Patent ID: 8503386
Filing Date: 2013-08-06
Classification: H04L,H04W

Abstract:
1. A communications system for exchange of information between a base station and a terminal by a multicarrier transmission mode using a plurality of frequency bands, the communication system comprising: a base station comprising; a dedicated transmission data generator configured to generate frequency band information indicating which frequency band is to be used for transmission of dedicated user data information between said the base station and a terminal; and a transmitter configured to transmit the frequency band information by using a specific frequency band which is set from among a plurality of frequency band assigned to the communications system, and to transmit dedicated user data information by using at least one frequency band set from among said plurality of frequency bands and the specific frequency band, and at the time of establishing the wireless channel, the frequency band usable by the base station and the terminal is restricted, and said specific frequency band and said at least one frequency band set, other than the specific frequency band, are assigned within that restricted frequency band, the terminal comprising; a receiver configured to receive the frequency band information by using the specific frequency band.