METHOD AND AN APPARATUS FOR GENERATING REFERENCE SIGNAL USING SEQUENCE AND SEQUENCE GROUP HOPPING INFORMATION IN MULTIPLE INPUT MULTIPLE OUTPUT, CAPABLE OF ASSIGNING CYCLIC SHIFT PARAMETER

摘要

PURPOSE: A method and an apparatus for generating reference signal using sequence and sequence group hopping information in multiple input multiple output are provided to enable the production of reference signals in MIMO by assigning cyclic shift parameter.;CONSTITUTION: A zadoff-chu base sequence is produced(S810). The cyclic shift indicated value of 3bit which is scheduled from the upper end is transmitted from a base station(S830). The user terminal confirms sequence and a sequence group hopping method(S850). Cyclic shift parameters are calculated according to each layer based on calculated on value(S860). DM-RS sequence is produced by the equation 1(S870). The produced DM-RS sequence is mapped with the corresponding symbol of each slot(S880). The SC-FDMA symbol is produced from resource element mapped with DM-RS sequence through a SC FDMA generator. The DM-RS signal is transmitted to the base station(S890).;COPYRIGHT KIPO 2012