Beam-based measurement configuration
A wireless device may receive from a first base station, measurement configuration parameters of a measurement of the wireless device. The measurement configuration parameters comprise first beam identifiers of a first plurality of beams, second beam identifiers of a second plurality of beams and a measurement event indicating that a second combined reference signal measurement value of the second plurality of beams exceeds a first combined reference signal measurement value of the first plurality of beams by more than a first offset value. The first plurality of beams and the second plurality of beams are monitored to determine an occurrence of the measurement event. The first base station transmits a measurement report in response to the occurrence of the first measurement event. The measurement report comprises: the first combined reference signal measurement value and the second combined reference signal measurement value.
1. A method comprising:
receiving, by a wireless device from a first base station, a radio resource control message comprising measurement configuration parameters of a measurement report of the wireless device, the measurement configuration parameters comprising:
first beam identifiers of a first plurality of beams;
second beam identifiers of a second plurality of beams; and
at least one measurement parameter indicating a measurement reporting event type, wherein the measurement reporting event type is triggered based on a second combined reference signal measurement value of the second plurality of beams exceeding a first combined reference signal measurement value of the first plurality of beams by more than a first offset value;
monitoring, by the wireless device, the first plurality of beams and the second plurality of beams to determine an occurrence of the measurement reporting event type; and
transmitting, by the wireless device to the first base station, a measurement report in response to the occurrence of the measurement reporting event type, the measurement report comprising:
the first combined reference signal measurement value of the first plurality of beams; and
the second combined reference signal measurement value of the second plurality of beams.
2. The method of claim 1 , wherein:
the first combined reference signal measurement value comprises at least one of:
a first combined reference signal received power; or
a first combined reference signal received quality; and
the second combined reference signal measurement value comprises at least one of:
a second combined reference signal received power; or
a second combined reference signal received quality.
3. The method of claim 1 , wherein the first plurality of beams are serving beams of the wireless device.
4. The method of claim 1 , wherein the measurement configuration parameters further comprise at least one of:
a beam individual offset value for at least one of the first plurality of beams or the second plurality of beams for a measurement report;
one or more cell identifiers associated with the first plurality of beams or the second plurality of beams;
beam information of the first plurality of beams or the second plurality of beams; or
the first offset value.
5. The method of claim 1 , wherein the measurement configuration parameters further comprise at least one of:
a first number of a quantity of the first plurality of beams; and
a second number of a quantity of the second plurality of beams.
6. The method of claim 1 , wherein the measurement configuration parameters further comprise at least one of:
a second measurement reporting event type indicating that a combined reference signal measurement value of the first plurality of beams is smaller than a first power value; or
a third measurement reporting event type indicating that a combined reference signal measurement value of a third plurality of beams exceeds a second power value.
7. The method of claim 1 , wherein the measurement configuration parameters further comprise one or more measurement reporting event types indicating at least one of:
a reference signal measurement value of a first serving beam being smaller than a reference signal measurement value of a second serving beam by more than a second offset value;
a reference signal measurement value of a third serving beam being smaller than a reference signal measurement value of a first non-serving beam by more than a third offset value;
a reference signal measurement value of a fourth serving beam being smaller than a third power value; and
a reference signal measurement value of a second non-serving beam being larger than a fourth power value.
8. The method of claim 1 , wherein:
the first plurality of beams are beams of a serving cell of the wireless device; and
the second plurality of beams are beams of a non-serving cell of the wireless device.
9. The method of claim 1 , wherein the measurement report further comprises at least one of:
a first information element indicating whether the first combined reference signal measurement value of the first plurality of beams is based on a synchronization signal or based on a reference signal; or
a second information element indicating whether the second combined reference signal measurement value of the second plurality of beams is based on a synchronization signal or based on a reference signal.
10. A wireless device comprising:
one or more processors; and
memory storing instructions that, when executed by the one or more processors, cause the wireless device to:
receive, from a first base station, a radio resource control message comprising measurement configuration parameters of a measurement report of the wireless device, the measurement configuration parameters comprising:
first beam identifiers of a first plurality of beams;
second beam identifiers of a second plurality of beams; and
at least one measurement parameter indicating a measurement reporting event type, wherein the measurement reporting event type is triggered based on a second combined reference signal measurement value of the second plurality of beams exceeding a first combined reference signal measurement value of the first plurality of beams by more than a first offset value;
monitor the first plurality of beams and the second plurality of beams to determine an occurrence of the measurement reporting event type; and
transmit, to the first base station, a measurement report in response to the occurrence of the measurement reporting event type, the measurement report comprising:
the first combined reference signal measurement value of the first plurality of beams; and
the second combined reference signal measurement value of the second plurality of beams.
11. The wireless device of claim 10 , wherein:
the first combined reference signal measurement value comprises at least one of:
a first combined reference signal received power; or
a first combined reference signal received quality; and
the second combined reference signal measurement value comprises at least one of:
a second combined reference signal received power; or
a second combined reference signal received quality.
12. The wireless device of claim 10 , wherein the first plurality of beams are serving beams of the wireless device.
13. The wireless device of claim 10 , wherein the measurement configuration parameters further comprise at least one of:
a beam individual offset value for at least one of the first plurality of beams or the second plurality of beams for a measurement report;
one or more cell identifiers associated with the first plurality of beams or the second plurality of beams; or
beam information of the first plurality of beams or the second plurality of beams; or
the first offset value.
14. The wireless device of claim 10 , wherein the measurement configuration parameters further comprise at least one of:
a first number of a quantity of the first plurality of beams; and
a second number of a quantity of the second plurality of beams.
15. The wireless device of claim 10 , wherein the measurement configuration parameters further comprise at least one of:
a second measurement reporting event type indicating that a combined reference signal measurement value of the first plurality of beams is smaller than a first power value; or
a third measurement reporting event type indicating that a combined reference signal measurement value of a third plurality of beams exceeds a second power value.
16. The wireless device of claim 10 , wherein the measurement configuration parameters further comprise one or more measurement reporting event types indicating at least one of:
a reference signal measurement value of a first serving beam being smaller than a reference signal measurement value of a second serving beam by more than a second offset value;
a reference signal measurement value of a third serving beam being smaller than a reference signal measurement value of a first non-serving beam by more than a third offset value;
a reference signal measurement value of a fourth serving beam being smaller than a third power value; and
a reference signal measurement value of a second non-serving beam being larger than a fourth power value.
17. The wireless device of claim 10 , wherein:
the first plurality of beams are beams of a serving cell of the wireless device; and
the second plurality of beams are beams of a non-serving cell of the wireless device.
18. The wireless device of claim 10 , wherein the measurement report further comprises at least one of:
a first information element indicating whether the first combined reference signal measurement value of the first plurality of beams is based on a synchronization signal or based on a reference signal; or
a second information element indicating whether the second combined reference signal measurement value of the second plurality of beams is based on a synchronization signal or based on a reference signal.
19. A method comprising:
transmitting, by a first base station to a wireless device, a radio resource control message comprising measurement configuration parameters of a measurement report of the wireless device, the measurement configuration parameters comprising:
first beam identifiers of a first plurality of beams;
second beam identifiers of a second plurality of beams; and
at least one measurement parameter indicating a measurement reporting event type, wherein the measurement reporting event type is triggered based on a second combined reference signal measurement value of the second plurality of beams exceeding a first combined reference signal measurement value of the first plurality of beams by more than a first offset value;
receiving, by the first base station from the wireless device, a measurement report in response to the occurrence of the measurement reporting event type, the measurement report comprising:
the first combined reference signal measurement value of the first plurality of beams; and
the second combined reference signal measurement value of the second plurality of beams.
20. The method of claim 1 , wherein:
the first combined reference signal measurement value comprises at least one of:
a first combined reference signal received power; or
a first combined reference signal received quality; and
the second combined reference signal measurement value comprises at least one of:
a second combined reference signal received power; or
a second combined reference signal received quality.