Qin Zhengdi, an accomplished inventor based in Tampere, Finland, has made significant strides in the world of communications technology. With a remarkable portfolio comprising seven patents, she is a key figure in the development of advanced methods for signal processing, particularly within the field of Code Division Multiple Access (CDMA) transmissions.

Latest Patents

Qin Zhengdi's latest patents showcase her innovative contributions to the telecommunications sector. One of her notable inventions, titled "Reception of Multiple Code Length CDMA Transmissions," focuses on acquiring code synchronization as part of receiving and decoding spread spectrum transmissions. This patent involves the reception of a series of signal samples that make up a signal sample sequence, representing a spread signal length augmented with additional symbols to create a padded signal sample sequence. This sequence is then correlated with a locally produced sample sequence to achieve code synchronization.

Another key patent, "Determination of the Position of a Pulse Peak," pertains to improving the accuracy in determining the position of a pulse peak in a received signal. The method entails taking samples from the received signal and selecting at least three samples based on their signal strength, with at least one sample exceeding a predetermined threshold. This information is used for interpolating the pulse peak position, thereby enhancing the precision of the determination in cellular communication systems.

Career Highlights

Currently, Qin Zhengdi is associated with Nokia Corporation, a leading player in the telecommunications industry. Her work there has had a profound impact on mobile communication technologies, particularly in enhancing the efficiency and reliability of CDMA systems. Through her innovative methods, she has contributed significantly to the advancement of telecommunications.

Collaborations

Throughout her career, Qin has collaborated with esteemed colleagues such as Seppo Turunen and Mikko Jarvela, working as a cohesive team to push the boundaries of technological advancements in their field. Their combined expertise has fostered innovation and has been instrumental in the successful development of various patented technologies.

Conclusion

Qin Zhengdi stands out as a prominent inventor in the field of telecommunications, with a strong focus on CDMA technology. Her latest patents reflect her dedication to improving signal processing techniques and enhancing communication systems. With her contributions, which continue to shape the future of mobile communications, Qin's work exemplifies the vital role of inventors in driving innovation in technology.

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