Hello, everyone!
Today, I would like to share a brief introduction on the WLAN scenarios and challenges.
WLANs can be found everywhere. They are common in homes, offices, public parks in cities, shops, airports and hotels, among many dierent places.
Today's WLANs are able to provide a fast and reliable wireless access to Internet for browsing the web, exchanging files, chatting, receiving and answering e-mails, and for low-quality real time audio/video streams, as just a few representative examples of their current usage.
This situation is changing rapidly however. The number of persons that use Internet applications and objects that are connected to the Internet is growing every day, proportionally to the number of new applications and services that constantly appear. This clearly results in a steady increase of the Internet traffic.
Two representative examples of the change in Internet use are:
(i) The high demand for mobile-rich multi-media content, mainly motivated by the use of smart-phones, tablets and other multimedia portable devices
(ii) The increasing interest in IoT applications driven by the almost ubiquitous existence of devices able to collect data from the environment, ranging from low-power sensor nodes to connected cars.
Therefore, WLANs must also evolve to provide effective solutions to these new upcoming scenarios, and the challenges they pose to satisfy their requirements.
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