Research Article
Mobile Base Station and Clustering to Maximize Network Lifetime in Wireless Sensor Networks
Table 1
Definitions of the main symbols used throughout the paper.
| | Symbol | Description |
| | Data gathering delay: time available for a mobile BS tour | | Transmission range of a sensor node | | Maximum allowable length of the mobile BS tour, | | Actual length of the mobile BS tour | | Length of the mobile BS tour connecting cluster centroids | | , | Average and maximum speed of the mobile BS, respectively | | Packets request time, from data request to receiving the first data packet | | Packet time: average time required to transmit a data packet to the BS | | Contact time | | Residual contact time | | Total time to send data of the cluster nodes to the BS () | | Radius of the network field | | Network nodes | | Number of the clusters | | Number of nodes in a cluster | | Number of nodes the cluster head can successfully send their data to the BS | | Number of packet losses |
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