Patent ID: 9319950
Filing Date: 2016-04-19
CPC Classification: H04W,Y02D

Claim Text:
1. A method for a wireless local access network, the method performed by a first station operating in a power save mode, the method comprising: transmitting, to a second station, a multi-band switch request message for requesting a switching from a first frequency band to a second frequency band, the second frequency band including a plurality of channels, wherein the multi-hand switch request message includes switching channel information indicating the second frequency band and a wakeup schedule for periodically operating in the power save mode in the second frequency band; receiving, from the second station, a multi-band switch response message in response to the multi-band switch request message, the multi-band switch response message comprising a status code indicating a success or a failure cause of the switching from the first frequency band to the second frequency band; and if the status code indicates the success, switching from the first frequency band to the second frequency band, wherein the wakeup schedule includes a start time field and a duration field, the start time field indicates a start time of an operation in the power save mode and a duration field indicates a duration of the operation in the power save mode, and wherein the switching channel information includes channel number information specifying at least one channel of the plurality of channels to be operated in the second frequency band.