نتایج جستجو برای: broadband
تعداد نتایج: 24542 فیلتر نتایج به سال:
Context.\p=m-\Clinician-educators have concerns about their ability to be promoted and the criteria used by medical school promotion committees. Objective.\p=m-\To discover the criteria and methods that medical school promotion committees use to make decisions about the promotion of clinician-educators. Methods.\p=m-\In June 1996 we mailed a questionnaire to chairpersons of all medical school p...
We present a quasielastic neutron scattering (QENS) investigation of the component dynamics in an aqueous Poly(vinyl methyl ether) (PVME) solution (30% water content in weight). In the glassy state, an important shift in the Boson peak of PVME is found upon hydration. At higher temperatures, the diffusive-like motions of the components take place with very different characteristic times, reveal...
This paper examines the policy issues surrounding residential broadband technology, discusses how broadband extends Internet capabilities and at what cost, and makes recommendations for future applications of broadband. It focuses on residential broadband access, and in examining the future of broadband, it identifies three areas of concern: regulatory tendencies and tensions in the US, interna...
The United States Federal Communications Commission delivered to Congress a national broadband plan in 2010. The purpose of this article is to analyze key economic arguments involving the development of the broadband plan addressing open network and competition issues, to make recommendations to the Commission in its formulation of federal policy as to positions that make the most economic sens...
A platform network is an integrated high-capacity general-purpose network. The platform model dominates the market for wired broadband services, reducing the amount of infrastructure required and enabling rapid deployment of new services. We argue that wireless broadband is fundamentally different from wired broadband in ways that limit the benefits of platform networks. Instead, for both techn...
Forest’s ecosystem is one of the most important carbon sink of the terrestrial ecosystem. Remote sensing technology provides robust techniques to estimate biomass and solve challenges in forest resource assessment. The present study explored the potential of Sentinel-2 bands to estimate biomass and comparatively analyzed of red-edge band based and broadband derived vegetation indices. Broadband...
This paper introduces three coding strategies for using the Luby Transform (LT) code in a relay aided power-line communication scheme. In the first method, the relay decodes the received packets and re-encodes them for transmission towards the destination. In the second method, the relay only forwardes a random linear combination of its received packets towards the destination, while in the thi...
Mutual effects between fixed and mobile broadband technologies remain up to this date largely unexplored. The few studies on this subject produce partially contradictory results. Diffusion oriented analysis approaches focused on cross-product effects on growth. Mutual effects on the market potential level have not been studied. In this article we develop and apply two diffusion models, which co...
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