Wireless communication apparatus including data compressor and operating method of the wireless communication apparatus

A wireless communication apparatus comprising:

• a radio frequency integrated circuit (RFIC) configured to receive an input signal to generate a digital sample signal from the input signal;
• a data compressor compressing the digital sample signal according to a compression manner based on a data probability distribution of the input signal to generate a compressed digital sample signal;
• a data decompressor configured to decompress the compressed digital sample signal on the basis of a decompression manner corresponding to the compression manner to generate a decompressed digital sample signal;
• a data transfer link configured to transfer the compressed digital sample signal to the data decompressor;
• and
• a processor configured to process the decompressed digital sample signal,
• wherein the compressing determines a receivable signal amplitude range of the RFIC, selects a data probability distribution that corresponds to the receivable signal amplitude range from among a plurality of different data probability distributions, determines a value of bit data of an exponent region associated with a data value of the digital sample data as a value of an amplitude region of the selected data probability distribution in which the data value falls, determines a value of bit data of a mantissa region associated with the data value based on the determined value, and performs a floating point conversion on the digital sample data to have a data format suitable for a number of bits of the mantissa region and a number of bits of the exponent region,
• wherein the data compressor is configured to perform truncation on the digital sample data to generate truncated sample data and perform the floating point conversion on the truncated sample data on the basis of a point at which a value of the truncated sample data is in the data probability distribution of the input signal.