A Review of Privacy Preserving LBS: Study of Well-Suited Approaches

Abstract- Usage of wireless data services with Mobile wireless technologies has experienced tremendous growth in the recent past years. By knowing the location of mobile user, Service Provider can offer more enhanced services and applications to the mobile user. These type of applications and services are called as “Location Based Services”. Class of location based services is increasing its popularity across all mobile networks like GSM and CDMA.LBS are an entertainment, information and utility services which are accessed through mobile devices such as smart phones, GPS devices, tablets PCs, and operates through mobile network. All the Current researches in Location Based Services(LBS) highlights the privacy requirements and presents the approaches to meet the requirements. This paper presents a brief survey of the approaches that are well suited to keep users location and content of the server private. Keywords- Location based services, location based query, private information retrieval, oblivious transfer, location privacy. I