1. STA Location for emergency call support in SSPN interface
Month Year
doc.: IEEE yy/xxxxr0
November 2006
STA Location for emergency call support in SSPN interface
Date:
Authors:
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Donghee Shim et al, LG Electronics, Inc.
John Doe, Some Company

2. Month Year
doc.: IEEE yy/xxxxr0
November 2006
Abstract
The STA shall include the location information in the request to establish an emergency session in IMS emergency call
Initial location information can be determined from the MAC address of AP and put into the emergency call request
This proposal describes an idea which facilitates the interaction between DSS and SSPN through SSPN interface to be able to support emergency call feature in WLAN.
No change on currently defined architectures and frames for location services support is required.
At the end of the presentation, there will be a motion to determine next steps.
Donghee Shim et al, LG Electronics, Inc.
John Doe, Some Company

3. Location Information for IMS Emergency sessions
Month Year
doc.: IEEE yy/xxxxr0
November 2006
Location Information for IMS Emergency sessions
Location information is needed for 2 main reasons in IMS emergency services.
The initial purpose of the location information is to enable the network to determine which PSAP serves the area where the terminal is currently located, so that the network can route the emergency session to the correct PSAP.
The second purpose is for the PSAP to get more accurate or updated location information for the terminal during or after the emergency session.
If the terminal has location information available, the terminal shall include the location information in the request to establish an emergency session. The location information may consist of network location information, that is the Location Identifier, and/or the Geographical location information.
Donghee Shim et al, LG Electronics, Inc.
John Doe, Some Company

4. Location Information in WLAN
November 2006
Location Information in WLAN
802.11k or v location information capability is enabled on AP if AP is located in a regulatory domain that requires this.
In v location proposal, AP delivers the location of a STA to a STA or, STA calculates its location based on time of arrival.
In k location proposal defined a mechanism for carrying location information (per RFC3825) from one STA/AP to another STA/AP
802.11v has defined the positioning mechanism to locate the STA
Donghee Shim et al, LG Electronics, Inc.

5. Location Information in WLAN for IMS Emergency sessions
November 2006
Location Information in WLAN for IMS Emergency sessions
The location of AP would be enough as the initial location information for IMS emergency call
Assuming that AP does not have its location previously, only available location information to be used as the initial location information for IMS emergency call would be MAC address of AP
However, until now, MAC address of AP has not been considered a kind of location information
If AP provides the its MAC address to SSPN, then SSPN can provide the geographical location to AP after looking up the mapping table (a data base of the locations of APs are available) and SSPN can control and update the database if needed
This location can be transferred to the STA, then the STA can initiate the emergency call request with an initial location information
Donghee Shim et al, LG Electronics, Inc.

6. Location support in AAA and SSPN interface
November 2006
Location support in AAA and SSPN interface
AAA entity
SSPN
MAC address
AAA
Interface
X, Y, Z
AAA Agent
MAC address
X, Y, Z
SSPN
Interface AP
STA
Donghee Shim et al, LG Electronics, Inc.

7. Current STA Location Information support in SSPN Interface
Month Year
doc.: IEEE yy/xxxxr0
November 2006
Current STA Location Information support in SSPN Interface
Current SSPN Interface information elements does not support STA location information from SSPN to AN
Current SSPN Interface information elements
Information element Name
From IEEE AN to SSPN
From SSPN to IEEE AN
Per STA Entry
Non-AP STA MAC Y
N.A.
User Identity
Authorized priority
Authorized Max. Bandwidth
Non-AP STA Interworking Capability
AP Interworking Capability N
Authorized Service Access Type
(This is per user authorized service level)
Supported Service Type (WAPN?)
Interworking Reason Code
ResultCode (ADDTS.confirm/response)
Admission control
STA Location Information
STA state Information
Link Layer Encryption Method
Successfully transmitted data Count
Donghee Shim et al, LG Electronics, Inc.
John Doe, Some Company

8. November 2006
Proposal
STA location information support from SSPN to AN in SSPN Interface information elements is proposed
Information element Name
From IEEE AN to SSPN
From SSPN to IEEE AN
Per STA Entry
Non-AP STA MAC Y
N.A.
User Identity
Authorized priority
Authorized Max. Bandwidth
Non-AP STA Interworking Capability
AP Interworking Capability N
Authorized Service Access Type
(This is per user authorized service level)
Supported Service Type (WAPN?)
Interworking Reason Code
ResultCode (ADDTS.confirm/response)
Admission control
STA Location Information
STA state Information
Link Layer Encryption Method
Successfully transmitted data Count
Donghee Shim et al, LG Electronics, Inc.

9. Feedback? November 2006 Month Year doc.: IEEE 802.11-yy/xxxxr0
Donghee Shim et al, LG Electronics, Inc.
John Doe, Some Company

10. November 2006
Motion
Move to have authors draft normative text for potential inclusion into TGu draft
Moved:
Seconded:
Donghee Shim et al, LG Electronics, Inc.