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Fig. 3 | EURASIP Journal on Wireless Communications and Networking

Fig. 3

From: Hybrid energy-efficient APTEEN protocol based on ant colony algorithm in wireless sensor network

Fig. 3

Flow of the ADCAPTEEN protocol. The generated random number is compared with the formula threshold to determine MCH. The non-MCH node sends a join request to the MCH with the strongest received signal to become the cluster CM. Nodes are divided dynamically into several clusters. A virtual link between the MCH and the CMs is established. MCH selects the CM node with the largest pheromone concentration on the link as VCH. Once VCH is selected, it will not change until it enters the next round. CM sends the sensed data to MCH in its allocated TDMA slot. When MCH receives the data from all the CMs, it collects and aggregates data and sends the merging message to VCH which receives and transmits the merging message to far sink node

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