Correction to: Channel estimation for massive MIMO TDD systems assuming pilot contamination and flat fading

In the original publication [1] were several parts incorrect. The corrected versions can be found below. The original article has been updated to rectify these errors.

Equation 3:

Equation 4:

Paragraph under Proposed Channel Estimator:

The proposed estimator for _ik makes the acquisition of inter-cell large-scale fading coefficients unnecessary. The task of gaining knowledge of those coefficients may be unjustifiable in practice due to the excessive, e.g., in case there are L cells serving K users in each one of them, each BS needs to acquire (L – 1)K inter-cell large-scale coefficients.

Paragraph and equations under Remark 3:

Figure 3

Paragraph under Numerical Results and Discussion.

Affiliations

1. Department of Information Technology, Ghent University, Technologiepark-Zwijnaarde, 15, 9052, Gent, Belgium
   • Felipe A. P. de Figueiredo
   •  & Ingrid Moerman
2. Research and Development Center on Telecommunications, (CPqD), Doutor Ricardo Benetton Martins Street, 1000, Campinas, 13086-902, Brazil
   • Fabbryccio A. C. M. Cardoso
3. Department of Communications, School of Electrical and Computer Engineering, University of Campinas, Albert Einstein Avenue, 400, Campinas, 13083-852, Brazil
   • Gustavo Fraidenraich

Corresponding author

Correspondence to Felipe A. P. de Figueiredo.

The online version of the original article can be found at https://doi.org/10.1186/s13638-018-1021-9

Reprints and Permissions