Formulation and Performance Analysis of Broadband and Narrowband OFDM-Based PLC Systems

Area of Science:

• Electrical Engineering
• Communications Engineering
• Computer Science

Background:

• Power Line Communication (PLC) systems are crucial for Smart Grid and Internet of Things (IoT) applications.
• Existing standards like IEEE 1901 and IEEE 1901.2 define PLC system components but leave receiver configurations open.
• Mathematical formulation is needed for efficient simulation and analysis of PLC physical layers.

Purpose of the Study:

• To provide a matrix-based mathematical formulation for the physical layer of broadband and narrowband PLC systems.
• To enable detailed analysis of transmitter-receiver input-output relations and system interference.
• To facilitate the simulation and design of diverse PLC receiver configurations.

Main Methods:

• Developed a matrix-based mathematical model for PLC transmitter and receiver systems.
• Utilized windowed Orthogonal Frequency Division Multiplexing (OFDM) as the core communication technique.
• Analyzed four different receiver schemes incorporating window functions.
• Conducted simulations using artificial and real noise to evaluate performance.

Main Results:

• The proposed matrix formulation simplifies PLC system simulation in environments like Matlab.
• It allows for straightforward modification and analysis of different receiver designs.
• Simulations demonstrated the performance of various receiver schemes in terms of bit error rate and data throughput.
• The study identified optimal window function configurations for improved PLC performance.

Conclusions:

• The matrix-based formulation is essential for the development and simulation of IEEE 1901 and IEEE 1901.2 compliant PLC systems.
• The analysis provides valuable insights for designing robust and efficient PLC receivers for Smart Grid and IoT.
• This work offers a flexible framework for future research and development in power line communications.