it's arnav wimax
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1 Bhagwat V.S.Bhosale R.J.
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WiMAX overviewMarketTechnology
Standard updateWiMAX architecture
Network architectureOFDMMAC/PHY
Summary
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End-user are used to high bandwidth from fixedsources
Expects the same behaviour from wirelessThe initial launch of WCDMA has not been a success
~30 million subscriber where half in NTT DoCoMo NW
2/3 of the subscriber added as late as 2005Initial 3G promises far from fulfilled (wireless video, coverage,etc)
A need for speed required from existing telcooperators
Afraid of being left behindCompeting with wireless MAN providerNeeds to be prepared for future growth of data trafficProtect their 3G investment
A need for lower rural coverage cost
kings Page 3
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A specification of 915 pages accepted in 2004. Amember of the IEEE802 family of specifications.IEEE802.16-2004 include P2P, P2MP and mesh accessnetworks2-11GHz NLOS 10-66 GHz LOSDuring 2005 IEEE 802.16e includes mobility.During 2005 MIB standardized as well
IEEE802.16 is supported by the industry groupWiMAXIEEE802.11 is supported by the industry group WiFi
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CostLower equipment cost for WiMAX due to certified products (comparewith WiFi)WiMAX require new infrastructure while HSPA rides on UMTS
Coverage
Roughly the same coverage (average ~5 km)Performance
Roughly the same performance (average ~2 Mb/s per user)Market window
HSDPA launches in 2006 while HSUPA will come in 2008?
WiMAX standard set end of 2005 -> first products in 2007AcceptanceHSPA has a higher acceptance with mobile operator
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NSP
NAP
R1 R3
MSS
R2
ASN CSN
ASP Netw ork ORInternet
R4
Another ASN
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Standard for WiMAX mobile solution not finalizedyetNo products certified by WiMAX forum yet
Test network in Skellefte shows promising resultsAccording to analysts WiMAX will take significantmarket shares
Which standard will rule next generationbroadband wireless?
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