Patent ID: 8601137

Claim:
A session management method of managing a session created between a wireless Universal Serial Bus (USB) host and a wireless USB device through a wireless network, the session management method comprising: receiving session status messages periodically to check a status of the created session, wherein the session status messages indicate whether the created session is active; changing a current status of the created session from a connected status to a suspended status if the current status of the created session is the connected status when a number of continuous reception failures corresponding to a number of the session status messages that are not received reaches a first reference number; and terminating the created session if the current status of the created session is the suspended status when the number of the continuous reception failures reaches a second reference number, wherein the created session is a wireless USB session; wherein the session status messages are received periodically to check the status during the entire created session; and wherein the suspended status allows a session to be restarted without creating a new session.