CHANNEL QUALITY INFORMATION FEEDBACK METHOD IN A MULTIPLE INPUT MULTIPLE OUTPUT COOMUNICATION SYSTEM AND APPARATUS THEREOF CAPABLE OF PROVIDING ACCURATE CHANNEL QUALITY INFORMATION TO A BASE STATION

摘要

PURPOSE: A channel quality information feedback method in an MIMO(Multiple Input Multiple Output) communication system and apparatus thereof are provided to give determined average SINR(Signal-to-Interference plus Noise Ratio) low limitation values feedback on a base station by determining low limitation values for the SINR of a reception side.;CONSTITUTION: A portable terminal receives a data stream from a base stations(300). The portable terminal calculates low limitation values of average SINR for the received data stream(305). The portable terminal transmits the low limitation values of the calculated average SINR as information to the base stations(310). The real SINR is accurately predicted through the low limitation value of the calculated average SINR.;COPYRIGHT KIPO 2012