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A Differential QAM Scheme for Uplink Massive MIMO Systems

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5G for Future Wireless Networks (5GWN 2017)

Abstract

An uplink massive MIMO system with a single antenna transmitter and a single receiver with a large number of antennas is considered. For this system we propose one new differential QAM scheme based on the division operation. Specially, by designing one looking-up table, we provide the transmitted differential QAM symbol generating process and the non-coherent detection method, which is only based on two adjacent received signals, while not using any instantaneous channel state information. At last the bit error rate (BER) performance is simulated and the simulation results have shown that the new proposed differential QAM scheme achieves much better performance than the other differential QAM or differential amplitude phase shift keying (DAPSK) schemes in uplink massive MIMO systems, especially for higher dimensional modulation constellations.

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Acknowledgment

This research was supported by National Natural Science Foundation of China (No. 61471269, 61622111, 61671278, 61501461, 61601269), Doctoral Scientific Research Fund Project of Weifang University (No. 2014BS12), Weifang Science and Technology Development Plan Project (No. 2014GX021), and Shangdong Province Young and Middle-Aged Scientists Research Awards Fund (No. BS2013DX040).

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Correspondence to Peng Zhang .

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© 2018 ICST Institute for Computer Sciences, Social Informatics and Telecommunications Engineering

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Zhang, P., Guo, S., Zhang, H. (2018). A Differential QAM Scheme for Uplink Massive MIMO Systems. In: Long, K., Leung, V., Zhang, H., Feng, Z., Li, Y., Zhang, Z. (eds) 5G for Future Wireless Networks. 5GWN 2017. Lecture Notes of the Institute for Computer Sciences, Social Informatics and Telecommunications Engineering, vol 211. Springer, Cham. https://doi.org/10.1007/978-3-319-72823-0_51

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  • DOI: https://doi.org/10.1007/978-3-319-72823-0_51

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  • Publisher Name: Springer, Cham

  • Print ISBN: 978-3-319-72822-3

  • Online ISBN: 978-3-319-72823-0

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