Tessco Wireless Journal February March 2015 Page 4 TESSCO Wireless Journal February-March 2015

(continued from page 1) Digital Oilfields: The Evolution of Wireless Networks in the Energy Industry Product information and performance claims are provided by manufacturers. 4 Product information and performance claims are provided by manufacturers. February/March 2015 the well is metered with intensity. And every data point must be captured for the purpose of documenting activi- ties and protocols. This data gathering occurs at various field sites, including wells, meters, compression and pump stations, tank batteries, LACT units, plants and field offices. And it doesn't stop there. Once the product is extracted, it is monitored along the entire pipeline, usually every 30 miles. (Imagine how difficult it is to gather important product data through- out millions of miles of pipeline.) Even the methods by which fields and machines are monitored are adding new bandwidth demands, as video sur- veillance is becoming more prevalent, and more companies are requesting information simultaneously. Other trends in business operations are increasing demand as well. The industry is moving towards centralizing engineering and management, requiring them to monitor and assess operations away from the drill sites. And there is a growing need for daily human inter- action through digital channels. On- the-job employee training and project communication are being transferred wirelessly via laptop computers and mobile devices. Addressing the Communications Demand Work is already in progress to address these demands. Shale operators are building miles of private microwave to extend carrier services into the shale fields. Private network providers are also building networks to cover shale fields and selling or leasing services to operators. But this comes at a cost. Building the network infrastructure requires a significant investment in RF gear, network gear, tower structures, commu- nication buildings, power and electronic equipment. The total investment can be several millions of dollars. Working With Carriers and Private Wireless Services Carrier technologies have successfully transitioned to enterprise private network architecture, delivering higher capacity and lower cost, higher scalabil- ity, and stronger network segregation and control. The carrier-to-enterprise interfaces are technically well matched to provide optimum performance. Private wireless service providers have been assisting with driller and shale operators' "early entry" services by filling in during the network infrastructure build. But this doesn't mean private wire- less service providers have to be a tem- porary solution. Private wireless services can become long-term providers with the right financial terms, so there are more options for the shale operators. TESSCO has decades of experi- ence in the Oil and Gas industry and is uniquely positioned to meet the needs of its customers during this time of huge demand. TESSCO can help you build and maintain an infrastructure reliable enough to handle your critical communications. Visit www.tessco.com to learn more. Demand Rising for Distributed Antenna Systems (DAS) In-building wireless systems are projected to grow more than 20 percent annually world- wide, with expenditures exceeding $16 billion by 2016. This trend, while predicted years ago, is surprising even the most experienced professionals in the industry. Several converging factors have led to such bold predictions. First, customer expec- tations are driving demand. When you con- sider that more than 80 percent of calls (and wireless connections) take place indoors, connectivity within a building has become just as important as traditional utilities. Businesses simply can't compete effectively unless they can communicate effectively, and this need becomes mission critical when downtime equals lost revenue. "Companies (and people) are making real estate investments based on wireless con- nectivity and bandwidth," says Justin Phillips, Senior Business Development Executive at TESSCO. If buildings can't support this requirement, people will go elsewhere to live and work. The second factor that is causing demand for DAS can be found within the buildings themselves. Our desire to be environmentally friendly has adversely affected in-building cellular coverage. For example, the energy- saving windows installed in LEED-certified buildings block RF signals. Add to that our desire to plant more trees and shrubs, and we end up with weaker signals. Finally, and perhaps most urgently, is the need (and demand) for public safety. Connectivity in times of crisis literally saves lives. Emergency personnel must be able to communicate, and victims must have ways to reach out if stranded or in danger. In fact, this issue has become so important that certifi- cates of occupancy for many municipalities are dependent upon fulfilling the emergency communication requirements. Safety concerns are also influencing build- ing design and construction. To put it simply, 9/11 changed everything. The additional structural design enhancements, such as steel, glass and concrete have made it more difficult to receive RF signals, thus the need for DAS is intensified. DAS essentially act as mini towers config- ured inside buildings. The outside bandwidth is brought into the building and strategically broadcast throughout. There are two types of systems that can be deployed-active and passive-depending primarily on the building size and capacity requirements. Passive systems (coaxial) are the typical solution for smaller buildings (less than 100,000 square feet) because of cost and simplicity. Larger buildings and campuses usually require more complex, active systems (fiber), especially for multicarrier solutions and enhanced public safety requirements. The larger installations, such as major venues and campuses, have been installing DAS solutions for several years. But these markets only represent the tip of a growing iceberg. Below the surface are literally thou- sands of enterprises looking for solutions to significantly improve connectivity and band- width within buildings. TESSCO works with its top-tier partners to architect solutions for its customers. There are several items that should be considered (and measured) when scoping a DAS installation. The floor plan, the square footage, the build- ing density, the expected usage, the spectrum and the safety requirements all have to be assessed. TESSCO's portfolio of proven and readily available DAS solutions, coupled with years of wireless experience and engineering, has made it easier for customers to bring profit- able solutions to the emerging marketplace. "I've been involved with wireless for al- most 25 years," said Phillips, "and Distributed Antenna Systems (DAS) is one of the fastest growing segments I've ever seen." Visit www.tessco.com/go/das. "Distributed Antenna Systems (DAS) is one of the fastest growing segments I've ever seen."

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