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http://dx.doi.org/10.7840/kics.2017.42.1.31

Synchronization and Performance Evaluation of MIMO/F-OFDM Systems for 5G Mobile Communications  

An, Changyoung (Department of electronic engineering, Chungbuk National University)
Ryu, Heung-Gyoon (Department of electronic engineering, Chungbuk National University)
Abstract
In this paper, we have designed MIMO system using F-OFDM modulation. And then, we have evaluated and analyzed synchronization performance of the system. In this paper we have considered Schmidl's method, Minn's method, and Park's method. As simulation results, Schmidl's method has wide plateau of timing metric and Park's method has impulse-shape timing metric. Also, we can confirm that timing metric characteristic of synchronization estimator can be degraded by adjusting filter length of F-OFDM system. Especially, we can confirm that timing metric of synchronization estimator is shifted according to filter length of MIMO system using F-OFDM modulation and this timing metric movement can be compensated by using designed filter length.
Keywords
OFDM; F-OFDM; MIMO; synchronization; 5th generation;
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1 B. Park, H. Choen, E. Ko, C. Kang, and D. Hong, "A novel timing estimation method for OFDM systems," IEEE Commun. Lett., vol. 7, no. 5, pp. 53-55, May 2003.
2 A. Osseiran, F. Boccardi, V. Braun, K. Kusume, P. Marsch, M. Maternia, O. Queseth, M. Schellmann, H. Schotten, H. Taoka, H. Tullberg, M. A. Uusitalo, B. Timus, and M. Fallgren, "Scenarios for 5G mobile and wireless communications: the vision of the METIS project," IEEE Commun. Mag., vol. 52, no. 5, pp. 26-35, May 2014.   DOI
3 E. Dahlman, G. Mildh, S. Parkvall, J. Peisa, J. Sachs, Y. Selen, and J. Skold, "5G wireless access: requirements and realization," IEEE Commun. Mag., vol. 52, no. 12, pp. 42-47, Dec. 2014.   DOI
4 G. Wunder, et al., "5GNOW: non-orthogonal, asynchronous waveforms for future mobile applications," IEEE Commun. Mag., vol. 52, no. 2, pp. 97-105, Feb. 2014.   DOI
5 P. Banelli, et al., "Modulation formats and waveforms for the physical layer of 5G wireless networks: Who will be the heir of OFDM?," in arXiv:1407.5947, Jul. 2014.
6 T. S. Rappaport, et al., "Millimeter wave mobile communications for 5G cellular: It will work!," in IEEE Access, vol. 1, pp. 335-349, 2013.   DOI
7 G. Berardinelli, K. Pajukoski, E. Lahetkangas, R. Wichman, O. Tirkkonen, and P. Mogensen, "On the potential of OFDM enhancements as 5G waveforms," IEEE VTC Spring, pp. 1-5, Seoul, 2014.
8 X. Cheng, Y. He, B. Ge, and C. He, "A filtered OFDM using FIR filter based on window function method," 2016 IEEE VTC Spring, pp. 1-5, Nanjing, 2016.
9 T. M. Schmidl and D. C. Cox, "Robust frequency and timing synchronization for OFDM," IEEE Trans. Commun., vol. 45, no. 12, pp. 1613-1621, Dec. 1997.   DOI
10 H. Minn, M. Zeng, and V. K. Bhargava, "On timing offset estimation for OFDM systems," IEEE Commun. Lett., vol. 4, no. 7, pp. 242-244, Jul. 2000.   DOI