\author{
  \IEEEauthorblockN{Hrittik Raj Barua}
  \IEEEauthorblockA{\textit{Department of Electrical and Electronic Engineering} \\
    \textit{University of Science and Technology Chittagong}\\
    Chittagong, Bangladesh \\
    hrittik.rb2000@yahoo.com}
  \and
  \IEEEauthorblockN{Mohammad Mainul Hasan}
  \IEEEauthorblockA{\textit{Department of Electrical and Electronic Engineering} \\
    \textit{University of Science and Technology Chittagong}\\
    Chittagong, Bangladesh \\
    mainulhasan@ustc.ac.bd}
  \and
  \IEEEauthorblockN{Imtiaz Akber Chowdhury}
  \IEEEauthorblockA{\textit{Department of Electrical and Electronic Engineering} \\
    \textit{University of Science and Technology Chittagong}\\
    Chittagong, Bangladesh \\
    eee.imtiazakber@ustc.ac.bd}
  %\linebreakand % <------------- \and with a line-break
  \and
  \IEEEauthorblockN{Arpan Dey}
  \IEEEauthorblockA{\textit{Department of Electrical and Electronic Engineering} \\
    \textit{University of Science and Technology Chittagong}\\
    Chittagong, Bangladesh \\
    arpande.official@yahoo.com}
  \and
  \IEEEauthorblockN{Tridib Banik}
  \IEEEauthorblockA{\textit{Department of Computer Science \& Engineering} \\
    \textit{Assam Downtown University}\\
    Assam, India \\
    Tridibbanik34@gmail.com}
  \and
  \IEEEauthorblockN{Mohammad Rakibul Hoque Khan}
  \IEEEauthorblockA{\textit{Department of Electronics \& Telecommunications Engineering} \\
    \textit{International Islamic University Chittagong}\\
    Chittagong, Bangladesh \\
    rakibulhoquekhan@gmail.com}
}