This paper proposes a new wireless enabling technology for future smart radio environments. The approach aims to enhance signal coverage within the shadow region(s) of networks with aid so-called ’intelligent edges (IEs)’. IEs may be installed at fringes shadowing objects such as buildings, walls and other obstacles which obscure optical path from transmitter receiver. We investigate two differ...

Abstract With the rapid development of Internet Things (IoT) in 5G age, construction smart cities around world consequents on exploration carbon reduction path based IoT technology is an important direction for global low city research. Carbon dioxide emissions small are usually higher than that large and medium cities. However, due to huge difference data environment between Medium-large sized...

granted that literacy is a social practice involving different values, attitudes, feelings, and social relationships, this study attempts to examine literacy practices and the potential changes made through a history of forty years. the study was conducted in the village of cheshmeh, near mashhad, iran, where the social definition of literacy emerged. the data have been collected through partic...

: working in street as a part of child labor is a global problem. several studies have focused on familial factors of child labor in iran. this study is going to present the issue of child labor and its risk factors and impacts on street children in tehran. this study used rapid assessment and response method in 1391-92 in tehran. samples were recruited from street children in tehran as well as...

In this paper, we propose to apply Contention-Based Forwarding (CBF) to Vehicular Ad Hoc Networks (VANETs). CBF is a greedy positionbased forwarding algorithm that does not require proactive transmission of beacon messages. CBF performance is analyzed using realistic movement patterns of vehicles on a highway. We show by means of simulation that CBF as well as traditional position-based routing...

conclusions our results suggested that the prevalence of prescription drugs, alcohol and illicit substance use was relatively low, though still significant, among iranian students, which was strongly associated with family and friends’ use. the findings of this research can be used for planning and evaluating interventions by considering the risk factors and protective factors in universities. ...

conclusions the health status and life situation of street children in this region do not seem appropriate and earning money is the most important motivation to being a street child. unlike violence, the tendency to substance abuse, especially cigarette smoking, was pretty high. on the other hand, the lower age of illicit drug abuse among these children in this study indicates a higher vulnerab...

The development of intelligent transportation systems requires the availability of both accurate traffic information in real time and a cost-effective solution. In this paper, we describe Street Viewer, a system capable of analyzing the traffic behavior in different scenarios from images taken with an off-the-shelf optical camera. Street Viewer operates in real time on embedded hardware archite...