Table 1.
Summary of related work.
Fig 1.
Smart irrigation based WSN system model.
Fig 2.
Adaptive pre-coded OFDM-based WSNs architecture.
Table 2.
The Pre-GPA algorithm operation.
Table 3.
Parameters used in simulation and their values.
Fig 3.
Throughput versus SNR for proposed and conventional power allocation algorithms.
Fig 4.
Normalized allocated power against SNR for proposed and conventional power allocation algorithms.
Fig 5.
Performance comparison in terms of throughput versus number of sensor nodes.
Fig 6.
Energy efficiency comparison versus number of sensor nodes.
Fig 7.
Performance comparison in terms of network lifetime against number of sensor nodes.
Table 4.
Comparison of performance metrics for proposed and existing algorithms.
Table 5.
The computational complexity of each algorithm.
Fig 8.
The computational complexity comparison of the considered algorithms.