| 摘要 |
In a WUSB communication environment in which isochronous transfer cannot be used, priority communication is performed in units of devices. A WUSB host manages assigning of a band of reserved one or more MASs in a superframe by using a device information management table, in which device information entries each describing, in a bitmap format, a MAS for which a transaction can be executed are each provided for a WUSB device. The WUSB host assigns at least some of the reserved one or more MASs only to a particular WUSB device. Only a WUSB device marked in a corresponding device information entry serves as a target of transaction scheduling.
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