WiMAX

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Presentation Transcript

Presented & performed by : 

Presented & performed by Arunachalam PL COMPUTER ENGINEERING

Slide 2: 

Wi-MAX

Slide 3: 

Introduction Wireless Communication Infrastructure Of Wimax Wimax Vs Wi-fi Mobile Wimax Salient Features Wimax technology Bibliography Concluding remarks Agenda

Slide 4: 

Introduction The 802.16 family of standards is officially called Wireless MAN, it has been dubbed “WiMAX” form World wide Interoperability for Microwave Access. It is one of the most promising broadband wireless access technology for next generation all-IP networks. This access technology allows reaching high bit rate and covering large areas with a single Base Station (BS), giving the possibility to offer connectivity to end users in a cost effective way

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Provide high-speed Internet access to home and business subscribers, without wires. 10-66 GHz and sub 11 GHz Legacy voice systems Voice over IP TCP/IP Applications with different QoS requirements goals

Slide 6: 

WiMAX is targeted for longer range Metropolitan Area (indoor & outdoor) Different from Wi-Fi, which is primarily targeted for Local Area Network (indoor) applications. The mail distinction between WiFi and WiMAX is speed and coverage distances: WiFi has a typical bandwidth of 2MBps whereas WiMAX can have a bandwidth of up to 75MBps. The coverage distances also differ to a great extent. A WiFi hotspot typically covers a few hundred feet radius (fraction of a kilometer) whereas a WiMAX can practically cover up to a distance of 10 kilometers. Wimax vs wi-fi

Slide 7: 

Los Line Of Sight Non Line Of Sight Wireless communication

Slide 8: 

non Line of sight

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Orthogonal frequency division multiplexing is a technology based on multicarrier modulation. OFDM possesses multiple carriers which are mutually orthogonal. Theses subcarriers are closely placed to each other on the frequency domain, & each sub carrier is modulated & demodulated separately. ofdm

Slide 10: 

BWA is a point to multipoint system, which is made up of base station and subscriber equipment How it works

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11 The increased demand on multimedia services led to the need for BWA (Broadband Wireless Access) This led to the appearance of WiMAX technology Advantages of BWA: Fast connection (several Mbps/user) Relatively cheap (no cable infrastructure) Not limited by location (wireless links) BWA  Data services Wireless Broadband Internet Broadband wireless accesses(bwa)

Slide 12: 

A WIMAX tower: similar in concept to a cell-phone tower. A single WIMAX tower can provide coverage to a very large area (~8,000 km). A WIMAX receiver : The receiver and antenna could be a small box or PCMCIA card, or could be built into a laptop. Infrastructure of wimax

Slide 13: 

Tower models

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WiMAX, a single technology can deliver fixed, portable & mobile services with scalable bandwidths & higher data rates WiMAX is a well-supported, cost-effective, standards-based, flexible, broadband technology that is ready to deliver significant benefits for: Operators in a wide range of markets (enterprise, consumer, emerging, public service) Over a wide range of geographies and demographics (urban, suburban, rural) Wimax technology

Slide 15: 

NEC Japan has announced its new and compact WiMAX router with embedded wireless LAN, it is dubbed the NEC WiMax Router A WiMAX base station consists of indoor electronics and a WiMAX tower, base station can cover up to 10 km or 6 miles radius. Each base station provides wireless coverage over an area called a cell. Any wireless node within the coverage area would be able to access the Internet Wimax routers/base stations

Slide 16: 

There are two versions: Indoor SU. Outdoor SU. Indoor units are comparable in size to a cable modem or DSL modem. Outdoor units are roughly the size of a laptop PC, and their installation is comparable to a residential satellite dish. There is an increasing focus on portable units including handsets and PC peripherals. Outdoor subscriber unit Indoor subscriber unit Subscriber units

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WiMAX Broadband Applications WiMAX VoIP Broadband Data Connections Digital Television E1/T1 over WiMAX Urban WiMAX Hot Zones Surveillance Services MTU and MDU Connections Rural Connections Iphone applications by wimax

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Appearance of VoIP made it possible for Voice over WiMAX  Voice services Appearance of IPTV made it possible for TV over WiMAX  Video services Integrated network: Data, Voice and Video + Mobility  WiMAX becomes a strong candidate for future mobile networks Triple play

Slide 19: 

Iphone applications by wimax

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Wimax gadgets

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Wimax application

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WiMAX, LTE, MESHWireless Network Doctors at the emergency room can see the vehicle and get an understanding of the mechanism of injury to guide their treatment of the victim. Portable or fixed mounted cameras can be used to capture video or still images of a vehicle accident to send to emergency room doctors. Enables real time monitoring of Patients on the way to the Hospitals Vehicle accident

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WiMAX, LTE, MESH Wireless Network Doctors at the emergency room can help guide treatment of the victim, especially important for time critical treatment. Cameras inside ambulances can capture video of patients to send to emergency room doctors for consultation. Remote diagnosis can shorten the time before treatment which can potentially save lives and shorten recovery time Remote medical diagnosis

Slide 24: 

Wimax coverage range

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IEEE 802.15 Bluetooth WAN MAN LAN PAN ETSI HiperPAN IEEE 802.11 WirelessLAN ETSI HiperLAN IEEE 802.16 WirelessMAN ETSI HiperMAN & HIPERACCESS IEEE 802.20 (proposed) 3GPP, EDGE (GSM) Global wireless standards

Slide 26: 

Mobile Wimax salient features

Slide 27: 

General packet Radio Services Enhanced Data Rates for GSM Evolution Evolution Data optimized (Only) Wimax speed

Slide 28: 

Security… EAP authentication, Encryption with AES-CCM,CMAC Authentication mode,X.509 certificates, Key Binding, Device and User authentication capability

Slide 29: 

Conclusion

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WiMax is an alternative to cable and DSL for last-mile broadband access Developing countries Rural areas Provide high-speed mobile data and telecommunications services. Let us conclude…

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“A journey of a thousand sites begins with a single click Full effort is full victory .” Its time for small Demo

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Pervasive Computing IEEE Pervasive Computing Magazine Intelligent Environment http://www.media.mit.edu/ http://cooltown.hp.com/ http://portolano.cs.washington.edu/ http://www.firstmonday.dk/issues/issue4_9/odlyzko/ Wearable Computers http://www.redwoodhouse.com/wearable/ http://iswc.gatech.edu/archives.htm Wireless communications http://www.wirelessdevnet.com/ Mobile computing http://computer.org/dsonline/ http://www.mobileinfo.com http://www.comp.lancs.ac.uk/computing/research/mpg/most Bibliography

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Thank You very much….. Create Knowledge Structure Knowledge Disseminate Knowledge Apply Knowledge Assimilate Knowledge Seminar - Knowledge Sharing And Acquiring Environment Apply Knowledge Assimilate Knowledge Disseminate Knowledge Apply Knowledge Assimilate Knowledge Structure Knowledge Disseminate Knowledge Apply Knowledge Assimilate Knowledge Create Knowledge Structure Knowledge Disseminate Knowledge Apply Knowledge Assimilate Knowledge

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Thank You

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