نتایج جستجو برای: transportation and telecommunication

تعداد نتایج: 16835097  

Journal: :Discrete Applied Mathematics 2003
Shane Dye Leen Stougie Asgeir Tomasgard

Modern distributed telecommunication networks have widely extended the possibilities of the telecommunication industry for ooering a wide variety of services, directly or indirectly by facilitating them for other service providers. As new services are often processing based there is a need for a shift of focus in research from traditional transportation of information to processing of informati...

2007
Geoffrey M. Garner

This contribution proposes for Recommendation G.812 (1) a holdover specification for Clock Type II that is consistent with the current specification of 10 per day and is not broken into aging, temperature, and initial offset components and (2) a modification to the output wander TDEV mask, to apply only to Types II and III, to make the mask consistent with the respective wander generation TDEV ...

Telecommunication companies have received a great deal of research attention, which have many advantages such as low cost, higher qualification, simple installation and maintenance, and high reliability. However, the using of technical maintenance approaches in Telecommunication companies could improve system reliability and users' satisfaction from Asymmetric digital subscriber line (ADSL) ser...

Journal: :JNW 2014
Kun Mu Li Li

Key management plays fundamental role in research on security service in wireless sensor networks (WSNs). However, due to the resource constraints, establishing pairwise keys in WSNs is not a trivial tasks. Several exiting key management schemes have been proposed in literature to establish pairwise keys between sensor nodes, but they either can not offer strong resilience against node capture ...

Journal: :مجله علوم اعصاب شفای خاتم 0
ali assari department of urban design and planning, roudehen branch, islamic azad university, tehran, iran. maryam mousavi nik mental health research center, tehran institute of psychiatry, school of behavioral sciences and mental health, iran university of medical sciences, tehran, iran. mohammad bagher saberizafarghandi mental health research center, tehran institute of psychiatry, school of behavioral sciences and mental health, iran university of medical sciences, tehran, iran. reza eshaghi farahmand mental health research center, tehran institute of psychiatry, school of behavioral sciences and mental health, iran university of medical sciences, tehran, iran. reza naghdbishi department of architecture, roudehen branch, islamic azad university, tehran, iran.

sustainable road transportation requires integration with economic, social and environmental aspects of transportation. it depends on term and condition of each society. in the recent decades, transportation is growing fast in iran and isfahan follows this scenario. the aim of this study is to study the traffic, parking road properties of isfahan metropolitan area who are actively implementing ...

Razavi Karamouz, Tahereh, Montazeri, Mohammad , Pasandipour, Neda ,

The present study was conducted to "determine the effect of job complexity on employees' creativity with the mediating role of job stress in South-East Oil Pipeline and Telecommunication Company of Iran”. This research was applied study, and in terms of nature and method was correlation. The statistical population of this study consisted of all employees in Iran Oil Pipeline and Telecommunicati...

The objective of this research was to identify and rank the barriers knowledge sharing by using the fuzzy hierarchy analysis method. This research is consumed an applied-developmental research, in terms of objective and the descriptive-survey in terms of nature. The research population included all managers of telecommunication projects of Telecommunication Office of National Iranian South Oil ...

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