Research Article
Fault-Tolerant Relay Node Placement in Wireless Sensor Networks for Surveillance of Overhead Transmission Lines
Table 1
Frequently used notations.
| | Notation | Description | Notation | Description |
| | Relay node of wireless sensor network | | Cellular module for transmission | | Sensor data in pole | | Energy consumption for (.) | | Compare ratio for data | | Distance between a and b | | Time delay for (.) | | Set of relay nodes in group | | Transmission rate for (.) | | Time delay | | Coverage range for cellular module | | Frequency of occurred fault | | Magnetoelectric transducer in pole | | Solar panel in pole | | Magnetoelectric harvesting rate | | Solar charging rate | | . | Expense of equipment (.) | | Observation time | | Fault in pole | | Threshold for delay | | Time to repair in pole | | Time between failures in pole | | Vector for RN backup | | Vector for CM backup |
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