Abstract
With multiple antennas’ transmission, multiple-input multiple-output (MIMO) technique is able to utilize the space diversity to obtain high spectrum efficiency. In this study, we propose a single hidden layer feedforward network trained with extreme learning machine (ELM) to estimate channel performances in MIMO system. Bit error rate (BER) and signal-to-noise ratio (SNR) performance of back-propagation (BP) algorithm are also compared with our proposed neural network. The simulation results show that ELM has got much better time efficiency than BP in MIMO modeling. Furthermore, MIMO modeling based on ELM doesn’t need to send pilot, which reduce the waste of spectrum resources.
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Acknowledgments
This work was supported by the Natural Science Foundation of Zhejiang province (China under Grants LY15F030017 and Q13G010016), National Natural Science Foundation of China (China under Grants 61403224).
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Liu, J., Dong, F., Cao, J., Jin, X. (2016). MIMO Modeling Based on Extreme Learning Machine. In: Cao, J., Mao, K., Wu, J., Lendasse, A. (eds) Proceedings of ELM-2015 Volume 1. Proceedings in Adaptation, Learning and Optimization, vol 6. Springer, Cham. https://doi.org/10.1007/978-3-319-28397-5_14
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DOI: https://doi.org/10.1007/978-3-319-28397-5_14
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