نتایج جستجو برای: performance evaluation efficiency
تعداد نتایج: 2060147 فیلتر نتایج به سال:
Security and robustness are paramount in wireless embedded systems due to the vulnerability of the underlying communication medium. To institute security and reliability, most of the existing schemes perform periodic re-establishment of authentication credentials and share secrets among various participating nodes. However, such measures result in overheads in an energyconstrained wireless envi...
This paper attempts to examine, using data envelopment analysis, the productivity performance trends of the Indian commercial banks for the period: 1997-98 – 2004-05. Our broad empirical findings are indicative in many ways. First, the increasing average annual trends in technical efficiency for all ownership groups indicate an affirmative gesture about the effect of the reform process on the ...
In recent years, wireless networks are undergoing the paradigm transformation from high-speed data rate to connecting everything, raising the development of Internet of things (IoT). As a typical scenario of IoT, vehicular networks have attracted extensive attentions from automotive and telecommunication industry, especially for ultra-reliable and low latency communication (URLLC) applications....
The first part of this article deals with fitting of regression equations for the sampling properties, variance of L-standard deviation (l2), and bias and variance of L-skewness (t3), based on Monte-Carlo simulation results, for generalised Normal (Lognormal-3) and Pearson-3 distributions. These fitted equations will be useful in formulating goodness-of-fit test statistics in regional frequency...
To deal with the ever increasing data rate demand in wireless systems, suitable backhaul solutions have to be found. One option is to use LOS MIMO systems at mmWave frequencies, as high bandwidths and spectral efficiencies will be able to fulfill this requirement. Several investigations have shown, that phase noise can decimate the efficiency of such systems immensely and needs to be adequately...
testing plays a vital role in any language teaching program. it allows teachers and stakeholders, including program administrators, parents, admissions officers and prospective employers to be assured that the learners are progressing according to an accepted standard (douglas, 2010). the problems currently facing language testers have both practical and theoretical implications but the first i...
In mobile communications, power is a very important factor and nonlinear amplification of power amplifiers cannot be avoided due to their high power efficiency. This article presents the performance of 2 -shift BPSK modulation scheme used in DS/SS/CDMA wireless communications over multipath Rayleigh fading channel and compares the performance with the performance of conventional BPSK CDMA syste...
Femtocell technology recently gained attention due to its potential benefits for mobile operators (significant capacity offload and extension of the coverage at low cost) but there are still hard technical challenges to be addressed (e.g., the optimization of the interference management). Furthermore, the deployment strategies are still in question, such as the femtocell access-mode (open or cl...
Introduction: Today, one of the main indicators in the assessment of development in countries is their share in producing knowledge .Thus, performance evaluation of educational units, which in turn leads to efficiency enhancement, has gained significant importance. This study examined the efficiency of educational departments in Kerman University of Medical Sciences through the Data Envelopment...
background: the measurement data regarding the influent and effluent of wastewater treatment plant (wwtp) provides a general overview, demonstrating an overall performance of wwtp. nevertheless, these data do not provide the suitable operational information for the optimization of individual units involved in a wwtp. a full-scale evolution of wwtp was carried out in this study via a reconciled ...
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