\documentclass[12pt,a4paper,conference,onecolumn]{IEEEtran}
\voffset=1.5cm 
\hoffset=1.1cm
\textwidth 16 true cm 
\textheight 23 true cm

\usepackage[dvips]{graphicx}
\usepackage{amsmath,amssymb}

\begin{document}
\title{Paper Title}
\date{}

\author{
\IEEEauthorblockN{Author1, Author2, Author3}
\IEEEauthorblockA{Affiliation1\\Post Address1, Country1\\{\{Author1, Author2, Author3\}}@Affilation1.edu}
\and
\IEEEauthorblockN{Author4}
\IEEEauthorblockA{Affiliation2\\Post Address2, Country2\\Author4@Affilation2.edu}}
\maketitle

\begin{abstract}
The abstract goes here. The abstract goes here. The abstract goes here. The abstract goes here. The abstract goes here. The abstract goes here. The abstract goes here. The abstract goes here. The abstract goes here. The abstract goes here. \\ \\
\textbf{Index Terms:} Keyword1, Keyword2, Keyword3.
\end{abstract}

\section{Introduction}
Section text here \cite{Shannon}. Remember that in article text there should not be empty places (ruptures).

\subsection{Subsection Heading Here}
Subsection text here.

\begin{table}[ht]
\centering
\caption{Your caption to the table here}\label{tab1}\vspace{4pt}
\begin{tabular}{|c|c|c|c|}

		\hline
 		54 & different & different & different\\
 		\hline \hline
		124 & data & data & data\\
		\hline
		1010100 & from & from & from \\
		\hline
		84 & table & table & table \\
		\hline
\end{tabular}
\end{table}


\begin{figure}[ht]
	\centering
	\includegraphics[width=0.8\textwidth]{fig1}
	\caption{Your caption to the fugure here}
	\label{fig1}
\end{figure}

\subsubsection{Subsubsection Heading Here}
Subsubsection text here.

\section{Main part}

\subsection{Class options}
Subsection text here.

\subsection{The latest version}
Subsection text here.

\section{Conclusion}
The conclusion goes here.

\section*{Acknowledgment}
The authors would like to thank...

\begin{thebibliography}{2}

\bibitem{Shannon}
C. E. Shannon, ''A mathematical theory of communication,'' 
\emph{Bell Syst. Tech. J.}, vol. 27, pp. 379--423, 1948.

\bibitem{Johnson}
 D.S. Johnson, ''The NP-completeness column: an ongoing guide,'' 
\emph{Journal of Algorithms}, 9 (1988), 426–-444.

\end{thebibliography}

\end{document}
