Comparison of different virtual MIMO detection schemes for 3GPP LTE

Authors:
Shengbing Cai;Zhemin Duan;Jin Gao
Affiliations:
Dept. of Electronics and Information, Northwestern Polytechnical University, Xi'an, P.R.China;Dept. of Electronics and Information, Northwestern Polytechnical University, Xi'an, P.R.China;Dept. of Electronics and Information, Northwestern Polytechnical University, Xi'an, P.R.China
Venue:
WiCOM'09 Proceedings of the 5th International Conference on Wireless communications, networking and mobile computing
Year:
2009

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Abstract

This paper addresses the issues of MIMO detection schemes for LTE uplink at received port when V-MIMO scheme is deployed at transmitter, which is always a trade-off between performance and complexity. More specifically,the authors will focus on the deployment of of virtual MIMO in the UTRA LTE uplink and investigrate two different received detection algorithms,namely Zero-Forcing and Minimum Mean Squared Error Successive Interference Cancellation, proposed for V-MIMO dection considering performances and as well as computional complexity.Finally link level simulation results are provided to evaluate algorithms for implementation and feasibility.It has shown ZF-SIC outperforms somewhat MMSE-SIC in terms of BER under diverse practical scenarios dedicated for LTE systems.