Browsing AURA by Author "Pätzold, Matthias"
Now showing items 21-36 of 36
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On the Statistical Analysis of the Channel Capacity of Double Rayleigh Channels with Equal Gain Combining in V2V Communication Systems
Talha, Batool; Pätzold, Matthias (Journal article; Peer reviewed, 2010)In this article, we present a detailed study on the statistical properties of the channel capacity of vehicle-to-vehicle (V2V) fading channels with equal gain combining (EGC). Assuming perfect channel state information ... -
On the Statistical Properties of Equal Gain Combining over Mobile-to-Mobile Fading Channels in Cooperative Networks
Talha, Batool; Primak, Serguei; Pätzold, Matthias (Journal article; Peer reviewed, 2010)This article deals with the statistical analysis of equal gain combining (EGC) over mobile-to-mobile (M2M) fading channels in a dual-hop amplify-and-forward relay network. Here, we analyze narrowband M2M fading channels ... -
Parameter optimization for amplify-and-forward relaying systems with pilot symbol assisted modulation scheme
Wu, Yi; Pätzold, Matthias (Journal article; Peer reviewed, 2009)Cooperative diversity is a promising technology for future wireless networks. In this paper, we consider a cooperative communication system operating in an amplify-and-forward (AF) mode with a pilot symbol assisted modulation ... -
Parameter optimization for amplify-and-forward relaying with imperfect channel estimation
Wu, Yi; Pätzold, Matthias (Journal article; Peer reviewed, 2009)Cooperative diversity is a promising technology for future wireless networks. In this paper, we consider a cooperative communication system operating in an amplify-and-forward (AF) mode with an imperfectly-known relay ... -
Performance Analysis of Alamouti Coded OFDM Systems over Rayleigh Fading Channels Correlated in Space and Time
Ma, Yuanyuan; Pätzold, Matthias (Chapter; Peer reviewed, 2010)This paper deals with the performance analysis of Alamouti coded orthogonal frequency division multiplexing (OFDM) systems over time-varying multipath Rayleigh fading channels. In our analysis, we consider a physically ... -
Performance analysis of cooperative communication systems with imperfect channel estimation
Wu, Yi; Pätzold, Matthias (IEEE International Conference on Communications, Journal article; Peer reviewed, 2009)This paper investigates the effects of channel estimation errors on the symbol-error-rate (SER) performance of a cooperative communication system operating in an amplify-and- forward (AF) mode. A pilot symbol assisted ... -
Performance Analysis of M-Ary PSK Modulation Schemes over Multiple Double Rayleigh Fading Channels with EGC in Cooperative Networks
Talha, Batool; Pätzold, Matthias (Peer reviewed; Chapter, 2010)This article studies the performance of M-ary phase shift keying (PSK) modulation schemes over mobile-to-mobile (M2M) fading channels with equal gain combining (EGC) in cooperative networks. The frequency-nonselective M2M ... -
Performance Analysis of Wideband Sum-of-Cisoids-Based Channel Simulators with Respect to the Bit Error Probability of DPSK OFDM Systems
Ma, Yuanyuan; Pätzold, Matthias (Journal article; Peer reviewed, 2009)In this paper, we analyze the performance of a wideband sum-of-cisoids (SOC) channel simulator w.r.t. the bit error probability (BEP) of differential phase-shift keying (DPSK) orthogonal frequency division multiplexing ... -
The Riemann sum method for the design of sum-of-cisoids simulators for Rayleigh fading channels in non-isotropic scattering environments
Gutiérrez, Carlos A.; Pätzold, Matthias (Journal article; Peer reviewed, 2009)In this paper, 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 ... -
Statistical Modeling and Analysis of Mobile-to-Mobile Fading Channels in Cooperative Networks Under Line-of-Sight Conditions
Talha, Batool; Pätzold, Matthias (Journal article; Peer reviewed, 2010)Recently, mobile-to-mobile (M2M) cooperative network technology has gained considerable attention for its promise of enhanced system performance with increased mobility support. As this is a new research field, little is ... -
Statistical properties of the capacity of double Nakagami-m channels
Rafiq, Gulzaib; Hogstad, Bjørn Olav; Pätzold, Matthias (Chapter; Peer reviewed, 2010)In this article, we have presented an extensive statistical analysis of the capacity of double1 Nakagami-m channels. The double Nakagami-m channel model has applications in keyhole channels and amplify-and-forward relay ... -
A study of the influence of shadowing on the statistical properties of the capacity of mobile radio channels
Rafiq, Gulzaib; Pätzold, Matthias (Journal article; Peer reviewed, 2009)This paper studies the influence of shadowing on the statistical properties of the channel capacity. The problem is addressed by using a Suzuki process as an appropriate statistical channel model for land mobile terrestrial ... -
The impact of shadowing and the severity of fading on the first and second order statistics of the capacity of OSTBC MIMO Nakagami-lognormal channels
Rafiq, Gulzaib; Pätzold, Matthias (Journal article; Peer reviewed, 2011)This article presents a thorough statistical analysis of the capacity of orthogonal space-time block coded (OSTBC) multiple-input multiple-output (MIMO) Nakagami- lognormal (NLN) channels. The NLN channel model allows to ... -
The impact of spatial correlation on the statistical properties of the capacity of Nakagami-m channels with MRC and EGC
Rafiq, Gulzaib; Kontorovich, Valeri; Pätzold, Matthias (Journal article; Peer reviewed, 2011)In this article, we have studied the statistical properties of the instantaneous channel capacitya of spatially correlated Nakagami-m channels for two different diversity combining methods, namely maximal ratio combining ... -
Two new sum-of-sinusoids-based methods for the efficient generation of multiple uncorrelated rayleigh fading waveforms
Pätzold, Matthias; Wang, Cheng-Xiang; Hogstad, Bjørn Olav (Journal article; Peer reviewed, 2009)This paper deals with the design of a set of multiple uncorrelated Rayleigh fading waveforms. The Rayleigh fading waveforms are mutually uncorrelated, but each waveform is correlated in time. The waveforms are generated ... -
Velocity estimation in wideband mobile stations equipped with multiple antennas
Umansky, Dmitry; Pätzold, Matthias (Journal article; Peer reviewed, 2009)A new method is proposed for estimating the velocity of wideband mobile stations (MSs) equipped with multiple antennas. The MS speed is determined using the well-known relationship between the direction-of-arrivals (DOAs) ...