Tag Archives: WiFi

Three Common Mistakes in Wireless Systems Design for Buildings

Posted on by
Reply

Although cellular and WiFi networks are not required by code, they are crucial for communication. More than 400,000 wireless E-911 calls are made every day…

 

Image Source:  http://bit.ly/1EqvCDv

Source: www.facilitiesnet.com

>” MISTAKE 1: Thinking it’s someone else’s problem.

Don’t let your architect avoid the issue. Design a building with adequate wireless coverage for public safety, cellular, and WiFi. […] WiFi networks are also widely used for Internet traffic and to support building management systems (BMS), Smart Grid, point of sales, audio visual, security, and more. The impact of wireless devices is only expected to increase. Mobile devices are expected to account for 61 percent of worldwide Internet traffic by 2018, compared to 39 percent from wired devices, according toCisco.

MISTAKE 2: Confusion.

Confusing the types of wireless technologies available and/or facility requirements is another pitfall. You don’t want to plan for one type and learn later that technology for common functions is missing. Technologies have different requirements for power, spacing between devices, type of cables, head-end requirements, etc. Therefore, a key factor is to understand each technology thoroughly so it can be planned and implemented properly.

To put it briefly, there are two major wireless technologies — WSP, which are your wireless carriers networks (AT&T, T-mobile ,Verizon, etc.), and WiFi technology, which is a wireless local area network (WLAN) based on Institute of Electrical and Electronics Engineers (IEEE) 802.11 standards.

Both of these transmit via radio frequencies. WiFi (WLAN), however, uses an unlicensed spectrum that transmits at frequencies 2.4GHz and 5 GHz, which are considerably higher frequencies than used for cellular service, which is on a licensed spectrum transmitting within 698MHz-2.7GHz.

MISTAKE 3: Bad budgeting.

Often, contractors develop their budget based on square footage, but wireless isn’t so simple. The price can vary significantly based on the complexity of the needs, the supporting frequencies, coverage area, number of users, and more. By developing preliminary wireless design, IT consultants can provide the owner/operators with a more accurate cost.

Regardless of the facility, it’s no longer a matter of if wireless will be required, just a question of whether you want to plan early before you build, or pay a premium later. IT consultants can help facility managers plan, select the best wireless options to meet end-user needs, and stay to up-to-date with local codes (where required). Furthermore, an IT consultant can better develop a realistic wireless budget for the owner and provide the architect-engineer-construction team with infrastructure requirements, such as pathways, telecom room sizes and locations, power, and cooling, without sacrificing the architect’s vision. Generically speaking, the fee for an IT consultant is insignificant to the overall project cost, and may ultimately save the owner money and headache. Be prepared for what’s to come. Overlooking this need early can often cause a major regret later.

Gislene D. Weig, electrical engineer, RCDD, is a senior consultant at PlanNet Consulting, where her core business involves U.S. and Latin American markets focused on large-scale projects that include voice/data, wired and wireless communication systems, and data network design. She can be reached at gweig@plannet.net.”<

See on Scoop.it – Green Building Operations – Systems & Controls, Maintenance & Commissioning

Advertisement

Energy Efficiency, Smart Buildings & Wireless Control Systems

Posted on by
1

Energy efficient technology and services for the building sector will double by 2022, according to a new report …

Source: www.climatecontrolnews.com.au

>”[…] Since buildings account for a large portion of national energy consumption, most of the governments in the Asia Pacific region have taken steps to promote energy management and energy efficiency in both new construction and existing buildings. […]

“With about 40 per cent of the world’s building stock, Asia Pacific represents a major portion of global real estate,” he said.

“Growing concerns about air pollution in Chinese cities, in particular, is expected to further drive investment in energy efficiency technologies to reduce China’s demand for coal-based electricity.

“The market for energy efficient buildings is expected to double in the next eight years, reaching nearly $92 billion in annual revenue by 2022.”

The largest segment of the energy efficient buildings market in Asia Pacific today is advanced lighting […]

“The commercial buildings sector in the region will experience a significant increase in the adoption of these products in the coming years,” Bloom said. Entitled“Energy Efficient Buildings: Asia Pacific”, the report examines the trends for energy efficient building technology and services in the Asia Pacific region.

It covers three main areas of technology – HVAC, energy efficient lighting, and commercial building automation – as well as the energy service company (ESCO) sector.

The convergence of building automation, information technology, and wireless communications is another area of growth identified by Navigant Research.

A separate report examines the state of the global wireless building controls industry, including global market forecasts for wireless node unit shipments and revenue through 2023.

Wireless controls can be used to link devices found in a variety of building systems, including heating, ventilating, and air conditioning (HVAC), lighting, fire and life safety, and security and access.

In addition, they often provide networked control in buildings or areas where wired controls are simply too challenging or expensive to install.

Worldwide revenue from wireless control systems for smart buildings is expected to grow from $97 million annually in 2014 to $434 million in 2023.  […]

While the adoption and deployment of wireless systems based on standard technologies and protocols, such as Wi-Fi, Zigbee, and EnOcean, are increasing, most wireless devices and control networks used today utilize proprietary, vendor-specific wireless communications technology.

That is likely to change as the demand for interoperability grows, according to the “Wireless Control Systems for Smart Buildings” report. “<

See on Scoop.it – Green Building Operations – Systems & Controls, Maintenance & Commissioning

Google Gives San Francisco Free Wi-Fi in Public Places

Posted on by
Reply

“On Wednesday, San Franciscans were able to hook their gadgets up to free Wi-Fi that launched in 32 new public locations.”

Shaw partners with City of Calgary to offer free public WiFi

Posted on by
Reply

See on Scoop.it – Twitter & Social Media

The City of Calgary has reached an agreement with Shaw Communications to provide free Wi-Fi at city-owned locations.

Duane Tilden‘s insight:

>After reviewing applications, the city decided Shaw had the best proposal and technical expertise, and awarded Shaw the contract.

Shaw will partner with the city to install free WiFi zones in a variety of public locations including recreation facilties, parks and LRT stations.

“The City manages a variety of public spaces and we were looking to partner with an organization that would be able to provide reliable WiFi services, at no cost to citizens, as well as meet industry regulations and provide technical support,” says Heather Reed-Fenske, the city’s manager of  Information Technology.

During the initial launch of the program, public WiFi will be available in a select number of public spaces. […]

Mayor Naheed Nenshi says free public WiFi will give Calgarians better access to city services.

Once the initial zones are up and running, the city will collect feedback from Calgarians to evaluate the success of the program.

An announcement is expected soon on when the service will be available.<

See on globalnews.ca

US #SmartGrid #Networks Exploiting Infrastructure to Provide #Wireless Broadband

Posted on by
Reply

See on Scoop.it – Green Energy Technologies & Development

The USDA Rural Development’s Rural Utilities Service (RUS) has now spent the $250 million committed for smart grid technologies.

Duane Tilden‘s insight:

This investment is helping smart grids to become the norm across the country. A side benefit is that utilities are also developing their smart grids for telecoms over and above that used by meters to send data to network controllers.

A hindrance to cities aiming to develop comprehensive WiFi networks has come from the powerful telecoms industry, which employs its lobbying clout to push for laws blocking or preventing municipalities from offering WiFi or fixed broadband services.

See on www.circleid.com