Journal ArticleDOI
Robust Resource Allocation and Power Splitting in SWIPT Enabled Heterogeneous Networks: A Robust Minimax Approach
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TLDR
A robust power allocation and power splitting problem for downlink simultaneous wireless information and power transfer (SWIPT)-enabled HetNets is considered and the effectiveness of the proposed algorithm is demonstrated by simulation results from the perspective of EE and robustness.Abstract:
Heterogeneous network (HetNet) with energy harvesting is a promising technique to provide perpetual power supplies and ubiquitous coverage as well as high data rate for next-generation wireless communications. In this article, we consider a robust power allocation and power splitting (PS) problem for downlink simultaneous wireless information and power transfer (SWIPT)-enabled HetNets. The robust energy-efficiency (EE) maximization problem of femtocell users (FUs) is formulated under the outage-probability interference power constraint of macrocell user (MU), the maximum allowable transmission power of FU, and the EE-based outage constraint of each FU. The originally fractional optimization problem with the probabilistic constraint is NP-hard and difficult to solve. Without knowing the distribution of uncertain parameters, a min–max probability machine approach is first introduced to convert the semi-infinite optimization problem into a deterministic one which is transformed into a deterministic convex one by using the Dinkelbach method and the quadratic transformation approach. An iterative power allocation and PS scheme is obtained based on convex optimization methods. Finally, the effectiveness of the proposed algorithm is demonstrated by simulation results from the perspective of EE and robustness.read more
Citations
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Resource and Power Allocation in SWIPT-Enabled Device-to-Device Communications Based on a Nonlinear Energy Harvesting Model
TL;DR: This article proposes a prematching algorithm to divide the D2D links into a SWIPT-enabled group and a non-EH group that cannot meet the EH circuit sensitivity, and develops a two-layer iterative algorithm to jointly optimize the D1D transmission power and the power splitting ratio to maximize the EE.
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Robust Resource Allocation Algorithm for Energy-Harvesting-Based D2D Communication Underlaying UAV-Assisted Networks
TL;DR: A robust EE maximization problem with channel uncertainties and coordinate uncertainties is formulated for an energy harvesting-based device-to-device underlaying UAV-assisted network under some necessary constraints, which involve the outage probability constraints of ground terminals, the flight altitude constraint of the UAV, the minimum harvested energy constraints of D2D users, and the transmission time constraint.
References
More filters
Journal ArticleDOI
On Nonlinear Fractional Programming
TL;DR: In this paper, an algorithm for fractional programming with nonlinear as well as linear terms in the numerator and denominator is presented. But the algorithm is based on a theorem by Jagannathan Jagannathy, R. 1966.
Journal ArticleDOI
Energy Harvesting From Human and Machine Motion for Wireless Electronic Devices
TL;DR: The principles and state-of-art in motion-driven miniature energy harvesters are reviewed and trends, suitable applications, and possible future developments are discussed.
Journal ArticleDOI
Simultaneous wireless information and power transfer in modern communication systems
Ioannis Krikidis,Stelios Timotheou,Symeon Nikolaou,Gan Zheng,Derrick Wing Kwan Ng,Robert Schober +5 more
TL;DR: An overview of SWIPT systems with a particular focus on the hardware realization of rectenna circuits and practical techniques that achieveSWIPT in the domains of time, power, antennas, and space is provided.
Journal ArticleDOI
Fractional Programming for Communication Systems—Part I: Power Control and Beamforming
Kaiming Shen,Wei Yu +1 more
TL;DR: In this article, a quadratic transform technique is proposed for solving the multiple-ratio concave-convex FP problem, where the original nonconveX problem is recast as a sequence of convex problems.
Journal ArticleDOI
Robust Beamforming for Secure Communication in Systems With Wireless Information and Power Transfer
TL;DR: In this article, the authors studied the design of a resource allocation algorithm minimizing the total transmit power for the case when the legitimate receivers are able to harvest energy from radio frequency signals and proposed a suboptimal resource allocation scheme with low computational complexity for providing communication secrecy and facilitating efficient energy transfer.