Yonsei University

Junha Im

Jaeseok Kim

Disclosed is a data transmitting device which includes an input symbol mapping unit converting serial data symbols to parallel data symbols and generating null signals; and a conversion unit converting the parallel data symbols and the null signals to a plurality of subcarriers and a plurality of null subcarriers using sub frequency bands overlapped with one another, wherein the plurality of subcarriers is transformed using sub frequency bands separated from one another.

Growing community of inventors

Seoul, South Korea

Junha Im