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In this paper, we recognize the relation between the generalized α − λ − η − μ and η − μ fading distributions. We present an approximate technique providing the reduction of the α − λ − η − μ distribution to the generalized gamma distribution. For integer values of the fading parameter μ, we prove that the probability density function (PDF) of the α − λ − η − μ distribution is expressed via a l...

........................................................................................................... 1 PREFACE ............................................................................................................... 3 ACKNOWLEDGEMENTS.......................................................................................... 5 PURPOSE AND CONTRIBUTION ..................................

1 Introduction

We address the problem of group delay ripples in chirped fibre gratings on dispersion compensation in optical transmission systems. We show that the intersymbol interference, which is a highly harmful effect induced by the group delay ripples in transmission systems, can be substantially reduced by the use of nonlinear optical loop mirrors. This leads to an improvement of the system performance...

I declare that I have developed and written the enclosed Study Thesis completely by myself, and have not used sources or means without declaration in the text. Design time performance prediction is an important aspect in the field of component-based software performance engineering. Especially in early development stages the model is on a high abstraction level and precise predictions are diffi...

Multipath and continuous wave (CW) interference may cause severe performance degradation of global navigation satellite system (GNSS) receivers. This paper analyzes the code tracking performance of early-minus-late power (EMLP) discriminator of GNSS receivers in the presence of multipath and CW interference. An analytical expression of the code tracking error is suggested for EMLP discriminator...

This paper aims to evaluate the impact of chaotic sequences on the performance of synchronous TH-UWB system when they are used as multiple access keys. We considered the realistic multi-path channel described in the norm IEEE 802.15.4a. Firstly, we will prove the dependence of the performance on the used multiple access codes by expressing the power of multi-user interference with the aid of th...

In this paper, we propose a model of mobile cognitive radio network after fully considering the analysis method of network connectivity based on random way-point (RWP) mobility scheme. The closed-form solution of connectivity probability has been derived to evaluate the network performance in this model. And it shows that the network connectivity is related to the size of mobile cognitive radio...

Bluetooth can form many piconets and scatternets within close proximity. This network topology can cause self channel interferences. As the interference increases, the performance will be degraded. The effect of interference is critical when a lot of Bluetooth networks coexist. In this paper, the performances of Bluetooth networks under interference is analyzed and simulated using the concept o...