Location History:
- Kfar Sava, IL (2001 - 2002)
- Kfar Saba, IL (2006)
- Ksirsava, IL (2003 - 2010)
Company Filing History:
Years Active: 2001-2010
Title: Zvi Greenfield: Innovator in Digital Signal Processing
Introduction
Zvi Greenfield is a prominent inventor based in Ksirsava, IL. He has made significant contributions to the field of digital signal processing, holding a total of 6 patents. His work focuses on enhancing the performance of wireless communication systems through innovative technologies.
Latest Patents
Zvi Greenfield's latest patents include groundbreaking advancements in digital signal processors. One of his notable inventions is a high-performance turbo and Viterbi channel decoding system. This technology enables digital signal processors to perform turbo and Viterbi channel decoding efficiently in wireless systems. The computation block of the processor is equipped with an accelerator that executes instructions related to trellis computations. An ACS instruction is designed to perform trellis computations of alpha and beta metrics, allowing multiple butterfly calculations in response to a single instruction. Additionally, a TMAX instruction calculates the log likelihood ratio of the trellis.
Another significant patent involves despread signal recovery in digital signal processors. This invention allows for effective despread decoding in wireless telephone systems. By utilizing orthogonal codes, data signals are combined into a single coded signal for transmission. The orthogonal codes facilitate the retrieval of individual data signals from the overall coded signal. Despread instructions are integrated into the functionality of the digital signal processor, enhancing its performance.
Career Highlights
Zvi Greenfield is currently employed at Analog Devices, Inc., where he continues to innovate in the field of digital signal processing. His work has had a profound impact on the development of technologies that improve wireless communication.
Collaborations
Zvi has collaborated with notable colleagues, including Jose Fridman and Dina Treves. Their combined expertise has contributed to the advancement of various projects within the company.
Conclusion
Zvi Greenfield's contributions to digital signal processing exemplify his dedication to innovation and technology. His patents reflect a commitment to enhancing wireless communication systems, making him a key figure in the industry.