@INPROCEEDINGS{8057017, author={H. {Dai} and X. {Wang} and A. X. {Liu} and H. {Ma} and G. {Chen}}, booktitle={IEEE INFOCOM 2017 - IEEE Conference on Computer Communications}, title={Optimizing wireless charger placement for directional charging}, year={2017}, volume={}, number={}, pages={1-9}, keywords={approximation theory;computational complexity;greedy algorithms;inductive power transmission;optimisation;set theory;approximation algorithm;Dominating Coverage Set extraction method;directional charging;Wireless Power Transfer technology;reliability;wireless charger placement and optimized charging utility;wireless charger PLOT;nonlinear charging power approximation;matroid constraint;monotone submodular function;Wireless communication;Wireless sensor networks;Approximation algorithms;Conferences;Greedy algorithms;Performance evaluation;Reliability}, doi={10.1109/INFOCOM.2017.8057017}, ISSN={}, month={May},}