The 3-path energy routing can be identified as left-right- direct scenario, where the left and right paths are 2-hop and the direct path IV. 1(b), only the left intermediate node is present, whereas in the right-direct scenario, only the right intermediate node is present in the set- up. In the left-direct scenario, out of 2 intermediate nodes in Fig. We considered two variations of 2-path energy routing, namely, left-direct and right-direct scenarios.
It should be noted that the intermediate nodes (left and right) are not part of the set-up for the DET case. Moreover, here we are using 1 dBi omnidirectional antenna at the end node so that it can receive power efficiently from all directions, which is required in this case because the distance between the end node and the intermediate node has been kept larger to avoid any blocking. For more details related to mote programming, the reader may refer to our previous work. For efficient RFET, the Mica2 mote has been programmed to transmit packets continuously one after the other during the ON state. It should be noted that the energy router can harvest and also transmit energy at the same time as it has two antennae one for harvesting energy and the other for transmission. This transmission is discontinuous as compared to the continuous transfer of energy from the RF source due to the continuous charging (OFF or no transmission state) and discharging (ON or transmission state) of the super-capacitor. the form of data packets sent via the +6 dBi antenna by the Mica2 mote.
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