Browsing Τμήμα Ηλεκτρολόγων Μηχανικών και Μηχανικών Υπολογιστών / Department of Electrical and Computer Engineering by Subject "Fading channels"
Now showing items 1-18 of 18
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Article
Control of continuous-time linear Gaussian systems over additive Gaussian wireless fading channels: A separation principle
(2008)This note is concerned with the control of continuous-time linear Gaussian systems over additive white noise wireless fading channels subject to capacity constraints. Necessary and sufficient conditions are derived, for ...
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Conference Object
Ergodic capacity under channel distribution uncertainty
(Institute of Electrical and Electronics Engineers Inc., 2014)The impact of channel distribution uncertainty on the performance of fading channels is studied. The compound capacity of a class of ergodic fading channels subject to channel distribution uncertainty is obtained, for ...
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Conference Object
Estimation and identification of time-varying long-term fading channels via the particle filter and the em algorithm
(2011)In this paper, we are concerned with the estimation and identification of time-varying wireless longterm fading channels. The dynamics of the fading channels are captured using a mean-reverting linear stochastic differential ...
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Conference Object
Estimation and identification of time-varying long-term fading wireless channels with application to power control
(Institute of Electrical and Electronics Engineers Inc., 2007)This paper is concerned with modeling of time-varying wireless fading channels, parameter estimation, identification, and optimal power control from received signal measurements. Wireless channels are represented by ...
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Conference Object
A general framework for continuous time power control in time varying long term fading wireless networks
(2007)In this paper, a general framework for continuous time power control algorithm under time varying long term fading wireless channels is developed. This contrasts most of the power control algorithms introduced in the ...
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Conference Object
General non-stationary models for short-term and long-term fading channels
(Institute of Electrical and Electronics Engineers Inc., 2000)This paper discusses the use of stochastic differential equations to model signal envelope variations over large areas, which are subject to long-term fading effects from the transmitter to local areas, followed by short-term ...
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Article
Joint preprocessing and feedback strategies for perfectly reconstructing equalizers
(2008)In this paper we consider the transmission of discrete-valued data via a communication channel that is subject to (additive) noise with a known upper bound on its magnitude but otherwise completely unrestricted and unknown ...
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Conference Object
Least-Square estimation for nonlinear systems with applications to phase and envelope estimation in wireless fading channels
(2008)This paper addresses the problem of nonlinear Least-Square estimation. A new approach is presented which employees a change of probability measure technique to derive recursive equations for conditional means of nonlinear ...
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Article
Modeling wireless fading channels via stochastic differential equations: Identification and estimation based on noisy measurements
(2008)This paper is concerned with modeling and identification of wireless channels using noisy measurements. The models employed are governed by Stochastic Differential Equations (SDEs) in state space form, while the identification ...
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Conference Object
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Conference Object
Outage probability under channel distribution uncertainty
(2011)Outage probability of a class of block-fading (MIMO) channels is considered under channel distribution uncertainty, when the channel or its distribution are not known but the latter is known to belong to a class of ...
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Conference Object
Position and velocity tracking in cellular networks using particle and Kalman filtering with comparison
(2006)This paper presents two methods for tracking a User based on Aulin's Wave scattering channel model. The first method is based on the extended Kalman Alter approach, while the second method is based on the particle Alter ...
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Conference Object
Probabilistic QoS measures for optimal power control in fading channels
(2007)In this paper, we focus on computing the outage probability by allocating optimal transmitting powers when the system has a large number of transmitter-receiver pairs and each mobile has an enlarged margin of SIR. By ...
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Conference Object
Robust estimation with applications to phase and envelope estimation in frequency selective wireless fading channels
(2008)This paper derives robust niiniinax estimators for a class of uncertain models. The uncertainty is described by a relative entropy constraint between the unknown joint distribution and a fixed nominal joint distribution. ...
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Article
Statistical analysis of multipath fading channels using generalizations of shot noise
(2008)This paper provides a connection between the shot-noise analysis of Rice and the statistical analysis of multipath fading wireless channels when the received signals are a low-pass signal and a bandpass signal. Under certain ...
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Article
Stochastic differential equations for modeling, estimation and identification of mobile-to-mobile communication channels
(2009)Mobile-to-mobile networks are characterized by node mobility that makes the propagation environment time varying and subject to fading. As a consequence, the statistical characteristics of the received signal vary continuously, ...
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Conference Object
Stochastic power control for time-varying flat fading wireless channels
(2005)The performance of stochastic optimal power control of time-varying wireless short-term flat fading channels, in which the evolution of the dynamical channel is described by a stochastic state space representation, is ...
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Conference Object
Time varying channel modeling for ad-hoc mobile wireless networks
(2006)Due to nodes mobility and environmental changes in mobile ad-hoc networks, the ad-hoc channel is time varying and subject to fading. As a consequence of these variations, the statistical characteristics of the received ...