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Location-based services, is the English translation of Location Based Service, referred to LBS, it is through the mobile telecommunications operator's radio communications network (such as GSM networks, CDMA network) or external positioning mode (eg, GPS) location information for mobile end user (geographic coordinates, or geodetic coordinates), with the support of the GIS platform to provide users with a corresponding value-added business services.

总的来说，基于位置的服务包括有两层含义：首先是确定移动终端设备或用户目前所在的空间地理位置;其次是提供与具体位置相关的各类信息服务。意指与定位相关的各类服务系统，简称“定位服务”。

In general, location-based services include two meanings: The first is to determine the mobile terminal device or user has a space where the location; followed to provide the specific types of location-related information service. Means associated with the various services positioning system, referred to as "location-based services."

For LBS or its applications, require the use of spatial positioning and GIS technology will get to the location information, and other relevant spatial and attribute information gathering up, and then through the intelligent judgment, automatically extracts information from these users may be interested in The information and hope to get that information to the user in the form presented to the user, this process is a location-based services are characterized by the best embodiment.

1 Mobility

随着互联网和移动通信技术的高度发展，加上移动终端如手机、个人数字助理等大量普及，位置服务的发展由静态转向动态，用户可以在任何时间、任何地点通过移动终端来进行地图服务、路径查询以及其他服务，从而获取自己感兴趣的空间信息和属性信息。

With the Internet and mobile communications technology highly developed, coupled with mobile terminals such as mobile phones, personal digital assistants and other large popularity of location-based services development from static to dynamic, the user can at any time, any place through the mobile terminal to perform mapping services path query and other services in order to gain their interest spatial information and attribute information.

2 authenticity

Using a mobile terminal is unable to carry out the user location service exist, there must be tools to locate the user through the activities, and for users who want to get their information and services must also be true.

3 Mass
When the needs of the users have the same position, when gathered together, which requires location-based services with community characteristics to solve specific needs.

4 personalize perception
Personality perception refers to location-based services from a user perspective, combining space and time information as well as information about individual users surroundings, or according to the user's location trajectory intelligent push the user may be interested in the information.

Characteristics of location-based services so that in the SME had viable basis, and through the use of location-based services for SMEs external and internal conditions for analysis, making location-based services applications are small and medium enterprises in China great本论文由英语论文网提供整理，提供论文代写，英语论文代写，代写论文，代写英语论文，代写留学生论文，代写英文论文，留学生论文代写相关核心关键词搜索。