Patent ID: 8406333
Filing Date: 2013-03-26
Classification: H04B,H04L

Abstract:
1. A method for modifying a signal of a transmitting end and transmitting the signal through multiple antennas, comprising: upon receiving channel state information from a receiving end: transmitting the signal by the transmitting end to the receiving end, wherein, when a number of antennas of the receiving end is larger than a number of antennas of the transmitting end, the performing pre-equalization adds at least one of a pilot symbol and a pilot sequence to the signal of the transmitting end, wherein the precoding matrix is used to adjust each phase of a part of the signal that is related to the number of antennas of the transmitting end and the at least one of the pilot symbol and the pilot sequence is used for channel estimation of a remaining part of the signal, and wherein the receiving end performs coherent detection of the signal based on the adjusted phase part of the signal and the channel estimation part of the signal.