Patent ID: 9131483
Filing Date: 2015-09-08
Classification: A61B,H04W

Abstract:
1. A method of transmitting and receiving data by a terminal with a base station in a medical body area network (MBAN), the method comprising: receiving available channel list information from the base station via a channel of a first frequency band, the available channel list information indicating at least one available channel of a second frequency band; performing channel switching from the channel of the first frequency band to one of the at least one available channel of the second frequency band, based on the available channel list information; and communicating data with the base station via the channel-switched available channel, wherein receiving the available channel list information includes: receiving a beacon frame from the base station via the channel of the first frequency band, transmitting to the base station an electronic key request message for requesting available channel information of the second frequency band, and receiving from the base station an electronic key response message in response to the electronic key request message, wherein the available channel list information is contained in the electronic key response message, and wherein the electronic key response message comprises personal area network identifier (PAN ID) information representing a wireless personal area network (WPAN) using a specific channel of the second frequency band, and transmit power limit information representing maximum transmission power in the specific channel of the second frequency band.