Measurement gap based carrier-specific scaling factor enhancement
The present application relates to devices and components including apparatus, systems, and methods for measurement gap—based carrier-specific scaling factor determination in dual connectivity networks.
1. An apparatus comprising:
processing circuitry to:
determine an M tot value that represents a total number of measurement objects (MOs) that are candidates to be measured in a measurement gap;
calculate a carrier-specific scaling factor (CSSF) based at least in part on the M total value; and
perform, within the measurement gap, a measurement based at least in part on the CSSF and an MO that is a candidate to be measured in the measurement gap,
wherein; to determine the M tot value the processing circuitry is to determine whether a pair of MOs that are candidates to be measured within the measurement gap satisfy merging criteria; the pair of MOs are counted as one MO for the M tot value if they satisfy the merging criteria; and the pair of MOs are counted as two MOs for the M tot value if they do not satisfy the merging criteria; and
interface circuitry to coupled with the processing circuitry to enable communication.
2. The apparatus of claim 1 , wherein the pair of MOs include a first MO and a second MO and, to determine whether the pair of MOs satisfy the merging criteria, the processing circuitry is to:
determine that the first MO and the second MO identify common received signal strength (RSSI) measurement resources, deriveSSB-IndexFromCell indications, and synchronization signal block (SSB) measurement timing configuration (SMTC) configurations;
determine that the pair of MOs satisfy the merging criteria based at least in part on said determination that the first MO and the second MO identify common RSSI measurement resources, deriveSSB-IndexFromCell indications, and SMTC configurations; and
determine the M tot Value based at least in part on a count value of one for the pair of MOs based at least in part on the determination that the pair of MOs satisfy the merging criteria.
3. The apparatus of claim 1 , wherein the pair of MOs include a first MO and a second MO and, to determine whether the pair of MOs satisfy the merging criteria, the processing circuitry is further to:
determine that the first MO and the second MO identify different received signal strength (RSSI) measurement resources, deriveSSB-IndexFromCell indications, or synchronization signal block (SSB) measurement timing configuration (SMTC) configurations;
determine that the pair of MOs do not satisfy the merging criteria based at least in part on said determination that the first MO and the second MO identify different RSSI measurement resources, deriveSSB-IndexFromCell indications, or SMTC configurations; and
determine the M tot value based at least in part on a count value of two for the pair of MOs based at least in part on the determination that the pair of MOs do not satisfy the merging criteria.
4. The apparatus of claim 1 , wherein the processing circuitry is further to:
determine an M inter value based at least in part on a number of intra-frequency MOs that are configured on serving carriers by a new radio (NR) primary secondary serving cell (PSCell) and are candidates to be measured in the measurement gap; and
determine the M tot value based at least in part on the M inter Value.
5. The apparatus of claim 1 , wherein the processing circuitry is further to:
determine an M intra value based at least in part on a number of inter-frequency or inter-radio access technology (RAT) MOs configured by an evolved-universal terrestrial radio access (E-UTRA) primary serving cell (PCell); and
determine the M tot value based at least in part on the M intra Value.
6. The apparatus of claim 5 , wherein the processing circuitry is to determine M intra value based a number of NR inter-RAT MOs, a number of E-UTRA MOs, and a number of UTRA MOs.
7. The apparatus of claim 6 , wherein the number of NR inter-RAT MOs includes inter-RAT MOs on serving carriers and inter-RAT MOs on non-serving carriers.
8. The apparatus of claim 1 , wherein the processing circuitry is further to:
determine an M inter value that represents a number of intra-frequency MOs that are candidates to be measured in the measurement gap;
determine an M intra value that represents a number of inter-frequency MOs and inter-radio access technology (RAT) MOs that are candidates to be measured in the measurement gap; and
determine the M tot value based at least in part on the M inter value and the M intra value.
9. The apparatus of claim 1 , wherein to calculate the CSSF the processing circuitry is further to:
calculate the CSSF based at least in part on a number of carriers to be measured if a measurement gap sharing scheme is equal sharing among carriers.
10. The apparatus of claim 1 , wherein the pair of MOs are on the same frequency layer.
11. The apparatus of claim 8 , wherein to calculate the CSSF the processing circuitry is further to:
calculate the CSSF based at least in part on the M intra value if a measurement gap sharing scheme is not equal sharing and the MO is an intra-frequency MO.
12. A method of operating a first base station or a component to be implemented in a first base station, the method comprising:
receiving a measurement object configuration from, or transmitting a measurement object configuration to, a second base station, wherein the first and second base station provide a user equipment (UE) with an evolved universal terrestrial radio access-new radio dual connectivity (EN-DC) connection, the measurement object configuration to restrict provision of a plurality of measurement object (MOs) to the UE for one frequency layer of a new radio (NR) cell; and
providing a MO to the UE to configure the UE to perform a measurement on the frequency layer within a measurement gap,
wherein a type-3 MO is an inter-frequency NR MO configured by NR primary cell (PCell) on a non-serving carrier; a type- 5 MO is an inter-radio access technology (RAT) NR MO configured by Long Term Evolution (LTE) PCell on a same frequency layer as type 3; and
the measurement object configuration is to prevent provision of a type-3 MO and a type-5 MO.
13. The method of claim 12 , wherein: a type-1 MO is a measurement gap (MG)-based intra-frequency NR MO configured by NR primary secondary cell (PSCell) to perform a measurement in a serving carrier; a type-2 MO is an intra-frequency NR MO without measurement gap configured by NR PSCell and fully overlapped with a measurement gap to perform a measurement in a serving carrier; and a type-4 MO is an inter-radio access technology (RAT) configured by LTE PCell on a same frequency layer as a type 1 MO or a type-2 MO; and the measurement object configuration is to prevent provision of type-1 MO or a type-2 MO with a type-4 MO.
14. The method of claim 12 , wherein: a type- 1 MO is a measurement gap (MG)-based intra-frequency NR MO configured by NR primary secondary cell (PSCell) for a serving carrier; a type-2 MO is an intra-frequency NR MO without measurement gap configured by NR PSCell and fully overlapped with a measurement gap for a serving carrier; a type-3 MO is an inter-frequency NR MO configured by NR PCell on a non-serving carrier; and the measurement object configuration is prevent an LTE PCell from configuring an inter-RAT NR measurement, wherein only an NR PSCell can configure a type-1 MO, a type-2 MO, or a type-3 MO.
15. A method comprising:
identifying a plurality of measurement objects (MOs) that are candidates to be measured in a measurement gap; and
performing, within a period, one or more measurements based at least in part on at least one MO of the plurality of MOs,
wherein the period is associated with a carrier-specific scaling factor (CSSF) that is based at least in part on an M tot value that represents a total number of the plurality of MOs that are candidates to be measured in a measurement gap,
wherein two or more MOs that are candidates to be measured in the measurement gap are counted as one for the M tot value if they satisfy a merging criteria and are counted as two for the M tot value if they do not satisfy the merging criteria.
16. The method of claim 15 , wherein the plurality of MOs includes at least one inter-radio access technology (RAT) MO.
17. The method of claim 15 , wherein:
the two or more MOs include a first MO and a second MO; and
the two or more MOs satisfy the merging criteria and count as one for the M tot value if the first MO and the second MO identify common received signal strength (RSSI) measurement resources, deriveSSB-IndexFromCell indications, and synchronization signal block (SSB) measurement timing configuration (SMTC) configurations.
18. The method of claim 15 , wherein:
the two or more MOs include a first MO and a second MO; and
the two or more MOs do not satisfy the merging criteria and count as at least two for the M tot value if the first MO and the second MO identify different received signal strength (RSSI) measurement resources, deriveSSB-IndexFromCell indications, or synchronization signal block (SSB) measurement timing configuration (SMTC) configurations.
19. The method of claim 15 , wherein a first MO of the two or more MOs is on a serving carrier and is configured by a new radio (NR) primary secondary serving cell (PSCell), and a second MO of the two or more MOs is on the serving carrier and is a new radio (NR) inter-radio access technology (RAT) MO configured by an evolved-universal terrestrial radio access (E-UTRA) primary serving cell (PCell).
20. The method of claim 15 , wherein the two or more MOs are on a same frequency layer.