2g architecture pdf files

The network architecture can be divided into subsystems based on the nature of traffic, protocol structures, physical elements. Gsm is a globally accepted standard for digital cellular communications. Only with adobe acrobat reader you can view, sign, collect and track feedback, and share pdfs for free. Given below is a simple pictorial view of the gsm architecture. The infrastructure of 2g and 3g cellular networks are similar. In this paper we propose a new design solution for network architecture of future 5g mobile networks. The proposed design is based on usercentric mobile environment with many wireless and mobile. When the fcc issued 1900 mhz to pcs in the united states it was based on gsm. Ppt cellular network free tutorial for beginners computerpdf. Scribd is the worlds largest social reading and publishing site. These functions and interfaces are explained in this chapter.

It is also known as the air interface or the radio link. Dcs 1900 is considered the gsm standard for north america and is called north american gsm. The ms and the bss communicate across the um interface. They comprise an air interface between the users mobile device and the base station and two core networks. The bss communicates with the network service switching nss center across the a interface. And when you want to do more, subscribe to acrobat pro. Here in this paper, a brief comparison is made between 2g, 3g and 4g networks, how they evolved and its advantages and disadvantages, channelcoding scheme used and the frequency band used in each. Modulation is the process of transforming the input data into a suitable format for the transmission. Gsm system frequencies include two bands at 900 mhz and 1800 mhz commonly referred to as the gsm900 and dcs1800 systems. Gsm uses digital communication system or dcs 1800 and is the worlds main 2g standard. The mobile station ms the base station subsystem bss the network switching subsystem nss the operation support subsystem oss given below is a simple pictorial view of the gsm architecture. This includes sharing our expertise about heat and power generation and highly efficient chp systems with our partners and customers. Endtoend voice and data quality testing over 2g networks.

Mobile 2g digital damps standardized as is54 by tia in 1992 mainly in north america no longer utilized 30 khz time three users per radio channel a b c a b c mobile 2g digital gsm standardized by etsi in 1990 phase 1 initiated in europe still widely used today 4b connections ww1 simple data services with gprs. Outline of the lecture evolutions form gsm to umts. Gsm operates on the 900 mhz, 1800 mhz and 1900 mhz. The architecture is based on an evolution of the existing gsmwcdma core network, with simplified operations and smooth, costefficient deployment. Pdf comparative study of 2g, 3g and 4g researchgate. At the training center in heek and throughout the globe.