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Push to Talk (MCPTT) Services for First Responders
As the professional Mobile Communications world grapples with determining the direction for land mobile networks, a small but growing number of mission critical network managers are looking to Mission Critical Push-to-Talk (MCPTT) services for LTE offering Push-to-Talk Over- Cellular (PoC) as an enticing offering for non-public safety needs.  Aging analog LMR (Land Mobile Radio) infrastructure needing replacement or significant upgrades, coupled with limited financial resources make PTT services attractive. MCPTT will likely gain more traction as services meeting 3GPP standard are rolled out beginning in 2017. ... Read more
SPD Monitoring Provides Functionality to Rail Applications
Millions of people rely on railroads to efficiently travel from place to place.  It’s no secret the tracks these trains run on are located in harsh environments near high power lines and other man-made contributors to poor power quality. Since the tracks themselves act as conductors for lightning events, surge protection proves to be a vital contributor to the reliable operation of trains.
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Grounding Do's and Dont's
Improper grounding accounts for a large percentage of damage and misoperation of sensitive electronic equipment.  Multi-grounding renders equipment susceptible to lightning induced transient over-voltages as well as steady-state noise caused by ground loop currents.  These problems can be avoided by implementing a single-point grounding system and following the National Electrical Code.... Read more
Power Quality Key to Long-Term Viability of Small Cells

To say the mobile revolution is here is, at best, an understatement, and at worst, several years late.

Various sources estimate from 40% to 55% of data traffic (such as online retail) takes place through mobile devices. In other words, if not already, users soon will access the internet more through mobile devices than with a PC.

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Keep DAS Equipment Online with Focus on Power and RF Protection
As an alternative to small cell architectures, distributed antenna system (DAS) designs are taking hold worldwide as an avenue for providing coverage in targeted locations. Utilizing a structure similar to spokes off a hub in a wheel (with a cell site, or macrocell, as the hub and antennae as the spokes outward in areas of concentrated demand), DAS solutions typically can be shared by multiple operators and utilize localized power.... Read more
Smart Grid Interoperability Update
Faced with the significant challenges of interoperability, the Smart Grid Interoperability Panel (SGIP), a member-driven organization comprised of stakeholders from throughout the power and communications industries, continues to tackle the issues presented by the development of the Smart Grid over diverse geographic areas, operating environments and population densities.... Read more
Lightning Protection Even More Critical in Smart Grid Applications
The Smart Grid represents an evolution from a 100-plus-year-old electrical system to what some describe as a modern technological wonder. Proponents say that once in place, the Smart Grid will provide unprecedented communication, flexibility, efficiency and security for electrical power.... Read more
Standards for the Smart Grid
As the electrical power industry continues to evolve toward Smart Grid-based architectures, traditional standards bodies such as IEEE are playing a significant role in developing guidelines that will affect network and power engineers, system designers, and others involved in network deployment.... Read more
Global Mobile Data Traffic Forecast Update, 2011–2016

The Cisco® Visual Networking Index (VNI) Global Mobile Data Traffic Forecast Update is an ongoing initiative to track and forecast the impact of visual networking applications on global networks. This paper presents some of Cisco’s major global mobile data traffic projections and growth trends.

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Bandwidth Battle – Part II Small Cells 


Traditionally, the ever increasing bandwidth demand has been met by the deployment of more towers. While this approach has been effective for some time, it is now reaching its limitations and experiencing diminishing returns. Low-power, shorter range equipment such as small cells promise relief. To succeed, however, this strategy puts some critical requirements on equipment providers.

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