Electronic device for channel measurement and operating method thereof
An embodiment of the disclosure relates to an electronic device for channel measurement in a wireless communication system and an operating method thereof. The electronic device may include: a communication circuit, and a processor, and the processor is configured to: obtain information related to measurement from a message related to release of a radio resource control (RRC) connection of the electronic device to a network, identify frequencies for measurement while the electronic device is in an RRC idle or an RRC inactive state with the network, generate a frequency list including at least one of the frequencies for measurement based on a priority of a frequency used for access between the electronic device and the network and a channel state between the electronic device and the network, sequentially perform measurement based on a priority of at least one frequency included in the frequency list while the electronic device is in an RRC idle state or an RRC inactive state with the network, and control the communication circuit to transmit a result of the measurement to the network based on transition to an RRC connected state.
1 . An electronic device comprising:
a communication circuit;
at least one processor operatively connected to the communication circuit; and
memory storing instructions,
wherein the instructions, when executed by the at least one processor, cause the electronic device to:
receive a message related to release of a radio resource control (RRC) connection of the electronic device to a network;
detect that the received message includes information related to measurement and identify first frequency information related to cell reselection included in a first system information block (SIB) and second frequency information related to a carrier aggregation (CA) function and/or a dual connectivity (DC) function included in a second SIB received from the network while the electronic device is in an RRC idle or an RRC inactive state with the network;
generate at least a part of a frequency list from at least one of the first frequency information or the second frequency information based on a priority of a frequency used for access between the electronic device and the network and a channel state between the electronic device and the network;
perform measurement on at least one frequency included in the generated frequency list while the electronic device is in an RRC idle state or an RRC inactive state with the network; and
detect that an RRC state is transitioned from the RRC idle state or the RRC inactive state to an RRC connected state and transmit, via the communication circuit, a result of the measurement to the network.
2 . The electronic device of claim 1 , wherein the instructions, when executed by the at least one processor, cause the electronic device to, based on the priority of the frequency used for access between the electronic device and the network being higher than the priority of at least one frequency included in the first frequency information, a signal strength with the network exceeding a first reference value configured by the network, and the signal quality with the network exceeding a second reference value configured by the network: generate the frequency list using the at least one frequency included in the second frequency information.
3 . The electronic device of claim 1 , wherein the instructions, when executed by the at least one processor, cause the electronic device to, based on the priority of the frequency used for access between the electronic device and the network being higher than the priority of at least one frequency included in the first frequency information, a signal strength with the network having a value equal to or less than a first reference value configured by the network or a signal quality with the network having a value equal to or less than a second reference value configured by the network, and the signal strength with the network having a value equal to or less than a third reference value configured by the electronic device: generate the frequency list using the at least one frequency included in the first frequency information.
4 . The electronic device of claim 1 , wherein the instructions, when executed by the at least one processor, cause the electronic device to, based on the priority of the frequency used for access between the electronic device and the network being higher than the priority of at least one frequency included in the first frequency information, a signal strength with the network having a value equal to or less than a first reference value configured by the network or a signal quality with the network having a value equal to or less than a second reference value configured by the network, and the signal strength with the network having a value exceeding a third reference value configured by the electronic device: generate the frequency list using the at least one frequency included in the first frequency information and the second frequency information, and
wherein, in the frequency list, the priority of the at least one frequency included in the first frequency information is configured to be higher than the priority of the at least one frequency included in the second frequency information.
5 . The electronic device of claim 1 , wherein the instructions, when executed by the at least one processor, cause the electronic device to, based on at least one frequency having a priority equal to or higher than a frequency used for access between the electronic device and the network among at least one frequency included in the first frequency information existing, a signal strength with the network exceeding a first reference value configured by the network, a signal quality with the network exceeding a second reference value configured by the network, and the signal strength with the network exceeding a fourth reference value configured by the electronic device: generate the frequency list using at least a part of the at least one frequency included in the second frequency information and the at least one frequency included in the first frequency information, and
wherein, in the frequency list, the priority of the at least one frequency included in the second frequency information is configured to be higher than the priority of the at least one frequency included in the first frequency information.
6 . The electronic device of claim 1 , wherein the instructions, when executed by the at least one processor, cause the electronic device to, based on at least one frequency having a higher priority than a frequency used for access between the electronic device and the network among at least one frequency included in the first frequency information existing, a signal strength with the network exceeding a first reference value configured by the network, a signal quality with the network exceeding a second reference value configured by the network, and the signal strength with the network having a value equal to or less than a fourth reference value configured by the electronic device: generate the frequency list using at least a part of the at least one frequency included in the second frequency information and the at least one frequency included in the first frequency information, and
wherein, in the frequency list, the priority of the at least one frequency included in the first frequency information is configured to be higher than that of the at least one frequency included in the second frequency information.
7 . The electronic device of claim 1 , wherein the instructions, when executed by the at least one processor, cause the electronic device to, based on at least one frequency having a higher priority than a frequency used for access between the electronic device and the network among at least one frequency included in the first frequency information existing, a signal strength with the network having a value equal to or less than a first reference value configured by the network or a signal quality with the network having a value equal to or less than a second reference value configured by the network, and the signal strength with the network having a value equal to or less than a third reference value configured by the electronic device: generate the frequency list using the at least one frequency included in the first frequency information.
8 . The electronic device of claim 1 , wherein the instructions, when executed by the at least one processor, cause the electronic device to, based on at least one frequency having a higher priority than a frequency used for access between the electronic device and the network among at least one frequency included in the first frequency information existing, a signal strength with the network having a value equal to or less than a first reference value configured by the network or a signal quality with the network having a value equal to or less than a second reference value configured by the network, and the signal strength with the network having a value exceeding a third reference value configured by the electronic device: generate the frequency list using the at least one frequency included in the first frequency information and the second frequency information, and
wherein, in the frequency list, the priority of the at least one frequency included in the first frequency information is configured to be higher than the priority of the at least one frequency included in the second frequency information.
9 . The electronic device of claim 1 , wherein the instructions, when executed by the at least one processor, cause the electronic device to, based on a number of frequencies included in the frequency list exceeding a maximum number of frequencies configured for the measurement, exclude a part of at least one frequency included in the second frequency information from the frequency list.
10 . A method of operating an electronic device, the method comprising:
receiving measurement from a message related to release of a radio resource control (RRC) connection of the electronic device to a network;
detecting that the received message includes information related to measurement and identifying first frequency information related to cell reselection included in a first system information block (SIB) and second frequency information related to a carrier aggregation (CA) function and/or a dual connectivity (DC) function included in a second SIB received from the network while the electronic device is in an RRC idle or an RRC inactive state with the network;
generating at least a part of a frequency list from at least one of the first frequency information or the second frequency information based on a priority of a frequency used for access between the electronic device and the network and a channel state between the electronic device and the network;
performing measurement on at least one frequency included in the generated frequency list while the electronic device is in an RRC idle state or an RRC inactive state with the network; and
detecting that an RRC state is transitioned from the RRC idle state or the RRC inactive state to an RRC connected state and transmitting a result of the measurement to the network.
11 . The method of claim 10 , wherein the generating of the frequency list comprises: generating the frequency list using the at least one frequency included in the second frequency information, based on the priority of the frequency used for access between the electronic device and the network being higher than the priority of at least one frequency included in the first frequency information, a signal strength with the network exceeding a first reference value configured by the network, and the signal quality with the network exceeding a second reference value configured by the network.
12 . The method of claim 10 , wherein the generating of the frequency list comprises: generating the frequency list using the at least one frequency included in the first frequency information, based on the priority of the frequency used for access between the electronic device and the network being higher than the priority of at least one frequency included in the first frequency information, a signal strength with the network having a value equal to or less than a first reference value configured by the network or a signal quality with the network having a value equal to or less than a second reference value configured by the network, and the signal strength with the network having a value equal to or less than a third reference value configured by the electronic device; or based on at least one frequency having a higher priority than a frequency used for access between the electronic device and the network among at least one frequency included in the first frequency information existing, a signal strength with the network having a value equal to or less than a first reference value configured by the network or a signal quality with the network having a value equal to or less than a second reference value configured by the network, and the signal strength with the network having a value equal to or less than a third reference value configured by the electronic device.
13 . The method of claim 10 , wherein the generating of the frequency list comprises: generating the frequency list using the at least one frequency included in the first frequency information and the second frequency information, based on the priority of the frequency used for access between the electronic device and the network being higher than the priority of at least one frequency included in the first frequency information, a signal strength with the network having a value equal to or less than a first reference value configured by the network or a signal quality with the network having a value equal to or less than a second reference value configured by the network, and the signal strength with the network having a value exceeding a third reference value configured by the electronic device; or based on at least one frequency having a higher priority than that of a frequency used for access between the electronic device and the network among at least one frequency included in the first frequency information existing, a signal strength with the network having a value equal to or less than a first reference value configured by the network or a signal quality with the network having a value equal to or less than a second reference value configured by the network, and the signal strength with the network having a value exceeding a third reference value configured by the electronic device, and
wherein, in the frequency list, the priority of the at least one frequency included in the first frequency information is configured to be higher than the priority of the at least one frequency included in the second frequency information.
14 . The method of claim 10 , wherein the generating of the frequency list comprises: generating the frequency list using at least a part of the at least one frequency included in the second frequency information1 and the at least one frequency included in the first frequency information, based on at least one frequency having a priority equal to or higher than a frequency used for access between the electronic device and the network among at least one frequency included in the first frequency information existing, a signal strength with the network exceeding a first reference value configured by the network, a signal quality with the network exceeding a second reference value configured by the network, and the signal strength with the network exceeding a fourth reference value configured by the electronic device, and
wherein, in the frequency list, the priority of the at least one frequency included in the second frequency information is configured to be higher than that of the at least one frequency included in the first frequency information.
15 . The method of claim 10 , wherein the generating of the frequency list comprises: generating the frequency list using at least a part of the at least one frequency included in the second frequency information and the at least one frequency included in the first frequency information, based on at least one frequency having a higher priority than a frequency used for access between the electronic device and the network among at least one frequency included in the first frequency information existing, a signal strength with the network exceeding a first reference value configured by the network, a signal quality with the network exceeding a second reference value configured by the network, and=the signal strength with the network having a value equal to or less than a fourth reference value configured by the electronic device, and
wherein, in the frequency list, the priority of the at least one frequency included in the first frequency information is configured to be higher than that of the at least one frequency included in the second frequency information.
16 . The method of claim 10 , wherein the generating of the frequency list comprises: generating the frequency list using the at least one frequency included in the first frequency information, based on at least one frequency having a priority equal to or higher than that of a frequency used for access between the electronic device and the network, among at least one frequency included in the first frequency information existing, a signal strength with the network having a value equal to or less than a first reference value configured by the network or a signal quality with the network has a value equal to or less than a second reference value configured by the network, and the signal strength with the network having a value equal to or less than a third reference value configured by the electronic device.
17 . The method of claim 10 , wherein the generating of the frequency list comprises: generating the frequency list using at least one frequency included in the first frequency information and the second frequency information, based on at least one frequency having a priority equal to or higher than that of a frequency used for access between the electronic device and the network, among at least one frequency included in the first frequency information existing, a signal strength with the network having a value equal to or less than a first reference value configured by the network or a signal quality with the network having a value equal to or less than a second reference value configured by the network, and the signal strength with the network having a value exceeding a third reference value configured by the electronic device, wherein, in the frequency list, the priority of the at least one frequency included in the first frequency information is configured to be higher than that of the at least one frequency included in the second frequency information.
18 . The method of claim 10 , wherein the generating of the frequency list comprises: excluding a part of at least one frequency included in the second frequency information from the frequency list based on the number of frequencies included in the frequency list exceeding the maximum number of frequencies configured for the measurement.