Method for measurement on carrier, terminal device, and network device
This application provides methods, terminal devices, and network devices for measurement on a carrier. One method includes: determining, by a terminal device, a measurement requirement on a frequency carrier based on a maximum quantity of colliding carriers that collide with the frequency carrier, wherein the maximum quantity of colliding carriers is determined based on a measurement gap and a measurement window of the frequency carrier, wherein the measurement gap indicates a length of time between two measurements of one or more carriers that comprise the frequency carrier; and performing, by the terminal device, measurement on the frequency carrier based on the measurement requirement.
1. A method for performing measurements on frequency carriers, comprising:
determining, by a terminal device, a plurality of measurement gaps corresponding to a plurality of measurement windows that a frequency carrier is measured, wherein each of the plurality of measurement gaps indicates a length of time between two measurements of one or more frequency carriers comprising the frequency carrier and overlaps with a respective one of the plurality of measurement windows;
determining, by the terminal device and for each of the plurality of measurement gaps, a quantity of colliding carriers to obtain a plurality of quantities of colliding carriers corresponding to the plurality of measurement gaps, wherein the quantity of colliding carriers is a quantity of all frequency carriers that collide in a respective one of the plurality of measurement gaps;
determining, by the terminal device, a highest quantity in the determined plurality of quantities of colliding carriers as a maximum quantity of colliding carriers;
determining, by the terminal device, a measurement requirement on the frequency carrier based on the maximum quantity of colliding carriers; and
performing, by the terminal device, measurement on the frequency carrier based on the measurement requirement.
2. The method according to claim 1 , wherein the maximum quantity of colliding carriers is further determined based on a measurement window of each of the one or more frequency carriers.
3. The method according to claim 1 , wherein the quantity of colliding carriers is a quantity of all frequency carriers with corresponding measurement windows that collide with each other in a corresponding measurement gap.
4. The method according to claim 3 , wherein for each of the plurality of measurement gaps, all frequency carriers that collide in a respective one of the plurality of measurement gaps are all frequency carriers having at least a portion of their corresponding measurement windows located in the respective one of the plurality of measurement gaps.
5. The method according to claim 1 , wherein the determining the measurement requirement comprises:
determining, by the terminal device, a parameter of the frequency carrier based on the maximum quantity of colliding carriers; and
determining, by the terminal device, the measurement requirement based on the parameter.
6. The method according to claim 5 , wherein the determining the measurement requirement based on the parameter comprises:
determining the measurement requirement according to one of the following equations:
S =Max( T 1, T 2)*┌ R*A┐
S=R *Max( T 1, T 2)*┌ A┐
S=R *Max( T 1, T 2)* A
S =Max( T 1, T 2)*┌ R*A┐*C
S=R *Max( T 1, T 2)*┌ A┐*E
S=R *Max( T 1, T 2)* A*N or
S=H*A;
wherein S is a value of a measurement counter of the measurement requirement, R is a quantity of measurement opportunities that corresponds to the measurement requirement, T1 is a period of the measurement window, T2 is a period of the measurement gap, Max (T1, T2) is a larger value between T1 and T2, C, E, and N are coefficients notified by a network device, His a constant, and A is the parameter.
7. The method of according to claim 1 , wherein each of the plurality of measurement gaps is a predetermined time segment for measuring the one or more frequency carriers.
8. An apparatus, comprising:
at least one processor;
a memory coupled to the at least one processor and storing programming instructions for execution by the at least one processor, the programming instructions instruct the at least one processor to perform operations comprising:
determining a plurality of measurement gaps corresponding to a plurality of measurement windows that a frequency carrier is measured, wherein each of the plurality of measurement gaps indicates a length of time between two measurements of one or more frequency carriers comprising the frequency carrier and overlaps with a respective one of the plurality of measurement windows;
determining, for each of the plurality of measurement gaps, a quantity of colliding carriers to obtain a plurality of quantities of colliding carriers corresponding to the plurality of measurement gaps, wherein the quantity of colliding carriers is a quantity of all frequency carriers that collide in a respective one of the plurality of measurement gaps;
determining a highest quantity in the determined plurality of quantities of colliding carriers as a maximum quantity of colliding carriers;
determining a measurement requirement on the frequency carrier based on the maximum quantity of colliding carriers; and
performing measurement on the frequency carrier based on the measurement requirement.
9. The apparatus according to claim 8 , wherein the maximum quantity of colliding carriers is further determined based on a measurement window of each of the one or more frequency carriers.
10. The apparatus according to claim 8 , wherein the quantity of colliding carriers is a quantity of all frequency carriers with corresponding measurement windows that collide with each other in a respective one of the plurality of measurement gaps.
11. The apparatus according to claim 10 , wherein for each of the plurality of measurement gaps, all frequency carriers that collide in a respective one of the plurality of measurement gaps are all frequency carriers having at least a portion of their corresponding measurement windows located in the respective one of the plurality of measurement gaps.
12. The apparatus according to claim 8 , wherein the determining the measurement requirement comprises:
determining a parameter of the frequency carrier based on the maximum quantity of colliding carriers; and
determining the measurement requirement based on the parameter.
13. The apparatus according to claim 12 , wherein the determining the measurement requirement based on the parameter comprises:
determining the measurement requirement according to one of the following equations:
S =Max( T 1, T 2)*┌ R*A┐
S=R *Max( T 1, T 2)*┌ A┐,
S=R *Max( T 1, T 2)* A
S =Max( T 1, T 2)*┌ R*A┐*C
S=R *Max( T 1, T 2)*┌ A┐*E
S=R *Max( T 1, T 2)* A*N or
S=H*A;
wherein S is a value of a measurement counter of the measurement requirement, R is a quantity of measurement opportunities that corresponds to the measurement requirement, T1 is a period of the measurement window, T2 is a period of the measurement gap, Max (T1, T2) is a larger value between T1 and T2, C, E, and N are coefficients notified by a network device, His a constant, and A is the parameter.
14. The apparatus according to claim 8 , wherein each of the plurality of measurement gaps is a predetermined time segment for measuring the one or more frequency carriers.
15. An apparatus, comprising:
at least one processor; and
a memory coupled to the at least one processor and storing programming instructions for execution by the at least one processor, the programming instructions instruct the at least one processor to perform operations comprising:
receiving a measurement result on a frequency carrier, wherein the measurement result on the frequency carrier is determined based on a measurement requirement on the frequency carrier, wherein the measurement requirement on the frequency carrier is determined based on a maximum quantity of colliding carriers that collide with the frequency carrier, the maximum quantity of colliding carriers is determined as a highest quantity in a plurality of quantities of colliding carriers, wherein the plurality of quantity of colliding carriers correspond to a plurality of measurement gaps corresponding to a plurality of measurement windows that the frequency carrier is measured, wherein each of the plurality of measurement gaps indicates a length of time between two measurements of one or more frequency carriers comprising the frequency carrier and overlaps with a respective one of the plurality of measurement windows of the plurality of measurement windows, and wherein the quantity of colliding carriers is a quantity of all carriers that collide in a respective one of the plurality of measurement gaps; and
configuring the frequency carrier based on the measurement result.
16. The apparatus according to claim 15 , wherein the maximum quantity of colliding carriers is further determined based on a measurement window of each of the one or more frequency carriers.
17. The apparatus according to claim 15 , wherein the plurality of measurement windows of the frequency carrier are a plurality of measurement windows of a synchronization signal block (SSB) on the frequency carrier, and the plurality of measurement gaps are used at least for the SSB on the frequency carrier.
18. The apparatus according to claim 15 , wherein each of the plurality of measurement gaps is a predetermined time segment for measuring the one or more frequency carriers.