Source: https://patents.google.com/patent/US9794967B2/en
Timestamp: 2018-06-19 05:53:52
Document Index: 143625234

Matched Legal Cases: ['§8', '§8', 'art 11', 'art 11', 'Application No, 2', 'Application No. 2', 'Application No. 2', 'Application No. 201180033223', 'Application No. 201180033260', 'Application No. 201180033260', 'Application No. 201180033296', 'Application No. 201180033296', 'Application No. 201230044612', 'Application No. 201280044612', 'Application No. 11726170', 'Application No. 11733699', 'Application No. 12831400', 'Application No. 10', 'Application No. 10']

US9794967B2 - Discovering network information available via wireless networks - Google Patents
US9794967B2
US9794967B2 US14298289 US201414298289A US9794967B2 US 9794967 B2 US9794967 B2 US 9794967B2 US 14298289 US14298289 US 14298289 US 201414298289 A US201414298289 A US 201414298289A US 9794967 B2 US9794967 B2 US 9794967B2
US14298289
US20140286242A1 (en )
This application claims priority as a Continuation Application to U.S. Ser. No. 13/234,799 (now U.S. Pat. No. 8,750,180, issued on Jun. 10, 2014), filed on Sep. 16, 2011, entitled “DISCOVERING NETWORK INFORMATION AVAILABLE VIA WIRELESS NETWORKS,” the entire disclosure of which is herein incorporated by reference.
WAN Mean
Info ID Length Latency (optional)
Octets: 2 2
WAN Downlink Uplink Downlink Uplink Current Mean Latency
Info Speed Speed Load Load LMD Latency (optional)
Octets: 1 4 4 1 1 2 2 2
<Neighbor
ID Length Element>
Octets: 2 2 variable
In a second example, the Neighbor AP Report 404 may be a first new IEEE 802.11 ANQP element. In this example, the sub-fields from the Neighbor Report element as shown and described in the IEEE 802.11 Specification in §8.4.2.39 (Draft P802.11-REVmb/D9.2 July 2011) may be utilized to avoid the duplication of header fields. As defined in the IEEE 802.11 Specification, the Neighbor Report Element includes an information identifier, length, basic service set identifier (“BSSID”), BSSID Information, operating class, channel number, physical layer, and optional subelements.
Info BSSID Operating Channel PHY Optional
ID Length BSSID Information Class Number Type Subelements
Octets: 2 2 6 4 1 1 1 variable
Referring to Table 5, the operating class may indicate a channel set of the access point indicated by the BSSID. The operating class combined with the channel number specify the channel frequency and spacing for the access point indicated by the BSSID. The physical layer (“PHY”) type field indicates the physical layer type of the access point indicated by the BSSID. Optional subelements are described and illustrated in Table 8-114 of the IEEE 802.11 Specification in §8.4.2.39 (Draft P802.11-REVmb/D9.2 July 2011).
Octets: variable
Info Capability #1 Capability #n
ID Length (optional) . . . (optional)
Octets: 2 2 17 17
Capability ID Version
Capability #1 Capability #n
(optional) . . . (optional)
Octets: 17 17
Info 3GPP 3GPP Entity 3GPP Entity
ID Length Release #1 (optional) . . . #n (optional)
Octets: 2 2 1 17 17
3GPP Entity 3GPP Entity
3GPP 3GPP Entity 3GPP Entity
Release #1 (optional) . . . #n (optional)
Info Protocol #1 Protocol #n
Protocol #1 Protocol #n
ID Length identification
b0 b15
ANQP ANQP
ID Length #1 . . . #n
Octets: 2 2 variable . . . variable
SSID element BSSID element <AE>
#1 . . . #n
Octets: variable . . . variable
SSID element BSSID element <HE>
transmitting, from a wireless device to an access point (AP) to which the wireless device is not associated and while operating at a medium access control (MAC) sublayer of a data link layer, a request for information describing latency existing in the wireless network between the access point and another device in the wireless network, wherein the request comprises a first Wide Area Network (WAN) Latency Access Network Query Protocol (ANQP) element, and wherein the latency existing in the wireless network is determined at least partially according to a round-trip delay time measured by the access point; and
receiving at the wireless device, a response from the AP, wherein the response comprises a second WAN Latency ANQP element that contains information describing the latency existing in the wireless network between the access point and the another device in the wireless network.
2. The method of claim 1 wherein the first WAN Latency ANQP element is defined as a Hotspot 2.0 ANQP element.
3. The method of claim 1 wherein the WAN Latency ANQP element is transmitted using a generic advertisement service (GAS).
4. The method of claim 3 wherein the GAS provides support for a network selection operation of the wireless device.
5. 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, a request for information describing latency existing in the wireless network between an access point (AP) and another device in the wireless network to which the wireless device is not associated and while operating at a media access control (MAC) sublayer of a data link layer, wherein the request comprises a first Wide Area Network (WAN) Latency Access Network Query Protocol (ANQP) element, and wherein the latency existing in the wireless network is determined at least partially according to a round-trip delay time measured by the access point; and
receiving, at the wireless device, a response from the AP that comprises a second WAN Latency ANQP element, wherein the second WAN Latency ANQP element contains information describing the latency existing in the wireless network between the AP and the another device in the wireless network.
6. The wireless device of claim 5 wherein the WAN Latency ANQP element is transmitted using a generic advertisement service (GAS), and wherein the GAS provides support for a network selection operation of the wireless device.
7. An access point (AP) associated with a wireless local area network comprising:
receive, from a wireless device to which the AP is not associated and while operating at a media access control (MAC) sublayer of a data link layer, a request for information describing latency existing in the wireless local area network, wherein the request comprises a first Wide Area Network (WAN) Latency Access Network Query Protocol (ANQP) element for information describing latency existing in the wireless local area network between the AP and another device in the wireless network, and wherein the latency existing in the wireless network is determined at least partially according to a round-trip delay time measured by the access point; and
transmit, to the wireless device, a response, wherein the response comprises a second WAN Latency ANQP element that contains information describing the latency existing in the wireless local area network between the AP and the another device in the wireless network.
8. The AP of claim 7 wherein the WAN Latency ANQP element is transmitted using a generic advertisement service (GAS), and wherein the GAS provides support for a network selection operation of the wireless device.
9. The wireless device of claim 5, wherein the first WAN Latency ANQP element is defined as a Hotspot 2.0 ANQP element.
10. The access point of claim 7, wherein the first WAN Latency ANQP element is defined as a Hotspot 2.0 ANQP element.
11. The method of claim 1, wherein the information describing the latency existing in the wireless network comprises an average latency of the wireless network between the AP and the another device in the wireless network as measured by the AP over a period of time.
12. The method of claim 1, wherein the information describing the latency existing in the wireless network comprises a current latency of the wireless network between the AP and the another device in the wireless network as measured at substantially a same time as receipt of the second WAN Latency ANQP element.
13. The wireless device of claim 5, wherein the information describing the latency existing in the wireless network comprises an average latency of the wireless network between the AP and the another device in the wireless network as measured by the AP over a period of time.
14. The wireless device of claim 5, wherein the information describing the latency existing in the wireless network comprises a current latency of the wireless network between the AP and the another device in the wireless network as measured at substantially a same time as receipt of the second WAN Latency ANQP element.
15. The AP of claim 7, wherein the information describing the latency existing in the wireless network comprises an average latency of the wireless local area network between the AP and the another device in the wireless network as measured by the AP over a period of time.
16. The AP of claim 7, wherein the information describing the latency existing in the wireless network comprises a current latency of the wireless local area network between the AP and the another device in the wireless network as measured at substantially a same time as transmission of the second WAN Latency ANQP element.
US14298289 2011-09-16 2014-06-06 Discovering network information available via wireless networks Active US9794967B2 (en)
US13234799 Continuation US8750180B2 (en) 2011-09-16 2011-09-16 Discovering network information available via wireless networks
US15785121 Continuation US20180042058A1 (en) 2011-09-16 2017-10-16 Discovering Network Information Available via Wireless Networks
US20140286242A1 true US20140286242A1 (en) 2014-09-25
US9794967B2 true US9794967B2 (en) 2017-10-17
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US8750180B2 (en) 2014-06-10 grant
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