Wireless Network Handoff Method and Mobile Device Using Same
First Claim
Patent Images
1. A wireless network handoff method for a portable wireless device, the method comprising:
- authenticating for a service on two or more wireless networks such that the wireless device is simultaneously authenticated for services on the two or more wireless networks,sending and receiving data using one of the two or more wireless networks, andhanding-off the sending and receiving of data to another one of the wireless networks based on wireless network selection criteria.
1 Assignment
0 Petitions
Accused Products
Abstract
In a method for wireless network handoff a mobile device scans for candidate wireless networks and authenticates for a access session with discovered networks as soon as the networks are discovered regardless of the presence of a handoff condition.
-
Citations
20 Claims
-
1. A wireless network handoff method for a portable wireless device, the method comprising:
-
authenticating for a service on two or more wireless networks such that the wireless device is simultaneously authenticated for services on the two or more wireless networks, sending and receiving data using one of the two or more wireless networks, and handing-off the sending and receiving of data to another one of the wireless networks based on wireless network selection criteria. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
-
-
12. A wireless computer network roaming method for a portable wireless device, the method comprising:
-
discovering accessible Wi-Fi networks, authenticating with a service on all off the accessible Wi-Fi networks such that the wireless device is simultaneously authenticated for a service on the accessible Wi-Fi networks, sending and receiving data using only a first one of the accessible Wi-Fi networks, assessing the accessible Wi-Fi networks to identify a preferred Wi-Fi network, if the preferred Wi-Fi network is not the first one of the accessible Wi-Fi networks then changing the sending and receiving of data to the preferred Wi-Fi network, wherein authenticating with a service comprises providing authentication credentials to an authentication server
-
-
13. A portable wireless device comprising:
-
only one physical wireless network adapter, a virtual network adapter or device driver for emulating two or more wireless network connections using the physical wireless network adapter such that the device may simultaneously connect with two or more wireless networks, a network selector list comprising one or more of a list of preferred networks and/or a list of network selection criteria, and a network selector for comparing two or more connected wireless networks with the network selector list and selecting a preferred one of the connected networks. - View Dependent Claims (14, 15, 16, 17, 18, 19)
-
-
20. A method of operating a wireless IP phone comprising:
-
simultaneously pre-authenticating for a service on a plurality of wireless IP networks, sending and receiving conversation data using only one connected network at a time, changing the network used for sending and receiving conversation based on network selection criteria.
-
Specification