The architecture of a gsm network is comprised of the following. In practice, the 2g global system for mobile communications gsm specification supports cell sizes of up to 35km using macro, micro, pico or femto cells 7 9. Gsm architecture a gsm network comprises of many functional units. System architecture for the 5g system including sms requirement. Gsm architecture the information in this document is subject to change without notice and describes only the product defined in the introduction of this documentation. Moreover, this page will describe gsm elements such as. Gsm technology was developed by europe in1982 but its massive deployment started in 1992. Using gateways, it is also possible to interchange messages with other systems such as internet email, the web etc. This document is intended for the use of nokia networks customers only for the purposes of the agreement under which the. In any case of existing or perceived difference in contents between such versions, the reference version is the portable document format pdf.
Sms enables 2way short messages to be sent between gsm subscribers. The chapter discusses gsm frequency bands, the gsm public land mobile network plmn and its objectives and services, gsm architecture and gsm subsystem entities, interfaces, and protocols between gsm. The gateway msc or gmsc the purpose of which is to query the hlr and determine the location of the subscriber. The scope of this document is to analyse the sms evolution, specifically related to 4g. Application needs to implement output function to send necessary at command instruction aswell as implement input module to send received data from gsm device to gsm at middleware application must also assure memory assignment for memory manager when. In 2000, gsm become very popular technology worldwide. Gsm concepts what does gsm mean global system for mobile.
Gsm standard still evolving and improved with new features and services. Gsm is a globally accepted standard for digital cellular communications. A short history of network evolution is provided in order set the. Display message on notice board using gsm 831 we shall also discuss the applications and their use in the project. The information contain herein is in full compliance with the gsm associations. In the sms network operated by gsm service providers four layers of transport are used figure 1. Find, read and cite all the research you need on researchgate. It is also present on most other digital cellular networks and tends to operate in a similar fashion on each network. Its basis stands in the gsm edge and umtshspa network technologies, with changes in terms of an increased capacity and higher speed by simplifying the core network and using a different radio interface. The operations and support subsystem the command and control center used to monitor the gsm system. Figure 21 gsmr logical network architecture including cs and psdomain. Given below is a simple pictorial view of the gsm architecture. The long term evolution standard lte is a wireless communications, highspeed data standard for mobile phones and data terminals. This tutorial provides an introduction to basic gsm concepts, specifications, networks, and services.
These functions and interfaces are explained in this chapter. The network operator observes and maintains network quality and service offered through the nms. Sumit thakur mechanical gsm seminar and ppt with pdf report. If there is a particular system failure the oss can identify the problem and determine what course of action is needed.