Error performance is one of the main measures and derivation its closed-form expression has proved to be quite involved for certain systems. In this letter, a unified expression, applicable different binary modulation schemes, bit error rate dual-branch selection diversity based systems undergoing independent but not necessarily identically distributed generalized-K fading derived in terms extended generalized bivariate Meijer G-function.

In this work, we present a unified performance analysis of free-space optical (FSO) link that accounts for pointing errors and both types detection techniques (i.e. intensity modulation/direct (IM/DD) as well heterodyne detection). More specifically, exact closed-form expressions the cumulative distribution function, probability density moment generating moments end-to-end signal-to-noise ratio (SNR) single FSO transmission system, all in terms Meijer's G function except is simple elementary...

In this work, the performance analysis of a dual-hop relay transmission system composed asymmetric radio-frequency (RF)/free-space optical (FSO) links with pointing errors is presented. More specifically, we build on model presented in to derive new exact closed-form expressions for cumulative distribution function, probability density moment generating and moments end-to-end signal-to-noise ratio terms Meijer's G function. We then capitalize these results offer higher-order amount fading,...

In this paper, we analyze the fading statistics of a generic distribution, termed N-product Generalized Nakagami-m (GNM) distribution (N*GNM distribution), constructed as product power N statistically independent and non-identically distributed GNM random variables, for purpose modeling cascaded channels. particular, using Fox's H function, derive probability density cumulative moment generating function moments such channels in closed-form. These derived results are convenient tool to model...

Unified exact ergodic capacity results for L-branch coherent diversity combiners including equal-gain combining (EGC) and maximal-ratio (MRC) are not known. This paper develops a novel generic framework the analysis of EGC/MRC over generalized fading channels. The is used to derive new gamma-shadowed Nakagami-m model which can be suitable environments encountered by high frequency (60 GHz above) communications. mathematical formalism illustrated with some selected numerical simulation...

The exact analysis of the higher-order statistics channel capacity (i.e., ergodic capacity) often leads to complicated expressions involving advanced special functions. In this paper, we provide a generic framework for computation over generalized fading channels. As such, novel results in simple, closed-form which are shown be asymptotically tight bounds high signal-to-noise ratio (SNR) regime variety environment. addition, it reveals existence differences constant gaps log-domain) among...

In this paper, we introduce the most general composite fading distribution to model envelope and power of received signal in such channels as millimeter wave (60 GHz or above) free-space optical channels, which term extended generalized-K (EGK) distribution. We obtain second-order statistics characterized by EGK Expressions for probability density function, cumulative level crossing rate average fade duration, moments, amount capacity are derived. Numerical computer simulation examples...

Analysis of the average binary error probabilities (ABEP) and capacity (AC) wireless communications systems over generalized fading channels have been considered separately in past years. This paper introduces a novel moment generating function (MGF)-based unified expression for ABEP AC single multiple link with maximal ratio combining. In addition, this proposes hyper-Fox's H model as distribution majority well-known environments. As such, authors offer generic performance that can be...

In this work, we present a unified performance analysis of free-space optical (FSO) link that accounts for pointing errors and both types detection techniques (i.e. intensity modulation/direct as well heterodyne detection). We, then, exact closed-form expressions various statistical characteristics the end-to-end signal-to-noise ratio (SNR) single FSO transmission system. We capitalize on these results to offer metrics. Additionally, derive asymptotic all derived earlier in high SNR regime...

This letter considers the average bit error probability of binary coherent signaling over flat fading channels subject to additive generalized Gaussian noise. More specifically, a generic closed form expression in terms Fox's H function is offered for extended generalized-K case. Simplifications some special distributions such as and Nakagami-m noise Laplacian are then presented. Finally, mathematical formalism illustrated by numerical examples verified computer based simulations variety parameters.

In this work, we present the performance analysis of a dual-branch transmission system composed direct radio frequency (RF) link and dual-hop relay asymmetric RF free-space optical (FSO) links compare it without having path to see effects diversity on our system. The FSO accounts for pointing errors both types detection techniques (i.e. indirect modulation/direct (IM/DD) as well heterodyne detection). is evaluated under assumption selection combining scheme. are modeled by Rayleigh fading...

In this work, the performance analysis of a dual-hop relay transmission system composed asymmetric radio-frequency (RF) and unified free-space optical (FSO) links subject to pointing errors is presented. These FSO account for both types detection techniques (i.e. indirect modulation/direct (IM/DD) as well heterodyne detection). More specifically, we derive new exact closed-form expressions cumulative distribution function, probability density moment generating moments end- to-end...

This letter investigates the average symbol error probability (ASEP) of pulse amplitude modulation and quadrature coherent signaling over flat fading channels subject to additive white generalized Gaussian noise.The new ASEP results are derived in a generic closed-form terms Fox H function bivariate for extended generalized-K case.The utility this general is that it includes some special distributions, like Generalized-K, Nakagami-m, Rayleigh noise distributions such as Laplacian.Some these...

The probability distribution function (PDF) and cumulative density of the sum L independent but not necessarily identically distributed gamma variates, applicable to maximal ratio combining receiver outputs or in other words performance analysis diversity receivers operating over Nakagami-m fading channels, is presented closed form terms Meijer G-function Fox H̅-function for integer valued parameters non-integer parameters, respectively. Further analysis, particularly on bit error rate via...

Abstract The probability density function (PDF) and cumulative distribution of the sum L ‐independent but not necessarily identically distributed Gamma variates, applicable to output statistics maximal ratio combining receiver operating over Nakagami‐ m fading channels or in other words statistical analysis scenario where squared distributions is user‐of‐interest, are presented closed form terms well‐known Meijer's G easily computable Fox's H̄ for integer‐valued non‐integer‐valued...

The probability density function and the cumulative distribution of product shifted exponential variates are obtained in terms generalized upper incomplete Fox's H function. Using these new results, exact outage capacity multi carrier transmission through a slow Rayleigh fading channel is presented. Moreover, it shown that analytical simulation results perfect agreement.

This paper presents a novel framework for modeling the uplink intercell interference (ICI) in multiuser cellular network. The proposed assists quantifying impact of various fading channel models and state-of-the-art scheduling schemes on ICI. Firstly, we derive semi-analytical expression distribution location scheduled user given cell considering wide range schemes. Based this, moment generating function (MGF) ICI single interfering cell. Consequently, determine MGF cumulative observed from...

Sum of Weibull random variables (RVs) is naturally prime importance in wireless communications and related areas. Through the medium selection poles as orthogonal Laguerre polynomials Cauchy residue theorem, moment-generation function (MGF), probability density (PDF) cumulative distribution (CDF) sum L ≥ 2 mutually independent any are represented terms fast convergent series, obtained results applied to RVs order find symbol error rate (SER) outage (OP) performance.

In this work, the performance analysis of a dual-hop relay transmission system composed asymmetric radio-frequency (RF)/free-space optical (FSO) links is presented. This work based on fact that FSO are cost-effective, license-free and can provide even higher bandwidths compared to traditional RF links. More specifically, in we build cumulative distribution function presented [1] derive new exact closed-form expressions for probability density function, moment generating moments end-to-end...

In this paper, we propose an analytical framework on the exact computation of average symbol error probabilities (ASEP) multihop transmission over generalized fading channels when arbitrary number amplify-and-forward relays is used. Our approach relies moment generating function (MGF) to obtain single integral expressions which can be easily computed by Gauss-Chebyshev Quadrature (GCQ) rule. As such, derived results are a convenient tool analyze ASEP performance relay channels. Numerical and...

In this work, we present the performance analysis of a dual-branch transmission system composed direct radio frequency (RF) link and dual-hop relay asymmetric RF free-space optical (FSO) links. The FSO accounts for pointing errors both types detection techniques (i.e. intensity modulation/direct (IM/DD) as well heterodyne detection). is evaluated under assumption selection combining (SC) diversity scheme. links are modeled by Rayleigh fading distribution whereas unified Gamma-Gamma...

The probability density function (PDF) and cumulative distribution of the sum L independent but not necessarily identically distributed squared η-μ variates, applicable to output statistics maximal ratio combining (MRC) receiver operating over fading channels that includes Hoyt Nakagami-m models as special cases, is presented in closed-form terms Fox's H-bar function. Further analysis, particularly on bit error rate via PDF-based approach, also represented closed form extended (H-hat)....

In the theory of wireless communications, average performance measures (APMs) are widely utilized to quantify gains/impairments in various fading environments under scenarios, and comprehend how factors arising from design/implementation affect system performance. To best our knowledge, it has not been yet discovered literature these APMs relate each other. this article, supplement APM analyses available we propose that one can be calculated using other instead end-to-end SNR distribution....

The influence of in-phase and quadrature (IQ) imbalance on the performance orthogonal time frequency space (OTFS) transmission is investigated in this work. OTFS a recent two-dimensional scheme with promising robustness against selectivity time-varying wireless channel, IQ impairment arises from inevitable imperfections between branches transceiver design. In paper, mathematical model presented to illustrate physical effect mismatched transmitter OTFS, which results new type interference...