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Changyou Xu

This inventor holds 31 USPTO granted patents and 1 published patent application. Top assignees: Lsi Corporation, Avago Technologies General IP (Singapore) Pte. Ltd., Agere Systems Inc.. Active years: 2012-2015.

USPTO Granted Patents = 31 (Patent Applications = 1)

% Patents Active = 64.5

Average Co-Inventor Count = 3.7

ph-index = 6

Forward Citations = 145(Granted Patents)

Company Filing History:

Avago Technologies General IP (Singapore) Pte. Ltd.

Years Active: 2012-2015

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Areas of Expertise:

Power Usage Governance

Iterative Decoding

Low-Density Parity Check

Data Processing

Inter-Track Interference Mitigation

Turbo Equalization

Error-Correction Decoding

Noise Predictive Filtering

Data Channel Testing

Data Coherency

Memory Efficient Decoding

Signal Delay Alignment

31 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 9213392 - Systems and methods for governing power usage in an iterative decoding system (2015-12-15),

2. 9166622 - Programmable quasi-cyclic low-density parity check (QC LDPC) encoder for read channel (2015-10-20),

3. 8972761 - Systems and methods for idle clock insertion based power control (2015-03-03),

4. 8947804 - Systems and methods for combined binary and non-binary data processing (2015-02-03),

5. 8873177 - Hardware-based methods and apparatus for inter-track interference mitigation in magnetic recording systems (2014-10-28),

6. 8850276 - Systems and methods for efficient data shuffling in a data processing system (2014-09-30),

7. 8799340 - Systems and methods for efficient data channel testing (2014-08-05),

8. 8775896 - Non-binary LDPC decoder with low latency scheduling (2014-07-08),

9. 8775687 - Method to ensure data coherency in a scalable aggregate neighbor-device interface (2014-07-08),

10. 8719682 - Adaptive calibration of noise predictive finite impulse response filter (2014-05-06),

11. 8700976 - Adjusting soft-output values in turbo equalization schemes to break trapping sets (2014-04-15),

12. 8693120 - Systems and methods for sample averaging in data processing (2014-04-08),

13. 8688873 - Systems and methods for monitoring out of order data decoding (2014-04-01),

14. 8683299 - Adjusting input samples in turbo equalization schemes to break trapping sets (2014-03-25),

15. 8677209 - Subwords coding using different encoding/decoding matrices (2014-03-18),

Title: Innovations of Changyou Xu: A Pioneer in Data Processing Technologies

Introduction

Changyou Xu, based in Fremont, CA, is a prolific inventor with an impressive portfolio of 31 patents. His contributions to the field of data processing have paved the way for advancements in efficient power usage and encoding technologies.

Latest Patents

Changyou Xu’s latest innovations include two notable patents. The first, titled "Systems and methods for governing power usage in an iterative decoding system", presents various embodiments that provide advanced methods for data processing. The invention details a data processing circuit that comprises a data detector circuit, a data decoder circuit, and a gating circuit, aimed at optimizing power usage during data operations.

Another significant invention, "Programmable quasi-cyclic low-density parity check (QC LDPC) encoder for read channel," showcases a programmable QC LDPC encoder designed for encoding user data effectively. This encoder features multiple barrel shifter circuits that generate parity bits based on interleaved user bits received and further includes an encoder interleaver memory to enhance the output process. The encoder's design emphasizes configurability and efficiency, addressing contemporary needs in data management.

Career Highlights

Throughout his career, Changyou Xu has made a mark by working with leading technology companies such as LSI Corporation and Avago Technologies. His expertise in developing innovative solutions has positioned him as a vital contributor to advancements in communication and data processing technologies.

Collaborations

Collaborating with esteemed colleagues like Shaohua Yang and Yang Han, Changyou has demonstrated a commitment to pushing the boundaries of technology. Their combined efforts have resulted in significant advancements within their respective fields.

Conclusion

Changyou Xu continues to inspire with his innovations, as he bridges the gap between cutting-edge technology and practical applications. His work not only reflects individual brilliance but also embodies the collaborative spirit essential for success in the ever-evolving landscape of data processing.

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