Patent ID: 8995550
Filing Date: 2015-03-31
Classification: H04B,H04J,H04L,H04W

Abstract:
1. A transmission device configured to communicate with a reception device, the transmission device comprising: a control information generation unit configured to generate control information including 3-bit rank information indicating a rank that is the number of spatial multiplex of transmission data for said reception device, and having a highest value of 8, and a transmission unit configured to transmit said transmission data, a reference signal that is a signal for said reception device to demodulate a physical downlink shared channel having said transmission data mapped, and said control information, wherein among a first state to an eighth state represented by said 3-bit rank information, the third state to the eighth state indicate that the rank is from 3 to 8, respectively, and the first state and the second state indicate that the rank is less than or equal to 2, and said first state indicates that a sequence by which said reference signal is multiplied is a first sequence, and said second state indicates that a sequence by which said reference signal is multiplied is a second sequence.