Mobile delay‐tolerant networks with energy‐harvesting and wireless energy transfer cooperation

Author(s):  
Omar Ait Oualhaj ◽  
Abdellatif Kobbane ◽  
Jalel Ben‐Othman
Author(s):  
Aya Mabrouki ◽  
Mohamed Latrach

This chapter proposes an overview of microwave energy harvesting with focuses on the design of high efficiency low power rectifying circuits. A background survey of RF energy harvesting techniques is presented first. Then, the performances of conventional rectifier topologies are analyzed and discussed. A review of the most efficient rectenna designs, from the state of the art, is also presented. Design considerations for low power rectifier operations are detailed and new high efficient rectifying circuits are designed and evaluated in both GSM and ISM bands under low power constraints.


2015 ◽  
Vol 33 (3) ◽  
pp. 357-359 ◽  
Author(s):  
Sennur Ulukus ◽  
Elza Erkip ◽  
Pulkit Grover ◽  
Kaibin Huang ◽  
Osvaldo Simeone ◽  
...  

2018 ◽  
Vol 56 (6) ◽  
pp. 698
Author(s):  
Kieu Vu Thang ◽  
Nguyen Thanh Tung ◽  
Ewald Janssens

Superlens imaging has been known as one of the most intriguing applications of metamaterials due to its capability of sub-wavelength imaging. In this report, we numerically demonstrate the possibility to make an amplifying superlens, which can focus and consequently enhance electromagnetic signals emitted at GHz frequencies. Simulations using the finite integration technique are performed to explore the amplifying mechanism of the proposed superlens. It is found that the focused signals can be considerably intensified at a selected position. The results show potential uses of metamaterial superlenses for future wireless energy transfer devices and novel energy harvesting applications.


2013 ◽  
Vol 11 ◽  
pp. 882-894 ◽  
Author(s):  
Izzul Fahmi Zambari ◽  
Chiah Yi Hui ◽  
Ramizi Mohamed

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