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Iterative Channel and CFO Estimation for SC-FDE and OFDM Based Massive MIMO Systems | IEEE Conference Publication | IEEE Xplore

Iterative Channel and CFO Estimation for SC-FDE and OFDM Based Massive MIMO Systems


Abstract:

Low complexity and spectral efficient carrier frequency offset (CFO) estimation in massive multiple input multiple output (MIMO) systems is a critical problem. Therefore,...Show More

Abstract:

Low complexity and spectral efficient carrier frequency offset (CFO) estimation in massive multiple input multiple output (MIMO) systems is a critical problem. Therefore, in this paper we propose a low complexity CFO estimation technique for single carrier frequency domain equalization (SC-FDE) and orthogonal frequency division multiplexing (OFDM) based Massive MIMO systems. In this technique, to increase the spectral efficiency, we use the pilots sent for channel estimation to estimate both the CFO and the channel, iteratively. Our analysis show that our proposed technique has better performance and lower complexity than previous techniques which utilize one pilot block for both CFO and channel estimation in massive MIMO systems.
Date of Conference: 28 April 2019 - 01 May 2019
Date Added to IEEE Xplore: 27 June 2019
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Conference Location: Kuala Lumpur, Malaysia

References

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