Agenda

• Introduction to IoT File Transfer Challenges
• Multiple Interface Technologies
• Multipath TCP (MPTCP) Fundamentals
• Implementation Approaches
• Performance Analysis
• Energy Consumption
• Real-world Applications
• Challenges and Limitations
• Future Trends
• Conclusion & Q&A

Introduction: IoT File Transfer Challenges

• IoT devices generate massive amounts of data
• Traditional single-interface limitations
• Need for fast, efficient data transmission
• Battery life and energy constraints
• Real-time communication requirements

Multiple Interface Technologies

• WiFi (2.4GHz and 5GHz)
• Bluetooth (Classic and LE)
• Cellular (4G/5G)
• LoRaWAN
• Interface coexistence challenges

Multipath TCP Fundamentals

• Extension of standard TCP
• Multiple subflows over different paths
• Load balancing and redundancy
• Transparent to applications
• Improved throughput and reliability

Performance Results

• 100MB file transfer comparison:
• WiFi 2.4GHz only: 29 seconds
• 4G only: 86.2 seconds
• WiFi 5GHz + 4G (AUTO): 28.7 seconds
• 500MB shows even greater improvements

Energy Consumption Breakdown

• Radio Communication: 60%
• Data Processing: 25%
• Memory Operations: 10%
• Sleep/Idle Mode: 5%
• Multi-interface optimization reduces overall consumption

Implementation Approaches

• AUTO mode with dynamic allocation
• Machine learning-based path selection
• Bandwidth aggregation techniques
• Interface switching algorithms
• Buffer management strategies

Real-world Applications

• Smart home automation
• Industrial IoT monitoring
• Healthcare devices
• Autonomous vehicles
• Environmental sensing networks

Challenges and Limitations

• Interface interference
• Power consumption trade-offs
• Complexity of implementation
• Cost considerations
• Standardization issues

Future Trends

• 5G and 6G integration
• AI-driven interface selection
• Edge computing optimization
• Improved energy efficiency
• New wireless standards