COMMUNICATION SYSTEM, COMMUNICATION METHOD, BASE STATION AND MOBILE STATION

摘要

PROBLEM TO BE SOLVED: To provide the communication method of an OFDM base capable of realizing high transmission rate in mobile communication using a TDMA frame, a base station and a mobile station capable conducting communication using this communication method. SOLUTION: Downlink from the base station to the mobile station and uplink from the mobile station to the base station can be utilized simultaneously between the base station and the mobile station, and radio communication is conducted using a TDMA frame, comprising a plurality of slots, as a unit through the uplink and the downlink. The TDMA frame is transmitted by an OFDM transmission system, and one part of an OFDM subcarrier is assigned to radio communication between one base station and one mobile station via the TDMA frame. By doing this, a plurality of radio communications can be realized simultaneously between one base station and a plurality of mobile stations in the OFDM subcarrier as a whole. COPYRIGHT: (C)2005,JPO&NCIPI