Patent ID: 6359864
Filing Date: 2002-03-19
Classification: H04B,H04W

Abstract:
An FDD/CDMA transmission/reception system comprising:a CDMA transmitter and a CDMA receiver; a plurality of transmission antennas included in the CDMA transmitter; a signal transmission device coupled to the plurality of transmission antennas, the signal transmission device generating weighted transmission signals weighted by different values and communicating the weighted transmission signals to the respective transmission antennas, the signal transmission device further generating pilot signals and communicating the pilot signals to the respective transmission antennas; a reception device included in the CDMA receiver, the receiving device receiving the weighted transmission signals and receiving the pilot signals from the plurality of transmission antennas of the CDMA transmitter; and an antenna control signal device coupled to the reception device, the antenna control signal device generating antenna control signals corresponding to reception power values of the received pilot signals and transmitting the antenna control signals to the CDMA transmitter.