Browsing AURA by Author "Pätzold, Matthias"
Now showing items 1-20 of 36
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A geometrical three-ring-based model for MIMO mobile-to-mobile fading channels in cooperative networks
Talha, Batool; Pätzold, Matthias (Journal article; Peer reviewed, 2011)This paper deals with the modeling and analysis of narrowband multiple-input multiple-output (MIMO) mobile-to-mobile (M2M) fading channels in relay-based cooperative networks. In the transmission links from the source ... -
An exact solution for the level-crossing rate and the average duration of fades of the envelope of sum-of-cisoids processes
Pätzold, Matthias; Castillo, Javier Vázquez; Gutiérrez, Carlos A.; Michel, Ramón Parra (Journal article; Peer reviewed, 2012)Sum-of-cisoids (SOC) processes provide a physically and numerically appealing framework for the modelling and simulation of a wide class of mobile radio channels. This paper is concerned with the problem of finding a general ... -
Classes of sum-of-cisoids processes and their statistics for the modeling and simulation of mobile fading channels
Hogstad, Bjørn Olav; Gutiérrez, Carlos A.; Pätzold, Matthias; Crespo, Pedro M. (Journal article; Peer reviewed, 2013)In this paper, we present a fundamental study on the stationarity and ergodicity of eight classes of sum-of-cisoids (SOC) processes for the modeling and simulation of frequency-nonselective mobile Rayleigh fading channels. ... -
Design and Simulation of Narrowband Indoor Radio Propagation Channels under LOS and NLOS Propagation Conditions
Ma, Yuanyuan; Pätzold, Matthias (Chapter; Peer reviewed, 2010)This paper deals with the design and simulation of narrowband indoor propagation channels under line-of-sight (LOS) and non-LOS (NLOS) propagation conditions. We propose a reference channel model assuming that the scatterers ... -
The Design of Sum-of-Cisoids Rayleigh Fading Channel Simulators Assuming Non-Isotropic Scattering Conditions
Gutiérrez, Carlos A.; Pätzold, Matthias (Journal article; Peer reviewed, 2010)n this letter, we introduce the Riemann sum method (RSM) as an effective tool for the design of sum-of-cisoids (SOC) simulators for narrowband mobile Rayleigh fading channels under non-isotropic scattering conditions. We ... -
Design of wideband MIMO car-to-car channel models based on the geometrical street scattering model
Avazov, Nurilla; Pätzold, Matthias (Journal article; Peer reviewed, 2012)We propose a wideband multiple-input multiple-output (MIMO) car-to-car (C2C) channel model based on the geometrical street scattering model. Starting from the geometrical model, a MIMO reference channel model is derived ... -
Exact closed-form expressions for the distribution, the level-crossing rate, and the average duration of fades of the capacity of OSTBC-MIMO channels
Hogstad, Bjørn Olav; Pätzold, Matthias; Youssef, Neji; Kontorovitch, Valeri (Journal article; Peer reviewed, 2009)This paper deals with some important statistical properties of the channel capacity of multiple-input-multiple-output (MIMO) systems with orthogonal space-time block code (OSTBC) transmission. We assume that all the ... -
An Exact Solution for the Level-Crossing Rate of Shadow Fading Processes Modelled by Using the Sum-of-Sinusoids Principle
Pätzold, Matthias; Yang, Kun (Journal article; Peer reviewed, 2010)The focus of this paper is on the higher order statistics of spatial simulation models for shadowing processes. Such processes are generally assumed to follow the lognormal distribution. The proposed spatial simulation ... -
A Geometrical Channel Model for MIMO Mobile-to-Mobile Fading Channels in Cooperative Networks
Talha, Batool; Pätzold, Matthias (Journal article; Peer reviewed, 2009)This paper deals with the modeling and analysis of narrowband multiple-input multiple-output (MIMO) mobile-to-mobile (M2M) fading channels in relay-based cooperative networks. Non-line-of-sight (NLOS) propagation conditions ... -
The Impact of Fixed and Moving Scatterers on the Statistics of MIMO Vehicle-to-Vehicle Channels
Chelli, Ali; Pätzold, Matthias (Journal article; Peer reviewed, 2009)In this paper, we study the impact of fixed and moving clusters of scatterers on the statistics of multiple- input multiple-output (MIMO) vehicle-to-vehicle (V2V) channels. Double-bounce scattering is assumed for fixed ... -
The influence of LOS components on the statistical properties of the capacity of amplify-and-forward channels
Rafiq, Gulzaib; Pätzold, Matthias (Journal article; Peer reviewed, 2009)Amplify-and-forward channels in cooperative networks provide a promising improvement in the network coverage and system throughput. Under line-of-sight (LOS) propagation conditions in such cooperative networks, the overall ... -
The influence of severity of fading on the statistical properties of the capacity of Nakagami-m channels with MRC and EGC
Rafiq, Gulzaib; Kontorovich, Valeri; Pätzold, Matthias (Academic article, 2010)In this article, we have studied the statistical properties of the capacity of Nakagami-m channels when spatial diversity combining, such as maximal ratio combining (MRC) and equal gain combining (EGC), is employed at the ... -
Level-crossing rate and average duration of fades of the envelope of mobile-to-mobile fading channels in K-parallel dual-hop relay networks
Talha, Batool; Pätzold, Matthias (Chapter; Peer reviewed, 2009)This paper studies the fading behavior of narrowband mobile-to-mobile (M2M) fading channels in dual-hop distributed cooperative multi-relay systems under non-line-of-sight (NLOS) propagation conditions. M2M fading channels ... -
Mobile-to-mobile fading channels in amplify-and-forward relay systems under line-of-sight conditions: statistical modeling and analysis
Talha, Batool; Pätzold, Matthias (Journal article; Peer reviewed, 2010)This paper deals with the modeling and analysis of narrowband mobile-to-mobile (M2M) fading channels for amplify-and-forward relay links under line-of-sight (LOS) conditions. It is assumed that a LOS component exists in ... -
Mobile-to-mobile fading channels in amplify-and-forward relay systems under line-of-sight conditions: statistical modeling and analysis
Talha, Batool; Pätzold, Matthias (Journal article; Peer reviewed, 2010)This paper deals with the modeling and analysis of narrowband mobile-to-mobile (M2M) fading channels for amplify-and-forward relay links under line-of-sight (LOS) conditions. It is assumed that a LOS component exists in ... -
New super-orthogonal space-time trellis codes using differential M-PSK for noncoherent mobile communication systems with two transmit antennas
Sterian, Corneliu Eugen D.; Ma, Yuanyuan; Pätzold, Matthias; Banica, Ion; He, Huaqiang (Journal article; Peer reviewed, 2011)In this paper, we develop super-orthogonal space-time trellis codes (SOSTTCs) using differential binary phase-shift keying, quadriphase-shift keying and eight-phase shift keying for noncoherent communication systems with ... -
A non-stationary MIMO vehicle-to-vehicle channel model based on the geometrical T-junction model
Chelli, Ali; Pätzold, Matthias (Chapter; Peer reviewed, 2009)In this paper, we derive a non-stationary multiple-input multiple-output (MIMO) vehicle-to-vehicle (V2V) channel model from the geometrical T-junction model. The propagation environment is assumed to be extremely non-isotropic. ... -
On the correlation and ergodic properties of the squared envelope of SOC Rayleigh fading channel simulators
Gutiérrez, Carlos A.; Pätzold, Matthias (Journal article; Peer reviewed, 2012)In this paper, we investigate the correlation and ergodic properties of the squared envelope of a class of autocorrelation-ergodic (AE) sum-of-cisoids (SOC) simulation models for mobile Rayleigh fading channels. Novel ... -
On the problems of symbol-spaced tapped-delay-line models for WSSUS channels
Gutiérrez, Carlos A.; Cabrera-Bean, Margarita; Pätzold, Matthias (Peer reviewed; Journal article, 2009)This paper analyzes the validity and statistical behavior of symbol-spaced tapped-delay-line (SSTDL) models for wide-sense stationary uncorrelated scattering (WSSUS) mobile radio channels. SSTDL models are obtained by ... -
On the spatial configuration of scatterers for given delay-angle distributions
Borhani, Alireza; Pätzold, Matthias (Journal article; Peer reviewed, 2014)This paper investigates the distribution of scatterers located around the mobile station (MS) for given delay-angle distributions. The delay-angle distribution function represents the joint probability density function ...