Research Article
VCH-ECCR: A Centralized Routing Protocol for Wireless Sensor Networks
| Variable name | Description |
| ET,X(k,d) | Energy required to transmit k bits at distance d. | ER(k) | Energy required to receive k bits. | Eelec | Energy required to run transceiver circuitry. | εfs | The free space energy loss. | εmp | The multipath energy loss. | n | Total number of sensors. | nalive | Total number of alive sensors. | Er(i) | Residual energy of ith sensor. | Emax | Initial maximum energy of a sensor node. | | Distance of the nearest node to the BS. | M | Side-length of M × M deployment area. | NCH | Desired number of CHs. | C(c) | cth cluster where c:1, 2, … , NCH. | NC(c) | Total numbers of members in cluster C(c). | Eavg (C(c)) | Average node energy in cluster C(c). | ANDCenC(c) | Average node distance in cth cluster from its centroid. | DCen(j) | Distance of jth member node from the cluster centroid. |
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