Parisa Ramezani

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With the ever-increasing speed of technological advances, more and more objects are being connected to the Internet every day and the world is moving toward the next generation of the Internet, the so called Internet of Things (IoT). However, numerous challenges need to be addressed for the widespread adoption of the IoT paradigm. Energy scarcity is one of(More)
In this paper, we study a dual-hop wireless powered communication network, where the communication between a hybrid access point (HAP) and a number of users is assisted by energy-constrained relays, which need to harvest energy from radio-frequency (RF) signals broadcast by the HAP. In order to power the relays for assisting the uplink communication, the(More)
Wireless Sensor Networks (WSNs) have been weaved into the fabric of our daily lives. The foremost impediment in the rapid development of these networks is the energy limitation which inhibits them from meeting specific application requirements. Recently, the advances in energy harvesting technology have made it possible to replenish the energy of sensors(More)
This paper considers a dual-hop wireless powered communication network (DH-WPCN), where the communication between a hybrid access point (HAP) and a number of users is assisted by energy-limited relays. In order to power relays for assisting the communication, the HAP broadcasts a dedicated energy signal in the downlink. Each relay harvests energy from this(More)
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