Mehrdad Hessar

Title: Innovations of Mehrdad Hessar in Backscatter Technology

Introduction

Mehrdad Hessar is an accomplished inventor based in Seattle, WA. He has made significant contributions to the field of backscatter technology, focusing on image and video transmission systems. With a total of 2 patents, his work is paving the way for advancements in low-power communication methods.

Latest Patents

Hessar's latest patents include innovative systems for image and video transmission using backscatter devices. One of his notable inventions describes methods for backscattering carrier signals in accordance with pixel values of an image or video. This technology allows for the conversion of signals into a pulse-containing waveform, where the pulse widths and duty cycles are determined by pixel values. The backscatter transmitters can then relay these signals to a receiver, enabling video transmission with low power consumption and battery-free operation.

Another significant patent involves backscatter systems and techniques utilizing CSS modulation. This invention allows for backscatter communication over wide areas by employing CSS modulation to provide backscatter signals, such as LoRa packets. The devices can toggle their impedance between multiple settings to reduce higher-order harmonic components in the backscatter signal, enhancing the overall efficiency of the communication.

Career Highlights

Hessar is currently affiliated with the University of Washington, where he continues to innovate and develop new technologies. His work has garnered attention for its potential applications in various fields, including wireless communication and sensor networks.

Collaborations

Hessar collaborates with notable colleagues, including Vamsi Talla and Joshua R Smith. Their combined expertise contributes to the advancement of research in backscatter technology and its applications.

Conclusion

In summary, Mehrdad Hessar's contributions to backscatter technology are noteworthy and impactful. His innovative patents reflect a commitment to developing efficient communication systems that can operate with minimal power. His work continues to inspire advancements in the field, showcasing the potential of backscatter devices in modern technology.