Performance of ZF Linear Equalizers for Single Carrier Massive MIMO Uplink Systems | Zendy

Ting Li | Zendy; Murat Torlak | Zendy

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Performance of ZF Linear Equalizers for Single Carrier Massive MIMO Uplink Systems

Author(s) -

Ting Li,

Murat Torlak

Publication year - 2018

Publication title -

ieee access

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.587

H-Index - 127

ISSN - 2169-3536

DOI - 10.1109/access.2018.2841032

Subject(s) - aerospace , bioengineering , communication, networking and broadcast technologies , components, circuits, devices and systems , computing and processing , engineered materials, dielectrics and plasmas , engineering profession , fields, waves and electromagnetics , general topics for engineers , geoscience , nuclear engineering , photonics and electrooptics , power, energy and industry applications , robotics and control systems , signal processing and analysis , transportation

In this paper, we investigate the performance of the spatial-temporal zero-forcing linear equalizer architectures for a single-carrier Massive MIMO uplink system under frequency-selective fading environment. We establish relationships between the choosing equalizer length D and the system performance in terms of system degrees of freedom and signal-to-interference plus noise ratio (SINR). We also present how system parameters (number of antennas M and the transmit signal-to-noise ratio) impact the system performance differently for both single-cell systems and multi-cell systems with perfect and imperfect channel state information. Furthermore, we show that the probability density function (PDF) of the SINR can be accurately approximated as a Gamma distribution by using the moment matching method. Then, closed-form expressions of the ergodic rate and the outage probability are derived based on the PDF of the SINR.

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