Patent ID: 8750918

Claim:
An electronic device, comprising: a first antenna unit, supporting a first communication protocol, wherein a band of the first communication protocol is divided into a plurality of first channels; a second antenna unit, supporting a second communication protocol, wherein a band of the second communication protocol is divided into a plurality of second channels; a first detection unit, coupled to the first antenna unit and the second antenna unit, and measuring a throughput of each of the second channels when each of the first channels is used; a second detection unit, coupled to the second antenna unit, and detecting a number of wireless access points on each of the second channels; a storage unit, coupled to the first detection unit and the second detection unit, and providing a storage space to store the throughput of each of the second channels obtained when each of the first channels is used and the number of the wireless access points; and a control unit, coupled to the storage unit, and selecting at least one second channel simultaneously used together with the first channel currently used from the second channels according to the throughput and the number of the wireless access points.