1. Zhao, Y.: Mobile phone location determination and its impact on intelligent transportation systems. IEEE Trans. Intell. Transp. Syst. 1, 55–64 (2000)
2. 3GPP: 3GPP TS 25.305 Technical Specification Stage 2 functional specification of User Equipment (UE) positioning in UTRAN, vol. 11, September 2012
3. Canalys: Mobile device market to reach 2.6 billion units by 2016, February 2013
4. W. S. S. W. service: Africa Smartphone Sales Will Jump 56 % in 2013 (2013)
5. Tao, S., Rodriguez, S., Rusu, A.: Vehicle location using wireless wide area network. In: 2010 Third Joint IFIP Wireless and Mobile Networking Conference (WMNC), pp. 1–6 (2010)