Patent ID: 9572192
Date: 2017-02-14
CPC Classifications: H04W

Claim:
1. A method, comprising: determining a first set of physical parameters of a first channel by a coordinator in a wireless communication system; establishing communication with a first set of devices over the first channel, wherein the whole first channel is used by the first set of devices to transfer data; determining a protection period in accordance with a pre-determined rule; broadcasting a channel-adjustment message, wherein the channel-adjustment message comprises a set of instructions for indicating how to adjust from the first channel to a second channel, and the set of instructions comprise channel bandwidth information for indicating how to adjust to a bandwidth of the second channel, and central frequency information for indicating how to adjust to a central frequency of the second channel; and communicating with a second set of devices over the second channel during the protection period, wherein the whole second channel is used by the second set of devices to transfer data; wherein the communication over the first channel and the communication over the second channel during the protection period are compliant with a same communication standard within the same wireless communication system.