US Patent 9917625 Handover signaling for beamforming communications

According to one or more aspects, a wireless device may transmit a message to a serving base station comprising parameters indicating that the wireless device supports configuration of a first quantity of channel state information (CSI) processes. The serving base station may transmit a message to the wireless device comprising measurement configuration parameters for the wireless device. The serving base station may transmit an indication of the measurement configuration parameters to a target base station in response to a determination to make a handover of the wireless device.