Patent ID: 7596646
Filing Date: 2009-09-29
Classification: G06F,H04W

Abstract:
1. A wireless USB (universal serial bus) host apparatus supporting an UWB (ultra wide band) for connecting a PC (personal computer) and a plurality of wireless USB devices through a wireless link, the wireless USB host apparatus comprising: a connecting unit for receiving transmit data and a control signal from the PC and transmitting the transmit data and the control signal to a protocol transforming unit and a controlling unit, respectively, and wherein the connecting unit receives received data from the protocol transforming unit and a control signal from the controlling unit and transfers the received data and the control signal to the PC; the protocol transforming unit for transforming the transmit data inputted from the connecting unit to a media accessing data and allocating a media accessing slot to each of the wireless USB devices to share a single wireless channel by the plurality of the wireless USB devices, and wherein the protocol transforming unit extracts the received data from the media accessing data received from an UWB physical layer processing unit and transferring the extracted data to the connecting unit; the UWB physical layer processing unit for transforming the media accessing data outputted from the protocol transforming unit to an UWB wireless signal and transferring the UWB wireless signal to the wireless USB devices, and receiving an UWB wireless signal from the wireless USB devices, transforming the received UWB wireless signal to media accessing data and outputting the media accessing data to the protocol transforming unit; and the controlling unit for controlling and managing the connecting unit, the protocol transforming unit and the UWB physical layer processing unit, wherein the PC connected to the plurality of wireless USB devices, that transmit and receive wireless data through UWB and shares the single transmission channel, supports a Quality of Service (QoS) for each of the plurality of wireless USB devices at the same time.