IoT-Oriented 6G Wireless Network System for Smart Cities

Area of Science:

• Wireless Communication
• Internet of Things (IoT)
• Smart City Technologies

Background:

• Smart cities rely on integrated electronic devices and citizen interaction to improve information flow.
• The Internet of Things (IoT) is crucial for next-generation wireless networks, enabling data collection and message control in smart cities.

Purpose of the Study:

• To propose an IoT-oriented relay-assisted Multiple-Input Multiple-Output (MIMO) system for beyond fifth-generation wireless networks.
• To enhance data transmission capacity and reduce bit error rate (BER) for IoT systems.

Main Methods:

• The proposed system utilizes relay assistance within a MIMO framework for IoT applications.
• Performance is evaluated by comparing BER across various antenna configurations at source, relay, and destination.
• Mathematical analysis and simulations are employed to assess capacity improvements using Space-Time Block Coding (STBC) and VBLAST.

Main Results:

• The relay-assisted scheme achieves a 1-17 dB gain compared to direct connections.
• Capacity performance shows a 3 to 9 b/s/Hz improvement at 5 to 10 dB with STBC and VBLAST combinations.
• Demonstrated diversity and multiplexing gains are key to high data rates and reliable communication in interference-prone IoT environments.

Conclusions:

• The developed relay-assisted MIMO system offers substantial performance gains for IoT in smart cities.
• The system is adaptable for massive antenna-based IoT systems through proposed encoding and decoding techniques.
• This approach facilitates high-speed, reliable data transmission essential for advanced wireless network infrastructure.