COMMUNICATION TERMINAL DEVICE AND BASE STATION DEVICE

摘要

A buffer (106) temporarily accumulates transmission data. A CQI transmission control section (113) outputs an instruction signal for generating CQI to a CQI generation section (107) when the transmission data is accumulated in the buffer (106). When an instruction signal is input from the CQI transmission control section (113), the CQI generation section (107) generates CQI according to quality information. When no instruction signal is input from the CQI transmission control section (113), no CQI is generated. A base station information extraction section (108) extracts transmission parameter information and scheduling information contained in the reception data. A channel coding section (109) encodes the transmission data according to information on the transmission parameter information encoding ratio A modulation section (110) modulates the transmission data according to the information on the transmission parameter information modulation method. Thus, it is possible to perform a large-capacity packet data communication in the uplink line at a high speed with an optimal condition according to a communication environment.