Intelligent Reflecting Surface Versus Decode-and-Forward: How Large Surfaces are Needed to Beat Relaying?

The rate and energy efficiency of wireless channels can be improved by deploying software-controlled metasurfaces to reflect signals from the source to the destination, especially when the direct path is weak. While previous works mainly optimized the reflections, this letter compares the new techno...

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Veröffentlicht in:	IEEE wireless communications letters 2020-02, Vol.9 (2), p.244-248
Hauptverfasser:	Bjornson, Emil, Ozdogan, Ozgecan, Larsson, Erik G.
Format:	Artikel
Sprache:	eng
Schlagworte:	DF relaying Energy dissipation Energy efficiency Intelligent reflecting surface New technology Power efficiency Receivers Reconfigurable intelligent surfaces Relaying Relays Resource description framework Signal to noise ratio Surface waves Transceivers Wireless communication
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