WO2011041171A4 - Methods and apparatus for solicited activation for protected wireless networking - Google Patents

Methods and apparatus for solicited activation for protected wireless networking Download PDF

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Publication number
WO2011041171A4
WO2011041171A4 PCT/US2010/049663 US2010049663W WO2011041171A4 WO 2011041171 A4 WO2011041171 A4 WO 2011041171A4 US 2010049663 W US2010049663 W US 2010049663W WO 2011041171 A4 WO2011041171 A4 WO 2011041171A4
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WO
WIPO (PCT)
Prior art keywords
protocol
wireless
devices
scan
network
Prior art date
Application number
PCT/US2010/049663
Other languages
French (fr)
Other versions
WO2011041171A1 (en
Inventor
Robert Bradley
Christopher B. Zimmermann
Philip F. Kearney
Original Assignee
Apple Inc.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Apple Inc. filed Critical Apple Inc.
Priority to JP2012532189A priority Critical patent/JP5437496B2/en
Priority to KR1020127010923A priority patent/KR101481873B1/en
Priority to CN201080043807.3A priority patent/CN102577525B/en
Priority to EP10765533A priority patent/EP2484155A1/en
Publication of WO2011041171A1 publication Critical patent/WO2011041171A1/en
Publication of WO2011041171A4 publication Critical patent/WO2011041171A4/en

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W60/00—Affiliation to network, e.g. registration; Terminating affiliation with the network, e.g. de-registration
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00—Network arrangements or protocols for supporting network services or applications
    • H04L67/50—Network services
    • H04L67/51—Discovery or management thereof, e.g. service location protocol [SLP] or web services
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W48/00—Access restriction; Network selection; Access point selection
    • H04W48/16—Discovering, processing access restriction or access information

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Computer Security & Cryptography (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Telephone Function (AREA)

Abstract

Methods and apparatus that enable solicited access to a secure wireless network having complex security protocols. In one embodiment, such solicited access is performed using a streamlined or reduced number of steps and includes an exemplary active/passive scanning protocol and use of an optimized service discovery protocol (SDP). Furthermore, multiple aspects of the invention are directed to improving and enhancing user experience, including a reduction of "human" interaction requirements for secure network operation (such as changing settings, entering addresses, etc.), and furthermore, integrated utilization of human readable text.

Claims

AMENDED CLAIMS received by the International Bureau on 23 April 201 1 (23/04/201 1)
1. A method for discovering a wireless network, the method comprising: actively scanning one or more allowed channels by transmitting one or more requests;
passively scanning one or more prohibited channels by listening for transmitted signals; and
discovering a channel based at least in part on at least one of the active or passive scans.
2. The method of Claim 1 , wherein the wireless network comprises a network compliant with IEEE Std. 802.1 1, the one or more requests comprise probe request: and the transmitted signals comprise beacon signals.
3. The method of Claim 2, wherein the passive scanning comprises scanning a first frequency range subset corresponding to one or more Dynamic Frequency Scan (DFS) prohibited channels.
4. The method of Claim 2, wherein the active scanning comprises transmitting the requests over one or more Dynamic Frequency Scan (DFS) allowed channels.
5. Apparatus for use in a wireless network, comprising:
a processor capable of executing one or more computer executable
instructions;
a wireless transceiver; and
a memory comprising a computer program executable by the processor, wherein the computer program, when executed by the processor, causes the processor to:
actively scan for one or more wireless access points via the wireless transceiver;
passively scan for the one or more wireless access points via the wireless transceiver;
determine whether one or more discovered wireless access points support operation according to a secure protocol; and filter one or more of the discovered wireless access points that do not support the secure protocol.
6. The apparatus of Claim 5, wherein the computer program, when executed, further causes the processor to transmit via the wireless transceiver an information element to the one or more wireless access points that operate according to the secure protocol.
7. The apparatus of Claim 5, wherein the apparatus is compliant with IEEE Std. 802.11, the active scan comprises transmitting one or more probe requests, and the passive scan comprises receiving one or more beacon signals.
8. The apparatus of Claim 5, wherein the passive scan comprises scanning one or more radio frequency channels that are prohibited for transmission, and the active scan comprises transmitting request messages over one or more channels that are not prohibited for transmission.
9. The apparatus of Claim 8, wherein the passive scan and the active scan are performed substantially simultaneously.
10. The apparatus of Claim 8, wherein the passive scan and the active scan are performed in a staggered fashion.
1 1. The apparatus of Claim 5, wherein the determination of whether one or more discovered wireless access points support operation according to a secure protocol comprises receiving one or more information elements (IEs) designating one or more security protocols supported by the discovered wireless access points.
12. The apparatus of Claim 1 1, wherein the one or more IEs are embedded within respective ones of management frames in Type-Length- Value (TLV) definitions.
13. The apparatus of Claim 5, wherein the apparatus is compliant with IEEE Std. 802.11, and the secure protocol comprises Solicited Activation of Wireless Protected Setup (SAW).
14. The apparatus of Claim 5, wherein the apparatus comprises no user interface that supports display of network security negotiation parameters.
15. The apparatus of Claim 5, wherein the apparatus comprises a portable media-capable device.
16. A method for publishing a new enrollee on a wireless network, the method comprising:
receiving a remote procedure call for a wireless setup protocol, the remote procedure call associated with the new enrollee;
determining whether adding the new enrollee would violate a network operational criterion;
adding the new enrollee to a list if adding of the new enrollee would not violate the criterion, and
publishing a service discovery record for the new enrollee to the wireless network.
17. The method of Claim 16, wherein the wireless network is compliant with IEEE Std. 802.1 1 , and the wireless setup protocol comprises the Wireless Protected Setup (WPS) protocol.
18. The method of Claim 16, wherein publishing the service discovery record for the new enrollee to the wireless network comprises publishing at least a sub-type description via at least a service discovery protocol.
19. The method of Claim 18, wherein the service discovery protocol allows for searching of the service discovery record and other records by the sub-type.
20. A method of forming a wireless network comprised of at least two wireless devices, the method comprising:
performing a detection protocol using a first of the devices to detect available others of the devices;
determining based at least in part on the detection protocol whether individual ones of the other devices support a prescribed security protocol;
requesting joinder of the first device to a network where the security protocol is supported;
providing information regarding the first device to at least one of the other devices pursuant to the request; and establishing operation between the first device and the at least one other device according to the security protocol.
21. The method of Claim 20, wherein the first device comprises a client device, and the at least one other device comprises an access point.
22. The method of Claim 21, wherein the first device and the access point are compliant with IEEE Std. 802.1 1.
23. The method of Claim 22, wherein the security protocol comprises Solicited Activation of Wireless Protected Setup (SAW).
24. The method of Claim 20, wherein the first device comprises an access point, and the at least one other device comprises a client device.
25. The method of Claim 20, wherein performing the detection protocol using the first of the devices to detect available others of the devices comprises:
actively scanning one or more allowed channels by transmitting one or more requests; and
passively scanning one or more prohibited channels by listening for transmitted signals.
26. The method of Claim 20, wherein determining based at least in part on the detection protocol whether individual ones of the other devices support a prescribed security protocol comprises receiving an information element as part of a probe response message.
27. The method of Claim 20, wherein providing information regarding the first device to at least one of the other devices pursuant to the request comprises providing a human-assigned, human-readable name or identifier.
28. The method of Claim 20, wherein the method is performed
substantially automatically and without user intervention.
29. The method of Claim 20, wherein at least one of the first device and the at least one other device has no visual user interface, and the method comprises using
42 another device of the network to provide user interface capabilities for the first or at least one other device.
30. A computer readable storage medium having at least one computer program, the at least one computer program having a plurality of instructions which, when executed on a computerized device, cause the computerized device to:
perform a detection protocol using a first wireless device to detect one or more available wireless devices;
determine, based at least in part on the detection protocol, whether individual ones of the one or more available devices support a prescribed security protocol;
request joinder of the first device to the one or more available devices where the security protocol is supported;
provide information regarding the first device to at least one of the one or more available devices pursuant to the request; and
establish operation between the first device and the at least one available device according to the security protocol.
31. The method of claim 1 , wherein the passive scan and the active scan are performed substantially simultaneously.
43
PCT/US2010/049663 2009-09-30 2010-09-21 Methods and apparatus for solicited activation for protected wireless networking WO2011041171A1 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP2012532189A JP5437496B2 (en) 2009-09-30 2010-09-21 Method and apparatus for soliciting activation of a protected wireless network
KR1020127010923A KR101481873B1 (en) 2009-09-30 2010-09-21 Methods and apparatus for solicited activation for protected wireless networking
CN201080043807.3A CN102577525B (en) 2009-09-30 2010-09-21 Methods and apparatus for solicited activation for protected wireless networking
EP10765533A EP2484155A1 (en) 2009-09-30 2010-09-21 Methods and apparatus for solicited activation for protected wireless networking

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US12/571,102 2009-09-30
US12/571,102 US8873523B2 (en) 2009-09-30 2009-09-30 Methods and apparatus for solicited activation for protected wireless networking

Publications (2)

Publication Number Publication Date
WO2011041171A1 WO2011041171A1 (en) 2011-04-07
WO2011041171A4 true WO2011041171A4 (en) 2011-06-09

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Country Status (8)

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US (1) US8873523B2 (en)
EP (1) EP2484155A1 (en)
JP (1) JP5437496B2 (en)
KR (1) KR101481873B1 (en)
CN (1) CN102577525B (en)
GB (1) GB2474111B (en)
TW (1) TWI449449B (en)
WO (1) WO2011041171A1 (en)

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Publication number Publication date
GB201016004D0 (en) 2010-11-10
KR20120093236A (en) 2012-08-22
TW201132171A (en) 2011-09-16
US8873523B2 (en) 2014-10-28
CN102577525A (en) 2012-07-11
TWI449449B (en) 2014-08-11
CN102577525B (en) 2015-07-15
GB2474111A (en) 2011-04-06
WO2011041171A1 (en) 2011-04-07
US20110075589A1 (en) 2011-03-31
EP2484155A1 (en) 2012-08-08
JP2013507049A (en) 2013-02-28
KR101481873B1 (en) 2015-01-12
JP5437496B2 (en) 2014-03-12
GB2474111B (en) 2012-05-16

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