Configuration method of communication path for portable communication device and portable communication device supporting the same

1 . A portable communication device, comprising:

a communication processor;

at least one antenna; and

a communication circuit disposed between the communication processor and the at least one antenna, the communication circuit including a plurality of active elements located on a plurality of radio frequency communication paths configured to respectively or selectively support a plurality of radio frequency bands,

wherein the communication processor is configured to: identify whether at least some of the plurality of active elements are in an abnormal state and, based on an abnormal state of a first active element configured to support delivery of a signal of a first frequency band among the at least some of the plurality of active elements being identified, control the portable communication device to change a communication path including the first active element to a communication path including a second active element different from the first active element among the plurality of active elements for the signal of the first frequency band,

wherein the communication processor is configured to control the communication circuit to transmit capability information to a base station, and

wherein the capability information includes a notification about a status of processing the signal of the first frequency band based on the second active element.

2 . The portable communication device of claim 1 , wherein the communication processor is configured to:

block the communication path including the first active element when the first active element is the abnormal state.

3 . The portable communication device of claim 1 , wherein the communication processor is configured to:

block a carrier aggregation combo combination including the first active element when the first active element is the abnormal state.

4 . The portable communication device of claim 1 , wherein the communication processor is configured to:

write the capability information including the notification about the status of processing the signal of the first frequency band based on the second active element.

5 . The portable communication device of claim 1 , wherein the communication processor is configured to control the portable communication device to change one of a plurality of receive paths of the first active element to a diversity receiver (DRx) path included in the communication circuit, based on the first active element being a multi-input multi-output (MIMO) receive circuit.

6 . The portable communication device of claim 1 , wherein the communication processor is configured to:

identify whether the at least some of the plurality of active elements are in the abnormal state, based on at least one of the portable communication device being turned on from a turn-off state, an airplane mode changing from an on-state to an off-state, an input for identifying a communication path occurring, a specified certain period arriving, or communication quality of a specific communication path decreasing to less than a specified threshold occurring.

7 . The portable communication device of claim 1 , wherein the communication processor is configured to:

transmit a specified scan signal to the at least some of the plurality of active elements and determine whether the at least some of the plurality of active elements are in the abnormal state based on a response signal corresponding to the transmitted scan signal.

8 . The portable communication device of claim 1 , wherein the communication processor is configured to:

lower a communication characteristic of the first active element and process delivery of the signal of the first frequency band using the first active element when the communication characteristic is lowered.

9 . The portable communication device of claim 8 , wherein the communication processor is configured to:

change a multi-input multi-output (MIMO) order, based on the first active element being a MIMO receive circuit.

10 . A method for processing a communication path in a portable communication device, the method comprising:

identifying whether at least some of a plurality of active elements included in a communication circuit disposed between an antenna and a communication processor are in an abnormal state; and

based on an abnormal state of a first active element for supporting delivery of a signal of a first frequency band among the at least some of the plurality of active elements being detected, controlling the portable communication device to change a communication path associated with the first active element to a communication path associated with a second active element different from the first active element among the plurality of active elements to deliver the signal of the first frequency band,

wherein the method further comprises controlling the communication circuit to transmit capability information to a base station, and

wherein the capability information includes a notification about a status of processing the signal of the first frequency band based on the second active element.

11 . The method of claim 10 , further comprising:

at least one of blocking a communication path including the first active element when the first active element is the abnormal state, and blocking a carrier aggregation combo combination including the first active element when the first active element is the abnormal state.

12 . The method of claim 10 , further comprising:

writing the capability information including the notification about the status of processing the signal of the first frequency band based on the second active element.

13 . The method of claim 10 , wherein the controlling includes:

changing one of a plurality of receive paths of the first active element to a diversity receiver (DRx) path included in the communication circuit, based on the first active element being a multi-input multi-output (MIMO) receive circuit.

14 . The method of claim 10 , wherein the identifying of whether the at least some of the plurality of active elements are in the abnormal state includes:

identifying whether the at least some of the plurality of active elements are in the abnormal state, based on at least one of the portable communication device being turned on from a turn-off state, an airplane mode changing from an on-state to an off-state, an input for identifying a communication path occurring, a specified certain period arriving, or communication quality of a specific communication path decreasing to less than a specified threshold occurring.

15 . The method of claim 10 , wherein the identifying of whether the at least some of the plurality of active elements are in the abnormal state includes:

transmitting a specified scan signal to the at least some of the plurality of active elements and determining whether the at least some of the plurality of active elements are in the abnormal state based on a response signal corresponding to the transmitted scan signal.

16 . The method of claim 10 , wherein the controlling includes:

lowering a communication characteristic of the first active element and processing delivery of the signal of the first frequency band using the first active element when the communication characteristic is lowered.

17 . A portable communication device, comprising:

a communication processor;

at least one antenna; and

a communication circuit disposed between the communication processor and the at least one antenna and configured to support a plurality of radio frequency transmit paths and a plurality of radio frequency receive paths to respectively or selectively support a plurality of radio frequency bands,

wherein the communication processor is configured to: determine whether a first transmit path is abnormal based on signal quality of the first transmit path for transmitting a first radio frequency signal among the plurality of radio frequency transmit paths and control the portable communication device to change a path to output the first radio frequency signal through a second transmit path different from the first transmit path, based on an abnormality occurring in the first transmit path, and

wherein the communication processor is configured to control the portable communication device to change a multi-input multi-output (MIMO) order, based on a first receive path including MIMO Rx, and change one of MIMO Rx paths to a diversity receiver (DRx) path included in the communication circuit.

18 . The portable communication device of claim 17 , wherein the communication processor is configured to: determine whether a first receive path is abnormal based on signal quality of the first receive path for receiving a second radio frequency signal among the plurality of radio frequency receive paths and control the portable communication device to change a path to receive the second radio frequency signal through a second receive path, based on an abnormality occurring in the first receive path.

19 . The portable communication device of claim 17 , wherein the communication processor is configured to:

output an alarm corresponding to occurrence of a defect in a part of the communication circuit based on the determination of whether the first transmit path is abnormal.