Energy efficient OFDM transceiver design based on traffic tracking and adaptive bandwidth adjustment

Area of Science:

• Electrical Engineering
• Signal Processing
• Telecommunications

Background:

• Digital transceivers are crucial in modern communication systems.
• Energy consumption in transceivers is a significant concern, especially with increasing data rates.
• Orthogonal Frequency Division Multiplexing (OFDM) is a widely used modulation scheme.

Purpose of the Study:

• To propose and analyze a novel transceiver scheme for reduced energy consumption.
• To improve the energy efficiency of digital transceivers employing OFDM modulation.

Main Methods:

• Developing a scheme that adaptively tunes the bandwidth and sampling rate of OFDM signals.
• Implementing selective power-off of individual parallel modules within the transceiver.
• Conducting performance analysis to quantify energy savings.

Main Results:

• The proposed transceiver scheme demonstrates significant energy consumption reduction.
• Adaptive bandwidth and sampling rate tuning contribute to power savings.
• Selective module power-off further enhances energy efficiency.

Conclusions:

• The novel transceiver design offers a substantial improvement in energy efficiency for OFDM systems.
• The proposed techniques provide a practical approach to reducing the power footprint of digital transceivers.
• This work contributes to the development of more sustainable wireless communication technologies.