fry'
US 20120166671A1
(19) United States (12) Patent Application Publication (10) Pub. N0.: US 2012/0166671 A1 Qi et al. (54)
(43) Pub. Date:
Jun. 28, 2012
PROVIDING REGULATORY INFORMATION TO A GROUP OWNER FOR CHANNEL SELECTION IN A WIRELESS PEER-TO-PEER
(51)
Publication Classi?cation Int Cl G06F 15/16 (200601)
NETWORK
(52)
us. Cl. ....................................... .. 709/236; 709/230
(57)
(76) Inventors:
Emily H. Qi, Portland, OR (US); Oren Kaidar, Hillsboro, OR (U S); Fabrice Labourasse,
Sophia-Antipolis (FR); Wilfrid
(21) App1.No.:
ABSTRACT
In a Wireless peer-to-peer (P2P) network or group, regulatory information may be provided from a P2P client device to a P2P group oWner device for use in selection of an operating
class and/or operating channel for the P2P group. The regu
D’angelo, Mougins (FR)
latory information may be obtained by the P2P client device, for example, by concurrently connecting to a Wireless local area network (WLAN) infrastructure. The regulatory infor
12/977,329
mation may be formatted as a P2P action frame and may
include regulatory domain information and/or supported
(22) Filed:
channel information such as operating class and channel number.
Dec. 23, 2010
120
fry’ 1
Regulatory
,
P2P Group Owner
Regulatory Information
Patent Application Publication
Jun. 28, 2012 Sheet 1 0f 3
?v/ P2P Client
m
P2P Group Owner
P2P Client
Regulatory Information
FIG. 1
US 2012/0166671 A1
Patent Application Publication
Jun. 28, 2012 Sheet 2 0f 3
US 2012/0166671 A1
Receive regulatory
210-k
Obtain regulatory
220
information transmitted
information by P2P client
from a P2P client device
device
to a P2P group owner
device
212
k
214
Format regulatory information within P2P client device for
222
Determine if P2P group owner device is capable x of operating on a new
transmission to P2P
supported operating
group owner device
channel
Transmit formatted
Transmit a notification to the P2P client device of a channel selection decision
'\ regulatory information from P2P client device to P2P group owner device
FIG. 2A
224/
FIG. 2B
Patent Application Publication
Jun. 28, 2012 Sheet 3 0f 3
US 2012/0166671 A1
112
P2P Group Owner
P2P Client 310
S
Beacon (at current channel)
D
312
8
4
Probe Request
314
8
Probe Response
D
316
(19) United States (12) Patent Application Publication (10) Pub. N0.: US 2012/0166671 A1 Qi et al. (54)
(43) Pub. Date:
Jun. 28, 2012
PROVIDING REGULATORY INFORMATION TO A GROUP OWNER FOR CHANNEL SELECTION IN A WIRELESS PEER-TO-PEER
(51)
Publication Classi?cation Int Cl G06F 15/16 (200601)
NETWORK
(52)
us. Cl. ....................................... .. 709/236; 709/230
(57)
(76) Inventors:
Emily H. Qi, Portland, OR (US); Oren Kaidar, Hillsboro, OR (U S); Fabrice Labourasse,
Sophia-Antipolis (FR); Wilfrid
(21) App1.No.:
ABSTRACT
In a Wireless peer-to-peer (P2P) network or group, regulatory information may be provided from a P2P client device to a P2P group oWner device for use in selection of an operating
class and/or operating channel for the P2P group. The regu
D’angelo, Mougins (FR)
latory information may be obtained by the P2P client device, for example, by concurrently connecting to a Wireless local area network (WLAN) infrastructure. The regulatory infor
12/977,329
mation may be formatted as a P2P action frame and may
include regulatory domain information and/or supported
(22) Filed:
channel information such as operating class and channel number.
Dec. 23, 2010
120
fry’ 1
Regulatory
,
P2P Group Owner
Regulatory Information
Patent Application Publication
Jun. 28, 2012 Sheet 1 0f 3
?v/ P2P Client
m
P2P Group Owner
P2P Client
Regulatory Information
FIG. 1
US 2012/0166671 A1
Patent Application Publication
Jun. 28, 2012 Sheet 2 0f 3
US 2012/0166671 A1
Receive regulatory
210-k
Obtain regulatory
220
information transmitted
information by P2P client
from a P2P client device
device
to a P2P group owner
device
212
k
214
Format regulatory information within P2P client device for
222
Determine if P2P group owner device is capable x of operating on a new
transmission to P2P
supported operating
group owner device
channel
Transmit formatted
Transmit a notification to the P2P client device of a channel selection decision
'\ regulatory information from P2P client device to P2P group owner device
FIG. 2A
224/
FIG. 2B
Patent Application Publication
Jun. 28, 2012 Sheet 3 0f 3
US 2012/0166671 A1
112
P2P Group Owner
P2P Client 310
S
Beacon (at current channel)
D
312
8
4
Probe Request
314
8
Probe Response
D
316
