Patent ID: 11955606
Assignee: LG ENERGY SOLUTION, LTD.
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC H  Y | IPC H

Claim 0:
1. A master battery management system (BMS) for performing wireless communication with a slave BMS according to a frequency hopping method in a battery pack, the master BMS comprising:
a communicator configured to receive first channel scan information generated by scanning a plurality of channels belonging to a frequency bandwidth used in the wireless communication by a device disposed outside the battery pack;
a channel analyzer configured to generate second channel scan information by scanning the channels belonging to the frequency bandwidth;
a storage configured to store a reference signal to noise ratio (SNR) value on the wireless communication; and
a controller configured to select a hopping channel used in the frequency hopping method based on the first channel scan information and to calculate a signal intensity of the selected hopping channel based on the second channel scan information and the reference SNR value.