Chang-hoon Choi is a prominent inventor based in Yongin-si, South Korea. He has made significant contributions to the field of signal processing, particularly in the development of advanced receiving and transmitting apparatuses. With a total of nine patents to his name, Choi continues to push the boundaries of technology.

Latest Patents

One of his latest patents is titled "Receiving apparatus and decoding method thereof." This invention includes a first decoder that decodes a signal transmitted through a first layer from a layered division multiplexing (LDM) signal using a parity check matrix. It generates low density parity check (LDPC) information word bits and parity bits. Additionally, an encoder is configured to encode the LDPC information word bits, generating parity bits corresponding only to preset columns in the parity check matrix. A second decoder is also included, which decodes a signal obtained by removing specific signals from the LDM signal, ultimately generating information word bits transmitted through a second layer.

Another notable patent is "Transmitting apparatus, receiving apparatus, and control methods thereof." This invention features an L1 signaling generator that produces L1 signaling, which includes first and second information. A frame generator creates a frame that includes a payload with multiple sub frames. The signal processor inserts a preamble containing the L1 signaling into the frame for transmission. This innovation significantly reduces processing delays in receiving apparatuses.

Career Highlights

Chang-hoon Choi is currently employed at Samsung Electronics Co., Ltd., where he applies his expertise in signal processing to develop cutting-edge technologies. His work has been instrumental in enhancing communication systems and improving data transmission efficiency.

Collaborations

Choi has collaborated with talented coworkers, including Jung-hyun Park and Sung-kyu Jung. Their combined efforts have led to advancements in the field and have contributed to the success of their projects.

Conclusion

Chang-hoon Choi is a distinguished inventor whose work in signal processing has resulted in numerous patents and innovations. His contributions continue to shape the future of communication technologies.

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