(12) United States Patent
`US 9,949,305 B2
`(10) Patent N0.:
`Montemurro et al.
`
`(45) Date of Patent: Apr. 17, 2018
`
`IJS009949305B2
`
`(54)
`
`(75)
`
`METHODS AND APPARATUS FOR
`PEER-TO-PEER COMMUNICATIONS IN A
`WIRELESS LOCAL AREA NETWORK
`
`Inventors: Michael Peter Montemurro, Toronto
`(CA); Brian Edward McColgan,
`Toronto (CA); Stephen McCann,
`Southampton (GB)
`
`(73)
`
`Assignee: BlackBerry Limited, Waterloo, Ontario
`(CA)
`
`(*)
`
`Notice:
`
`Subject to any disclaimer, the term of this
`patent is extended or adjusted under 35
`U.S.C. 154(b) by 28 days.
`
`(21)
`
`Appl. No.: 12/868,550
`
`(22)
`
`Filed:
`
`Aug. 25, 2010
`
`Prior Publication Data
`
`US 2011/0082940 A1
`
`Apr. 7, 2011
`
`Related US. Application Data
`
`Provisional application No. 61/248,328, filed on Oct.
`2, 2009.
`
`(65)
`
`(60)
`
`(51)
`
`Int. Cl.
`
`G06F 15/16
`H04 W 76/02
`H04L 29/08
`H04 W 72/04
`H04L 29/12
`
`US. Cl.
`
`(52)
`
`(2006.01)
`(2009.01)
`(2006.01)
`(2009.01)
`(2006.01)
`(Continued)
`
`CPC ....... H04W 76/023 (2013.01); H04L 61/1541
`(2013.01); H04L 67/104 (2013.01); H04L
`67/1061 (2013.01); H04L 67/1068 (2013.01);
`H04L 69/24 (2013.01); H04W 72/0406
`(2013.01); H04W 8/005 (2013.01)
`
`(58) Field of Classification Search
`CPC
`H04L 69/24; H04L 61/1541; H04L 67/104;
`H04L 67/1061; H04L 67/1068; H04L
`67/ 107; H04W 76/023; H04W 8/005;
`H04W 72/0406
`USPC .......................................................... 709/227
`
`See application file for complete search history.
`
`(56)
`
`References Cited
`U.S. PATENT DOCUMENTS
`
`5,790,553 A *
`6,069,896 A *
`6,108,704 A *
`
`................ 370/466
`8/1998 Deaton et al.
`
`5/2000 Borgstahl et al.
`..
`370/401
`................ 709/227
`8/2000 Hutton et al.
`(Continued)
`
`FOREIGN PATENT DOCUMENTS
`
`CN
`CN
`
`1925444
`101237364
`
`3/2007
`8/2008
`
`(Continued)
`
`OTHER PUBLICATIONS
`
`Wolif, Donna, “What is peer-to-peer77Definiti0n from Whatis.
`com” Aug. 2000, pp. 3 and 4 (http://searchnetw0rking.techtarget.
`com/definition/peer-to-peer)(accessed Mar. 2, 2012).*
`(Continued)
`
`Primary Examiner 7 Daniel C. Murray
`(74) Attorney, Agent, or Firm 7 Fish & Richardson PC.
`
`ABSTRACT
`(57)
`A method and device for peer-to-peer communications is
`provided. The method includes communication of the capa-
`bilities of a device to another device or network component.
`A peer to peer communication is established based on at
`least one of the capabilities of the device. The method may
`also include utilizing a control point or access point in
`conveying the capabilities of the device to another device.
`
`14 Claims, 22 Drawing Sheets
`
`
`
`
`
`
`
`
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`
`APPLE1013
`
`APPLE 1013
`
`1
`
`

`

`US 9,949,305 B2
`
`Page 2
`
`Int. Cl.
`H04L ”/06
`H04W 8/00
`
`(51)
`
`(56)
`
`0006-01)
`(200901)
`.
`References Clted
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`
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`6,513,066 B1*
`1/2003 Hutton et al.
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`6,687,738 B1*
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`..
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`6,943,905 B2*
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`19/5882 Eraversat e: :11.
`,
`,
`raversa e
`.
`7,139,809 B2* 11/2006 Husain et a1.
`..
`7,167,920 B2*
`1/2007 Traversat et al~
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`3/2007 Abdelaziz et a1.
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`
`709/225
`370/338
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`H04L12/5601
`370/389
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`3,3323% 3* $883 ¥I<a<an21nt<attala.1
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`.
`.............
`5/2008 Huseun eta1~ ~
`~ 709/213
`7,370,083 B2*
`
`7370336 132*
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`719/328
`7/2008 Lee ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 709/250
`7398327 B2*
`7,401,152 132*
`7/2008 Traversat et al~
`709/230
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`7,434,220 B2* 10/2008 Huseun otal~ ~~~~~~~~~~~~~~~~ 718/100
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`709/229
`
`7,478,173 B1*
`1/2009 Del-CO ..........
`709/250
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`709/209
`7,533,172 132
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`709/225
`7,571127 131*
`”009 Pabla ~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 709/224
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`$883 gaVerSflt et 3T “Mgr/5410353
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`....... 370/255
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`8,010,778 B2*
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`
`8,768,323 132*
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`.................. 717/109
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`2002/0143855 A1* 10/2002 Traversat et a1.
`............. 709/202
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`709/228
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`709/203
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`709/224
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`709/205
`2003/0070070 A1*
`4/2003 Yeager et a1.
`713/157
`..
`2003/0105812 A1*
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`709/203
`
`2003/0117638 A1*
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`.. 358/113
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`...... 709/219
`2003/0120751 A1*
`6/2003 Husar‘n et a1.
`
`2003/0188010 A1* 10/2003 Raza ................... H04L12/5875
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`2004/0044727 A1*
`3/2004 Abdelaziz et a1.
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`
`2
`
`

`

`US 9,949,305 B2
`
`Page 3
`
`(56)
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`
`* cited by examiner
`
`4
`
`

`

`U.S. Patent
`
`Apr. 17, 2018
`
`Sheet 1 of 22
`
`US 9,949,305 B2
`
`V" L” ‘égafifififigéfi 51-3593" MMMMMMMMMMMMMMMMMMMMMMM
`camaza aaxrscas
`WRELESS
`
`ACCESS; mm {21?}
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` “xx WiFiEEfiéTiTiE$ dial] .Ml
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`5
`
`

`

`U.S. Patent
`
`Apr. 17, 2018
`
`Sheet 2 0f 22
`
`US 9,949,305 B2
`
`200
`
`
`
`NETWORK LAYER
`DATA LINK LAYER
`
`LAYER 3
`LAYER 2
`
` LAYER 1
`
`204
`
`.'.'.'.'.'.‘.'...'.'...m P2P SETUP INFORMATION
`
`PHYSICAL LAYER
`
`COMMUNICATION LAYER ARCHITECTURE
`
`FIG. 2
`
`6
`
`

`

`U.S. Patent
`
`Apr. 17, 2018
`
`Sheet 3 of 22
`
`US 9,949,305 B2
`
`
`
`ACCESS
`
`
`POINT (AP)
`
`104
`
`
`
`306
`TERNMNAL(3APABHIHES
`DATASTRUCTURE
`
`F4C3.3
`
`
`
`F4C3.4
`
`408
`
`204
`
`3023
`
`FWC3.5
`
`7
`
`

`

`U.S. Patent
`
`Apr. 17, 2018
`
`Sheet 4 of 22
`
`US 9,949,305 B2
`
`CONTROL POINT (CP)
`MANAGEMENT DATA
`
`STRUCTURE
` CONTROL
`
`POINT (CP)
`
`
`506
`
`302a
`
`E)
`
`302b
`
`
`302a
`
`
`302a
`
`P2P CONNECTION
`
`
`
`FIG. 8
`
`8
`
`

`

`U.S. Patent
`
`Apr. 17, 2018
`
`Sheet 5 of 22
`
`US 9,949,305 B2
`
`MASTER
`CONTROL
`
`PCNNT
`
`P2PCONNECWON
`“-~‘
`
`
`
`702
`SLAVE
`CONTROL
`POINT
`
`F‘G' 9
`
`704
`cofiééf
`PO'NT
`
`104
`
`‘V
`
`712
`
`302a
`
`502
`
`
`
`\HRTUAL
`
`CONTROL
`
`PCHNT
`
`
`
`
`
`CONNECflON
`
`s
`
`302b
`
`FIC3.'1O
`
`9
`
`

`

`U.S. Patent
`
`Apr. 17, 2018
`
`Sheet 6 of 22
`
`US 9,949,305 B2
`
`104
`
`808
`
`804 \4\
`
`P2P GROUP
`OWNER
`
`(HUB)
`
`MULTI—CONNECTION P2P
`
`10
`
`10
`
`

`

`U.S. Patent
`
`Apr. 17, 2018
`
`Sheet 7 of 22
`
`US 9,949,305 B2
`
`306
`
`\
`
`902
`
`906
`
`TERMINAL CAPABILITIES DATA STRUCTURE
`
`904
`
`SERVICE TYPE: “WLAN PEER COMMUNICATIONS”
`
`PROPERTY TYPE
`
`PROPERTY NAME
`
`ADHOC
`
`Wi-Fi P2P
`
`LINK MECHANISM DLS
`
`.4CU
`
`ET AMP
`
`DHCP
`
`908 NETWORK
`CONFIGURATION
`
`NETMASK
`DEFAULT GATEWAY
`
`D 8Z
`
`910
`
`SERVICES
`
`NA
`
`_|
`
`STREAMING
`
`FILE EXCHANGE
`
`GATEWAY
`
`SHARING
`
`EMERGENCY SERVICE ACCESS
`
`QoS CLASSES
`
`VoIP
`
`NETWORK
`DISCOVERY
`PROTOCOLS
`
`UPnP
`
`BONJOUR
`
`SDP
`
`
`
`IU) ”U
`
`UDDI
`
`"U
`AUTH ENTICATION USERNAM E/PASSWORD
`CIVIC
`
`LOCATION
`
` 912 ALTERNATE
`
`914
`
`916
`
`918
`
`PHONE
`
`HANDHELD
`
`DEVICE TYPE
`
`COMPUTER
`
`PRINTER
`
`HiFi
`
`FIG. 12
`
`11
`
`11
`
`

`

`U.S. Patent
`
`Apr. 17, 2018
`
`Sheet 8 of 22
`
`US 9,949,305 B2
`
`504
`
`K
`
`1002
`
`CONTROL POINT (CP) MANAGEMENT
`DATA STRUCTURE
`
`1004
`
`1006
`
`1008
`
`P2P
`P2P CAPABILITIES/
`TERMINAL STAT'ON CONFIGURATION
`CONNECTION SERVICE
`
`
`
`STA1
`
`STA2
`
`{WiFi P2P; 910...}
`
`{WiFi P2P; 610...}
`
`[SSLAEZT’ED]
`
`[SS-LAISI’ED]
`
`VOIP
`
`VOIP
`
`
`
` STA3 {ADHOC; etc...}
`
`NONE
`
`NONE
`
`
`
`OIP
`
`1M
`
`VO'P
`
`1M
`
`IV
`
`E
`
`STA5, STAB,
`[SPEED],
`STA5
`[SPEED],
`
`STA4, STAB,
`[SPEED],
`
`STA4,
`[SPEED],
`
`[SSLAéégg-AS’
`
`
`{BT; 910...}
`
`FIG. 13
`
`12
`
`STA4
`
`STA5
`
`STAG
`
`
`
`12
`
`

`

`U.S. Patent
`
`Apr. 17, 2018
`
`Sheet 9 of 22
`
`US 9,949,305 B2
`
`302a
`
`302b
`
`
`
`
`
`
`
`1102
`“WLAN P2P” SERVICE DISCOVERY
`
`1102
`
`“WLAN P2P” SERVICE DISCOVERY
`
`ACCESS
`
`POINT (AP)
`
`1106
`
`1104
`
`CONNECT REQUEST (STA=STA2 TYP- ={WiFi P2P} SSID= P2P CHANNEL=X
`SECURI Y=WPS)
`
`1110
`
`CONNECTRESPO SE(OK, WWFipzm)
`
`1112
`
`ASSOCIATION AND WPS NEGOTIATION
`
`
`
`
`
`
`
`I—l
`
`PZPCOMMUNEAWONS
`
`1116
`
`FIG. 14
`
`13
`
`13
`
`

`

`U.S. Patent
`
`Apr. 17, 2018
`
`Sheet 10 0f 22
`
`US 9,949,305 B2
`
`
`
`
`1202
`“WLAN P2P" SERVICE DISCOVERY
`
` CONTROL
`
`POINT (CP)
`
`
`1202
`
`
`“WLAN P2P" SERVICE DISCOVERY
`‘
`
`
`CAPABILITIES (STA1,{WIFI P2P...},
`{BT...},...)
`
`CAPABILITIES (STA2, {ADHOC,,.},
`
`1106
`{DLS.._}, {WiFi P2P,.,})
`
`
`STATION CAPABILITIES ADVERT
`STATION CAPABILITIES ADVERT
`
`
`
`
`' 1208
`
`
`
`
`CONNECT REQUEST (STA = STA2, TYPE {WiFi P2P}, SSID=P2P, CHANNEL=X,
`SECURIT WPS)
`
`CONNECT RESPO E (OK, {WiFi P2P})
`
`FIG. 15
`
`14
`
`14
`
`

`

`U.S. Patent
`
`Apr. 17, 2018
`
`Sheet 11 0f 22
`
`US 9,949,305 B2
`
`3028
`
`CONTROL
`
`POINT (OF)
`
`ONGOING P2P COMMUNICATIONS BETWEEN STA1 AND STA2
`
`CAPABILITIES
`CHANGE
`1304
`
`"/
`
`NOTIFY CAPABILITIES CHANGE (STA1,
`OP_REMOVE, (WiFi-VoIP-SID})
`
`REVISED P2P COMMUNICATIONS BETWEEN STA1 AND STAZ
`
`PROXY CAPABILITIES (STA1,
`{WiFi P2P; etc...»
`
`1308
`
`CAPABILITIES (STAZ, {WiFi P2P; etc...})
`
`PROCESS/MEDIATE
`CAPABILITIES
`CHANGE
`
`1312
`
`\> ’
`
`CONNECT REQUEST (STA1,
`{WiFi P2P; etc...})
`
`1314
`
`CONNECT RESPONSE (OK, {WiFi P2P})
`
`FIG. 16
`
`15
`
`15
`
`

`

`U.S. Patent
`
`Apr. 17, 2018
`
`Sheet 12 of 22
`
`US 9,949,305 B2
`
`<’?xml ver5i0n="1,0" encoding="UTF-8" ?>
`- <5chema xmlns2"http:l/www.w3.orgl2001IXMLSchema"
`targetNamespace=“urn:wifi:xml:ns:w|an:p2pcomms"
`xmlns:p2p=”urn:wifi:xml:ns:wlan:p2p-comms"
`xmins:x1ink="http:l/www.w3.orgl1999/xlink">
`<import namespace:"http://www.w3.orgl1999lx|ink" schemaLocation="xlink.xsd" />
`- <eiement name="serviceType">
`- <complexType>
`- <sequence>
`<element ref="p2p:IinkMechanism" l>
`<element ref="p2p:netConfig" />
`<element ref=“p2p:seviceList" />
`<elemem refz"p2pzAltemateDiscoveryProtocols" />
`</sequence>
`</comp|exType>
`</element>
`- <element name="linkMechanism">
`- <c0mplexType>
`- <sequence>
`<element maxOccurs="unbounded" ref=“p2p:adHocLink" />
`<lsequence>
`</comp§exType>
`</element>
`- <element name="adHocLink">
`- <c0mplexType>
`<attribule name="linlePrefix” use=”required" type="NCName" />
`<attribute name="linkType" />
`</comp|exType>
`</element>
`- <element name="netConfig">
`- <complexType>
`- <sequence>
`
`<element name="dns" type="NMTOKEN" />
`
`<element ref="p2p:dhcp" />
`<element ref="p2p:netmask“ />
`<element ref="p2psdefault6areway" />
`<elemem ref="p2p:dns" />
`<element ref="p2p:nat" />
`</sequence>
`</comptexType>
`</elemem>
`~ <element name="dhcp">
`- <c0mplexType>
`v <simpte00ntent>
`- <extension base="NMTOKEN">
`<attribute name="enabled" use="required" lype="boolean" />
`</extension>
`<lsimpleContent>
`<lcompiexType>
`<Ie1ement>
`<element name="netmask" type="NMTOKEN" />
`<eIement name="defaultGateway" type="NMTOKEN" />
`
`FIG. 17A
`
`16
`
`16
`
`

`

`U.S. Patent
`
`Apr. 17, 2018
`
`Sheet 13 of 22
`
`US 9,949,305 B2
`
`- <element name="nat">
`- <c0mplexType>
`~ <sequence>
`
`<elemem ref:"p2p:nat|nside" />
`<element ref="p2p:nat0ut5ide" />
`</sequence>
`</complexType>
`</eiement>
`~ «element name="natlnside">
`- <compleXType>
`- <simpleContent>
`- <extension base=”NMTOKEN”>
`<altribute name="type" use="required" type="NCName" />
`<lextension>
`</simpleContenl>
`</complexType>
`</e!ement>
`~ <element name="nat0utside”>
`- <complexType>
`- <simpleContent>
`- <extension base="NMTOKEN">
`<auribute name=“type" use:"required" type="NCName" />
`<Iextension>
`</simoleContent>
`<lcomplexType>
`</elemenl>
`— <element name:"seviceList">
`- <complexType>
`. <Sequence>
`
`<element maxOccurs="unbounded“ ref="p2p:service" l>
`</sequem:e>
`</complexType>
`</e}ement>
`- <element name="service“>
`- <complexType>
`- <sequence>
`
`
`
`<element ref="p2pzschescription“ />
`<eiemem minOccurs="0" refz"p2p:schiscoveryProtocoiTypes" />
`</sequence>
`<attribute name="cos" use="required" type="NMTOKEN" />
`<atlribute name="id" use="required" type="NCName" />
`<attr'tbute name=“vendor“ />
`<attribute name="version" use="required" type=”decimal" />
`</complexType>
`</element>
`<element name="schescription" type="string" />
`~ <element name="svcDiscoveryProlocolTypes">
`- <complexType>
`, <sequence>
`
`<elemem ref="p2p:sdeype" />
`</sequence>
`</complexType>
`<lelement>
`- <element name="sdeype">
`- <c0mplexType>
`<attribute name:"addrType” use:"required“ type="NCName" />
`<attribute name="id“ use="required" type="NCName“ l>
`<attribute name="multicastAddr" use="required" type="NMTOKEN“ />
`</compiexType>
`</e|ement>
`
`FIG. 17B
`
`17
`
`17
`
`

`

`U.S. Patent
`
`Apr. 17, 2018
`
`Sheet 14 of 22
`
`US 9,949,305 B2
`
`- <element name="AlternateDiscoveryProtocols">
`- <complexType>
`- <sequence>
`
`<element ref="p2p:UPnP" />
`<element ref="p2p:Bonjour" />
`<lsequence>
`</complexType>
`</e|ement>
`- <element name="UPnP">
`~ <complexType>
`— <complexContent>
`- <exten3ion base=“p2p:schapper">
`«attribute ref="xlink:actuate" u5e="required" />
`<attribute ref="xlink:href" use="required" />
`<attribute ref="xlink:type" use="required" />
`</extension>
`</complexContent>
`</complexType>
`(lelemenb
`- <element namez"Bonjour">
`~ <compiexType>
`~ <complexContent>
`- «extension base:"p2p:5chapper">
`<attrlbute ref="xlink:actuate" use="required" />
`<attribute ref=“xlink:href" use:"required" />
`<attribute ref="xlink:type" use="required" />
`</extension>
`<lcomptexC0ntenl>
`</complexType>
`</element>
`- <comp1exType name=“schapper“>
`- <sequence>
`<element ref="p2p:schapper" />
`<lsequence>
`</complexType>
`— <element name="schapper">
`— <complexType>
`- <5equence>
`
`</schema>
`
`<element maxOccurs=“unbounded" ref="p2p:schapEntry" />
`<lsequence>
`<lcomplexType>
`</element>
`- <element name="schapEntry">
`- <c0mplexType>
`<altribute name="contains" />
`<attribute name="refld" use="required" type="NCName" />
`</c0mplexType>
`</element>
`
`FIG. 17C
`
`18
`
`18
`
`

`

`U.S. Patent
`
`Apr. 17, 2018
`
`Sheet 15 of 22
`
`US 9,949,305 B2
`
`
`
`
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`U S. Patent
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`1
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`US 9,949,305 B2
`
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`

`

`U.S. Patent
`
`Apr. 17, 2018
`
`Sheet 17 of 22
`
`US 9,949,305 B2
`
`1604
`
`1606
`
`1608
`
`TERMINAL
`MESSAGE
`GENERATOR
`
`TERMINAL
`DATA
`PARSER
`
`SELECTOR
`
`CAPABHIHES
`
`1632
`
`1630
`
`1628
`
`1626
`
`1624
`
`BATTERY
`INTERFACE
`
`BATTERY
`
`USERINPUT
`INTERFACE
`
`DISPLAY
`
`MEROPHONE
`
`\I
`
`302a
`
`1622 SPEAKER
`
`1610
`
`1612
`
`1614
`
`1616
`
`1618
`
`FLASH
`MEMORY
`
`RAM
`
`EXPANDABLE
`MEMORY
`INTERFACE
`
`SECURHY
`HARDWARE
`INTERFACE
`
`EXTERNAL
`DATAVO
`
`WIRELESS
`COMMUNEAWON
`SUBSYSTEM
`
`
`
`1520
`
`PROCESSOR
`
`1602
`
`WIRELESS TERMINAL
`
`FIG. 19
`
`21
`
`21
`
`

`

`U.S. Patent
`
`Apr. 17, 2018
`
`Sheet 18 of 22
`
`US 9,949,305 B2
`
`1702
`
`1704
`
`
`
`INTERFACE
`
`1708
`
`CONTROL POINT
`
`
`CONTROL POINT
`DATA PARSER
`
`
`MESSAGE
`GENERATOR
`
`
` COMMUNICATIONINTERFACE DATA STORE
`
`1706
`
`
`
`
`
`1710
`
`CAPABILITIES
`IDENTIFIER
`
`/
`
`502
`
`CONTROL POINT
`
`FIG. 20
`
`22
`
`22
`
`

`

`U.S. Patent
`
`Apr. 17, 2018
`
`Sheet 19 of 22
`
`US 9,949,305 B2
`
`(STA1 PROCESS) 1802—\
`
`START
`
`,— 1804 (STA2
`{
`PROCESS)
`
`1806
`
`GENERATE P2P
`
`CAPABILITIES MESSAGE
`
`/
`
`RECEIVE P2P
`CAPABILITIES RESPONSE
`MESSAGE VIA AP
`
`COMMON P2P
`CAPABILITIES
`SUPPORTED?
`
`GENERATE P2P
`CAPABILITIES RESPONSE
`MSG
`
`COMMUNICATE P2P
`CAPABILITIES RESPONSE
`MSG
`
`
`
`
`
`VIA AP
`
` CONTINUE
`
`SEARCHING
`FOR OTHER
`COMPATIBLE P2P
`
`
`
`GENERATE CONNECT
`REQUEST MESSAGE WITH
`SELECTED PARAMETERS
`
`TERMINALS?
`
`RECEIVE CONNECT
`REQUEST MESSAGE
`
`FIG. 21A
`
`
`
`23
`
`23
`
`

`

`U.S. Patent
`
`Apr. 17, 2018
`
`Sheet 20 of 22
`
`US 9,949,305 B2
`
`(STA2 PROCESS) 1802— \
`
`/— 1804 (STA1 PROCESS)
`
`'
`
`
`RECEIVE CONNECT
`
`
`RESPONSE MESSAGE
`
`
`VIA AP
`
`MESSAGE
`
`COMMUNICATE
`CONNECT RESPONSE
`
`
`CONFIGURE DIRECT
`
`
`
`P2P COMMUNICATIONS
`WITH STA2
`
`
`COMMUNICATE
`
`
`RECEIVE PROPOSED
`
`PROPOSED P2P
`P2P ASSOCIATION AND
`
`