Research Paper on 3G vs WiFi

Nowadays it is difficult to find a person who does not have a mobile phone that allows him or her to not only be always connected to the network but also surf the Web, watch video or play online, as well as send messages. As is known, for greater demand there is adequate proposition. Due to the rapid increase in the number of Internet users and the fast progress in mobile communication, recently, we have seen rapid progress in the field of wireless communications.

Modern communication networks brought us high data transfer rate broadband, and the most popular among them are Wi-Fi and 3G.

The main differences between Wi-Fi and 3G networks are the following:

  1. The way of providing services. 3G means the third generation of wireless communication standard that includes not only radio but also Internet access with a high data transfer rate. The 3G technology was introduced back in 2000; it meets the standards of the IMT-2000 and is provided as a service by mobile operators and ISP. Although the AT company had introduced Wi-Fi technology for commercial use in 1991, it could not gain the same popularity as 3G for over 30 years, and it still cannot. The reason for this is that Wi-Fi provides access to the Internet only within a certain range where there is Wi-Fi access points. Today, such access points are available in many public places: supermarkets, coffee shops, hotels, train stations, and others. To connect a Wi-Fi network, you would have to go to a place where there are these access points, when the 3G network is virtually everywhere today.
  2. The data transmission rate. Despite the fact that 3G networks are much more accessible and popular, it is much slower than those using Wi-Fi technology for data transmission, with about 600Mbps, while the maximum speed of 3G connection is up to 2.0 Mbps. The transfer rate in 3G networks can be very different depending on your mobile device and its location. For example, if you access the Internet and send e-mail while in a moving vehicle, the transmission rate can be ten times lower.
  3. The battery consumption. When you connect your mobile device to a Wi-Fi network your battery last than when using 3G wireless networks. This makes connecting smartphones, tablets, and laptops to a Wi-Fi network more preferable when it is necessary to provide access to large amounts of data on the Web.
  4. The signal. 3G technology provides a more powerful signal, it can be used in all places where the carrier has coverage. The Wi-Fi connection quality directly depends on how close you are to the access point.
  5. The cost. The cost of 3G communication services may vary, it depends on the operator. The Wi-Fi connection in public places is usually free of charge. To connect to the Wi-Fi in a internet cafe, you must get access to the network for a fee.
  6. The bandwidth. The bandwidth of 3G networks is smaller than that of Wi-Fi. For this reason, speed of 3G connection vary that often causes dissatisfaction among users. Operators hope to completely resolve this issue after the introduction of the forth generation broadband networks.
  7. Security. 3G networks are more secure and less vulnerable to attack, as they are directly related to the service provider. Operators use special numbers to protect their network and Wi-Fi access does not have such protection.

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