نتایج جستجو برای: opportunistic
تعداد نتایج: 20666 فیلتر نتایج به سال:
Due to the re-emergence of infectious diseases, causative pathogenic microorganisms are becoming major microbiologic public health threat. It seems be difficult control emergence new and severe bacterial diseases. However, efforts continuously being made identify main cause prevent uncontrolled spread emerging This review focuses on diseases their bacteria pathway pathogenesis.
Fountain codes are widely employed to improve reliability and efficiency in wireless communication systems due their simple coding mechanisms. In this letter, we propose an opportunistic decoding recoding mechanism with coordinative routing algorithm for fountain the expected transmission counts (ETX) performance reduce computational complexity of at each relay multi-hop sensor networks. The fu...
Listeria monocytogenes, is a Gram positive, aerobic, intracellular pathogen with a predilection to cause illness in patients with diminished cell mediated immunity(l,2). Reports of listeriosis from India are scanty either because of its rarity, failure to recognize the bacterial growth, improper isolation techniques or lack of awareness. We present three cases of listeriosis to document the set...
This paper identifies goal handling processes that begin to account for the kind of processes involved in invention. We identify new goal properties and mechanisms for processing goals, as well as means of integrating opportunism, deliberation, and social interaction into goal/plan processes. We focus on enterprise goals, which extend traditional design goals and knowledge goals to address sign...
In two previous papers, we have proposed a part of a computational theory of argumentation, including representations for argument structure and rules for using those representations in understanding and in rebutting (Birnbaum et ai (1980) and Flowers et al (1981); related work includes Cohen (1980)). One property of the model which we emphasized is the way in which argument mechanisms and infe...
The problem of opportunistic spectrum access in cognitive radio networks (CRNs) is considered in this paper. Especially, we discuss designing distributed learning protocols for non-cooperative secondary users (SUs) to efficiently utilize the spectrum opportunities. It is well known that the SUs’ selfish behaviors will result in a network collapse. Each SU is thus enabled to form conjectures ove...
We propose and investigate Multi-Channel Extremely Opportunistic Routing (MCExOR) which is a protocol that extends Extremely Opportunistic Routing by utilizing multiple RF channels in multi-hop wireless networks. Large numbers of transmissions per end-to-end delivery combined with interference are the main reasons for the low capacity of wireless multi-hop networks. MCExOR reduces the overall n...
Human immunodeficiency virus (HIV) seropositive patients usually suffer from opportunistic intestinal parasitic infections leading to high mortality & morbidity, knowledge about the etiological agents in HIV can often guide the treatment. The aim of this study was to identify the opportunistic parasites in HIV associated diarrhoeal and nondiarrhoeal patients and to study the importance of stool...
In recent years opportunistic networks have gain popularity in research and industry. In these networks, nodes come into contact with each other opportunistically and communicate wirelessly. An opportunistic network consists of nodes. These nodes are typically handheld devices carried by people which are equipped with large memory, good sensing capability, high computational power with short-ra...
Disaster scenarios require different recovery solutions such as evacuation guidance, to perform the right action for wounded persons and efficiency diffuse useful alert for locating trapped survivors. These latter are constrained mainly by the infrastructure-less environment caused by the disaster damage (e.g. storm, earthquake). Exploiting opportunistic communications to design recovery soluti...
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