Search results for "FAD"

showing 10 items of 292 documents

On the Statistical Properties of Equal Gain Combining over Mobile-to-Mobile Fading Channels in Cooperative Networks

2010

Paper presented at the 2010 IEEE International Conference on Communications (ICC), Cape Town. Personal use of this material is permitted. Permission from IEEE must be obtained for all other users, including reprinting/ republishing this material for advertising or promotional purposes, creating new collective works for resale or redistribution to servers or lists, or reuse of any copyrighted components of this work in other works. Paper also available from the publisher: http://dx.doi.org/10.1109/ICC.2010.5501898 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…

VDP::Mathematics and natural science: 400::Information and communication science: 420::Communication and distributed systems: 423Characteristic function (probability theory)Computer sciencebusiness.industryCumulative distribution functionProbability density functionTopologylaw.inventionsymbols.namesakeFading distributionNarrowbandRelaylawMobile stationVDP::Technology: 500::Information and communication technology: 550::Telecommunication: 552Computer Science::Networking and Internet ArchitecturesymbolsGamma distributionFadingRayleigh scatteringTelecommunicationsbusinessComputer Science::Information TheoryCommunication channel
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Mobile-to-mobile fading channels in amplify-and-forward relay systems under line-of-sight conditions: statistical modeling and analysis

2010

Published version of an article from the journal:Annales des Telecommunications/Annals of Telecommunications. The original publication is available at Springerlink. http://dx.doi.org/10.1007/s12243-010-0169-z 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 the direct link between the source mobile station (SMS) and the destination mobile station (DMS), as well as in the links via the mobile relay (MR). The proposed channel model is referred to as the multiple-LOS second-order scattering (MLSS) channel model. The MLSS chan…

VDP::Mathematics and natural science: 400::Information and communication science: 420::Communication and distributed systems: 423Computer scienceCommunications systemlaw.inventionNon-line-of-sight propagationNarrowbandRelaylawMobile stationVDP::Technology: 500::Information and communication technology: 550::Telecommunication: 552Computer Science::Networking and Internet ArchitectureElectronic engineeringFadingElectrical and Electronic EngineeringRelay channelComputer Science::Information TheoryCommunication channel
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Statistical Modeling and Analysis of Mobile-to-Mobile Fading Channels in Cooperative Networks Under Line-of-Sight Conditions

2009

Published version of an article from the journal: Wireless Personal Communications. The original publication is available at Springerlink. http://dx.doi.org/10.1007/s11277-009-9721-4 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 known about the statistical properties of M2M fading channels in cooperative networks. So far, M2M fading channels have mainly been modeled under the assumption of non-line-of-sight (NLOS) conditions. In this paper, we propose a new model for M2M fading channels in amplify-and-forward relay lin…

VDP::Mathematics and natural science: 400::Information and communication science: 420::Communication and distributed systems: 423Computer sciencebusiness.industryStatistical modelData_CODINGANDINFORMATIONTHEORYComputer Science Applicationslaw.inventionsymbols.namesakeFading distributionRelaylawChannel state informationMobile stationVDP::Technology: 500::Information and communication technology: 550::Telecommunication: 552symbolsComputer Science::Networking and Internet ArchitectureFadingElectrical and Electronic EngineeringRayleigh scatteringTelecommunicationsbusinessAlgorithmCommunication channelComputer Science::Information Theory
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On the Statistical Analysis of the Channel Capacity of Double Rayleigh Channels with Equal Gain Combining in V2V Communication Systems

2010

paper presented at the 2010 IEEE 71st Vehicular Technology Conference, Taipei. (c) 2010 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other users, including reprinting/ republishing this material for advertising or promotional purposes, creating new collective works for resale or redistribution to servers or lists, or reuse of any copyrighted components of this work in other works. Paper also available from the publisher: http://dx.doi.org/10.1109/VETECS.2010.5494112 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). A…

VDP::Mathematics and natural science: 400::Information and communication science: 420::Communication and distributed systems: 423EngineeringSpatial correlationbusiness.industryCumulative distribution functionMIMOProbability density functionChannel capacityChannel state informationVDP::Technology: 500::Information and communication technology: 550::Telecommunication: 552Gamma distributionElectronic engineeringFadingStatistical physicsbusinessComputer Science::Information Theory
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Performance Analysis of Alamouti Coded OFDM Systems over Rayleigh Fading Channels Correlated in Space and Time

2010

Paper presented at the 2010 IEEE 71st Vehicular Technology Conference, Taipei.(c) 2010 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other users, including reprinting/ republishing this material for advertising or promotional purposes, creating new collective works for resale or redistribution to servers or lists, or reuse of any copyrighted components of this work in other works. Paper also available from the publisher: http://dx.doi.org/10.1109/VETECS.2010.5493855 This paper deals with the performance analysis of Alamouti coded orthogonal frequency division multiplexing (OFDM) systems over time-varying multipath Rayleigh fading channels. I…

VDP::Mathematics and natural science: 400::Information and communication science: 420::Communication and distributed systems: 423Multipath rayleigh fading channelComputer scienceOrthogonal frequency-division multiplexingData_CODINGANDINFORMATIONTHEORYSpace (mathematics)Expression (mathematics)Signal-to-noise ratioVDP::Technology: 500::Information and communication technology: 550::Telecommunication: 552Computer Science::Networking and Internet ArchitectureElectronic engineeringFadingAlgorithmComputer Science::Information TheoryRayleigh fadingCommunication channel
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An Exact Solution for the Level-Crossing Rate of Shadow Fading Processes Modelled by Using the Sum-of-Sinusoids Principle

2008

Published version of an article in the journal: Wireless Personal Communications. The original publication is available at Springerlink. http://dx.doi.org/10.1007/s11277-008-9512-3 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 model is derived from a non-realizable lognormal reference model with given correlation properties by using Rice's sum-of-sinusoids. Both exact and approximate expressions are presented for the level-crossing rate (LCR) and the average duration of fades (ADF) of the simulation model. It is pointed …

VDP::Mathematics and natural science: 400::Information and communication science: 420::Communication and distributed systems: 423Spatial correlationComputer scienceEmphasis (telecommunications)Higher-order statisticsLevel crossingShadow fadingComputer Science ApplicationsExact solutions in general relativityVDP::Technology: 500::Information and communication technology: 550::Telecommunication: 552Log-normal distributionStatisticsApplied mathematicsElectrical and Electronic EngineeringFocus (optics)Wireless Personal Communications
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Statistical properties of the capacity of double Nakagami-m channels

2010

paper presented at the 2010 5th IEEE International Symposium on Wireless Pervasive Computing (ISWPC), Modena, Italy. (c) 2010 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other users, including reprinting/ republishing this material for advertising or promotional purposes, creating new collective works for resale or redistribution to servers or lists, or reuse of any copyrighted components of this work in other works. Paper also available from the publisher: http://dx.doi.org/10.1109/ISWPC.2010.5483776 In this article, we have presented an extensive statistical analysis of the capacity of double1 Nakagami-m channels. The double Nakagami-m c…

VDP::Mathematics and natural science: 400::Information and communication science: 420::Communication and distributed systems: 423Spatial correlationbusiness.industryComputer scienceCumulative distribution functionNakagami distributionProbability density functionCommunications systemTopologylaw.inventionChannel capacityRelaylawVDP::Technology: 500::Information and communication technology: 550::Telecommunication: 552FadingTelecommunicationsbusiness
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On the Correlation and Ergodic Properties of the Squared Envelope of SOC Rayleigh Fading Channel Simulators

2012

Published version of an article in the journal: Wireless Personal Communications. Also available from the publisher at: http://dx.doi.org/10.1007/s11277-011-0493-2 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 closed-form expressions are presented for both the ensemble and the time autocorrelation functions (ACFs) of the SOC simulation model’s squared envelope. These expressions have been derived by assuming that the SOC model’s inphase and quadrature (IQ) components have arbitrary autocorrelation and cross-correlation pr…

VDP::Mathematics and natural science: 400::Information and communication science: 420::Communication and distributed systems: 423Stochastic processmobile communicationsAutocorrelationEstimatorchannel simulatorsComputer Science ApplicationsQuadrature (mathematics)sum-of-cisoidsNarrowbandsum-of-sinusoidsNorm (mathematics)VDP::Technology: 500::Information and communication technology: 550::Telecommunication: 552StatisticsApplied mathematicsErgodic theoryergodic processesElectrical and Electronic EngineeringRayleigh fading channelssquared envelopeMathematicsRayleigh fadingWireless Personal Communications
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Level-crossing rate and average duration of fades of the envelope of mobile-to-mobile fading channels in K-parallel dual-hop relay networks

2009

©2009 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE." Article also available from publisher: http://dx.doi.org/10.1109/WCSP.2009.5371574 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 considered here are associated with amplify-and-forward …

VDP::Mathematics and natural science: 400::Mathematics: 410::Applied mathematics: 413Independent and identically distributed random variablesComputer sciencebusiness.industryComputerSystemsOrganization_COMPUTER-COMMUNICATIONNETWORKSData_CODINGANDINFORMATIONTHEORYTopologylaw.inventionFading distributionNarrowbandRelaylawMobile stationVDP::Technology: 500::Information and communication technology: 550::Telecommunication: 552Computer Science::Networking and Internet ArchitectureCommunications satelliteFadingTelecommunicationsbusinessComputer Science::Information TheoryRayleigh fadingCommunication channel2009 International Conference on Wireless Communications & Signal Processing
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The Riemann sum method for the design of sum-of-cisoids simulators for Rayleigh fading channels in non-isotropic scattering environments

2009

©2009 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE. Article also available from publisher: http://dx.doi.org/10.1109/ICUMT.2009.5345371 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 show that the RSM results in an excellent approximation of…

VDP::Mathematics and natural science: 400::Mathematics: 410::Applied mathematics: 413Scatteringbusiness.industryAutocorrelationProbability density functionsymbols.namesakeNarrowbandNorm (mathematics)Riemann sumVDP::Technology: 500::Information and communication technology: 550::Telecommunication: 552symbolsApplied mathematicsFadingTelecommunicationsbusinessRayleigh fadingMathematics
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