Scribd is the worlds largest social reading and publishing site. The fourth generation 4g technology is the fastest technology provide for data transfer. What really is a third generation 3g mobile techn ology. What is 2g technology second generation 2g telephone technology is based on gsm or in other words global system for mobile communication. Abstract mobile communication is one of the hottest areas developing and it is extremely fast in present times, thanks to the.
When talking about 4g, things can get a little confusing. This tutorial contains some of the basics of 3g technology and network. Second generation was launched in finland in the year 1991. Cellular technology basically refers to having many small interconnected transmitters as opposed to one big one. Fundamentals of 3g basics of wcdma for umts magister. Recall that one of the criteria for a system to be imt2000 compliant is that it implements an air interface standard defined by the itu. Comparision of 3g wireless networks and 4g wireless networks.
The basics of cellular technology and the use of the radio spectrum. Mar 15, 2020 3g is the technology that allows you to connect to the internet on your mobile device, and its what used to make up most data plans. Wireless mobile communication a study of 3g technology. Arts and science college, coimbatore, india 641 048. Comparative study of 3g and 4g in mobile technology k. It is still a research lab standard, the stage of broadband mobile communications that will replace the third generation 3g. The basic feature of 3g technology third generation technology is fast data transfer rates.
The 4g technology is the successor to the 3g technology. From 1991 to 2000 allows txt msg service signal must be strong or else weak digital signal 2. Cdma has become successful in every aspect, and it has enabled improvements need to be gained over the previous technologies used in 2g systems. A study on third generation mobile technology 3g and. But before we start comparing 4g speed to 3g speed, it is important to understand there are different versions of 4g. What is umts network architecture radio access radio interface frequency bands umts cdma modulation data channels umts tdd tdsdcdma handover. Lte fully abbreviated as longterm evolution is a technology involving firstgeneration 4g cellular networking. It based on the original 3g technologies having the ability to reach the speed up to 100 mbits with a muchreduced latency. Wcdmahspa basics for umts kari aho project and business development manager kari.
Cellular providers are still building out their 4g networks. When the 3g was introduced, cell phone users were finally able to talk and access data at the same time and with higher data rates. For more information on full subscription access, contact us. This is based on a set of standards used for mobile devices and mobile telecommunications use services and networks that comply with the international mobile telecommunications2000. It discusses and analyzes the application of 3g technology, such as video calls, wireless internet access and remote monitoring. What really is a third generation 3g mobile techn ology introduction there are currently widely different views throughout the wireless industry as to what constitutes a 3g wireless access network. Dec 05, 2011 cdmaone gsm tdma 2g pdc cdma2000 1x first step into 3g gprs 90% 10% evolution of mobile systems to 3g drivers are capacity, data speeds, lower cost of delivery for revenue growth edge wcdma cdma2000 1x evdv 3g phase 1 evolved 3g 3gpp core network cdma2000 1x evdo hsdpa expected market share edge evolution 7. Spectral efficiency is the measurement of rate of information transfer over any communication system. It is worth summarizing the key parameters of the 3g lte specification. The 3g system refers to technology standards for the next. Additionally, it offers plenty of benefits like backward compatibility with the present umts and gsm technology. This allowed for a better full service for cell phone users wishing to access the. The technicality of cdma technology has given significant advantages over other parallel technologies in terms of spectrum efficiency and overall performance. Aug 07, 2009 this tutorial contains some of the basics of 3g technology and network.
As we know we can not live without modern wireless technologies. Hello friends, here is the link to my new udemy course on 5g technologies, architecture and protocols and all other courses. Please provide your account email and password below new users can sign up for a public account. Cellular technology is what mobile phone networks are based on, and its the technology that gave mobile phones the name cell phones. If youre buying a new smartphone, youll need to choose a type of data network. Comparative study of 3g and 4g in mobile technology. Imtadvanced, vision in 2003, first release in 2012 5g. Basics idea about cdma technology and its applications.
Though i assumed you have a very little or zero understanding on 2g and 3g technologies like gsm. Cdma technology has been used in 3g telecommunication systems in one form or the other. This tutorial will give you enough understanding on lte technology from where you can take yourself at higher level of expertise. Voice calls are interpreted through circuit switching. The high data transfer rates will allow 3g networks to offer multimedia services combining voice and data. Introduction 3g is the third generation of mobile phone 2 3 standards and technology and represents one of the biggest opportunities the business world has ever seen, increasing the potential of mobile internet and opening. Mobile cellular technologies explained daniel miessler. This is done in gsm via gaussian minimum shift keying gmsk.
These have been created to support the effective delivery of a range of multimedia services. This page of tutorials section covers 5g tutorial basics which mentions need for 5g wireless, 5g technology features, advantages of 5g and key 5g projects. Access technologies fdma, tdma, cdma cellular standards for 1g and 2g. Explore summer 2006 3g mobile communication networks 6 3g mobile communication networks back ground third generation 3g is the generic term used for the next generation of mobile communications systems. The evolution of cellular technologies from offering only voice services to enabling mobile data services took a major milestone after the introduction of third generation 3g networks. This article from the 3g technology development at home and abroad studies the basic features of 3g technology, including international standards and the leading technology of china unicom. This tutorial has been designed for audiences with a need to understand the lte technology basics in very simple terms. Nov 11, 2019 identifying the strengths of the underlying technology of a cell phone is simple as long as you understand the meaning of 1g, 2g, 3g, 4g, and 5g.
About the tutorial code division multiple access cdma is a channel access method normally used by 3g radio communication technology as well as in some other technologies. The problem is rapidly getting worse with the increased usage of 4g to describe, in many cases, technologies that are basically just. Fundamentals of 3g basics of wcdma for umts duration. Gsm technology was able to transfer circuit switched data over the network. Replacing the existing gsm air interface is the final and most important step in the evolution of gsm to umts i.
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