[PDF] Top 20 Performance Analysis of Time-Hopping Ultra-Wideband Systems in Multipath Fading Channels (Uncoded and Coded Schemes)

... TH-UWB systems, introduced in [1-3] in multipath Rayleigh fading channels, are ...The performance analysis shows that the eective order of diversity achieved by the coded scheme ... See full document

... a performance analysis on the basis of different fading ...comparative analysis with different kinds of modulation ...on fading and property of the channel were ...different ... See full document

... The performance analysis of DCT-OFDM system over a variety of multipath fading channels is considered in several recent ...the performance of the DCT-OFDM system with a ... See full document

... chronous multipath fading ...a performance analysis using tools devel- oped for the analysis of blind multiuser detection with blind channel estimation ... See full document

... space time processing, Orthogonal Frequency Division Multiplexing (OFDM), UWB radio systems, beam forming, and so ...to multipath fading, low power requirements, low implementation costs, and ... See full document

... the performance of TH-UWB systems in the presence of multipath distortion has been proposed and validated thanks to the simulated ...UWB systems, this can be an interesting approach, instead ... See full document

... particular fading model remains a challenge. The performance analysis of diversity and coding schemes as well as their concatenation to combat multipath fading in both Rayleigh and ... See full document

... the performance of wideband code-division multiple-access (W-CDMA) systems using space-time- spreading- (STS-) based transmit diversity is investigated, when frequency-selective Nakagami-m ... See full document

... frequency hopping multicarrier direct-sequence code division multiple access (SFH/MC DS-CDMA) is proposed and inves- tigated, which can be rendered compatible with the existing second-generation narrowband CDMA ... See full document

... the performance of wideband code-division multiple-access (W-CDMA) systems using space-time- spreading- (STS-) based transmit diversity is investigated, when frequency-selective Nakagami-m ... See full document

... fast-varying fading amplitudes are possibly tracked by using LS techniques that exploit temporal correlation of the fading ...for performance evaluation in terms of ...OFDM systems was ... See full document

... experiences fading during transmission, both its envelope and Phase fluctuate over ...the fading effects on the phase can severely degrade performance unless measures are taken to compensate for them ... See full document

... communication systems employ ultrashort impulses to transmit information which spreads the signal energy over a very wide frequency spectrum of several ...GHz. Multipath fading is one of the major ... See full document

... nication systems is limited by the time-varying characteristics of the ...the time- varying effects of wireless channels is employing ...combating fading in wireless communications [1], ... See full document

... high multipath res- olution, low energy consumption, and peaceful coexistence with other radio-frequency systems, are also favourable to the emergence of ...and time-hopping (TH) ...rich ... See full document

... to multipath fading, covert communications due to low transmission power, coexistence with other communication systems because of the low power spectral density (PSD), material penetration capa- ... See full document

... The performance of space-time block codes depends on the type of modulation and the number of transmit and receive antennas ...bit-error-rate performance than real modulations and it is especially ... See full document

... accuracy performance of the channel es- timator. The performance should be high enough to accurately compensate for the channel ...and performance of the ML estimator depends on the channel and ... See full document

... the performance of SISO system in a fading channel is very poor compared to that of an AWGN channel, even for higher values of ...between multipath signals at the receiver results in severe ...the ... See full document

... one can easily specify the correlation properties of the received Gaussian signal, irrespective of the transmitted input signal. Unlike [5] in which Gaussianity of the inphase and quadrature components is derived, the ... See full document