Method and apparatus for communicating ISM prone frequency information to a base station

1. A method for a user equipment (UE), comprising:

detecting anticipation of in-device coexistence interference between at least one of non-serving Long Term Evolution (LTE) frequencies and an Industrial, Scientific and Medical (ISM) frequency when the ISM frequency is used by the UE;

transmitting information indicating the anticipation of in-device coexistence interference between the at least one of the non-serving LTE frequencies and the ISM frequency to a base station; and

transmitting, to the base station, information on when the UE no longer suffers from the in-device coexistence interference.

2. The method of claim 1 , further comprising:

receiving a list of the non-serving LTE frequencies to perform a measurement on the non-serving LTE frequencies from the base station, and

performing the measurement on the at least one of the non-serving LTE frequencies in the received list.

3. The method of claim 1 , wherein detecting the anticipation of the in-device coexistence interference between the at least one of the non-serving LTE frequencies and the ISM frequency when the ISM frequency is used by the UE comprises:

receiving a Radio Resource Connection (RRC) reconfiguration message with a list of the non-serving LTE frequencies from the base station,

configuring the non-serving LTE frequencies in the received list to perform a measurement on the configured non-serving LTE frequencies, and

detecting the anticipation of in-device coexistence interference between the at least one of the non-serving LTE frequencies and the ISM frequency when the ISM frequency is used by the UE.

4. The method of claim 1 , wherein the information indicating the anticipation of in-device coexistence interference between the at least one of the non-serving LTE frequencies and the ISM frequency is transmitted through a message including information indicating one or more LTE frequencies being affected by the ISM frequency.

5. The method of claim 1 , further comprising:

indicating to the base station that the UE no longer suffers from the in-device coexistence interference.

6. A user equipment (UE) comprising:

a transceiver; and

at least one processor,

wherein the at least one processor is configured to:

detect anticipation of in-device coexistence interference between at least one of non-serving Long Term Evolution (LTE) frequencies and an Industrial, Scientific and Medical (ISM) frequency when the ISM frequency is used by the UE,

transmit information indicating the anticipation of in-device coexistence interference between the at least one of the non-serving LTE frequencies and the ISM frequency to a base station, and

transmit, to the base station, information on when the UE no longer suffers from the in-device coexistence interference.

7. The UE of claim 6 , wherein the at least one processor is further configured to:

receive a list of the non-serving LTE frequencies to perform a measurement on the non-serving LTE frequencies from the base station, and

perform the measurement on the at least one of the non-serving LTE frequencies in the received list.

8. The UE of claim 6 , wherein the at least one processor is further configured to detect the anticipation of in-device coexistence interference between the at least one of the non-serving LTE frequencies and the ISM frequency when the ISM frequency is used by the UE by:

receiving a Radio Resource Connection (RRC) reconfiguration message with a list of the non-serving LTE frequencies from the base station,

configuring the non-serving LTE frequencies in the received list so as to perform a measurement on the configured non-serving LTE frequencies, and

detecting the anticipation of in-device coexistence interference between the at least one of the non-serving LTE frequencies and the ISM frequency when the ISM frequency is used by the UE.

9. The UE of claim 6 , wherein the information indicating the anticipation of in-device coexistence interference between the at least one of the non-serving LTE frequencies and the ISM frequency is transmitted through a message including information indicating one or more LTE frequencies being affected by the ISM frequency.

10. The UE of claim 6 , wherein the at least one processor is further configured to:

indicate to the base station that the UE no longer suffers the in-device coexistence interference.

11. A base station comprising:

a transceiver; and

at least one processor,

wherein the at least one processor is configured to:

receive, from a user equipment (UE), information indicating anticipation of in-device coexistence interference between at least one of the non-serving Long Term Evolution (LTE) frequencies and an Industrial, Scientific and Medical (ISM) frequency of the UE, in response to the UE detecting the anticipation of the in-device coexistence interference when the ISM frequency is used, and

receive, from the UE, information on when the UE no longer suffers from the in-device coexistence interference.

12. The base station of claim 11 , wherein the at least one processor is further configured to:

transmit, to the UE, a list of the non-serving LTE frequencies to perform a measurement on the non-serving LTE frequencies.

13. The base station of claim 11 , wherein the at least one processor is further configured to transmit, to the UE, a Radio Resource Connection (RRC) reconfiguration message with a list of the non-serving LTE frequencies.

14. The base station of claim 11 , wherein the information indicating the anticipation of in-device coexistence interference between the at least one of the non-serving LTE frequencies and the ISM frequency is received through a message including information indicating one or more LTE frequencies being affected by the ISM frequency.

15. The base station of claim 11 , wherein the at least one processor is further configured to:

receive, from the UE, indication that the UE no longer suffers the in-device coexistence interference.