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  1. 1. WIMAX presented by Bhanu & Prashant
  2. 2. INTRODUCTION <ul><li>Think about how you access the Internet today. </li></ul><ul><li>There are basically three different options: </li></ul><ul><ul><li>BROADBAND ACCESS </li></ul></ul><ul><ul><li>WIFI ACCESS </li></ul></ul><ul><ul><li>DIAL-UP ACCESS </li></ul></ul><ul><li>The main problems with broadband access are that it is pretty expensive & it doesn’t reach all areas. </li></ul><ul><li>The main problem with WIFI is that hot spots are very small, so coverage is sparse. </li></ul>
  3. 3. What if there were a new technology that solved all of these problems? <ul><li>This new Technology would provide:- </li></ul><ul><li>High speed of broadband service </li></ul><ul><li>Wireless rather than wired access </li></ul><ul><li>That is less expensive than cable </li></ul><ul><li>Much easier to extend to rural areas </li></ul><ul><li>Broad coverage like cell phone networks. </li></ul>All this is possible with WIMAX
  4. 4. WHAT IS WIMAX? <ul><li>WIMAX stands for Worldwide Interoperability of Microwave Access. </li></ul><ul><li>WIMAX is a wireless digital communications system also known as IEEE 802.16. </li></ul><ul><li>WIMAX can provide broadband wireless access up to 30 miles(50 km) for fixed stations and 3-10 miles(5-15 km) for mobile stations. </li></ul><ul><li>It involves microwaves for the transfer of data wirelessly. </li></ul>
  5. 5. How does WIMAX Work ? <ul><li>A WIMAX tower station can connect directly to the internet using a high-bandwidth, wired connection. </li></ul><ul><li>It can also connect to another WIMAX tower using a line-of-sight, microwave link. </li></ul><ul><li>This connection to a second tower, along with the ability of a single tower to cover up to 30 square miles, is what allows WIMAX to provide coverage to remote rural areas. </li></ul>
  6. 6.
  7. 7. Reliance WIMAX broadband delivery
  8. 8. How WIMAX Works ? (continued) <ul><li>In practical terms, WIMAX would operate similar to WIFI but at higher speeds, over greater distances and for greater number of users. </li></ul><ul><li>WIMAX could potentially erase the suburban & rural blackout areas that currently have no broadband internet access because phone and cable are not yet reached the remote locations. </li></ul>
  9. 9. Wi-Fi hotspot. Soon, Mobile WIMAX will blanket large areas—metropolitan, suburban, or rural—delivering mobile broadband Internet access at speeds similar to existing broadband.
  10. 10. ADVANTAGES <ul><li>Single station can serve hundred of users. </li></ul><ul><li>Quick Installation: </li></ul><ul><ul><li>Getting your connectivity up and working as quickly as possible. If you are moving, starting up at a new location or need a fast back-up solution, the WIMAX service is ideal. </li></ul></ul><ul><li>High data rate </li></ul><ul><li>Large coverage </li></ul><ul><li>Line of sight not needed b/w user & base station. </li></ul><ul><li>Relief from cabling cost. </li></ul>
  11. 11. <ul><li>Security </li></ul><ul><li>Bandwidth Flexibility </li></ul><ul><li>Pricing + Contract Flexibility: </li></ul><ul><ul><li>WIMAX service offers pricing based on your bandwidth demands. </li></ul></ul>
  12. 12. DISADVANTAGES <ul><li>Line of sight is needed for more distant connections. </li></ul><ul><li>Susceptible to weather effects like rain etc. </li></ul><ul><li>Other wireless equipments could cause interference. </li></ul><ul><li>WIMAX is a very power consuming technology. </li></ul><ul><li>High cost of design, implementation and maintenance. </li></ul>
  13. 13. WIMAX Applications & Services Applications : <ul><li>Last Mile: Broadband Internet access. </li></ul><ul><li>Backhaul network </li></ul><ul><li>Hospital </li></ul><ul><li>Traffic management </li></ul><ul><li>Deploying infrastructure for events </li></ul><ul><li>Military and Defense </li></ul>
  14. 14. <ul><li>Services : </li></ul><ul><li>Network backhaul </li></ul><ul><li>VoIP </li></ul><ul><li>Interactive gaming </li></ul><ul><li>Web browsing </li></ul><ul><li>File transfer </li></ul><ul><li>Streaming multimedia (video conferencing) </li></ul>
  15. 15. TYPES OF WIMAX <ul><li>FIXED WIMAX: </li></ul><ul><ul><li>Fixed WIMAX deployments do not cater for hand off between base stations, therefore the service provider cannot offer mobility. </li></ul></ul><ul><li>MOBILE WIMAX: </li></ul><ul><ul><li>Mobile WIMAX implementations can be used to deliver both fixed & mobile services. </li></ul></ul>SAMSUNG MOBILE WIMAX DEVICES
  17. 17. COMPARISON b/w WIMAX & WIFI <ul><li> WIMAX </li></ul><ul><li>WIMAX is a long range system, covering many kms that typically uses licensed spectrum to deliver a point-to-point connection to the internet from an ISP to an end user. </li></ul><ul><li>WIMAX provides services analogous to cell phone. </li></ul><ul><li> WiFi </li></ul><ul><li>WiFi is shorter range system, typically hundreds of meters, that uses unlicensed spectrum to provide access to a n/w. </li></ul><ul><li>WiFi is more analogous to a cordless phone. </li></ul>
  18. 18. <ul><li>It uses a mechanism based on setting up connections between the base station & user device. Each connection is based on specific scheduling algos, which means that quality of service can be guaranteed. </li></ul><ul><li>WiFi has introduced a quality of service mechanism similar to fixed Ethernet, where packet can receive different priorities based on their tags. This means that QOS as opposed to guaranteed. </li></ul>
  19. 19. BROADBAND ACCESS <ul><li>Many companies are closely examining WIMAX for “last-mile&quot; connectivity at high data rates. </li></ul><ul><li>The resulting competitions may bring lower pricing for both home & business customers, or bring broadband access to places where it has been economically unavailable. </li></ul>
  20. 20. Networks around the world WiMAX Networks around the World Beginning in 2004 <ul><li>Europe: WIMAX networks have </li></ul><ul><li>made their presence in Europe since </li></ul><ul><li>as early as 2004. </li></ul><ul><li>Norby Telecom and Wi-Manx </li></ul><ul><li>were one of the first companies in </li></ul><ul><li>Europe to deploy commercial WiMAX </li></ul>
  21. 21. <ul><li>Italy was one of the last European </li></ul><ul><li>nations to join the WiMAX race. </li></ul><ul><li>China Netcom has provided </li></ul><ul><li>residential users of China with fixed </li></ul><ul><li>Broadband Wireless Access since 2006. </li></ul><ul><li>South Korean telecom industries </li></ul><ul><li>have supplied a huge contribution to </li></ul><ul><li>the development of </li></ul><ul><li>Mobile WiMAX (802.16e), which </li></ul><ul><li>they referred to as WiBro . </li></ul><ul><li>South America & North America </li></ul><ul><li>have also established WIMAX </li></ul><ul><li>networks there. </li></ul>
  22. 22. FUTURE <ul><li>Anywhere, Anytime Connectivity </li></ul><ul><ul><li>WIMAX offers such kind of service, so that you can get a connection, wherever you are & at a higher speed. </li></ul></ul><ul><ul><li>When WIMAX will be fully developed, you will no longer be limited to 300 feet within the WIFI hotspot, & you won’t have to drive around looking for a connection…. </li></ul></ul>
  23. 23. <ul><li>Cost Effective </li></ul><ul><ul><li>There are areas of the world-especially in rural areas-where deploying wired broadband infrastructure is not cost effective. </li></ul></ul><ul><ul><li>In this case WIMAX will be very cost effective. </li></ul></ul><ul><ul><li>Summing up WIMAX will replace other wireless </li></ul></ul><ul><ul><li>technologies. </li></ul></ul>
  24. 24. THANK YOU