Self-Contained Scheduled Mobility Measurement Signals

A method of performing a mobility measurement in a wireless device operating in a radio access network, the method comprising:

• receiving a mobility measurement resource assignment identifying one or more demodulation and mobility reference signals of a pre-determined set of demodulation and mobility reference signals (RS);
• demodulating the mobility measurement resource assignment using the one or more demodulation and mobility reference signals of the pre-determined set of demodulation and mobility reference signals;
• and
• determining one or more mobility measurement quality values from the identified one or more demodulation and mobility reference signals.

The method of 44:

• wherein the mobility measurement resource assignment indicates a mobility measurement identity;
• further comprising obtaining an association between the mobility measurement resource assignment and the indicated mobility measurement identity to associate the mobility measurement identity with the one or more mobility measurement quality values;
• wherein the mobility measurement resource assignment includes a parameter value specifying partly the search space;
• and
• wherein the association between the mobility resource assignment and the mobility measurement identity is obtained by extracting the mobility measurement identity from a location of a subspace in the search space specified by the parameter value.

A wireless device for performing mobility measurement, the wireless device being adapted to operate in a radio access network, the wireless device comprising:

• at least one interface to establish a transmission link;
• processing circuitry;
• memory containing instructions executable by the processing circuitry whereby the wireless device is operative to:
• receive a mobility measurement resource assignment identifying one or more demodulation and mobility reference signals of a pre-determined set of demodulation and mobility reference signals;
• demodulate the mobility measurement resource assignment using the one or more demodulation and mobility reference signals of the pre-determined set of demodulation and mobility reference signals;
• and
• determine one or more mobility measurement quality values from the identified one or more demodulation and mobility reference signals.

A network node for a radio access network, comprising:

• at least one interface to establish a transmission link;
• processing circuitry;
• memory containing instructions executable by the processing circuitry whereby the network node is operative to:
• generate a mobility measurement resource assignment identifying one or more demodulation and mobility reference signals of a pre-determined set of demodulation and mobility reference signals;
• and
• send the mobility measurement resource assignment to at least one wireless device operating in the radio access network, the mobility measurement resource assignment being modulated with the one or more demodulation and mobility reference signals of the pre-determined set.