Search Results - "Quadratically constrained quadratic programming"

The Kreĭn-Šmul'jan theorem revisited by Gonzalez Zerbo, Santiago, Maestripieri, Alejandra, Martínez Pería, Francisco

“…We present a generalization of the Kreĭn-Šmul'jan theorem involving several operators: Given bounded selfadjoint operators A,B1,…,Bm acting on a Hilbert space…”
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Consensus-ADMM for General Quadratically Constrained Quadratic Programming by Kejun Huang, Sidiropoulos, Nicholas D.

“…Nonconvex quadratically constrained quadratic programming (QCQP) problems have numerous applications in signal processing, machine learning, and wireless…”
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ADMM-Based Fast Algorithm for Multi-Group Multicast Beamforming in Large-Scale Wireless Systems by Chen, Erkai, Tao, Meixia

“…Multi-group multicast beamforming in wireless systems with large antenna arrays and massive audience is investigated in this paper. Multicast beamforming…”
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New Designs on MVDR Robust Adaptive Beamforming Based on Optimal Steering Vector Estimation by Yongwei Huang, Mingkang Zhou, Vorobyov, Sergiy A.

“…The robust adaptive beamforming design problem based on estimation of the signal-of-interest (SOI) steering vector is considered in the paper. The common…”
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On the tightness of SDP relaxations of QCQPs by Wang, Alex L., Kılınç-Karzan, Fatma

“…Quadratically constrained quadratic programs (QCQPs) are a fundamental class of optimization problems well-known to be NP-hard in general. In this paper we…”
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Indefinite least squares with a quadratic constraint by Gonzalez Zerbo, Santiago, Maestripieri, Alejandra, Martínez Pería, Francisco

“…An abstract indefinite least squares problem with a quadratic constraint is considered. This is a quadratic programming problem with one quadratic equality…”
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Projectively and Weakly Simultaneously Diagonalizable Matrices and their Applications by Ding, Wentao, Li, Jianze, Zhang, Shuzhong

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Voltage Control for Distribution Networks via Coordinated Regulation of Active and Reactive Power of DGs by Hu, Xiong, Liu, Zhi-Wei, Wen, Guanghui, Yu, Xinghuo, Liu, Chen

“…Fast-acting reactive power support from distributed generations (DGs) is a promising approach for tackling rapid voltage fluctuations in distribution networks…”
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Power System State Estimation via Feasible Point Pursuit: Algorithms and Cramér-Rao Bound by Wang, Gang, Zamzam, Ahmed S., Giannakis, Georgios B., Sidiropoulos, Nicholas D.

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Exact semidefinite formulations for a class of (random and non-random) nonconvex quadratic programs by Burer, Samuel, Ye, Yinyu

“…We study a class of quadratically constrained quadratic programs (QCQPs), called diagonal QCQPs , which contain no off-diagonal terms x j x k for j ≠ k , and…”
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Multiparametric/explicit nonlinear model predictive control for quadratically constrained problems by Pappas, Iosif, Diangelakis, Nikolaos A., Pistikopoulos, Efstratios N.

“…Explicit model predictive control is an established methodology for the offline determination of the optimal control policy for linear discrete time-invariant…”
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Modulus Constrained Minimax Radar Code Design Against Target Interpulse Fluctuation by Xie, Zhuang, Xu, Zhou, Han, Sudan, Zhu, Jiahua, Huang, Xiaotao

“…In the presence of colored Gaussian disturbance, this paper considers the robust transmit code and receiver filter design against target interpulse fluctuation…”
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Semidefinite representable reformulations for two variants of the trust-region subproblem by Kelly, Sarah, Ouyang, Yuyuan, Yang, Boshi

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A Novel Quadratically Constrained Quadratic Programming Method for Optimal Coordination of Directional Overcurrent Relays by Papaspiliotopoulos, Vasileios A., Korres, George N., Maratos, Nicholas G.

“…The coordination of directional overcurrent relays (DOCRs) in meshed power grids with multiple sources is a constrained optimization problem, which has been…”
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Robust Adaptive Beamforming Based on Steering Vector Estimation With as Little as Possible Prior Information by Khabbazibasmenj, Arash, Vorobyov, S. A., Hassanien, A.

“…A general notion of robustness for robust adaptive beamforming (RAB) problem and a unified principle for minimum variance distortionless response (MVDR) RAB…”
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A tight compact quadratically constrained convex relaxation of the Optimal Power Flow problem by Lambert, Amélie

“…In this paper, we consider the Optimal Power Flow (OPF) problem which consists in determining the power production at each bus of an electric network by…”
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Pareto-Optimal Multimetric Model Extraction for Digital Predistortion of RF Power Amplifiers for Error Spectrum Redistribution by Yin, Hang, Zhu, Anding

“…In complex spectrum coordination scenarios in wireless communications, different frequency regions may have distinct linearity requirements. Digital…”
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A block Lanczos method for the symmetric generalized eigenvalue complementarity problem by Gong, Ziche, Lei, Yuan, Cao, Chengwen, Gong, Guangcai

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Time-of-Use Tariff Design Under Uncertainty in Price-Elasticities of Electricity Demand: A Stochastic Optimization Approach by de Sa Ferreira, Rafael, Barroso, Luiz Augusto, Rochinha Lino, Priscila, Carvalho, Martha Martins, Valenzuela, Paula

“…Time-of-use (ToU) electricity tariffs are currently employed or considered for implementation in many jurisdictions around the world. In ToU modalities, a set…”
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Response Vector Constrained Robust LCMV Beamforming Based on Semidefinite Programming by Xu, Jingwei, Liao, Guisheng, Zhu, Shengqi, Huang, Lei

“…Although linearly constrained minimum variance (LCMV) beamforming is robust against imprecise target information, it usually leads to relatively high sidelobe…”
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