Method and apparatus for configuring resource elements for the provision of channel state information reference signals

摘要

Methods, apparatus and computer program products define additional resource elements of a physical resource block (PRB) to be allocated for the provision of channel state information reference signals in a manner that does not create issues relating to backwards compatibility for legacy mobile terminals. A method may include receiving a definition of a plurality of resource elements of a PRB to be allocated for provision of channel state information reference signals. 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 interpreted by a different type of mobile terminal to be muted. The method also causes channel state information reference signals to be received via the plurality of resource elements of the PRB that are allocated for the provision of channel state information reference signals.

主权项

1. A method of configuring resource elements for 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 a density, per antenna port of the mobile terminal, of the plurality of resource elements of the PRB allocated for the provision of channel state information reference signals for the mobile terminal is greater than a density, per antenna port of the different type of mobile terminal, of resource elements of the PRB that are allocated for channel state information reference signals for the different type of mobile terminal.