this paper aimed to investigate the relationship between components of social capital (security, trust, social norms, social networks and participation in social activities) and physical activity participation among the adolescent students in yazd city. the statistical population of the study included adolescent students (14-17 years old) from yazd city. 382 adolescents were randomly selected t...

today, the women from the half of the civil society population and from the perspective of security in the urban society, they are vulnerable social groups that their security is threatened in different ways. this study seeks to examine the factors affecting social security of women living in two neighborhoods in vanak and sarasiab. research theoretical model is composed (inspired by the views ...

today, countries that have experienced damages caused by wars, pay special attentions to passive defense in their defense strategies to protect their national properties and vital resources. to this end, observing passive defense considerations in urban development and design has a great impact on reducing the vulnerability of cities, financial losses, and casualties as well as increasing citiz...

While existing security protocols were designed with a focus on the core network, enhancement of B5G access network becomes critical importance. Despite strengthening 5G respect to LTE, there are still open issues that have not been fully addressed. This work is articulated around premise rethinking design bottom up, starting at physical layer, only viable in 6G but importantly, arises as an ef...

Conventional wired networks are subject to being tapped by a variety of means, whether copper or fiber connections are used. In addition, methods of network snooping exist that make such eavesdropping minimally invasive, but no less significant. Wireless networking has additional characteristics that also decrease physical network security. As new technologies emerge, the potential for loss of ...

Security in wireless networks has traditionally been considered to be an issue to be addressed separately from the physical radio transmission aspects of wireless systems. However, with the emergence of new networking architectures that are not amenable to traditional methods of secure communication such as data encryption, there has been an increase in interest in the potential of the physical...

OVERVIEW: Since the terrorist attacks of September 11, 2001, in the United States, various steps have been taken around the world to raise the level of security, including anti-terrorist steps, at key facilities and public places where people gather. In that context, the needs are increasing for physical security systems and related equipment. Centered on security systems it developed in the pa...