Patent ID: 8289917

Claim:
A method of configuring resource elements for the provision of channel state information reference signals, the method comprising: receiving a definition of a plurality of resource elements of a physical resource block (PRB) to be allocated for the provision of channel state information reference signals for a mobile terminal, wherein at least some of the plurality of resource elements of the PRB that are allocated for the provision of channel state information reference signals correspond in position to resource elements of the PRB that are configured to be interpreted as muted by a different type of mobile terminal; and receiving channel state information reference signals via the plurality of resource elements of the PRB that are allocated for the provision of channel state information reference signals, wherein some of the plurality of resource elements of the PRB that are allocated for the provision of channel state information reference signals have identical positions within the PRB to resource elements of the PRB that are configured to be interpreted by the different type of mobile terminal as allocated for provision of channel state information reference signals for the different type of mobile terminal.