A Study on Integration of RFID, GPS and Mobile Technologies to Increase Supply Chain Visibility
G. Nilesh Kumar
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Supply chain visibility is an important issue for academics and industry both in a theoretical sense and in practice. Visibility is a complex issue that involves people, processes, and technology and information flow. From the supply chain management point of view, it sustains, accelerates or enables other practices driving the supply chain, such as sharing real-time data with key customers, suppliers, and partners or standardizing processes and practices, eliminating inefficiencies, and improving inventory and order management. Ideally, visibility enables all supply chain members timely access to all relevant information related to that particular member’s role in the supply chain. Supply chain visibility is attained by technological and organizational means. Technological means refers to the development of e-business solutions that have enabled tightly integrated supply chains. Organizational refers to various collaborative business processes where the supply chain parties agree on such cooperation and where the traditional firm boundaries do not hinder the setting of targets or, for example, collaboratively developed demand forecasts.
RFID (Radio Frequency Identification)
RFID is expanding into new vertical application areas, driving continued demand for integration services providers with both RFID technology experience and domain-specific expertise. RFID is one of the evolving high-tech markets in the ICT sector, technology providers and users may profit from growing RFID markets and technologies. RFID uses special data carriers, or tags, to hold data. Readers use RF signals to communicate with the tags.
Global Positioning System (GPS) is a Global Navigation Satellite System (GNSS) developed by the United States Department of Defense. It is the only fully functional GNSS in the world. It uses a constellation of between 24 and 32 Medium Earth Orbit satellites that transmit precise microwave signals, which enable GPS receivers to determine their current location, the time, and their velocity. GPS is a space-based satellite navigation system that provides location and time information in all weather, anywhere on or near the Earth, where there is an unobstructed line of sight to four or more GPS satellites. It is maintained by the United States government and is freely accessible by anyone with a GPS receiver. The GPS program provides critical capabilities to military, civil and commercial users around the world. In addition, GPS is the backbone for modernizing the global air traffic system.
The majority of applications are based on a few generic foundations, as listed below:
• Tracking and Traceability
• Escort Information
• Product and item
• Transaction and services support
• Access control
• Automation support
The objects to be tracked require a small RFID or GPS electronic tag device to be attached. They provide these hardware devices and the associated software so you can then view the status and location of mobile resources from anywhere over the internet. In addition business rules may be applied within the system, such that if an object passes into or out of a predefined area then this action can trigger other events, processes, e-mail alerts, SMS alerts or notifications to occur automatically.
It offer a number of different systems and tag types each suited to different objects and environments. For example, if the object is to be tracked inside a large building, or outdoors in a yard, or throughout the or across several of...
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