TRANSMISSION DIVERSITY SYSTEM

摘要

When receiving signals from a base station having a plurality of transmission antennas, a mobile station measures the propagation losses of the signals from the antennas, the fading frequencies, the antenna correlation values and so on, and notifies the base station, by use of the upstream channel, which antenna weight of the base station should be controlled for communication and about the weight information. The base station extracts the antenna selection information and weight control information transmitted from the mobile station, controls the weight of the selected antenna, and fixes the weights of the unselected antennas, thereby establishing communication with the mobile station.