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Exponential hierarchy

Known as: EH, EXPH 
In computational complexity theory, the exponential hierarchy is a hierarchy of complexity classes, which is an exponential time analogue of the… Expand
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Papers overview

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Highly Cited
2017
Highly Cited
2017
In this paper, we consider a multiple-input multiple-output wireless powered communication network, where multiple users harvest… Expand
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Highly Cited
2015
Highly Cited
2015
Simultaneous wireless information and power transfer (SWIPT) is a promising solution to increase the lifetime of wireless nodes… Expand
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Highly Cited
2015
Highly Cited
2015
In this letter, we propose a practical non-linear energy harvesting model and design a resource allocation algorithm for… Expand
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Highly Cited
2015
Highly Cited
2015
We consider wireless-powered amplify-and-forward and decode-and-forward relaying in cooperative communications, where an energy… Expand
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Highly Cited
2014
Highly Cited
2014
Energy harvesting (EH) from ambient radio-frequency (RF) electromagnetic waves is an efficient solution for fully autonomous and… Expand
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Highly Cited
2014
Highly Cited
2014
We consider a multiuser multiple-input single-output interference channel where the receivers are characterized by both quality… Expand
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Highly Cited
2013
Highly Cited
2013
This paper considers the use of energy harvesters, instead of conventional time-invariant energy sources, in wireless cooperative… Expand
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Highly Cited
2013
Highly Cited
2013
Energy harvesting (EH) has recently emerged as a promising technique for green communications. To realize its potential… Expand
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Highly Cited
2010
Highly Cited
2010
The use of energy harvesting (EH) nodes as cooperative relays is a promising and emerging solution in wireless systems such as… Expand
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Highly Cited
2006
Highly Cited
2006
Abstract-This paper presents a novel stochastic channel model for multiple-input multiple-output (MIMO) wireless radio channels… Expand
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