Cambridge Consultants Blog

It’s all around us

By Patrick Pordage - Last updated: Tuesday, August 3, 2010

 
It’s taken as a given that today you’ll have at least one mobile phone.  It’s a device that’s in our pocket or on our desk that we use every day, but when was the last time we stopped to think about how it works? Why, for example when we’re out in a large crowd do we just get our call and not the person’s next to us? (I’m old enough to remember when you used to get a ‘crossed line’ on the only type of phone available in those days, the good old landline).
 

Well, hidden inside every modern wireless product is crucial signal processing that creates and interprets radio signals. DSP allows products to be differentiated, upgradeable and to achieve performance that was previously impossible. But DSP used to be one of those things that used to get left to the end of innovative product development; fine if all went well, but costly if you didn’t have world-class engineers doing the design.  Even then, any arising issue could lead to considerable cost and delay, as with any fault that needs fixing towards the end of the development lifecycle.

So how can someone undertaking a wireless product development make sure they avoid this cost and time?  How can you pour mathematical thinking into a practical product when there are no established development methodologies to help? How do you choose a DSP device when production cost is everything but the software is not written yet?   It’s just these sorts of questions that lead us to develop our unique DSP development process called the SDR Framework™. It has delivered a string of success stories for our clients including cutting-edge products in a fraction of typical industry effort, and cost reductions of up to 100-fold for DSP silicon.  Monty Barlow, who runs our DSP group, has just written a full article on why people need to adopt a new approach to DSP in this month’s Incisor magazine. 

If it’s an issue that worries you, then here’s a link to the full story (see page13).

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