Levent Demirekler

Title: Levent Demirekler: Innovator in Signal Processing Technologies

Introduction

Levent Demirekler is a notable inventor based in Columbia, MD (US), recognized for his contributions to signal processing technologies. With a total of 3 patents, he has made significant advancements in the field, particularly in methods that enhance communication systems.

Latest Patents

Demirekler's latest patents include a "Method and apparatus for peak to average power ratio reduction for orthogonal frequency division multiplex systems." This innovative multi-stage signal processing method effectively reduces the Peak to Average Power Ratio (PAPR) of Orthogonal Frequency Division Multiplexed (OFDM) signals without compromising the system's bit error rate. The method involves apportioning tones into various types and processing them in a specific order to optimize PAPR reduction. Another significant patent is the "Apparatus and method for echo cancellation," which focuses on detecting and tracking the active regions of the echo channel impulse response. This approach utilizes a sparse model to cancel the echo component of the received signal, employing two sets of filter coefficients for effective tracking and detection.

Career Highlights

Levent Demirekler is currently associated with Nortel Networks Corporation, where he applies his expertise in signal processing to develop cutting-edge technologies. His work has been instrumental in advancing communication systems, making them more efficient and reliable.

Collaborations

Demirekler collaborates with talented professionals in his field, including his coworker Aleksandar Purkovic. Their combined efforts contribute to the innovative projects at Nortel Networks Corporation.

Conclusion

Levent Demirekler's contributions to signal processing technologies through his patents and work at Nortel Networks Corporation highlight his role as a key innovator in the industry. His advancements continue to shape the future of communication systems.