Friday, February 05, 2010

SDR Applications

Software Defined Radio has been under development for many years -- primarily the military. In this whitepaper by Xilinx they position several applications on Geoffrey Moore's Crossing the Chasm model.

Smartphones follow Milcom and Satcom applications in the adoption curve. Some smartphones already use elements of SDR such as
Apple's iPhone 3G which uses the Infineon Baseband processor that has a reprogrammable DSP for baseband processing. Ericsson, Nokia, Samsung, and LG are also using similar chip sets and processing to achieve the benefits of SDR.

In the wireless infrastructure world base stations are now considered a commodity and thus price pressures require a common engineering platform targeted a multiple applications and air interfaces. ASICs can only go so far in achieving cost reductions. The next step is to apply SDR techniques. While on a single base station the cost of materials may be higher, that cost goes down when spread over several models.

In the coming years, more commercial applications spurred by the availability of spectrum without prior licensing will cross the chasm and start drawing more investment dollars.

Best regards,

Hall T.

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