BRUSSELS US patent No. 7,010,033 entitled “Power Dissipation Reduction in Wireless Transceivers,” has been granted to Theta Microelectronics Inc. The patent represents a key element in the company's dynamic biasing and adaptive radio IP portfolio.
Dynamic, or adaptive, power dissipation aims to eliminate power waste by varying the power dissipation according to the receiver’s signal environment. It is accomplished by using circuit techniques in gain, impedance, and bias scaling. These are in turn implemented automatically, based on the output of signal strength indicators that monitor the desired signal and interference.
"The dynamic-power receiver wins over a conventional (fixed-power) receiver by estimating the actual signal and interference power present and adjusting receiver power accordingly enabling lower average power dissipation in some cases, much lower than for fixed-power receiver design,” states Prof. Yannis Tsividis, Theta Microelectronics’ Chief Scientific Advisor and Co-founder.
Theta’s patented dynamic biasing technology is currently incorporated in its OFDM receiver IP blocks design for WiFi and WiMAX applications.