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Smart antennas possess the capability of suppressing jamming signal, so they can improve signal to interference plus noise ratio (SINR). Array processing utilizes information regarding locations of signal to aid in interference suppression and signal enhancement and is considered promising technology for anti-jamming. In this paper we studied three(More)
— Secure access of communication networks has become an increasingly important area of consideration for the communication service providers of present day. Broadband Wireless Access (BWA) networks are proving to be an efficient and cost-effective solution for the provisioning of high rate wireless traffic links in static and mobile domains. The secure(More)
The roles of the NADPH phagocyte oxidase (phox) and inducible nitric oxide synthase (iNOS) in host resistance to virulent Salmonella typhimurium were investigated in gp91phox(-/)-, iNOS(-/)-, and congenic wild-type mice. Although both gp91phox(-/)- and iNOS(-/)- mice demonstrated increased susceptibility to infection with S. typhimurium compared with(More)
The attenuation and immunogenicity of two novel Salmonella vaccine strains, Salmonella enterica serovar Typhi (Ty2 Delta aroC Delta ssaV, designated ZH9) and S. enterica serovar Typhimurium (TML Delta aroC Delta ssaV, designated WT05), were evaluated after their oral administration to volunteers as single escalating doses of 10(7), 10(8), or 10(9) CFU. ZH9(More)
With an increased emphasis on transportation safety requirements, Vehicular Ad-hoc Networks (VANETs) have emerged as the key underlying technology in the realization of Intelligent Transportation Systems (ITS). The IEEE-1609 set of standards for Wireless Access for Vehicular Environment (WAVE) specifies an architecture that includes new standards for(More)
BACKGROUND Cranioplasty is undertaken as a routine secondary operation following craniectomy. At a time when decompressive craniectomy is being evaluated by several large trials, we aimed to evaluate the morbidity associated with cranioplasty and investigate its potential effect on outcome. METHODS The outcomes of 166 patients undergoing cranioplasty at(More)
In this paper, we have provided a model to minimize the unnecessary handovers from a cellular network to a WLAN. Exploiting traveling distance prediction method, the proposed handover necessity estimation mechanism uses distance threshold parameters to avoid unnecessary handovers. Our analysis and simulation results suggest that the proposed mechanism can(More)