Design And Implementation Of Location Information Cache System

As in recent years the rapid development of mobile Internet technology and the popularity of mobile devices, business applications related to LBS (Location-Based Services) is more and more. Including major portals, SNS community, microblogging sites, operators, and GIS application service providers are doing LBS applications, and a variety of check in, friends positions, and endless other applications. Currently, most of LBS applications based on GPS positioning method, they are not using cell id positioning, Wi-Fi positioning, IP positioning and other positioning channel, which leads to some users can not access the location data. We need an integrated location management platform; in addition, the business processing of location data demand more, not just as simple to get the user’s current location, such as the distance around the center of a range of user queries, based on user activity tracks a week to determine the location meets the need of sharing a car to work and so on. The combination of these requirements, the establishment of a comprehensive location-based service with the capacity and location information processing services system becomes a necessity.Location information caching system is based on B/S structure for the LBS business applications service delivery systems. This article mainly introduces the details and experiences in the development of the system by the analysis and design to the location information caching system and the real development practice. Firstly, the article introduces the current development of domestic and foreign LBS business, analyzes the current business problems in LBS, points out the need for the construction of the location information caching system and this is also the meanings of the research. Secondly, the article will introduce the key techniques to the location information caching system including business and software, and analyzes and compares relevant technical. Then the article will introduce the contents, experiences and results in the process of the development to the location information caching system. In the end, the article will give summary and appraise to the whole article and will look into the subsequent development and research.