Wireless Communication Technology: First Generation (1G)

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III. First Generation (1G) The introduction towards the cellular technology lies under the category of the First generation (1G) wireless communication technology that uses analog for its transmission which started in the 1980s. They are called the “brick phones” and the “bag phones”. (Chakraborty, 2013). It is based on the Advanced Mobile Phone Service (AMPS), Nordisk Mobile Telephony (NMT) and Cellular Digital Packet Data (CDPD) (Sarmistha Mondal, N.D.). The AMPS developed by the Bell Labs, uses separate channels for different conversations. NMT is the first automatic cellular phone system that is functioned at full duplex. It allows transmission and receiving of voices at the same time. While CDPD is an AMPS call detector, these calls are…show more content…
The second generation endorsed its features wherein one is bestowing its customers to link calls between different parts of the world yet as mentioned above it needs changing the SIM in order to take and make calls in three different continents. In behalf of that, progress may be needed for the said generation that will make it available to have a simple and single network that will be able to access the countries without the need for alternating SIM. For that reason, it paved way to another mobile communication development which is a precursor to 4G. The third generation system is the system of mobile phone communication that was implemented by the countries in Asia such as the Japan and Korea during 2001. This generation includes more functionality in contrast to its predecessor for the past few decades. According to evolution of Mobile Wireless Communication Networks: 1G to 4G (Kumar, Liu, Sengupta, & Divya, 2010), the one that described the 3G to acquire its present features and processes is the International Telecommunication Union (ITU) that make use of the another mobile communication which is the International Mobile Communication or the IMT-2000. Two countries were able to accomplish and execute these characteristic given by the ITU for the 3G which have different companies…show more content…
It comprises of mobile TV, video-conferencing, location-based services and video player. Mobile TV allows its clients to view any TV channels just using the mobile phone. Video-conferencing let people communicate using video and not just only able to hear the person they are talking to but as well as seeing them. Location-based services are the type of services that provided by the servers to allow information like weather. Lastly, the video player, it enhanced the video streaming via 3G network. In Robert Lesar’s work (Lesar, 2010), he mentioned and points out few concerns with the 3G that caused to invention of new generation. These are as

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