In this thesis, Third parties means and methods to position a mobile phone, various
existing technologies for mobile phone positioning are studied and how third parties
using agreements with both webpage and smartphone app owners can get access to
mobile phone positioning information is dealt with. The technologies include those
based on GSM networks (2G), UMTS networks (3G), Global Navigation Satellite
Systems (GNSS), and the Internet. The specific positioning methods that are based on
the technologies are:
• Cell Identity (Cell Id), Timing Advance and Time of Arrival Multilateration in GSM
• Cell ID+RTT (Round Trip Time), Observed Time Difference of Arrival (OTDOA),
Uplink-Time Difference of Arrival (U-TDOA) in UMTS networks (3G);
• Positioning using Global Navigation Satellite Systems like GPS, GLONASS, Galileo,
• Positioning with the help of location fingerprinting and geolocation;
• Positioning via IP number.
The thesis also investigates how both IPv4 and IPv6 IP number allocation and leases is
conducted by Swedish mobile network operators, i.e. the ones that owns and
administrate mobile phone network infrastructure. Moreover the thesis studies how
this information can support third parties to position mobile phones.
The thesis further looks into how the Swedish laws the Electronic Communications
Act (2003:286) and the Personal Data Act (1998:204) interacts and where and how
third parties can find loopholes and create opportunities to process information in
accordance with these Acts. After this, the thesis discusses how third parties using
agreements with both webpage and smartphone app owners can get access to mobile
phone positioning information. Finally the thesis concludes how third parties can
increase their possibilities and enhance their methods on cell phone positioning.
2015. , 35 p.