Patent ID: 9264927
Filing Date: 2016-02-16
CPC Classification: H04J,H04L,H04W,Y02D

Claim Text:
1. A method in a network node for collecting channel-state-information (CSI) feedback in a wireless network that comprises a plurality of geographically separated transmission points sharing a cell identifier, the method comprising: receiving CSI feedback from a mobile station, based on measurements of first CSI reference symbols (CSI-RS) transmitted on a first CSI-RS resource from a first one of the transmission points; detecting that the mobile station has approached a second one of the transmission points, differing from the first one of the transmission points; reconfiguring the mobile station, in response to said detecting, by transmitting a reconfiguration message to the mobile station, to measure CSI-RS on a second CSI-RS resource transmitted from the second one of the transmission points; and receiving CSI feedback from the mobile station, based on measurements of second CSI-RS transmitted on the second CSI-RS resource from the second one of the transmission points.