A method, comprising: establishing, by a processor of a user equipment,UE, wireless communication with a network node of a wireless network; determining, by the processor, whether the UE is capable of operating in a second mode in addition to a first mode; wherein the UE performs a task in less time in the second mode than in the first mode; and transmitting, by the processor, to the network node a report indicating capability of the UE to operate in the second mode and a condition with respect to carrier aggregation, CA, associated with operating in the second mode, characterized by: determining, by the processor, whether a number of configured carriers in a band is less than or equal to a maximum number of configured carriers supported for CA when operating in the second mode indicated in the report, performing, by the processor, either of: operating using all of the configured carriers in the band responsive to the number of the configured carriers in the band being less than or equal to the maximum number of configured carriers supported for CA, or operating in the second mode with a single carrier in the band or in the first mode in the band responsive to the number of the configured carriers in the band being greater than the maximum number of configured carriers supported for CA. establishing, by a processor of a user equipment,UE, wireless communication with a network node of a wireless network; determining, by the processor, whether the UE is capable of operating in a second mode in addition to a first mode; wherein the UE performs a task in less time in the second mode than in the first mode; and transmitting, by the processor, to the network node a report indicating capability of the UE to operate in the second mode and a condition with respect to carrier aggregation, CA, associated with operating in the second mode, characterized by: determining, by the processor, whether a number of configured carriers in a band is less than or equal to a maximum number of configured carriers supported for CA when operating in the second mode indicated in the report, performing, by the processor, either of: operating using all of the configured carriers in the band responsive to the number of the configured carriers in the band being less than or equal to the maximum number of configured carriers supported for CA, or operating in the second mode with a single carrier in the band or in the first mode in the band responsive to the number of the configured carriers in the band being greater than the maximum number of configured carriers supported for CA. determining, by the processor, whether a number of configured carriers in a band is less than or equal to a maximum number of configured carriers supported for CA when operating in the second mode indicated in the report, performing, by the processor, either of: operating using all of the configured carriers in the band responsive to the number of the configured carriers in the band being less than or equal to the maximum number of configured carriers supported for CA, or operating in the second mode with a single carrier in the band or in the first mode in the band responsive to the number of the configured carriers in the band being greater than the maximum number of configured carriers supported for CA. operating using all of the configured carriers in the band responsive to the number of the configured carriers in the band being less than or equal to the maximum number of configured carriers supported for CA, or operating in the second mode with a single carrier in the band or in the first mode in the band responsive to the number of the configured carriers in the band being greater than the maximum number of configured carriers supported for CA.