Efficient Key Distribution Protocol for Electronic Commerce in Mobile Communications

2006 ◽  
pp. 1009-1016
Author(s):  
Jin Kwak ◽  
Soohyun Oh ◽  
Dongho Won
Keyword(s):  
Electronic Commerce ◽  
Mobile Communications ◽  
Key Distribution

Mobile communications in hospitals

Anaesthesia ◽  
2000 ◽  
Vol 55 (7) ◽  
pp. 727-728 ◽  
Author(s):  
J. A. Lack
Keyword(s):  
Mobile Communications

GPS and GSM Based Tracking System for Objects Moving over Wide Geographical Areas

2018 ◽  
Vol 2 (1) ◽  
Author(s):  
Fatima Ameen ◽  
Ziad Mohammed ◽  
Abdulrahman Siddiq
Keyword(s):  
Global Positioning System ◽  
Mobile Communications ◽  
Moving Objects ◽  
Tracking System ◽  
Geographical Area ◽  
Tracking Systems ◽  
Acceptable Result ◽  
Internet Service ◽  
Global Positioning ◽  
Tracking Objects

Tracking systems of moving objects provide a useful means to better control, manage and secure them. Tracking systems are used in different scales of applications such as indoors, outdoors and even used to track vehicles, ships and air planes moving over the globe. This paper presents the design and implementation of a system for tracking objects moving over a wide geographical area. The system depends on the Global Positioning System (GPS) and Global System for Mobile Communications (GSM) technologies without requiring the Internet service. The implemented system uses the freely available GPS service to determine the position of the moving objects. The tests of the implemented system in different regions and conditions show that the maximum uncertainty in the obtained positions is a circle with radius of about 16 m, which is an acceptable result for tracking the movement of objects in wide and open environments.

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