Apparatus and method for performing measurement report considering in-device coexistence interference
View Patent ↗The present invention relates to an apparatus and a method for performing measurement reporting considering in-device coexistence interference. The present invention provide a user equipment transmitting a measurement report in a wireless communication system, comprising an interference detection unit, an assistant information generation unit, a measurement controller and a transmitter According to the present invention, a measurement procedure can be clearly defined in an interference delicate band where in-device coexistence interference occurs and scheduling restrictions on an eNodeB due to measurement reporting about an interference delicate band can be reduced.
1. A user equipment (UE) transmitting a measurement report considering In-Device Coexistence (IDC) interference in a wireless communication system, comprising:
an interference detection unit detecting the IDC interference caused by transmission through a first frequency band of a first network system against reception through a second frequency band of a second network system;
an assistant information generation unit generating assistant information indicating occurrence or expectation of occurrence of the IDC interference;
a measurement controller obtaining measurement values not including the IDC interference and generating the measurement report including the measurement values; and
a transmitter transmitting the assistant information and the measurement report to an evolved NodeB (eNB).
2. The UE of claim 1 , further comprising:
a receiver receiving responding information indicating coordination of the IDC interference based on the assistant information, from the eNB.
3. The UE of claim 2 , wherein the interference detection unit controls the UE to be in an avoiding state against the IDC interference based on the responding information.
4. The UE of claim 2 , wherein the coordination of the IDC interference is based on FDM (Frequency Division Multiplexing) or TDM (Time Division Multiplexing).
5. The UE of claim 1 , wherein the measurement values are calculated using measurement samples obtained in a non-interference interval where the IDC interference does not occur.
6. A method for transmitting a measurement report considering In-Device Coexistence (IDC) interference by a user equipment (UE) in a wireless communication system, comprising:
detecting the IDC interference caused by transmission through a first frequency band of a first network system against reception through a second frequency band of a second network system;
transmitting assistant information indicating occurrence or expectation of occurrence of the IDC interference to an evolved NodeB (eNB); and,
transmitting the measurement report including measurement values without the IDC interference, to the eNB.
7. The method of claim 6 , further comprising:
receiving responding information indicating coordination of the IDC interference based on the assistant information, from the eNB.
8. The method of claim 7 , wherein, transmitting the measurement report is performed after receiving the response information.
9. The method of claim 7 , wherein the coordination of the IDC interference is based on FDM (Frequency Division Multiplexing) or TDM (Time Division Multiplexing).
10. The method of claim 6 , further comprising:
obtaining measurement samples for calculating the measurement values in a non-interference interval where the IDC interference does not occur.
11. An evolved NodeB (eNB) receiving a measurement report considering In-Device Coexistence (IDC) interference in a wireless communication system, comprising:
a receiver receiving assistant information indicating occurrence or expectation of occurrence of the IDC interference caused by transmission of a user equipment (UE) through a first frequency band of a first network system against reception of the UE through a second frequency band of a second network system, from the UE,
wherein the receiver receives the measurement report including measurement values without the IDC interference.
12. The eNB of claim 11 , further comprising:
an interference coordination unit generating responding information indicating coordination of the IDC interference based on the assistant information; and
a transmitter transmitting the responding information to the UE.
13. The eNB of claim 12 , wherein the coordination of the IDC interference is based on FDM (Frequency Division Multiplexing) or TDM (Time Division Multiplexing).
14. The eNB of claim 11 , wherein the measurement values are calculated using measurement samples obtained in a non-interference interval where the IDC interference does not occur.
15. A method for receiving a measurement report considering In-Device Coexistence (IDC) interference by an evolved NodeB (eNB) in a wireless communication system, comprising:
receiving assistant information indicating occurrence or expectation of occurrence of the IDC interference caused by transmission of a user equipment (UE) through a first frequency band of a first network system against reception of the UE through a second frequency band of a second network system, from the UE;
receiving the measurement report including measurement values without the IDC interference from the UE.
16. The method of claim 15 , further comprising:
generating responding information indicating coordination of the IDC interference based on the assistant information; and
transmitting the responding information to the UE.
17. The method of claim 16 , wherein the coordination of the IDC interference is based on FDM (Frequency Division Multiplexing) or TDM (Time Division Multiplexing).
18. The method of claim 15 , wherein the measurement values are calculated using measurement samples obtained in a non-interference interval where the IDC interference does not occur.