WEB AND NETWORK SERVICES LBS

Web and Network Services LBS



Web and Network Services LBS

Introduction

This research paper emphasizes to discuss the Location Based Services and assess the relevant issues with LBS system. LBS defined as, “information services accessible with mobile devices, through the mobile network, utilizing the ability to make use of the location of the mobile device.” LBS may also be defined as “business and consumer services that give users a set of services starting from the geographic location of the client”. The above definition describes LBS in its most common forms, focusing on the 1st generation of LBS that are primarily available through the mobile networks. However, the field of LBS is still evolving and therefore some of the newer applications (e.g. location-enabled web services using HTML 5) may not be described using the above definition.

We distinguish between reactive and proactive location-based services. In reactive services, the service user must explicitly request the service (e.g. restaurant finder). A proactive service responds to certain events, for example when you enter a particular zone. To in practice offer location-based services, it requires the interaction between different actors:

Terminal for as mobile phone;

Position determiner performs the positioning and the position calculation of the target object. In terminal-based positioning method assumes this role, the target object. In network-based positioning, however, this role is usually assumed by the operators of the infrastructure. This service presents the raw position data of the target object in a mostly dependent on the applied positioning method of presentation.

The data is supplied from the position detector in such a way that they can be transferred to a service provider. This is for example a mobile network operator based on Global System for Mobile Communications (GSM) or Universal Mobile Telecommunications System (UMTS), which processes the data, which could be determined by the proximity of a terminal to a base station.

Service provider uses this information in order to further process the service accordingly (eg combined with geographic data), transmits the resulting data to the service user and the service will eventually be available in, for example, Toll Collect

Service users, the requests to the service (for example, via mobile phone or PC)

Advantages of LBs system

Show the location of a particular place.

Determine and show the way forward to a driver or pedestrian.

Determine the optimal route based on traffic.

Determine and display the location of a mobile device.

Locate and keep mobile devices.

Send alerts when a mobile device is in a certain area or left a particular location.

Automatically send emergency position.

Email users with sensitive information on mobile devices to the position in which they are located.

Send to mobile users with information and services related to nearby destinations.

The services listed above demonstrate that LBS are some of the paradigms of distributed applications that help improve the quality of life of the population.

Location-based services are mobile services that provide the assistance of position-dependent data to the end user selective information or provide services of another kind. As user positions are determined technically, under the item positioning ...