© 2012 QUALCOMM Incorporated. All rights reserved. 1 Discussion of Indoor Location Standards Kirk Burroughs Sr. Director of Technology, QCES Qualcomm,

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© 2012 QUALCOMM Incorporated. All rights reserved. 1 Discussion of Indoor Location Standards Kirk Burroughs Sr. Director of Technology, QCES Qualcomm, Santa Clara, CA

© 2012 QUALCOMM Incorporated. All rights reserved. 2 Blah, blah, blah Summary of Standards Activities (1/2) 3GPP / 3GPP2 OMA IETF IEEE LTE OTDOA rolling out soon (AFLT been in place for ~10 years) Compass Standardization will hopefully start soon Femtocell solutions generally lack explicit location support Ramp up of WLAN related work (e.g. data offloading) that is also generally not concerned about location impacts SUPL 1.0 and 2.0 User Plane versions of 3GPP/3GPP2 Standards SUPL 3.0 and LPPe 1.0 just published and includes indoor positioning related requirements Work on LPPe v1.1 started recently and will add broadcast capabilities to LPPe v Allows for location related information to be transmitted at the WLAN layer u Enables Service Discovery Working on spec for passing WLAN information (802.11v based) Civic Address extensions for indoor locals Relative Location with reference to a map document

© 2012 QUALCOMM Incorporated. All rights reserved. 3 Blah, blah, blah Summary of Standards Activities (2/2) FCC TTA Worldwide Web Consortium (W3C) Open Geospatial Consortium (OGC) CSRIC WG3 is working on three reports: Outdoor location accuracy testing Indoor location accuracy testing Leveraging commercial location based services (e.g., WLAN positioning) for E911 Several activities ongoing related to WLAN based indoor location RTT ranging – client / server signaling, RSSI between APs Wi-Fi AP DB Data Sharing Interface Indooor GML SWG just formed which is working on a standard for representing navigation routes, etc Geo-location API has achieved widespread browser implementation Published a first draft of a technical specification for the representation of "Points of Interest" information on the Web Device Orientation specification in Last Call stage and an implementation exists in Android Ice Cream Sandwich Femto Forum Published White Paper on “Femtocell Synchronization and Location” Develops “Rich Location API”

© 2012 QUALCOMM Incorporated. All rights reserved. 4  OMA introduced support for indoor navigation in its recent Enablers Secure User Plane Location (SUPL 3.0) and LTE Positioning Protocol Extensions (LPPe 1.0)  The goal of SUPL 3.0 and LPPe 1.0 are to improve the user experience through better service and new features, specifically including, improved Indoor Location Accuracy  Addresses the special requirements arising from indoor location issues  An example of such is the support for floor level information as well as the use of relative instead of global coordinates  The building blocks for indoor navigation support in OMA are:  Decentralized Location Server (D-SLP: Discovered SUPL Location Platform) for Assistance Data Delivery and Position Calculation.  Positioning Protocol supporting indoor navigation relevant assistance data (map information, AP information, etc.).  D-SLP is part of SUPL 3.0 and the positioning protocol supporting indoor navigation is LPPe 1.0. Open Mobile Alliance (OMA) – SUPL and LPPe

© 2012 QUALCOMM Incorporated. All rights reserved. 5 OMA SUPL Network Architecture for Indoor Positioning It is assumed that the H-SLP cannot provide adequate support for Indoor Positioning and therefore public venues (malls, hospitals, train stations, etc.) may choose to provide their own Indoor Positioning Location Server (D-SLP). The SET discovers a local SLP (D-SLP) which is able to provide Indoor Positioning service within a defined service area (e.g. a shopping mall). The SET requests authorization for accessing the D-SLP from its H-SLP. The H-SLP authorizes access within a defined service area, access network, and time window. While the SET is within the service area, time window and the authorized access network of the D-SLP, it may access the D-SLP and obtain Indoor Positioning Services. The Signaling between D-SLP and H-SLP uses OMA SUPL ULP. Indoor Positioning signaling is carried within OMA SUPL ULP message containers in OMA LPPe messages. The D-SLP discovery mechanism is out of scope of SUPL. SET: SUPL Enabled Terminal H-SLP: Home SUPL Location Platform D-SLP: Discovered SUPL Location Platform

© 2012 QUALCOMM Incorporated. All rights reserved. 6  Wireless Network Management (WNM) standard for the IEEE family of standards  Enables management of stations in a centralized or in a distributed fashion (e.g. monitoring, configuring, and updating) through a layer 2 mechanism  The WNM services include (among others) Location Services:  Request/Response paradigm  Location Configuration Request and Response frames enable STA’s to configure a collection of location related parameters for Location Track Notification frames  The AP can indicate that it can provide location data to support applications such as emergency services  Location Services also provide the ability for STAs to exchange location information using Radio Measurement Request and Response frames  The protocol supports exchange-by-value and exchange-by-reference mechanisms  The location value can be exchanged in Geospatial and Civic formats IEEE v

© 2012 QUALCOMM Incorporated. All rights reserved. 7  v supports basic location measurements for  Cell-ID (AP Location)  Signal Strength  Time-Based Methods (i.e. T(D)OA)  Components in v to support Location Services  Radio Measurement Request/Response frames (extended from k)  Types: »Local: “Where am I?” »Remote: “Where are You?” »3 rd Party: “Where is He/She?”  Location Value: Geodetic, civic (reference point with relative location and map image), or location reference (URI)  Location Configuration Request/Response frames  Provides the ability to configures a STA for (subsequently) sending Location Track Notification frames for the purpose of tracking the receiving STA’s location  Upon successful configuration, the receiving STA starts transmitting Location Track Notification frames based on the Location Configuration Request frame parameters  Location Track Notification frame  Reports various radio/location related parameters »Transmit Power, Antenna Gain, Received Signal to Noise Indicator (RSNI), Received Channel Power Indicator (RSCPI), Velocity, Time of Departure (TOD), Beacon Measurement Report IEEE v

© 2012 QUALCOMM Incorporated. All rights reserved. 8 G EOGRAPHIC L OCATION /P RIVACY (GEOPRIV) W ORKING G ROUP  Handles protocols and standards for location determination, provisioning, and disclosure.  For determination, the specifications provide information to be used to determine location, but in general don’t describe how the information is used to do so.  Originally limited to location distribution but expanded to include assistance data and client-side measurements for server-based location determination, as well as other extensions.  Also working on relative location (used for indoor location), civic address extensions, and various other issues.  Does not develop location-determining technology; however, develops protocols/extensions to represent and transmit data used to determination location RFC R EVISED C IVIC L OCATION F ORMAT FOR P RESENCE I NFORMATION D ATA F ORMAT L OCATION O BJECT (PIDF-LO)  Defines XML format for representation of civic location »Updates the civic location format in RFC 4119 to include in-building information (apartment, room, seat (desk, cubicle, workstation))  RFC4119 provides a way to specify an addressable civic location, naming the country, region, city, street name, etc.  Format to be supported in SUPL 3.0 Internet Engineering Task Force (IETF) – GEOPRIV (1/2)

© 2012 QUALCOMM Incorporated. All rights reserved. 9  [draft-rosen-geopriv-pidf-interior-01] Interior Location in the Presence Information Data Format – Location Object  Related to RFC 5139, and defines explicit tags for interior building location such as "BLD" (building), "UNIT", "ROOM“  An example of where the RFC 5139 BLD/FLR/UNIT/ROOM doesn't work is an airport. Interior location may be given as Terminal 2, Concourse A, Gate 27  draft-ietf-geopriv-held-measurements-01 - Using Device-provided Location- Related Measurements in Location Configuration Protocols  Allows device and server to exchange data useful for location determination, e.g., device measurements, GNSS assistance  Defines request/provide location-related measurement data to a Location Information Server (LIS)  Includes (among others) WLAN measurements (similar to SUPL 2.0 ULP): »location of the access point, flight time, transmit power, rcpi (received channel power indicator), rsni (received signal to noise indicator) »Updates to WiFi measurement structure (based on v)  [draft-ietf-geopriv-relative-location-00] Relative Location Representation  Extends PIDF-LO for the expression of location information that is defined relative to a reference point (which is expressed with a civic or geodetic representation)  Offset is expressed in meters and a directional vector  Can include an URI to a document that can contain a map/floorplan/illustration ('map') upon which the relative location can be plotted »Maps can be simple images, vector files, 2-D or 3-D geospatial databases, or any other form of representation understood by both the sender and recipient Internet Engineering Task Force (IETF) – GEOPRIV (2/2)

© 2012 QUALCOMM Incorporated. All rights reserved. 10  3GPP/3GPP2 have addressed satellite and terrestrial positioning of the mobile user but without the stated goals for indoor vs outdoor per se, very high accuracies, or specific indoor related aspects  And while AFLT and the soon to be launched OTDOA, as well as A-GNSS, most certainly can provide position estimates for users indoors, not all use cases can be addressed with the current accuracy levels  3GPP/3GPP2 have arguably neglected fully leveraging femto cells and WLAN interworking as a cornerstone for a broader standards based positioning solution  Over the past many years a multitude of disjoint standardization efforts targeting indoor positioning and navigation have occurred  WLAN ranging, extended reference systems, relative positioning, etc  OMA is starting to define a reasonably complete solution, especially for WLAN based solutions  Probably the best standard organization to allow for all the necessary standardization for the indoor location ecosystem to avoid fragmentation as it evolves  Qualcomm recommends that 3GPP, 3GPP2, OMA, IETF, IEEE, et al and the member companies cooperate at a the requirements and systems level to avoid fragmentation of the indoor location ecosystem Wrap-Up

© 2012 QUALCOMM Incorporated. All rights reserved. 11 ©2012 Qualcomm Incorporated. All rights reserved. Qualcomm is registered trademark of Qualcomm Incorporated. All the trademarks or brands in this document are registered by their respective owner. QUALCOMM Incorporated, 5775 Morehouse Drive, San Diego, CA Thank You