Comparison of orthogonal and non-orthogonal approaches to future wireless cellular systems
This article provides a comparative study of different multiple access techniques. It is
demonstrated that non-orthogonal approaches have a spectral-power efficiency advantage
over orthogonal ones for delay-sensitive applications in fading environments, and that this
theoretical advantage can be realized in practice by exploiting recent progress in
transmission and detection techniques. The practical aspects of these multiple access
techniques are also discussed and compared
demonstrated that non-orthogonal approaches have a spectral-power efficiency advantage
over orthogonal ones for delay-sensitive applications in fading environments, and that this
theoretical advantage can be realized in practice by exploiting recent progress in
transmission and detection techniques. The practical aspects of these multiple access
techniques are also discussed and compared
This article provides a comparative study of different multiple access techniques. It is demonstrated that non-orthogonal approaches have a spectral-power efficiency advantage over orthogonal ones for delay-sensitive applications in fading environments, and that this theoretical advantage can be realized in practice by exploiting recent progress in transmission and detection techniques. The practical aspects of these multiple access techniques are also discussed and compared
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