Determining a position of a wireless device

A position determination node for determining a position of a wireless device within a single radio cell served by a plurality of remote radio heads, the position determination node comprising:

• processing circuitry;
• memory containing instructions executable by the processing circuitry whereby the position determining node is operative to:
• receive a measured power signature comprising at least two separated in time power measurement values of a downlink signal, the measured power signature originating from the wireless device;
• compare the measured power signature with a set of reference power signatures, wherein each one of the plurality of remote radio heads is associated with a reference power signature and the reference power signatures differ for at least two of the plurality of remote radio heads;
• and
• determine a position of the wireless device as being in the vicinity of one of the at least one remote radio head whose reference power signature best matches the measured power signature.

A non-transitory computer readable recording medium storing a computer program product for determining a position of a wireless device within a single radio cell served by a plurality of remote radio heads, the computer program product comprising software instructions which, when run on processing circuitry of a position determining node, causes the position determining node to:

• receive a measured power signature comprising at least two, in time separated, power measurement values of a downlink signal, the measured power signature originating from the wireless device;
• compare the measured power signature with a set of reference power signatures, wherein each one of the plurality of remote radio heads is associated with a reference power signature and the reference power signatures differ for at least two of the plurality of remote radio heads;
• and
• determine a position of the wireless device as being in the vicinity of one of the at least one remote radio head whose reference power signature best matches the measured power signature.