Mobile Computing means that users can use a computing device while it is transported. With smartphones and new computing devices this type of computing is getting more and more popular. This concept is called portability that stands for the movement of the devices and the underlying computing network environment enabling it. In this context it is important to Keep the connectivity. That means that the device needs to continously stay connected to the Internet or mobile computing network. Ideally this should be not affected by the movement of the user.
Always being connected means a new mobile devices gathers increasingly much big data, including voice, images, geographical location data, e-mails, chats, or other social media content. This trend continues with the explosion of data due to the Internet of Things that refers to many other devices one can interact with such as your fridge at home. Wearables tracking health status Information delivering also data to the mobile device or trackers such as step counters are even integrated in them. In hospitals mobile computing can help doctors to faster lookup and store patient Information across various hospital divisions while going from one patient to another. The challenge is to perform data analytics on mobile devices since the hardware computing power is less than in computing centres. In addition the analytics should be modelled with a small energy footprint since mobile devices usually have a low battery to sustain continued analytics. One solution to this challenge is cloud computing whereby processing intensive analytics are performed on Servers and only results transported back to the device. This however raises often security concerns of transmitting sensitive data such as Patient data over the Internet.
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