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5. Location based services
5.1 Location techniques
5.1.1 Cell ID based location
5.1.2 Enhanced Observed Time Difference (E-OTD)
5.1.3 Uplink Time Difference of Arrival (U-TDOA)
5.1.4 Global Positioning System (GPS)
5.1.5 Assisted GPS
5.2 Location architecture and interfaces
5.2.1 Mobile location protocol (MLP)
5.2.2 Secure User Plane Location
5.2.3 Combining MLP and SUPL
5.2.4 Roaming Location Protocol
5.2.5 OSA-Parlay
5.3 Adding location value
5.3.1 Location based applications and content
5.3.2 Location based gaming
5.3.3 The Gimkana location based game
5.4 Regulatory issues
Weblinks for chapter 5
References for chapter 5
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