نتایج جستجو برای: transmission probability
تعداد نتایج: 456438 فیلتر نتایج به سال:
Abstract Based on the background of Internet Things, this paper proposes a communication node information transmission protocol for wireless network sensors. This method adopts strategy alternating listening and sleeping. It can also reflect overall characteristics monitoring range while meeting real-time requirements. The proposed in has low energy consumption no synchronization. algorithm res...
Vehicle Ad-Hoc Networks was developed to improve the safety and comfort while driving a car. In vehicleto-vehicle (V2V) communication, it is a challenging issue for single-radio devices to switch and operate between the seven DSRC channels allocated by the FCC and to support both safety and non-safety applications. Thereby, the IEEE 1609WG has contrived the IEEE 1609.4 Multi-channel Operation, ...
BACKGROUND The Global Plan Towards the Elimination of New HIV Infections among Children and Keeping Their Mothers Alive aims to reduce by 2015 the number of new infections in children, in 22 priority countries, by at least 90% from 2009 levels. Mathematical models, such as Spectrum, are used to estimate national and global trends of the number of infants infected through mother-to-child transmi...
A mathematical model has been introduced for the transmission dynamics of cholera disease by GQ Sun et al. recently. In this study, we add Laplacian and Triangular random effects to this model and analyze the variation of results for both cases. The expectations and coefficients of variation are compared for the random models and the results are used to comment on the differences and similarit...
In this paper, we study the beam-based training design jointly with the transmission design for the hybrid massive antenna single-user (SU) and multiple-user (MU) systems where outage probability is adopted as the performance measure. For SU systems, an interleaved training design is proposed where the feedback is concatenated with the training procedure to monitor the training status and to ha...
We consider the problem of the optimal route selection in the presence of Rician fading channel. The variation in the signal strength due to fading is an overlooked fact in the wireless sensor networks. The conventional route selection strategies neglect the effect of fading and provide the low throughput routes for the data transmission. We consider the underlying dynamics of the wireless comm...
In this paper, we investigate the signal shaping in a two-user discrete time memoryless Gaussian multipleaccess channel (MAC) with computation. It is shown that by optimizing input probability distribution, the transmission rate per transmitter is beyond the cut-set bound. In contrast with the single-user discrete memoryless channel, the Maxwell-Boltzmann distribution is no longer a good approx...
Cascading failures in large-scale electric power transmission systems are an important cause of blackouts. Analysis of North American blackout data has revealed power law (algebraic) tails in the blackout size probability distribution which suggests a dynamical origin. With this observation as motivation, we examine cascading failure in a simplified transmission system model as load power deman...
Most directly transmitted infections require some form of close contact between infectious and susceptible hosts to spread. Often disease models assume contacts are equal and use mean field estimates of transmission probability for all interactions with infectious hosts. Such methods may inaccurately describe transmission when interactions differ substantially in their ability to cause infectio...
This paper rst analyses the impact of variance on schema transmission. Working from an exact derivation of the expected variance in schema transmission, it derives and analyses the signal-to-noise ratio for schemata. The paper then presents short term schema transmission probability results that focus on newly created schemata in the population. The analysis reveals the relative dependencies be...
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