Method and apparatus for performing communication in wireless communication system
Disclosed is a method of a User Equipment, UE, in a telecommunication network, performing a measurement in an idle state, comprising the steps of: the network broadcasting a first message; the network transmitting a dedicated second message to the UE; wherein the first message comprises information related to one or more frequencies used in a particular cell in the network and the second message comprises information concerning frequencies specific to the UE, wherein the UE receives the first and second messages and performs the measurement on at least one frequency present in both the first and second messages.
1. A method of operating a terminal in a wireless communication system, the method comprising:
receiving a dedicated message including information associated with a first list including one or more frequencies to be measured;
receiving system information including information associated with a second list including one or more frequencies to be measured and configuration information for measurement on the one or more frequencies included in the second list via a broadcast signaling;
identifying whether at least one frequency included in the first list is included in the second list; and
in case that the at least one frequency included in the first list is included in the second list, performing measurement on the at least one frequency commonly included in both the first list and the second list in an idle state or in an inactive state,
wherein at least one frequency, included in the first list and not included in the second list, is not measured on in the idle state or in the inactive state.
2. The method of claim 1 , further comprising:
entering the idle state or the inactive state based on the dedicated message.
3. The method of claim 1 , wherein the performing the measurement comprises:
in case that a first frequency included in the second list is the same as a frequency included in the first list and configuration information for measurement on the first frequency is not included in the dedicated message and is included in the system information, performing measurement on the first frequency based on the configuration information for measurement on the first frequency included in the system information.
4. The method of claim 1 ,
wherein in case that a first frequency is included in the first list and the dedicated message further includes configuration information for measurement on the first frequency, the performing the measurement comprises performing measurement on the first frequency based on the configuration information for measurement on the first frequency in the dedicated message even if a different measurement configuration is included for the first frequency in the system information.
5. The method of claim 1 , wherein the terminal operates in one of a Carrier Aggregation (CA) or Dual Connectivity (DC) mode prior to entering the idle state or the inactive state.
6. A method of operating a base station (BS) in a wireless communication system, the method comprising:
transmitting, to a terminal, a dedicated message including information associated with a first list including one or more frequencies to be measured;
transmitting, to the terminal, system information including information associated with a second list including one or more frequencies to be measured and configuration information for measurement on the one or more frequencies included in the second list via a broadcast signaling; and
receiving, from the terminal, a result of measurement on at least one frequency commonly included in both the first list and the second list,
wherein the result of measurement on the at least one frequency commonly included in both the first list and the second list comprises information measured in case that the terminal is in an idle state or in an inactive state, and
wherein at least one frequency, included in the first list and not included in the second list, is not measured on in case that the terminal is in the idle state or in the inactive state.
7. The method of claim 6 , wherein the dedicated message is used to enter the idle state or the inactive state by the terminal.
8. The method claim 6 , wherein the result of measurement on the at least one frequency commonly included in both the first list and the second list comprises:
the result of measurement on a first frequency based on configuration information for measurement on the first frequency included in the system information in case that the first frequency included in the second list is same as a frequency included in the first list and the configuration information for measurement on the first frequency is not included in the dedicated message and is included in the system information.
9. The method claim 6 , wherein a first frequency is included in the first list and the dedicated message further includes measurement configuration information for measurement on the first frequency, and
wherein the result of measurement on the at least one frequency commonly included in both the first list and the second list comprises:
the result of measurement on a first frequency based on the measurement configuration information for measurement on the first frequency in the dedicated message even if a different measurement configuration is included for the first frequency in the system information.
10. The method of claim 6 , wherein the terminal operates in one of a Carrier Aggregation (CA) or Dual Connectivity (DC) mode prior to entering the idle state or the inactive state.
11. A terminal in a wireless communication system, the terminal comprising:
a transceiver; and
at least one processor configured to:
control the transceiver to receive a dedicated message including information associated with a first list including one or more frequencies to be measured,
control the transceiver to receive system information including information associated with a second list including one or more frequencies to be measured and configuration information for measurement on the one or more frequencies included in the second list via a broadcast signaling,
identify whether at least one frequency included in the first list is included in the second list, and
in case that the at least one frequency included in the first list is included in the second list, perform measurement on at least one frequency commonly included in both the first list and the second list in an idle state or in an inactive state,
wherein at least one frequency, included in the first list and not included in the second list, is not measured on in the idle state or in the inactive state.
12. The terminal of claim 11 , wherein the at least one processor is configured to:
enter the idle state or the inactive state based on the dedicated message.
13. The terminal of claim 11 , wherein the at least one processor is configured to:
in case that a first frequency included in the second list is the same as a frequency included in the first list and configuration information for measurement on the first frequency is not included in the dedicated message and is included in the system information, perform measurement on the first frequency based on the configuration information for measurement on the first frequency included in the system information.
14. The terminal of claim 11 ,
wherein in case that a first frequency is included in the first list and the dedicated message further includes measurement configuration information for measurement on the first frequency, the at least one processor is further configured to:
perform measurement on the first frequency based on the measurement configuration information for measurement on the first frequency in the dedicated message even if a different measurement configuration is included for the first frequency in the system information.
15. The terminal of claim 11 , wherein the terminal operates in one of a Carrier Aggregation (CA) or Dual Connectivity (DC) mode prior to entering the idle state or the inactive state.
16. A base station in a wireless communication system, the base station comprising:
a transceiver; and
at least one processor configured to:
control the transceiver to transmit, to a terminal, a dedicated message including information associated with a first list including one or more frequencies to be measured,
control the transceiver to transmit, to the terminal, system information including information associated with a second list including one or more frequencies to be measured and configuration information for measurement on the one or more frequencies included in the second list via a broadcast signaling, and
control the transceiver to receive, from the terminal, a result of measurement on at least one frequency commonly included in both the first list and the second list,
wherein the result of measurement on the at least one frequency commonly included in both the first list and the second list comprises information measured in case that the terminal is in an idle state or in an inactive state, and
wherein at least one frequency, included in the first list and not included in the second list, is not measured on in case that the terminal is in the idle state or in the inactive state.
17. The base station of claim 16 , wherein the dedicated message is used to enter the idle state or the inactive state by the terminal.
18. The base station of claim 16 , wherein the result of measurement on the at least one frequency commonly included in both the first list and the second list comprises:
the result of measurement on a first frequency based on configuration information for measurement on the first frequency included in the system information in case that the first frequency included in the second list is same as a frequency included in the first list and the configuration information for measurement on the first frequency is not included in the dedicated message and is included in the system information.
19. The base station of claim 16 ,
wherein a first frequency is included in the first list and the dedicated message further includes measurement configuration information for measurement on the first frequency, and
wherein the result of measurement on the at least one frequency commonly included in both the first list and the second list comprises:
the result of measurement on a first frequency based on the measurement configuration information for measurement on the first frequency in the dedicated message even if a different measurement configuration is included for the first frequency in the system information.
20. The base station of claim 16 , wherein the terminal operates in one of a Carrier Aggregation (CA) or Dual Connectivity (DC) mode prior to entering the idle state or the inactive state.