重慶聯(lián)通城域網(wǎng)建設方案研究.pdf

1、重慶大學碩士學位論文重慶聯(lián)通城域網(wǎng)建設方案研究姓名：倪爾國申請學位級別：碩士專業(yè)：通信與信息系統(tǒng)指導教師：吳資玉龍永明20050301重慶大學工程碩士學位論文英文摘要IIABSTRACTThistextisbasedoncommunicationwkofCHINAUNICOMinChongqinggoonsufficientanalysistoCHINAUNICOMcitywkperfmancebusinessputfwardtheco

2、ncretewkingconstructionscheme.Thefulltextisdividedinto6parts:Introductioncitylwkbusinessanalysiswkcapacitydemanalysiswkcurrentsituationanalysistechnologychoiceplanningprinciplesconcretewkingscheme.Theexistingmainaccessbu

3、sinesstypeoflofCHINAUNICOMcityisasfollowsbasicspeechbusinessWLANbusinessIntersbusinessVPNbusiness3Gbusinessvalueaddedserviceetc...Havepointedoutthattransmitsalreadybecomesthetrendwhichisbuiltthetransmissioninintegratedse

4、rvice.OnelayerofcapacityneededatpresentofceofUnicom’swkhasalreadyexceededthecapacityofcycleof10Gneedtoofferthecapacityof2310Gcyclesnow.Thedevelopmentwhichassembleslayershouldbedevelopedtothestructureofmuchringsensureingt

5、heaccessnearbyoflayer.TraditionalGSMisdevelopedslowlyatpresentonlyneedstodosmallsizeconstruction.CwkisthefocalpointthatCHINAUNICOMdevelopsatpresentCwkbasestationpresentdemis122Msconsiderthatdevelopsinthefollowing23yearst

6、hewebsiteoftheurbanareaCwkneeds342Msthesuburbneeds232Ms.CHINAUnicom’sexistingwkregardsGCtransmissionChinaofNOKIAastheltransmissionofthecityasthemainfactbutonesownquestionthattwokindsofwksbothexist.GCtransmissionofNOKIAwk

7、productsunabletosupptmanybusinesstransmitnownotMSTPproductunabletoupgrade.Onlyassemblingonassembleaccesslayerinwkstructurethereisnocelayeritisunabletomeetdemsofwkdevelopment.Capacityofwkislittleunabletomeetbusinessdevelo

8、prequirementsftransmissionwkdispatchersacteristicofpointtopointinwkisbadunabletomeetdispatchersacteristic.ThepotentialsafetyhazardexistsftheltransmissionofthecityofHuaweiitdonotpossessMADMfunctionoftwolayersthebusinessex