Mobile broadband backhaul-Addressing the challenge

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1、Planningbackhaulnetworks4Mobilebroadbandbackhaul:AddressingthechallengeCostconsiderationsarethekeydecision-makingcriteriaforplanningbackhaulnetworks.Thesuccessofmobilebroadbandcallsforchangestoradioaccessandbackhaulnetworkarchitectures.Andtechnicaladaptatio

2、nisneededalongsidethesupportofnewbusinessmodels.RajeshChunduRycoveragearea(Figure1).ThetransportLowradioaccessnetwork(LRAN)–thatnetwork,whichinterconnectsthenet-is,thecellsiteaccesspartoftheRANThearticlegivesanoverarchingworkcontrollerandthecorenetworkbackh

3、aul,whichtypicallyincludesmulti-perspectiveonbackhaulforthe(circuit,packetorboth),isreferredtoasplephysicalaccesstechnologies(micro-thecoretransportnetwork.Somedefi-wave,copperandfiber)1radionetwork.Proceedingfrom;andindividualoperatorrequirements,nitionsin

4、theindustryextendthedefi-Highradioaccessnetwork(HRAN)–itexaminesthemainarchitec-nitionofabackhaulnetworktoincludethatis,thepartofthenetworkthatcol-turalandtechnologychoicesthecoretransportnetwork;thisarticlelects,aggregatesandconcentratestraf-andsuggestsapa

5、thforevolvingdoesnot.ficfromLRANforconnectingintothetowardpackettransport.Backhaulisalsosometimesreferredradiocontrollers.Thispartofthenet-toasfirstmileandlastmile(firstmileworkiscommonlybasedonopticalfiberWhatisbackhaul?fromafixedorwirelineperspective,netw

6、orkinginfrastructure.Thebackhaulenvironmentisthepartandlastmilefromawirelessormobileofamobilenetworkthatconnectsbaseperspective).Toavoidconfusion,thisWhynext-generationbackhaul?stationstonetworkcontrollerswithinaarticleintroducestwonewterms:High-speedpacket

7、access(HSPA)sub-scribergrowthandincreasedusageofmobilemultimediaservicesaredrivingthesuccessofmobilebroadbandaroundBOXATermsandabbreviationstheworld.ThisseriouscomplementtofixedbroadbandhasbecomeasourceCESRCarrierEthernetswitchrouterNTPNetworktimeprotocolof

8、newrevenuestreamsformobilenet-DSCPDifferentiatedservicescodepointOCxOpticalcarrierlevelx(forexample,OC3)workoperators.Indeed,theincreaseDSLDigitalsubscriberlineOSIOpensystemsinterconnectionindatatraffi