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) comprising:
an interference detection unit detecting a beginning of In-Device Coexistence (IDC) interference caused by transmission through a first frequency of a first network being affected by reception through a second frequency of a second network;
an assistant information generation unit initiating an IDC indication indicating occurrence or expectation of the IDC interference;
a measurement controller generating the measurement report comprising measurement values; and
a transmitter transmitting the IDC indication and the measurement report to an evolved NodeB (eNB),
wherein the measurement values are obtained without the IDC interference.
2. The UE of claim 1 , further comprising:
a receiver receiving responding information indicating coordination of the IDC interference based on the IDC indication, 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 transmission comprising:
detecting a beginning of In-Device Coexistence (IDC) interference caused by transmission through a first frequency of a first network being affected by reception through a second frequency of a second network;
transmitting, to an evolved NodeB (eNB), an IDC indication indicating occurrence or expectation of the IDC interference; and,
transmitting, to the eNB, a measurement report comprising measurement values,
wherein the measurement values are obtained without the IDC interference.
7. The method of claim 6 , further comprising:
receiving, from the eNB, responding information indicating coordination of the IDC interference based on the IDC indication.
8. The method of claim 7 , wherein, the transmitting the measurement report is performed after receiving the responding 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. A method for reception comprising:
receiving an In-Device Coexistence (IDC) indication indicating occurrence or expectation of an IDC interference caused by transmission of a user equipment (UE) through a first frequency of a first network being affected by reception of the UE through a second frequency of a second network, from the UE;
receiving, from the UE, a measurement report comprising measurement values,
wherein the measurement values are obtained without IDC interference.
12. The method of claim 11 , further comprising:
generating responding information indicating coordination of the IDC interference based on the IDC indication; and
transmitting, to the UE, the responding information.
13. The method of claim 12 , wherein the coordination of the IDC interference is based on FDM (Frequency Division Multiplexing) or TDM (Time Division Multiplexing).
14. The method 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. An evolved NodeB (eNB) comprising:
a receiver receiving, from a user equipment (UE), an In-Device Coexistence (IDC) indication indicating occurrence or expectation of an IDC interference caused by transmission of a user equipment (UE) through a first frequency of a first network being affected by reception of the UE through a second frequency of a second network and a measurement report comprising measurement values,
wherein the measurement values are obtained without the IDC interference from the UE.
16. The eNB of claim 15 , further comprising:
a processor generating a responding information indicating coordination of the IDC interference based on the IDC indication; and
a transmitter transmitting, to the UE, the responding information.
17. The eNB of claim 16 , wherein the coordination of the IDC interference is based on one of FDM (Frequency Division Multiplexing) and TDM (Time Division Multiplexing).
18. The eNB of claim 16 , wherein the measurement values are calculated using measurement samples obtained in a non-interference interval where the IDC interference does not occur.
19. A method for transmission by a user equipment (UE) comprising:
detecting an In-Device Coexistence (IDC) interference;
transmitting, to an evolved NodeB (eNB), an In-Device Coexistence (IDC) indication; and
transmitting, to the eNB, a measurement report comprising measurement values,
wherein the IDC interference is caused by transmission through a first frequency of a first network in reception through a second frequency of a second network, and
wherein the IDC indication indicates occurrence or expectation of the IDC interference.
20. The method of claim 19 , wherein the measurement values are obtained without the IDC interference.
21. A method for receiving by an evolved NodeB (eNB) comprising:
receiving, from a user equipment (UE), an In-Device Coexistence (IDC) indication; and
receiving, from the UE, a measurement report comprising measurement values,
wherein an IDC interference is caused by transmission through a first frequency of a first network in reception through a second frequency of a second network, and
wherein the IDC indication indicates occurrence or expectation of the IDC interference.
22. The method of claim 21 , wherein the measurement values are obtained without the IDC interference.