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Used with the permission of the Wi-Fi Alliance under the terms set forth above.

Wi-Fi Alliance Technical Committee 4

P2P Task Group 5

Wi-Fi Peer-to-Peer (P2P) Technical 7

Specification 8

Version 1.2 10

WI-FI ALLIANCE PROPRIETARY – SUBJECT TO CHANGE WITHOUT NOTICE 15

The Wi-Fi Alliance owns the copyright in this document and reserves all rights therein. 16

This document and any related materials may only be used by Wi-Fi Alliance members for 17

their internal use, such as quality assurance and pre-certification activities, and for their 18

participation in approved Wi-Fi Alliance activities, such as the Wi-Fi Alliance certification 19

program, unless otherwise permitted by the Wi-Fi Alliance through prior written consent. 20

A user of this document may duplicate and distribute copies of the document in connection 21

with the authorized uses described above, provided any duplication in whole or in part 22

includes the copyright notice and the disclaimer text set forth herein. Unless prior written 23

permission has been received from the Wi-Fi Alliance, any other use of this document and 24

all other duplication and distribution of this document are prohibited. Unauthorized use, 25

duplication, or distribution is an infringement of the Wi-Fi Alliance’s copyright. 26

Wi-Fi Peer-to-Peer (P2P) Technical Specification v1.2

Used with the permission of the Wi-Fi Alliance under the terms as stated in this document.

Page 3 of 159

Contents 1

1 Introduction ............................................................................................................ 14 2

1.1 Overview .................................................................................................. 14 3

1.2 Scope....................................................................................................... 14 4

1.3 References .............................................................................................. 14 5

1.4 Definitions ................................................................................................ 15 6

1.5 Abbreviations and acronyms .................................................................... 17 7

2 Architectural overview ............................................................................................ 19 8

2.1 P2P components ..................................................................................... 19 9

2.2 P2P topology ........................................................................................... 19 10

2.3 Concurrent operation ............................................................................... 20 11

2.4 Functions and services ............................................................................ 21 12

2.4.1 Basic functions and services .................................................................... 21 13

2.4.2 P2P specific functions and services ......................................................... 21 14

2.4.3 P2P Device addressing............................................................................ 22 15

3 Functional description and procedures .................................................................. 24 16

3.1 P2P discovery .......................................................................................... 24 17

3.1.1 Introduction .............................................................................................. 24 18

3.1.2 Device Discovery procedures .................................................................. 24 19

3.1.2.1 Basic mechanisms of Device Discovery ..................................... 24 20

3.1.2.1.1 Listen State ................................................................. 25

3.1.2.1.2 Scan Phase ................................................................. 26

3.1.2.1.3 Find Phase .................................................................. 26 23

3.1.2.2 P2P Device discovering a P2P Device that is in a P2P Group ... 28 24

3.1.2.3 Two P2P Devices in discovery ................................................... 29 25

3.1.2.4 Device Discovery procedures for a P2P Group Owner .............. 30 26

3.1.2.5 P2P Group Owner enabling discovery for a Legacy Client ......... 30 27

3.1.2.6 P2P Device discovering a P2P Device associated with an 28

infrastructure AP ...................................................................................... 30 29

3.1.3 Service Discovery procedures ................................................................. 31 30

3.1.3.1 Service Discovery Query ............................................................ 31 31

3.1.3.2 Service Discovery Response ...................................................... 32 32

3.1.4 Group Formation procedure ..................................................................... 36 33

3.1.4.1 General procedures .................................................................... 36 34

3.1.4.2 Group Owner Negotiation ........................................................... 38 35

Wi-Fi Peer-to-Peer (P2P) Technical Specification v1.2

Used with the permission of the Wi-Fi Alliance under the terms as stated in this document.

Page 4 of 159

3.1.4.2.1 GO Negotiation Request ............................................. 39 1

3.1.4.2.2 GO Negotiation Response ........................................... 40 2

3.1.4.2.3 GO Negotiation Confirmation ...................................... 42 3

3.1.4.3 Provisioning ................................................................................ 43 4

3.1.5 P2P Invitation procedure .......................................................................... 44 5

3.1.5.1 P2P Invitation Request ............................................................... 45 6

3.1.5.2 P2P Invitation Response ............................................................ 46 7

3.1.5.3 Use of the Invitation Procedure to invoke a Persistent P2P Group.8

47 9

3.2 P2P Group operation ............................................................................... 48 10

3.2.1 P2P Group ID .......................................................................................... 48 11

3.2.2 Starting and maintaining a P2P Group session ....................................... 49 12

3.2.3 Connecting to a P2P Group ..................................................................... 51 13

3.2.4 P2P Group Owner services for P2P Client discovery .............................. 52 14

3.2.5 Persistent Group operation ...................................................................... 53 15

3.2.6

Communication in a P2P Group .............................................................. 54 16

3.2.7

Disconnecting from a P2P Group ............................................................ 56 17

3.2.8 Disconnecting a P2P Client ..................................................................... 56 18

3.2.9 Ending a P2P Group session ................................................................... 56 19

3.3 P2P Power Management ......................................................................... 57 20

3.3.1

Introduction .............................................................................................. 57 21

3.3.2

Power Management and discovery .......................................................... 57 22

3.3.3 Power Management at a P2P Group Owner ............................................ 58 23

3.3.3.1 P2P Group Owner Opportunistic Power Save procedure ........... 58 24

3.3.3.2 P2P Group Owner Notice of Absence procedure ....................... 59 25

3.3.3.3

P2P Group Owner Power Save delivery..................................... 64 26

3.3.3.4

P2P Group Owner support for Legacy Clients ............................ 65 27

3.3.4 Power Management at a P2P Client ........................................................ 65 28

3.3.4.1 P2P Client operation with P2P Group Owner Power Management29

65 30

3.3.4.2 Procedures for P2P Power Save at a P2P Client ....................... 65 31

3.3.4.3 Procedures for P2P WMM-PS at a P2P Client ........................... 66 32

3.3.4.4 Signaling of Client service requirements .................................... 67 33

3.4 Managed P2P Device operations ............................................................ 69 34

3.4.1 Managed P2P Device capability .............................................................. 69 35

3.4.2 P2P Coexistence Parameters operations ................................................ 70 36

3.4.3 WLAN Deauthentication/Disassociation................................................... 72 37

Wi-Fi Peer-to-Peer (P2P) Technical Specification v1.2

Used with the permission of the Wi-Fi Alliance under the terms as stated in this document.

Page 5 of 159

3.4.4 Managed P2P Device Summary .............................................................. 73 1

4 Frame formats ........................................................................................................ 75 2

4.1 P2P Information Element ......................................................................... 75 3

4.1.1 P2P IE format .......................................................................................... 75 4

4.1.2 Status attribute ......................................................................................... 77 5

4.1.3 Minor Reason Code attribute ................................................................... 79 6

4.1.4 P2P Capability attribute ........................................................................... 80 7

4.1.5 P2P Device ID attribute............................................................................ 82 8

4.1.6 Group Owner Intent attribute ................................................................... 82 9

4.1.7 Configuration Timeout attribute ................................................................ 83 10

4.1.8 Listen Channel attribute ........................................................................... 84 11

4.1.9 P2P Group BSSID attribute ..................................................................... 84 12

4.1.10 Extended Listen Timing attribute ............................................................. 85 13

4.1.11 Intended P2P Interface Address attribute ................................................ 86 14

4.1.12 P2P Manageability attribute ..................................................................... 86 15

4.1.13

Channel List attribute ............................................................................... 87 16

4.1.14

Notice of Absence attribute ...................................................................... 88 17

4.1.15 P2P Device Info attribute ......................................................................... 90 18

4.1.16 P2P Group Info attribute .......................................................................... 92 19

4.1.17 P2P Group ID attribute............................................................................. 93 20

4.1.18

P2P Interface attribute ............................................................................. 94 21

4.1.19

Operating Channel attribute ..................................................................... 94 22

4.1.20 Invitation Flags attribute ........................................................................... 95 23

4.2 Management Frames ............................................................................... 96 24

4.2.1 Beacon frame format ............................................................................... 96 25

4.2.2 Probe Request frame format .................................................................... 96 26

4.2.3 Probe Response frame format ................................................................. 98 27

4.2.4 Association/Reassociation Request frame format ................................... 98 28

4.2.5 Association/Reassociation Response frame format ................................. 99 29

4.2.6 Deauthentication frame format ............................................................... 100 30

4.2.7 Disassociation frame format .................................................................. 100 31

4.2.8 P2P public action frames ....................................................................... 100 32

4.2.8.1 General format ......................................................................... 100 33

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