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Real-Time Implementation of 4x4 MIMO-OFDM System for 3GPP-LTE Based on a Programmable Processor

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Computer Engineering and Technology (NCCET 2013)

Part of the book series: Communications in Computer and Information Science ((CCIS,volume 396))

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Abstract

MIMO-OFDM is currently being considered as a promising technology for future wideband wireless systems. Meanwhile, the detection of MIMO-OFDM system forms one of the most intensive tasks in baseband signal processing. There have been a great number of algorithms proposed for MIMO-OFDM detection. This paper investigates the real-time implementation of MIMO OFDM systems using programmable multi-SIMD (single instruction multiple data) processor targeting for software defined radio. We analyze the computational characteristic and cost of major algorithms of LPF, symbol synchronization, OFDM modulation, channel estimation and MIMO detection of a 4x4 MIMO-OFDM system based on 3GPP-LTE R-12 standard. The evaluation and implementation results show that our SDR architecture supports 300Mbps LTE system with 20MHz bandwidth. Finally, we discuss the architecture perspective of our SDR processor for future wireless communication standards with higher throughput.

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Author information

Authors and Affiliations

  1. Microelectronics and Microprocessor Institute, School of Computer, National University of Defense Technology, Changsha, 410073, China

    Ting Chen, Hengzhu Liu & Jianghua Wan

Authors
  1. Ting Chen
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  2. Hengzhu Liu
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  3. Jianghua Wan
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Editor information

Editors and Affiliations

  1. National University of Defense Technology, Changsha, China

    Weixia Xu  & Liquan Xiao  & 

  2. School of Computer, National University of Defense Technology, 410073, Changsha, Hunan, P.R. China

    Chengyi Zhang

  3. National University of Defense Technology, Changsha, P.R. China

    Jinwen Li

  4. School of Computer Science, National University of Defense Technology, Changsha, Hunan, P.R. China

    Liyan Yu

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© 2013 Springer-Verlag Berlin Heidelberg

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Chen, T., Liu, H., Wan, J. (2013). Real-Time Implementation of 4x4 MIMO-OFDM System for 3GPP-LTE Based on a Programmable Processor. In: Xu, W., Xiao, L., Zhang, C., Li, J., Yu, L. (eds) Computer Engineering and Technology. NCCET 2013. Communications in Computer and Information Science, vol 396. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-41635-4_4

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  • DOI: https://doi.org/10.1007/978-3-642-41635-4_4

  • Publisher Name: Springer, Berlin, Heidelberg

  • Print ISBN: 978-3-642-41634-7

  • Online ISBN: 978-3-642-41635-4

  • eBook Packages: Computer ScienceComputer Science (R0)

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