Patent ID: 9094180
Filing Date: 2015-07-28
Classification: H04L

Abstract:
1. An apparatus comprising: at least a one processor and at least one memory including computer program code, wherein the at least one memory and the computer code are configured to, with the at least one processor, cause the apparatus to at least perform the following: obtain channel state information for jointly processed data streams of a coordinated multi-point transmission, the channel state information being in a predetermined order, and arrange the channel state information in the predetermined order into a datagram; determine a life time of the channel state information, and arrange a time stamp indicating the life time of the channel state information into the datagram; and an interface configured to transmit the datagram to at least one base station of at least two base stations which serve the jointly processed data streams of a coordinated multi-point transmission; wherein said coordinated multi-point transmission of jointly processed data streams comprises joint precoding of data and simultaneous transmission of the precoded data from the at least two base stations.