Location service assisted transition between wireless networks
First Claim
1. A method of transitioning a mobile client between two different networks, comprising:
- establishing a mobile client in a first network, said mobile client including a first radio transmission module and a second radio transmission module;
verifying that said mobile client has entered a capture area of a second network; and
transitioning said mobile client from said first network to said second network, said transitioning comprising;
ceasing transmission from said first radio transmission module in said mobile client associated with said first network, initiating transmission from said second radio transmission module in said mobile client associated with said second network, and connecting said mobile client to said second network.
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Accused Products
Abstract
Location information available from a navigational system, such as the Global Positioning System (GPS) is used to transition a mobile client, such as a handset, between a Wide Area Network (WAN), such as a cellular telephone network, and a Wireless Local Area Network (WLAN), such as a system conforming to the 802.11 standard, (and vice versa), under user control and initiation, and may also be used to transition between two or more WLANs, for example, WLANs with different ranges and data rates. The transition is of a ‘break-before-make’ type, i.e. the mobile client is authenticated to the ‘new’ network via the ‘old’ network, disconnects from the ‘old’ network, and turns off the associated circuitry, turns on the circuitry needed to connect to the ‘new’ network, and then connects to it, overcoming problems such as mutual interference and receiver desensitization by transmitting only on one frequency band at any given time.
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Citations
24 Claims
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1. A method of transitioning a mobile client between two different networks, comprising:
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establishing a mobile client in a first network, said mobile client including a first radio transmission module and a second radio transmission module;
verifying that said mobile client has entered a capture area of a second network; and
transitioning said mobile client from said first network to said second network, said transitioning comprising;
ceasing transmission from said first radio transmission module in said mobile client associated with said first network, initiating transmission from said second radio transmission module in said mobile client associated with said second network, and connecting said mobile client to said second network. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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13. Apparatus for transitioning a mobile client between two different networks, comprising:
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means for establishing a mobile client in a first network, said means for establishing including a first radio transmission module and a second radio transmission module;
means for verifying that said mobile client has entered a capture area of a second network; and
means for transitioning said mobile client from said first network to a second network, said means for transitioning comprising;
means for ceasing transmission from said first radio transmission module in said mobile client associated with said first network, means for initiating transmission from said second radio transmission module in said mobile client associated with said second network, and means for connecting said mobile client to said second network. - View Dependent Claims (14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24)
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Specification