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4G

Technology for Technicians: 2013 Trends

By guest on February 20, 2013
Rugged Tablet

It is a great time to be a technician using technology. Work done in the field is getting easier, more efficient and more accurate as the tools we use get smaller, faster and more precise. And we can perform new functions in ways we might not have imagined five years ago. Asset tracking, inventory and cloud computing are three of the strongest application trends in 2013.

Samsung Introduces 4G Connected Galaxy Camera

By agaur on October 7, 2012
Samsung 4G Connected Galaxy Camera
Samsung Telecommunications America plans to launch Samsung Galaxy Camera on AT&T 4G network soon.  The Galaxy Camera combines high performance photography with Android 4.1 Jelly Bean and 4G mobile internet connectivity, resulting in a powerful point and shoot camera with a familiar, intuitive user interface and access to all of Android applications from the Google Play market.
 

Why OFDM is Chosen As Radio Transmission Technique in 4G?

By kamal on September 20, 2012
OFDM

OFDM stands for Orthogonal Frequency Division Multiple Access. OFDM is a multicarrier technique in which information to be transmitted is mapped onto several parallel orthogonal sub-carriers. OFDM when combined with Frequency Division Multiple Access (FDMA) or Time Division Multiple Access (TDMA) or a mix of both, can be used for multiple access.

GSM to LTE – Radio Transmission Technologies

By kamal on September 15, 2012
GSM to LTE

Seeds of today’s mobile communication were laid down in 1947 when the AT&T for the first time introduced the cellular concept of reusing radio frequency. Today, the cellular concept is fundamental to almost all mobile communication technologies.

This article provides an overview of the radio transmission technologies used in mobile cellular communication, right from 1G to 4G.

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