Company Filing History:
Years Active: 2012-2018
Title: Guosong Li: Innovator in Trigonometric Function Circuits and Space-Time Processing
Introduction
Guosong Li is a prominent inventor based in Shanghai, China. He has made significant contributions to the fields of electronics and telecommunications through his innovative patents. With a total of two patents to his name, Li's work focuses on enhancing computational efficiency and signal processing.
Latest Patents
One of Guosong Li's latest patents is titled "Calculating trigonometric functions using a four input dot product circuit." This invention discloses a circuit that utilizes a four-element dot product circuit (DP4) to approximate an argument t=x/pi for an input x. The argument is then input to trigonometric functions such as Sin Pi( ) or Cos Pi( ). The DP4 circuit calculates x times a representation of the reciprocal of pi, with the bits selected based on the magnitude of the exponent of x. The circuit includes four multipliers, two intermediate adders, and a final adder, ensuring accurate outputs for trigonometric functions.
Another notable patent is the "Method and device for the baseband process of the space-time/space-frequency/spatial diversity transmitter." This invention pertains to the SC-FDMA system and features an encoding means connected to the output of the M-point DFT module. It implements effective space diversity, reduces PAPR, and facilitates frequency domain equalization.
Career Highlights
Throughout his career, Guosong Li has worked with several notable companies, including Vivante Corporation and Alcatel Lucent. His experience in these organizations has contributed to his expertise in developing advanced technologies.
Collaborations
Guosong Li has collaborated with talented individuals such as Lefan Zhong and Zhenyu Wang. These partnerships have likely fostered innovation and creativity in his projects.
Conclusion
Guosong Li's contributions to the fields of electronics and telecommunications through his patents demonstrate his innovative spirit and technical expertise. His work continues to influence advancements in computational methods and signal processing.