Performance analysis of ZF receivers with imperfect CSI for uplink massive MIMO systems

Nguyen Van-Dinh () and Oh-Soon Shin ()
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Nguyen Van-Dinh: Soongsil University
Oh-Soon Shin: Soongsil University

Telecommunication Systems: Modelling, Analysis, Design and Management, 2017, vol. 65, issue 2, No 3, 252 pages

Abstract: Abstract We consider the uplink of massive multiple-input multiple-output systems in a multicell environment. Since the base station (BS) estimates the channel state information (CSI) using the pilot signals transmitted from the users, each BS will have imperfect CSI in practice. Assuming zero-forcing method to eliminate the multi-user interference, we derive the exact analytical expressions for the probability density function of the signal-to-interference-plus-noise ratio, the corresponding achievable rate, the outage probability, and the symbol error rate (SER) when the BS has imperfect CSI. An upper bound of the SER is also derived for an arbitrary number of antennas at the BS. Moreover, we derive the upper bound of the achievable rate for the case where the number of antennas at the BS goes to infinity, and the analysis is verified by presenting numerical results.

Keywords: Massive multiple-input multiple-output (MIMO); Channel estimation; Channel state information (CSI); Zero-forcing (ZF) (search for similar items in EconPapers)
Date: 2017
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Citations: View citations in EconPapers (1)

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DOI: 10.1007/s11235-016-0225-8

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