Company Filing History:

6 out of 129

Inha-industry Partnership Institute

patents

5 out of 11,277

Electronics and Telecommunications Research Institute

patents

3 out of 379

Intellectual Discovery Co., Ltd.

patents

Years Active: 2001-2018

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14 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 10149303 - Method and apparatus for interference-aware resource-sharing scheme for multiple D2D group communications underlaying cellular networks (2018-12-04),

2. 9526108 - Apparatus and method for mitigation/removal of interference between macro-cell and femto-cell (2016-12-20),

3. 9369969 - System and method to mitigate interference of 3GPP LTE heterogeneous network according to priority of service (2016-06-14),

4. 9313793 - System and method to allocate frequency dynamically based on priority of quality of experience (QoE) in 3GPP LTE heterogeneous network (2016-04-12),

5. 8488721 - Adaptive QRD-M algorithm based signal detecting method by using constellation set grouping in spatial multiplexing multiple-input multiple-output system (2013-07-16),

6. 8218423 - Ranging apparatus and method for improving ranging performance in OFDMA system (2012-07-10),

7. 8068462 - Method and apparatus for retransmitting data based on antenna scheduling in MIMO system (2011-11-29),

8. 8064392 - Method for dynamic resource allocation of uplink and downlink in OFDMA/TDD cellular system (2011-11-22),

9. 7995686 - System and method for co-channel interference cancellation in cellular OFDM systems (2011-08-09),

10. 7746941 - Synchronization apparatus and method for improving timing estimation performance in OFDM-FDMA/CDMA/TDMA system (2010-06-29),

11. RE39275 - Hardware-efficient demodulator for CDMA adaptive antenna array systems (2006-09-11),

12. 7027421 - Method and apparatus for searcher beamforming in CDMA base station system using array antenna (2006-04-11),

13. 6650911 - Sectored array antenna CDMA system for improved softer handoff (2003-11-18),

14. 6249251 - Hardware-efficient demodulator for CDMA adaptive antenna array systems (2001-06-19),

Title: Kyung Hi Chang: Innovator in Communication Technologies

Introduction

Kyung Hi Chang is a prominent inventor based in Seoul, South Korea. He has made significant contributions to the field of communication technologies, holding a total of 14 patents. His work focuses on improving resource-sharing schemes and mitigating interference in cellular networks.

Latest Patents

Kyung Hi Chang's latest patents include a "Method and apparatus for interference-aware resource-sharing scheme for multiple D2D group communications underlaying cellular networks." This invention provides a method for initializing D2D communication requests, deciding the numbers of D2D pairs and CUEs, and applying interference alignment to optimize resource sharing. Another notable patent is the "Apparatus and method for mitigation/removal of interference between macro-cell and femto-cell." This method allocates communication resources to femto-cell user devices and detects high interference indicators to improve communication efficiency.

Career Highlights

Throughout his career, Kyung Hi Chang has worked with esteemed organizations such as the Inha Industry Partnership Institute and the Electronics and Telecommunications Research Institute. His experience in these institutions has allowed him to develop innovative solutions that address critical challenges in communication systems.

Collaborations

Kyung Hi Chang has collaborated with notable colleagues, including Mun Geon Kyeong and Yang Gi Kang. These partnerships have fostered a collaborative environment that enhances the development of cutting-edge technologies.

Conclusion

Kyung Hi Chang's contributions to communication technologies through his patents and collaborations highlight his role as an influential inventor in the field. His innovative approaches continue to shape the future of communication systems.

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