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\begin{document}
\newpage
\noindent{}\rule{1cm}{0.025cm}\framebox{\rule{1cm}{1cm}}

\newpage
\noindent{}\rule{1cm}{0.025cm}\framebox{{\LARGE 12}}

\newpage
\noindent{}\rule{1cm}{0.025cm}\framebox{{\LARGE 16}}

\newpage
\noindent{}\rule{1cm}{0.025cm}\framebox{{\LARGE 20}}

\newpage
\noindent{}\rule{1cm}{0.025cm}\framebox{{\LARGE 24}}

\newpage
\noindent{}\rule{1cm}{0.025cm}\framebox{{\LARGE 28}}

\newpage
\noindent{}\rule{1cm}{0.025cm}\framebox{{\LARGE 32}}

\newpage
\noindent{}\rule{1cm}{0.025cm}\framebox{{\LARGE 36}}

\newpage
\noindent{}\rule{1cm}{0.025cm}\framebox{{\LARGE 40}}

\newpage
\noindent{}\rule{1cm}{0.025cm}\framebox{{\LARGE 44}}

\newpage
\noindent{}\rule{1cm}{0.025cm}\framebox{{\LARGE 48}}

\newpage
\noindent{}\rule{1cm}{0.025cm}\framebox{{\huge Sum-rate (bps/Hz)}}

\newpage
\noindent{}\rule{1cm}{0.025cm}\framebox{{\Huge 20}}

\newpage
\noindent{}\rule{1cm}{0.025cm}\framebox{{\LARGE Theoretical results}}

\newpage
\noindent{}\rule{1cm}{0.025cm}\framebox{{\LARGE Simulation results}}

\newpage
\noindent{}\rule{1cm}{0.025cm}\framebox{{\LARGE With power optimisation}}

\newpage
\noindent{}\rule{1cm}{0.025cm}\framebox{{\LARGE Without power optimisation}}

\newpage
\noindent{}\rule{1cm}{0.025cm}\framebox{{\Huge 16}}

\newpage
\noindent{}\rule{1cm}{0.025cm}\framebox{{\Huge 18}}

\newpage
\noindent{}\rule{1cm}{0.025cm}\framebox{{\Huge 22}}

\newpage
\noindent{}\rule{1cm}{0.025cm}\framebox{{\Huge 24}}

\newpage
\noindent{}\rule{1cm}{0.025cm}\framebox{{\Huge 26}}

\newpage
\noindent{}\rule{1cm}{0.025cm}\framebox{{\Huge 28}}

\newpage
\noindent{}\rule{1cm}{0.025cm}\framebox{{\Huge 30}}

\newpage
\noindent{}\rule{1cm}{0.025cm}\framebox{{\Huge 32}}

\newpage
\noindent{}\rule{1cm}{0.025cm}\framebox{{\LARGE 52}}

\newpage
\noindent{}\rule{1cm}{0.025cm}\framebox{{\LARGE 56}}

\newpage
\noindent{}\rule{1cm}{0.025cm}\framebox{{\huge No. of UEs $K$}}

\newpage
\noindent{}\rule{1cm}{0.025cm}\framebox{{\Huge 4}}

\newpage
\noindent{}\rule{1cm}{0.025cm}\framebox{{\Huge 6}}

\newpage
\noindent{}\rule{1cm}{0.025cm}\framebox{{\Huge 8}}

\newpage
\noindent{}\rule{1cm}{0.025cm}\framebox{{\Huge 10}}

\newpage
\noindent{}\rule{1cm}{0.025cm}\framebox{{\Huge 12}}

\newpage
\noindent{}\rule{1cm}{0.025cm}\framebox{{\Huge 14}}

\end{document}
