineering, Indian Institute of Technology Indore, 452017, Indore, MP, India aut Yadav Suneel Discipline of Electrical Engineering, Indian Institute of Technology Indore, 452017, Indore, MP, India aut Wireless Personal Communications Springer US; http://www.springer-ny.com 72/4(2013-10-01), 2705-2720 0929-6212 72:4<2705 2013 72 11277 https://doi.org/10.1007/s11277-013-1175-z text/html Onlinezugriff via DOI 1 research-article jats NATIONALLICENCE 856 40 https://doi.org/10.1007/s11277-013-1175-z text/html Onlinezugriff via DOI NATIONALLICENCE 700 1- Upadhyay Prabhat Discipline of Electrical Engineering, Indian Institute of Technology Indore, 452017, Indore, MP, India aut NATIONALLICENCE 700 1- Yadav Suneel Discipline of Electrical Engineering, Indian Institute of Technology Indore, 452017, Indore, MP, India aut NATIONALLICENCE 773 0- Wireless Personal Communications Springer US; http://www.springer-ny.com 72/4(2013-10-01), 2705-2720 0929-6212 72:4<2705 2013 72 11277 Metadata rights reserved Springer special CC-BY-NC licence nationallicence BK010053 XK010053 XK010000 NATIONALLICENCE NATIONALLICENCE NL-springer