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Pervasive Computing (Ubiquitous Computing)

Princeton University_051118
(Princeton University)


- Ubiquitous Computing - Existing Anytime and Everywhere

Pervasive computing (also called ubiquitous computing) (means "existing anytime and everywhere") is the growing trend towards embedding microprocessors in everyday objects so they can communicate information. Pervasive computing devices are completely connected and constantly available. Pervasive computing relies on the convergence of Internet, advanced middleware, operating system, mobile code, sensors, microprocessors, new I/O and user interfaces, networks, mobile protocols, location and positioning and new materials.

The idea that technology is moving beyond the personal computer to everyday devices with embedded technology and connectivity as computing devices become progressively smaller and more powerful. Pervasive computing, also called ubiquitous computing, is the growing trend of embedding computational capability (generally in the form of microprocessors) into everyday objects to make them effectively communicate and perform useful tasks in a way that minimizes the end user's need to interact with computers as computers. 


- Pervasive Computing Devices

Pervasive computing devices are network-connected and constantly available. Pervasive computing is the result of computer technology advancing at exponential speeds -- a trend toward all man-made and some natural products having hardware and software. It is the idea that almost any device, from clothing to tools to appliances to cars to homes to the human body to your coffee mug, can be imbedded with chips to connect the device to an infinite network of other devices. 

Unlike desktop computing, pervasive computing can occur with any device, at any time, in any place and in any data format across any network, and can hand tasks from one computer to another as, for example, a user moves from his car to his office. Thus, pervasive computing devices have evolved to include not only laptops, notebooks and smartphones, but also tablets, wearable devices, fleet management and pipeline components, lighting systems, appliances and sensors, and so on.


- The Goal of Pervasive Computing

The goal of pervasive computing, which combines current network technologies with wireless computing, voice recognition, Internet capability and artificial intelligence, is to create an environment where the connectivity of devices is embedded in such a way that the connectivity is unobtrusive and always available. It is to make devices "smart," thus creating a sensor network capable of collecting, processing and sending data, and, ultimately, communicating as a means to adapt to the data's context and activity; in essence, a network that can understand its surroundings and improve the human experience and quality of life.

Pervasive computing applications can cover energy, military, safety, consumer, healthcare, production and logistics.


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