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The Warning Energy Aware Clusterhead

This document presents the WEAC Infrastructure Creation Protocol, which focuses on managing energy levels among nodes in a network. It outlines the classifications of nodes, including designated clusterheads and free nodes, and the criteria for merging requests based on energy thresholds. The protocol emphasizes gateway selection using methods that prioritize either the least number of neighbors or the highest energy level. Additionally, it discusses the responsibilities of clusterheads in managing merge requests, warning thresholds, and communication with subordinate nodes to ensure efficient energy utilization.

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The Warning Energy Aware Clusterhead

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  1. The Warning Energy Aware Clusterhead Tarek Sheltami KFUPM CCSE COE

  2. WEAC Infrastructure Creation Protocol • Nodes Classifications: • myCH = 0  Clusterhead • myCH = -1  Free node • myCH > 0  Zone_MT

  3. WEAC Infrastructure Creation Protocol (Cont’d) BPL < THRESHOLD_1 BPL > THRESHOLD_1 Merge Accpt. Merge REQ 20 5 myCH = 0 myCH = -1 myCH = 20 myCH = -1 An MT sends a merge-request message to another MT if the latter has a higher energy level and it should be > Threshold_1

  4. WEAC Infrastructure Creation Protocol (Cont’d)

  5. WEAC Infrastructure Creation Protocol (Cont’d)

  6. WEAC Infrastructure Creation Protocol (Cont’d)

  7. Broadcasting The Neighbor List

  8. Selecting Gateways • The least number of neighbors method • The highest energy level method • The Gateway Selection Algorithm

  9. An MT is eligible to be a clusterhead and willing to accept other MTs to be under its supervision if these MTs have a lower BPL Return

  10. An MT ignores any merge request messages that are sent to it by other MTs. However, if the MT is serving as a clusterhead, it will remain a clusterhead Return

  11. If an MT is serving as a clusterhead, it set its warningThreshold flag to true, informing its zone_MTs to look for another clusterhead, nonetheless, they can remain with it till its BPL drains down to THRESHOLD_3 Return

  12. An MT ignores any merge request messages and will send iAmNoLongerYourCH message to all the nodes under its supervision, if it was serving other nodes Return

  13. The Gateway Selection Algorithm Return

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