A survey on location based-services over cellular networks

This paper provides a brief background about cellular communications network types in the sense of brief background discussions about 2G, 3G and 4G, giving an exposition of 3G as UMTS architecture. Then the benefits and classifications of LBSs are presented. This paper should answer, after the classification and the target market of such services and application types, the following questions: What are the technical capabilities? What are the components and the technologies? What are the solutions for these services through GPS, cellular communications networks and WiFi?.