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The power spectral densities of UWB impulse radio systems with pulse position modulation (PPM) consist of both continuous spectra and discrete frequency spikes. These discrete spikes cause interferences to narrowband systems and deny the harmless coexistence of PPM UWB systems and narrowband systems. To suppress these discrete spikes, in this paper, a random pulse carrier phase jitter (PCPJ) technique...
In this paper, a novel approach to derive the mean, variance, and higher order central moments of reverse link inter-cell interference in cellular CDMA systems is proposed. As compared to previous research publications, this new approach does no put any restriction on the receiving power of mobile users, so it can be used to analyze the reverse link inter-cell interference not only for cellular CDMA...
This paper presents a new approach in analyzing the reverse link capacity performance of cellular CDMA systems employing successive interference cancellation (SIC). Due to the controlled power disparity present in such systems previous methods cannot precisely model their inter-cell interference. We first introduce a novel model which allows the accurate analysis and evaluation of the inter-cell interference...
The existing reverse link inter-cell interference models for cellular CDMA systems are based upon the assumption that all mobile users have equal receiving power or controlled power disparity at the base stations they are assigned to. However, because of imperfect power control and/or the application of new signal processing techniques, in most case the receiving power demonstrates random disparity...
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