In the present technological expansion, the radio frequency integrated circuits in the wireless
communication technologies became useful because of the replacement of increasing number of
functions, traditional hardware components by modern digital signal processing. The carrier frequencies
used for communication systems, now a day, shifted toward the microwave regime. The signal
processing for the multiple inputs multiple output wireless communication system using the Metal-
Oxide-Semiconductor Field-Effect-Transistor (MOSFET) has been done a lot. In this research the
signal processing with help of nano-scaled Cylindrical Surrounding Double Gate (CSDG) MOSFET by means of Double-
Pole Four-Throw Radio-Frequency (DP4T RF) switch, in terms of Insertion loss, Isolation, Reverse isolation and Inter
modulation have been analyzed. In addition to this a channel model has been presented. Here, we also discussed some
patents relevant to the topic.
Keywords: CSDG MOSFET, channel communication, DP4T switch, MIMO system, nanotechnology, RF switch, signal processing,
wireless communication, VLSI.
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