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Qualcomm Modems – the “behind-the-screens” magic

Do you know how many radio technologies a modern smartphone or tablet can have in it? Here’s a list of all the flavors of 2G, 3G, and 4G cellular radios plus miscellaneous ones.

Feb 14, 2012 by Prakash Sangam

Marching toward femto networks!

During my recent talk about small cells and their evolution toward higher coverage, capacity and reach, a listener asked me, “Isn’t that what today’s picocells offer?” The answer is, “Exactly!” As we move toward femto networks, femtos will be used as traditional picocells, combining the plug and play benefit of femto architecture with larger coverage and capacity of picocells. Our recent announcement of femto chipsets supporting up to 32 users is a major step in that direction.

Dec 5, 2011 by Prakash Sangam

The ins and outs of MIMO in HSPA+

With a few exceptions, more is always better — and antennas are no exception! Realizing this, HSPA+ evolution incorporates a slew of advanced multi-antenna techniques such as MIMO (Multiple Input Multiple Output), Beamforming/Transmit Diversity, and others. MIMO is one of the main components for enabling HSPA+’s famed, successively higher peak data rates – starting from 28 Mbps in Rel. 7 to 168 Mbps in Rel. 10, and even higher in Rel. 11 and beyond, also called HSPA+ Advanced.

Sep 13, 2011 by Prakash Sangam

Bracing for the social media onslaught…

The explosive growth in social media that my friend Sachin discusses in his blog, is fast becoming a reality in many parts of the world, adding to the unprecedented demand for data services. If the constant flurry of new smartphones and tablets being announced is any indication, the onslaught will continue far into the future.

May 12, 2011 by Prakash Sangam

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