FIELD: wireless communication.
SUBSTANCE: wireless communication device contains section (105) of control information extraction, which extracts information indicating a number of CQI indicators contained in control information; sections (from 113-1 to 113-n) of reception quality measurement, which measure the reception quality of each subcarrier within a transmission frequency band; CQI generation section (114), which generates CQI indicators for some of subcarriers of the highest reception quality within a communication frequency band; multiplexer (122), which multiplexes CQI indicators, information about a number of subcarriers forming CQI indicators, ACK signals or NACK signals; SC selection section (127), which then selects a number of subcarriers, from a base station device, of the highest reception quality assigned using information about CQI quality designation.
EFFECT: increase in the information capacity that can be transmitted, and a decrease in power consumption by reducing a value of a control signal, as well as an increase in the system bandwidth by reducing crosstalk relatively to other wireless communication devices.
18 cl, 15 dwg
