The paper presents new trends in motion capture systems for human gait analysis, such as: resonant magnetic techniques, inertial techniques, and wireless positioning techniques based on Ultra-Wideband (UWB) communication. The new techniques, due to the irrelatively low expected prices, can replace expensive optical systems that are commonly used today. As the new systems are mostly based on the Wireless Sensor Network (WSN) technology, any improvement in their ranging precision, which is a key aspect in this case requires development of new ultra low power microelectronics circuits. Selected solutions in this area are presented in the paper.
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