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Published on: August 15, 2014
Signal Processing for Wireless Communication MIMO System with Nano- Scaled CSDG MOSFET based DP4T RF Switch
1Department of Electronic Engineering, Howard Collage, University of KwaZulu-Natal, Durban-4041, South Africa. Viranjay@ieee.org.
This study analyzes signal processing using nano-scaled Cylindrical Surrounding Double Gate (CSDG) MOSFETs and Double-Pole Four-Throw Radio-Frequency (DP4T RF) switches for advanced wireless communication systems. Performance metrics like insertion loss and isolation were evaluated, with a new channel model presented.
Area of Science:
- Electrical Engineering
- Materials Science
- Telecommunications
Background:
- Modern wireless communication relies on digital signal processing, shifting carrier frequencies to the microwave regime.
- Metal-Oxide-Semiconductor Field-Effect-Transistors (MOSFETs) are crucial for signal processing in multiple-input multiple-output (MIMO) systems.
- Advancements in integrated circuits are driven by the need for efficient radio frequency (RF) components.
Purpose of the Study:
- To analyze signal processing using nano-scaled Cylindrical Surrounding Double Gate (CSDG) MOSFETs with a Double-Pole Four-Throw Radio-Frequency (DP4T RF) switch.
- To evaluate the performance of CSDG MOSFETs in RF switches concerning insertion loss, isolation, reverse isolation, and intermodulation.
- To present a novel channel model for these advanced wireless communication systems.
Main Methods:
- Utilizing nano-scaled Cylindrical Surrounding Double Gate (CSDG) MOSFETs for signal processing.
- Employing a Double-Pole Four-Throw Radio-Frequency (DP4T RF) switch configuration.
- Performance analysis including insertion loss, isolation, reverse isolation, and intermodulation measurements.
- Development and presentation of a new channel model.
Main Results:
- Detailed analysis of insertion loss and isolation characteristics of the CSDG MOSFET-based DP4T RF switch.
- Evaluation of reverse isolation and intermodulation performance for enhanced signal integrity.
- Presentation of a functional channel model applicable to the studied system.
- Discussion of relevant patents in the field of RF switches and MOSFETs.
Conclusions:
- Nano-scaled CSDG MOSFETs offer viable solutions for signal processing in modern RF integrated circuits.
- The DP4T RF switch design demonstrates acceptable performance metrics for wireless communication.
- The presented channel model aids in understanding and designing future high-frequency communication systems.
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