Báo cáo hóa học: " A Survey of Application Distribution in Wireless Sensor Networks" ppt

... types of WSNs and appli- cations. We omit, for example, data fusion and data aggrega- tion that are beneficial only for applications that gather data to a centralized storage. In this paper we ... Middlewares rely- ing on the application QoS specification address mainly task allocation, but leave other aspects to external components. The database abstraction is applicable to a cer tai...

Ngày tải lên: 23/06/2014, 00:20

... which finds application in many fields including environment and habitat monitoring, health care, automation, military applications such as battlefield monitoring and surveillance, and underwater wireless ... pages doi:10.1155/2010/817961 Research Article Adaptive Power Allocation in Wireless Sensor Networks with Spatially Correlated Data and Analog Modulation: Perfect and Imperfect...

Ngày tải lên: 21/06/2014, 17:20

... studied in terms of the subdominant eigenvalue of matrix A, similarly to approach commonly adopted in the context of the analysis of Markov chains [21]. In particular, the following results can be ... property, of transformation (10). An interesting remark is that reciprocity of fading plays here a key role as it did in the proof of Theorem 1 for the case of fixed to...

Ngày tải lên: 22/06/2014, 19:20

... probability. Using the same assumption, the y also derive the pdf of the mini- mal number of hops for a given distance in a fading envi- ronment. Although these analytic results are available in ... EURASIP Journal on Wireless Communications and Networking point distribution is analogous to the 1D case, replacing the length of the segment by the area of the range. Vural an...

Ngày tải lên: 22/06/2014, 19:20

... Jadad AR, Moore A, Carroll D, Jenkinson C, Reynolds DJM, Gavaghan DJ, McQuay HJ: Assessing the quality of reports of randomised clinical trials: is blinding necessary? Controlled Clinical Trials ... non-significant or negative results [12]. Exclusion of non-English language studies was a lso found to result in a high risk of bias in certain research areas such as c omplementa...

Ngày tải lên: 20/06/2014, 04:20

... orthopaedic literature. Keywords: editor orthopaedic Background Clinicians in orthopaedic practice are increasingly the subject of revalidation and are expected to be able to critically appraise ... caroh2712@aol.com † Contributed equally 1 Department of Trauma & Orthopaedics, St George’s Hospital, Tooting, UK Full list of author information is available at the end of the articl...

Ngày tải lên: 20/06/2014, 07:20

... such data. A set of global indices capable of measuring the quality of panshar- pened MS images and working at full scale without per- forming any preliminary degradation of the dat a have been ... panchromatic and pansharpened images as a spatial quality measure. Lillo-Saavedra et al. [115] proposed to use the spatial ERGAS index that includes in its definition the spatial RM...

Ngày tải lên: 20/06/2014, 22:20

... only a si ngle path is used for data trans- mission and the second one maintained as a backup path to minimise the chance of route unavailability. To select a primary path and a backup path, ... whereas in the LRED algorithm, they are taken to be a sign of contention. The second me chanism, adaptive pacing, is used for regulating the data flow in a more balanced and fair w...

Ngày tải lên: 21/06/2014, 00:20

... doi:10.1186/2110-5820-2-4 Ari R Joffe (ari.joffe@albertahealthservices.ca) Natalie R Anton (natalie.anton@albertahealthservices.ca) Jonathan P Duff (jon.duff@albertahealthservices.ca) Allan R deCaen (allan.decaen@albertahealthservices.ca) ISSN ... versions will be made available soon. A survey of American neurologists about brain death: understanding of the conceptual basis and diagno...

Ngày tải lên: 21/06/2014, 19:20

... methods often focused on perceived hypoglycaemia or gastrointestin al ADEs (Table 2). Administrative databases were mainly used for cardiac ADEs, and laboratory/clinical values often included hepatic ... on hypoglycaemia and gastrointestinal ADEs, laboratory values based studies on hepatic and metabolic ADEs, and administrative database studies (n = 5) on cardiovascular ADEs. Four studies pre...

Ngày tải lên: 20/06/2014, 15:20