Discovering network information available via wireless networks
First Claim
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1. A method for communicating in a wireless network, comprising:
- transmitting, from a wireless device to an access point (AP), an Access Network Query Protocol (ANQP) request for a Third Generation Partnership Project (3GPP) capabilities element prior to the wireless device associating with the AP; and
receiving, at the wireless device prior to the wireless device associating with the AP, an ANQP response from the AP, wherein the ANQP response includes the 3GPP capabilities element, wherein the 3GPP capabilities element includes information about switching access between a wireless local area network (WLAN) and a cellular network.
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Abstract
Network information may be discoverable without requiring a connection to that network. For example, Access Network Query Protocol (“ANQP”) may allow a device to discover information about a network prior to the device associating with that network. In other words, ANQP allows a network terminal to request additional network information prior to establishing network capability. The additional network information that may be discoverable includes network latency, cellular capabilities, hotspot capabilities, mobility capabilities, neighbor reports, station identification, and multiple hotspot session identification.
197 Citations
20 Claims
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1. A method for communicating in a wireless network, comprising:
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transmitting, from a wireless device to an access point (AP), an Access Network Query Protocol (ANQP) request for a Third Generation Partnership Project (3GPP) capabilities element prior to the wireless device associating with the AP; and receiving, at the wireless device prior to the wireless device associating with the AP, an ANQP response from the AP, wherein the ANQP response includes the 3GPP capabilities element, wherein the 3GPP capabilities element includes information about switching access between a wireless local area network (WLAN) and a cellular network. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. A wireless device for communicating in a wireless network, comprising:
a processor interconnected with a memory, the processor configured for; transmitting, from the wireless device to an access point (AP), an Access Network Query Protocol (ANQP) request for a Third Generation Partnership Project (3GPP) capabilities element, prior to the wireless device associating with the AP; and receiving, at the wireless device prior to the wireless device associating with the AP, an ANQP response from the AP, wherein the ANQP response includes the 3GPP capabilities element, wherein the 3GPP capabilities element includes information about switching access between a wireless local area network (WLAN) and a cellular network. - View Dependent Claims (9, 10, 11, 12, 13, 14)
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15. An access point (AP) associated with a wireless local area network (WLAN), comprising:
a processor interconnected with a memory, the processor configured for; receiving, from a wireless device, an Access Network Query Protocol (ANQP) request for a Third Generation Partnership Project (3GPP) capabilities element prior to the wireless device associating with the AP; and transmitting to the wireless device prior to the wireless device associating with the AP, an ANQP response, wherein the ANQP response includes the 3GPP capabilities element, wherein the 3GPP capabilities element includes information about switching access between the WLAN and a cellular network. - View Dependent Claims (16, 17, 18, 19, 20)
Specification