Company Filing History:

13 out of 4,171

Nortel Networks Corporation

Years Active: 2005-2014

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14 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 8655410 - Beam wobbling for increased downlink coverage and capacity (2014-02-18),

2. 8068876 - Beam wobbling for increased downlink coverage and capacity (2011-11-29),

3. 7756520 - Packet communication system with dual candidate sets for independent management of uplink and downlink transmissions (2010-07-13),

4. 7463616 - Scheduling based on channel change indicia (2008-12-09),

5. 7388852 - Physical layer assisted retransmission (2008-06-17),

6. 7383057 - Cyclic transmit power adjustment scheme (2008-06-03),

7. 7342901 - Medium access control (MAC) protocol for a wireless communication system (2008-03-11),

8. 7301950 - Adaptive state transition control (2007-11-27),

9. 7289427 - Enhanced ARQ with OFDM modulation symbols (2007-10-30),

10. 7218891 - Multi-hop intelligent relaying method and apparatus for use in a frequency division duplexing based wireless access network (2007-05-15),

11. 7203520 - Beam wobbling for increased downlink coverage and capacity (2007-04-10),

12. 7110351 - Enhanced ARQ with OFDM modulation symbols (2006-09-19),

13. 7058085 - Method and apparatus for transmitting data over a network within a specified time limit (2006-06-06),

14. 6885679 - System and method for layer 2 frame delineation recovery (2005-04-26),

Title: **The Innovative Contributions of Yoon Chae Cheong**

Introduction

Yoon Chae Cheong, an accomplished inventor based in Kanata, Canada, has made significant contributions to the field of telecommunications. With a portfolio consisting of 14 patents, Cheong has pioneered several advancements aimed at improving cellular radio systems. His innovative spirit and dedication to reducing signal interference have set him apart in the industry.

Latest Patents

One of Cheong's notable patents is titled "Beam Wobbling for Increased Downlink Coverage and Capacity." This method and apparatus focus on reducing signal interference within a cellular radio system to enhance both coverage and capacity. The innovation involves altering the direction of beams within cell sectors among discrete angular positions according to a predetermined, cyclic pattern. By varying this pattern across adjacent cell sectors, inter-cell interference is significantly reduced or eliminated. This discrete angular movement of beams allows for downlink transmissions to be scheduled, ensuring that transmission to a user occurs based on the beam and time slot with the best carrier to interference (C/I) ratio.

Career Highlights

Throughout his career, Yoon Chae Cheong has worked with prestigious companies, including Nortel Networks Corporation and Apple Inc. His work has significantly impacted the design and functionality of cellular network systems, making contributions that have enhanced user experience and network reliability.

Collaborations

Cheong has collaborated with numerous talented individuals during his career. Notably, he has worked alongside Shalini Suresh Periyalwar and Bassam M Hashem. Their joint efforts have driven forward the innovations that Cheong is recognized for today.

Conclusion

Yoon Chae Cheong's inventive prowess in the telecommunications sector is evident through his body of work and patented innovations. His dedication to enhancing cellular systems illustrates the important role inventors play in shaping technology and improving connectivity for users around the globe. As he continues to innovate, the future of telecommunications holds promising advancements thanks to his efforts.

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Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.