Test specifications communication tester platform overview. A feature overviewqinghua li and guangjie li, intelwookbong lee and moonil lee, lg electronicsdavid mazzarese and bruno clerckx, samsungzexian li, nokia abstract tions developed in these standards, in terms of mimo configuration and reference signals rss ieee 802. The application of mimo technologies is one of the most crucial distinctions between 3g and 4g. For an overview of ofdm technology, please see understanding the use of ofdm in ieee 802. It looks that the competition ended with the advantage of lte. Lte and wimax comparison 7 tejas bhandare system architecture the lte and wimax system architecture aims to improve latency, capacity, and throughput while simplifying the core network and optimizing the ip traffic and services. Jun 30, 2011 a technological overview of lte and wimax. System architecture, wimax architecture, network reference model, seamless integration with 3gpp networks, air interface radio aspects, frequency bands, radio access modes, air interface protocol aspects and physical layer control mechanisms. A few years ago, in 2007, wimax had a head start and also a couple of strong supporters who were already investing in.
There is plenty of good reference material available out there that you should refer to become a. Microwave access is a new technology dealing with provision of. Overview long term evolution lte is the next step forward in cellular 3g services. Lte a meets and exceeds all requirements for 4g as specified in imtadvanced. By using ofdm, lte is aligning with similar decisions made by 3gpp2 for ultramobile broadband umb and by ieee 802. Techspirited will try to shed some light on which one to use.
This paper provides an overview of next generation telecommunication networks lte and wimax. Lte a can aggregate up to 5 carriers to make up to 100 mhz 4. Although the article explains the basics of ofdm with reference to wimax, the general principles apply to lte and umb as well. The term lte is typically used to represent both lte and sae. This paper performs a detailed comparison of the lte and wimax standards and delves into the intricacies of each of them. Lte and wimax technology and performance comparison. Both are based on slightly different standards, but do not differ much in functioning. This is a headtohead comparison of the 4g network technologies wimax and lte. If you continue browsing the site, you agree to the use of cookies on this website.
Wimax, wifi, wireless network, wireless coexistence, network simulation. Jun 09, 2010 ltewimax overview slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. Towards imtadvanced networks provides a concise, nononsense introduction to the two technologies, covering both interface and networking considerations. Lte overview lte telecommunication high speed packet access. Much of the lte standard addresses the upgrading of 3g umts to what will eventually be 4g mobile communications technology. The predecessor of wimax wifi wireless fidelity is a set of technologies that are based on the ieee 802. Long term evolution lte commonly marketed as 4g lte is a standard for wireless communication of high speed data for mobile phones and data terminals. Lte tdlte in the market, it analyzes the current situation and future development trend of wimax in terms of the differences in technology and application. Lte, wimax and wlan network design, optimization and. This paper provides an overview of next generation telecommunication networkslte and wimax.
As these technologies are rolled out, basic voicedata quality will ultimately determine the fate of carriers and end equipment manufacturers. Lte long term evolution or the eutran evolved universal terrestrial access network, introduced in 3gpp r8, is the access part of the evolved packet system eps. Mesh networks, interoperability and qos, wireless services, wimax infrastructure, wimax network ipbased architecture, endtoend wimax architecture, wimax protocol, mobile wimax, advanced features of wimax, markets for wimax, current status of wimax and wimax scenario. Lte stands for long term evolution and it was started as a project in 2004 by telecommunication body known as the third generation partnership project 3gpp. Finally, by comparing wimax with the popular wifi, 3g and lte tdlte in the market, it analyzes the current situation and future development trend of wimax in terms of the differences in technology and application. Lte overview lte telecommunication orthogonal frequency. Free wimax books download ebooks online textbooks tutorials. Physicalcommunication32010217244 219 table 1 lte, lte advanced,andimtadvancedperformancetargetsfordownlinkdlanduplinkul. The argument between lte and wimax continues to rage at least three years after it ignited, but many think lte may end up becoming the 4g technology of choice.
Sae system architecture evolution is the corresponding evolution of the gprs3g packet core network evolution. Public safety planners will face many challenges as they deploy this new technology in an everchanging environment. Wimax overview pdf 35p this note covers the following topics. Lte a has frequency reuse factor of 1 since spectrum is expensive, uses highorder mimo. Topics in wireless communicationsmimo techniques in wimax and lte. Wimax to wimax roaming lte wimax mobile lte comes 2 years later than wimax and hence provides some technical advantages over wimax. Both the architectures ensure seamless integration into the existing 3gpp. Lte discussion wimax first to market wimax is ieee standard equipment cheaper e. Ofdma duplex mode fdd and tdd tdd voip capacity 80 userssector 20 userssector channel bandwidth 5, 10, 15,20 mhz 5, 7, 10 mhz peak data rates dl. All 3gpp operators already have spectrum that can be used for lte not true for wimax 802. Physicalcommunication32010217244 219 table 1 lte,lteadvanced,andimtadvancedperformancetargetsfordownlinkdlanduplinkul. Lte must be seen especially in the context of the mature and worldwide dominating geran and umtshspa systems allowing for handoverroaming as well as refarming scenarios. A broad industry consortium, the worldwide interoperability for microwave access wimax forum has begun certifying broadband wireless products for interoperability and compliance with a standard.
This site is like a library, use search box in the widget to get ebook that you want. The wimax technology preface worldwide interoperability for microwave access wimax, is a wireless communications technology aiming to provide wireless data over long distances in a variety of ways as an alternative to cable and dsl, from pointtopoint links to full mobile cellular type access. In both standards, multipleinput multipleoutput antenna technologies play an essential role in meeting the 4g requirements. More critically, the book gives a multifaceted comparison, carefully analyzing and distinguishing the characteristics of each technology and spanning both. Overview of wimax a fter years of development and uncertainty, a standardsbased interoperable solution is emerging for wireless broadband. Competition between the two is evened by the absences in considerable roll out plans due to. In addition, topics such as traffic modelling of ipcentric networks, rf propagation, fading, mobility, and indoor. Lte a an overview and future research areas shihab jimaa college of engineering, khalifa university of science, technology and research u.
Since the first release versions of mobile wimax and lte support much less than 1 gbits peak bit rate, they are not fully imt advanced compliant, but are often branded 4g by service. Wimax summary we have covered just the very basics of wimax in this tutorial. The system architectures between lte and wimax network will be shown. Wimax vs lte is an old story, but how did this story end. Lte td lte in the market, it analyzes the current situation and future development trend of wimax in terms of the differences in technology and application. The architectural differences between lte and wimax. Click download or read online button to get fundamentals of lte book now. Plans are set for wimax to migrateintegrate with lte in a multiple heterogeneous. A few years ago, in 2007, wimax had a head start and also a couple of strong supporters who were already investing in such networks like sprint and clearwire.
Other competing broadband access technologies page 2 of 6. Lte, wimax and wlan network design, optimization and performance analysis provides a practical guide to lte and wimax technologies introducing various tools and concepts used within. Lte standardization effort started in late 2004 with hspa downlink and uplink, utra will remain highly competitive for several years ieee is standardizing mobile wimax threat for loosing competitive edge lte focus. Pdf two wireless technologies, wimax based on ieee standards and lte. Like any technology, ltebased technology has both pros and cons. An overview of the cpri speciacation and its application to c. Lte overview free download as powerpoint presentation.
Fundamentals of lte download ebook pdf, epub, tuebl, mobi. Enhancement of the utra optimisation of the utran architecture. Similar spectral efficiency for hspa evolution and wimax due to similar feature set. Lte is expected to provide higher efficiency than hspa. Abstractthis paper provides an overview of next generation telecommunication. Lte technology is a based on a 3gpp standard that provides for a downlink speed of up to 150 megabits per second mbps and an uplink speed of up to 50. Planners will need to give careful consider ation to these challenges listed below.
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