A reception apparatus comprising: a reception unit for receiving first reception signals (16401A, 16401B) and second reception signals (16402A, 16402B) each obtained by receiving a plurality of signals transmitted from a plurality of antennas (312A, 312B) at the same time at the same frequency; and a demodulation unit demodulating the first reception signals (16401A, 16401B) and the second reception signals (16402A, 16402B), wherein the first reception signals (16401A, 16401B) are acquired by receiving a first transmission signal z1 and a second transmission signal z2, where the first transmission signal z1 and the second transmission signal z2 are generated for each of a plurality of slots by performing a precoding process represented by one matrix, selected regularly from among N matrices by hopping between the N matrices for each of the plurality of slots, on a first modulated signal s 1 and a second modulated signal s2, and N is an odd number greater or equal to 3, the second reception signals (16402A, 16402B) are acquired by receiving a first transmission signal z3 and a second transmission signal z4, where the first transmission signal z3 and the second transmission signal z4 are generated, by performing a precoding process represented by one precoding matrix selected from among a plurality of matrices based on information fed back by the reception apparatus, on a first modulated signal s3 and a second modulated signal s4, the demodulation unit demodulates the first reception signals (16401A, 16401B) according to the precoding process represented by the one matrix selected for each of the plurality of slots, and demodulates the second reception signals (16402A, 16402B) according to the precoding process represented by the one matrix selected based on the fed-back information. a reception unit for receiving first reception signals (16401A, 16401B) and second reception signals (16402A, 16402B) each obtained by receiving a plurality of signals transmitted from a plurality of antennas (312A, 312B) at the same time at the same frequency; and a demodulation unit demodulating the first reception signals (16401A, 16401B) and the second reception signals (16402A, 16402B), wherein the first reception signals (16401A, 16401B) are acquired by receiving a first transmission signal z1 and a second transmission signal z2, where the first transmission signal z1 and the second transmission signal z2 are generated for each of a plurality of slots by performing a precoding process represented by one matrix, selected regularly from among N matrices by hopping between the N matrices for each of the plurality of slots, on a first modulated signal s 1 and a second modulated signal s2, and N is an odd number greater or equal to 3, the second reception signals (16402A, 16402B) are acquired by receiving a first transmission signal z3 and a second transmission signal z4, where the first transmission signal z3 and the second transmission signal z4 are generated, by performing a precoding process represented by one precoding matrix selected from among a plurality of matrices based on information fed back by the reception apparatus, on a first modulated signal s3 and a second modulated signal s4, the demodulation unit demodulates the first reception signals (16401A, 16401B) according to the precoding process represented by the one matrix selected for each of the plurality of slots, and demodulates the second reception signals (16402A, 16402B) according to the precoding process represented by the one matrix selected based on the fed-back information.