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Browsing Научные публикации в Scopus by Author "Laitinen E."

Now showing items 1-20 of 26

A cooperative multihop radio resource allocation in next generation networks

Suliman I.; Oppermann I.; Bräysy T.; Konnov I.; Laitinen E. (2005)

With the objectives of improving 3G networks coverage by using relaying nodes, a game theoretic approach to radio resource allocation for the downlink capacity is introduced. One of the basic issues not examined in the ...
A Simple Dual Decomposition Method for Resource Allocation in Telecommunication Networks

Konnov I.; Kashuba A.; Laitinen E. (2016)

© 2016 The Authors, published by EDP Sciences.We consider a problem of optimal resource allocation in a wireless communication network divided into zones (clusters). The network manager aims to distribute some homogeneous ...
Application of proximal point method to the problem of allocation of arcs in telecommunication networks

Konnov I.V.; Kashuba A.Y.; Laitinen E. (2021)

In the paper we consider the problem of allocation of network resources in telecommunication networks with respect to both utility and reliability goals. We suggest a solution method based on a proximal point method for ...
Application of the conditional gradient method to resource allocation in wireless networks

Konnov I.; Kashuba A.; Laitinen E. (2016)

© 2016, Pleiades Publishing, Ltd.We propose a new two-level iterative method for solution of a general problem of optimal allocation of a homogeneous resource (bandwidth) in a wireless communication network. It is divided ...
Asynchronous domain decomposition methods for continuous casting problem

Laitinen E.; Lapin A.; Pieskä J. (2003)

Two asynchronous domain decomposition methods (which appear to be a two-stage Schwarz alternating algorithms) to solve the finite difference schemes approximating dynamic continuous casting problem are theoretically and ...
Dual decomposition scheme for resource allocation problem in networks with moving nodes

Konnov I.; Kashina O.; Laitinen E. (2012)

We consider a two-level, two criteria, optimization problem of resource allocation in communication networks, which consists of maximizing the total network utility, i.e., the fee paid by the consumers, and minimizing the ...
Dual methods for optimal allocation of total network resources

Konnov I.; Kashuba A.; Laitinen E. (2016)

© 2016, North Atlantic University Union NAUN. All rights reserved.We consider a general problem of optimal allocation of a homogeneous resource (bandwidth) in a wireless communication network, which is decomposed into ...
Easily implementable iterative methods for variational inequalities with nonlinear diffusion-convection operator and constraints to the gradient of solution

Laitinen E.; Lapin A.; Lapin S. (2015)

© 2015, walter de gruyter gmbh. All rights reserved. New iterative solution methods are proposed for the finite element approximation of a class of variational inequalities with nonlinear diffusion-convection operator and ...
Efficient Iterative Method for Solving Optimal Control Problem Governed by Diffusion Equation with Time Fractional Derivative

Lapin A.; Laitinen E. (2019)

© 2019, PJeiades Publishing, Ltd. We solve finite-difference approximations of a linear-quadratic optimal control problem governed by Dirichlet boundary value problem with fractional time derivative. The state equation of ...
Explicit algorithms to solve a class of state constrained parabolic optimal control problems

Lapin A.; Laitinen E.; Lapin S. (2015)

© 2015 by Walter de Gruyter Berlin/Boston. We consider an optimal control problem of a system governed by a linear parabolic equation with the following features: control is distributed, observation is either distributed ...
Inexact Partial Linearization Methods for Network Equilibrium Problems

Konnov I.V.; Laitinen E.; Pinyagina O.V. (2020)

© 2020, Pleiades Publishing, Ltd. We propose some simplified modifications of the partial linearization method for network equilibrium problems with mixed demand. In these modifications, the auxiliary direction choice ...
Iterative methods and parallel solution of the dam problem

Laitinen E.; Lapin A.; Pieskä J. (2001)

A free boundary problem of fluid flow in the porous medium is considered. A finite difference scheme is constructed and written in the form of the inclusion for the sum of several multi-valued operators. The study of this ...
Iterative solution methods for variational inequalities with nonlinear main operator and constraints to gradient of solution

Laitinen E.; Lapin A.; Lapin S. (2012)

Convergence of the preconditioned Uzawa-type and Arrow-Hurwitz-type iterative methods for nonlinear finite dimensional constrained saddle point problems is investigated. The general results are applied to the finite element ...
Large splitting iterative methods and parallel solution of variational inequalities

Laitinen E.; Lapin A.; Pieskä J. (2001)

Splitting iterative methods for the sum of maximal monotone and single-valued monotone operators in a finite-dimensional space are studied: convergence, rate of convergence and optimal iterative parameters are derived. A ...
Non-overlapping domain decomposition method for a variational inequality with gradient constraints

Lapin A.; Laitinen E.; Lapin S. (2016)

© Published under licence by IOP Publishing Ltd.Non-overlapping domain decomposition method is applied to a variational inequality with nonlinear diffusion-convection operator and gradient constraints. The method is based ...
On 3D dynamic control of secondary cooling in continuous casting process

Dautov R.; Kadyrov R.; Laitinen E.; Lapin A.; Pieskä J.; Toivonen V. (2004)

In this paper a 3D-model for simulation and dynamic control of the continuous casting process is presented. The diffusion convection equation with multiphase transition is used as a simulation model. The developed model ...
Optimisation problems for control of distributed resources

Konnov I.; Kashina O.; Laitinen E. (2011)

We consider a two-level optimisation problem of resource allocation in communication networks, which is based on profit maximisation of the network subject to capacity constraints. The cost function of the upper level ...
Optimization of wireless networks performance: An approach based on a partial penalty method

Konnov I.; Kashina O.; Laitinen E. (2017)

© 2017, North Atlantic University Union. All rights reserved.We study an optimization problem for a wireless telecommunication network stated as a generalized transportation problem (TP), where m (the number of “sellers”) ...
Optimization problems for control of distributed resources

Konnov I.; Kashina O.; Laitinen E. (2009)

We consider a two-level optimization problem of resource allocation in communication networks, which is based on profit maximization of the network subject to capacity constraints. The cost function of the upper level ...
Optimization problems for distribution of resources in spatial systems

Konnov I.; Kashina O.; Laitinen E. (2009)

We consider a problem of optimal allocation of a homogeneous resource in spatially distributed systems such as communication networks, where both utilities of consumers and network expenses must be taken into account. This ...

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Browsing Научные публикации в Scopus by Author "Laitinen E."

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