Blacklisting Local Channels in IoT Multi-Hop Networks

The patent implements periodic energy detection instead of continuous monitoring. Nodes perform energy detection at specific intervals (e.g., during idle slots or at scheduled times) to estimate channel quality, thereby maintaining communication reliability while significantly reducing energy consumption compared to continuous detection.

The patent employs self-service mechanisms where nodes autonomously perform energy detection and channel quality estimation without requiring constant external control. Each node independently monitors its own channel conditions and adjusts its behavior accordingly, enabling reliable communication while optimizing energy usage through distributed decision-making.

The patent applies local quality assessment by evaluating channel conditions individually for each of the 16 channels rather than treating them uniformly. Nodes perform energy detection and channel quality estimation on a per-channel basis, allowing them to select and use only the quality channels in their local environment, thereby maintaining throughput while reducing vulnerability to cross-technology interference on poor channels.

The patent dynamically changes channel selection parameters based on real-time channel quality conditions. Nodes adjust which channels they use by modifying channel selection parameters (such as channel index, hopping pattern) according to measured energy levels and interference conditions, enabling adaptive utilization of available channels to maximize throughput while avoiding harmful interference.