Mobile phones are getting more and more complicated. One reason is that a new radio is needed for each standard-GSM, 3G, and WLAN. A simpler solution, a radio that can be programmed to cover all standards, is now being developed at the Stringent Research Center at Linköping University in Sweden.
“We have come up with three concepts that, together, can reach the goal, the software-defined radio,” says the head of the Center, Professor Christer Svensson.
The three parts are:
The Low-Noise Amplifier and the RF Sampling Receiver Front-End exist already as prototypes in form of functional silicon chips.
Stringent (Strategic Integrated Electronic Systems Research) is Sweden’s largest electronics research center, with more than 50 researchers and graduate students from Divisions of Electronic Devices, Computer Engineering, Electronic Systems, and Embedded Systems. The mission of the Center is to convert complex ideas into silicon, to improve the efficiency of embedded systems, and to reduce developmental times. Basic funding is from the Swedish Foundation for Strategic Research.
The first year of operation has led to many other interesting research results including:
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