Wireless Cluster Head Election via Capability-Based Node Selection
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Solution Overview
Problem
Existing wireless communication networks for clusters of communicating electronic devices face inefficiencies in energy management and data transmission due to random head election methods, leading to ineffective service provision and unnecessary energy expenditure, especially in environments with obstacles that hinder long-distance data transmission.
Innovation Solution
A method where nodes can self-elect as cluster heads only if they can effectively perform their role, and nodes can decide to join or leave clusters based on the ability of the head to provide a service, optimizing energy pooling and minimizing conflicts through a process that evaluates and compares operational parameters with minimum requirements.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If random head election method is used, then node selection is simple, but service provision effectiveness deteriorates and energy expenditure increases
Solution Approach 1:
The patent changes the selection parameter from random selection to capability-based selection. Nodes evaluate their operational parameters (energy level, processing power, communication capability) against minimum requirements to determine eligibility for head role, ensuring service effectiveness while maintaining a structured selection process.
Solution Approach 2:
Nodes autonomously evaluate their own capabilities and make decisions about joining clusters or becoming heads based on their operational parameters. This self-service mechanism eliminates the need for complex centralized assignment while ensuring only capable nodes assume head responsibilities.
2Adaptability or versatility
If nodes continuously evaluate and update cluster membership, then network adaptability improves, but energy consumption increases
Solution Approach 1:
Instead of continuous evaluation, nodes perform capability assessments and membership updates at periodic intervals or when triggered by significant events (e.g., head failure, energy threshold crossing). This reduces unnecessary energy expenditure while maintaining network adaptability to changing conditions.
Solution Approach 2:
The cluster membership structure is dynamic, allowing nodes to join or leave based on their current operational parameters. The system adapts to changing node capabilities and network conditions through controlled reconfiguration events rather than continuous adjustment, balancing adaptability with energy efficiency.
3Reliability
If capability-based head selection is implemented, then service provision quality improves, but node decision complexity increases
Solution Approach 1:
The decision-making process is segmented into distinct evaluation stages: checking minimum energy requirements, assessing communication capability, evaluating processing power, and comparing with existing heads. This segmentation breaks down complex decisions into manageable steps that nodes can execute systematically.
Solution Approach 2:
The patent defines specific measurable parameters (energy level, processing power, communication capability) with minimum thresholds. Nodes compare their parameters against these predefined standards and against existing heads, transforming complex quality assessment into straightforward parameter comparison that maintains decision quality while reducing complexity.
Data Source
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AI summary
The invention relates to a method for joining a cluster of electronic communication devices (10, 10i). The invention also relates to any electronic device implementing said joining method and to any system comprising such a device. The latter advantageously comprises a processor (11), a data memory (12) including the value of an identifier (ID) specific to the device and a record (RH) including the current value (IDHc) of an identifier of a device acting as leader of the cluster and data (CH) indicating the capacity of the latter to take on a predetermined service (S). The device also includes a program memory (14) including instructions of a program (P) which causes the joining method to be implemented when executed or interpreted by the processor.