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Channel Estimation for Spatial Modulation Orthogonal Frequency Division Multiplexing Systems

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Channel Estimation for Spatial Modulation.pdf (1.130Mb)
Date
2015
Author
Acar, Yusuf
Doğan, Hakan
Panayırcı, Erdal
Abstract
A combination of spatial modulation and orthogonal frequency division multiplexing (SM-OFDM) has been recently proposed for multicarrier systems while assuming the perfect channel state information (P-CSI) available at the receiver. But in practical scenarios the estimation of CSI is crucial in order to detect the transmitted data coherently. In this work(1) a new frame structure and pilot symbol aided channel estimation (PSA-CE) technique with a piecewise linear interpolation is proposed for the SM-OFDM systems operating in the presence of frequency selective channel. Bit error rate (BER) performance of the proposed channel estimation technique is then investigated with different channel models such as Typical Urban ( TU) and Rural Urban (RU) for 4-quadrature amplitude modulation (QAM). In particular it is shown that the performance with estimated channel came close to that with known channel within 2.3 dB in SNR for BER = 10(-4) for TU channels.

Source

2015 9th International Conference on Application of Information and Communication Technologies (Aict)

Pages

382-385

URI

https://hdl.handle.net/20.500.12469/635
https://ieeexplore.ieee.org/abstract/document/7338584

Collections

  • Araştırma Çıktıları / Scopus [1565]
  • Araştırma Çıktıları / WOS [1518]
  • Elektrik-Elektronik Mühendisliği / Electrical - Electronics Engineering [321]

Keywords

Multiple-input multiple-output (MIMO)
Orthogonal frequency division multi- plexing (OFDM)
Spatial modulation (SM)
Channel estimation
Interpolation

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DSpace software copyright © 2002-2015  DuraSpace
Contact Us | Send Feedback
Theme by 
@mire NV