Patent ID: 8693572
Filing Date: 2014-04-08
Classification: H03M,H04L

Abstract:
1. A method for transmitting a signal of an orthogonal frequency division multiplexing type, comprising: performing modulation to allow a digital unit to divide data to be transmitted into at least two data symbols and transmit the data in parallel over a plurality of subcarriers corresponding to the at least two data symbols; dividing and compressing the modulated data in a predetermined compression block unit and outputting the compressed modulated data; receiving the compressed modulated data by a radio unit interface-connected with the digital unit; decompressing the compressed modulated data and recovering the decompressed data into the modulated data and converting the recovered modulated data into a time domain signal; and wirelessly transmitting the time domain signal, wherein the outputting of the compressed modulated data includes, separating the modulated data into data corresponding to even subcarriers and data corresponding to odd subcarriers; compressing a compression block separated into the data corresponding to the even subcarriers and compressing a compression block separated into the data corresponding to the odd subcarriers; and outputting the compressed modulated data for each compression block.