(Free) DLP : Self-powered Wireless Networks | 25 July 2015

EEE Malaysia Communications Society and Vehicular Technology Society Joint Chapter (ComVT) would like to invite all members to

Talk : Self-powered Wireless Networks
Date:  25th July 2015 (Saturday)
Time: 9.30 – 11.30AM
Venue: Meeting Room, Academic Building, Faculty of Engineering & Built Environment, Universiti Kebangsaan Malaysia (UKM).

Abstract: Simultaneous wireless information and power transfer (SWIPT) has recently drawn significant interests for its dual use of radio signals to provide wireless data and energy access at the same time. However, a challenging secrecy communication problem arises in the SWIPT system since the messages sent to information receivers (IRs) may be eavesdropped by energy receivers (ERs), which are presumed to receive energy from the same signals broadcast by the transmitter. To tackle this problem, an artificial noise (AN) aided transmission scheme will be presented to facilitate the secrecy information transmission to IRs and yet meet the energy harvesting requirement for ERs, under the assumption that the AN can be cancelled at IRs but not at ERs. The formulated problem is shown to be non-convex, for which an efficient algorithm based on alternating optimization will be presented.

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