Yaser M. M. Fouad

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BACKGROUND Recent studies from our laboratory reveal that 70% of patients with gastro-oesophageal reflux disease (GERD) on proton pump inhibitors twice daily (b.d.) have nocturnal gastric acid breakthrough (gastric pH < 4 > 1 h) which is often accompanied by oesophageal acid exposure. The pathogenesis of GER during gastric acid breakthrough is not clear. (More)
An antigen-capture ELISA using monoclonal antibody (MAb) 128C3/3/21 was used to detect circulating parasite-derived antigens in the sera of patients actively infected with Schistosoma haematobium (31 males and four females, 5-25 years of age). The assay had a sensitivity of 100% (35 of 35 patients with antigen levels > 80 ng/ml) and a specificity > 99%. We(More)
In this paper, we consider the application of noncoherent Grassmannian signalling in practical multi-channelfrequency-flat multiple-input multiple-output (MIMO) wireless communication systems. In these systems, Grassmannian signalling, originally developed for single-channel block-fading systems, is not readily applicable. In particular, in such systems,(More)
Terminal relaying offers an effective means for improving the performance of OFDMA-based wireless networks. However, with the increase in the number of relaying terminals (RTs), their coordination becomes a cumbersome task. To address this drawback, in this paper an autonomous scheme is proposed whereby the RTs assign resource blocks (RBs) to incoming(More)
This paper investigates the use of non-coherent communication techniques for open-loop transmission over temporally-correlated Rayleigh-fading Multiple Input Multiple Output (MIMO) channels. These techniques perform data detection without knowing the instantaneous channel coefficients. Three non-coherent MIMO schemes, namely Differential Unitary Space-Time(More)
In future cellular networks, self-organizing relaying terminals (RTs) are expected to play a crucial role in assisting the communication between base stations and wireless terminals (WTs), which include, not only active user terminals, but also machine-type communication devices. In the absence of channel quality indicators, the effective utilization of RTs(More)
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