umts blocking

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1 2 3 Parameter ulHwAdm from 100 to 95 Cons 1 2 3 ulHwAdm from 100 to 95 4 sf4AdmUl Sno Congestion type Congestion due to lack of CE Congestion due to lack of CE Congestion due to lack of CE rateSelectionPsInterac tive.dlPrefRate rateSelectionPsInterac tive.ulPrefRate Changed Suggestion from 64 to 16 from 64 to 16 Pros Decresing from 64 to 16 More user can be supported as less CE consumption Decresing from 64 to 16 More user can be supported as less CE consumption If we decrease Blocking due to UL HW will be feasibly monitored Intial user throughput will be effected Intial user throughput will be effected None lack of Channel Element rateSelectionPsInter active.dlPrefRate from 64 to 16 supported as less CE consumption throughput will be effected lack of Channel Element rateSelectionPsInter active.ulPrefRate from 64 to 16 supported as less CE consumption throughput will be effected lack of Channel Element HW will be feasibly monitored None lack of Channel Element from 4 to 0 reduce CE utilization

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Causes of blocking in UMTS

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Sheet1Sno123456789101112131415Congestion typeCongestion due to lack of CECongestion due to lack of CECongestion due to lack of CECongestion due to lack of CECongestion due to lack of CECongestion due to lack of CECongestion due to lack of CECongestion due to lack of Downlink powerCongestion due to lack of Downlink powerCongestion due to lack of Downlink powerCongestion due to lack of Downlink powerCongestion due to lack of Dl channel codeCongestion due to lack of Dl channel codeCongestion due to lack ofUL ASECongestion due to lack ofDL ASEParameterrateSelectionPsInteractive.dlPrefRaterateSelectionPsInteractive.ulPrefRateulHwAdmsf4AdmUlcompModeAdmsf8AdmUleulMaxRotCoveragepwrAdmpwrAdmdirectedRetryTargetprimaryCpichPowernumHsPdschCodesdlCodeAdmaseUlAdmaseDlAdmChanged Suggestionfrom 64 to 16from 64 to 16from 100 to 95from 4 to 0from 16 to 12from 8 to 0from 150 to 350from 75 to 85from 15 to 14Enable to co located GSM cellfrom 330 to 320 or 300from 5 to 2from 80 to 90from 150 to 500from 150 to 500ProsDecresing from 64 to 16 More user can be supported as less CE consumptionDecresing from 64 to 16 More user can be supported as less CE consumptionIf we decrease Blocking due to UL HW will be feasibly monitoredMore user can be supported as it will reduce CE utilizationLess CE utilization as less no of UE can enter in compress modeMore user can be supported as it will reduce CE utilizationMore user can be supported in UL as UL RSSI limitation of Site is increasedIncreasing power adm will increase more Guranteed and non guranteed userIncreasing power offset will increase more Guranteed user / Guranteed handovercan reduce congestion of CS servicesMore power can be used in DLDecresing from 5 to 2 more user can be supported and blocking will be reducedIncreasing DL code adm will allow more userCan support more user in ULCan support more user in DLConsIntial user throughput will be effectedIntial user throughput will be effectedNoneIt will limit user of that SFIt can cause drop due to IRAT and IRAT failureIt will limit user of that SFAllowing more user in High RSSI can lead to poor accessibility and DCRIncreasing power adm will decrease Guranteed user / guranteed handoverPower reserved for power control will be lessCan be used for voice services only not PSCoverage will be reducedUser HS throughput will be lessCannot be increased after limit as it will cause code tree blockingHigh RSSI in UL can cause high drop and poor accessibilityHigh DL interfernce and UL intefernce

1Congestion due to lack of Channel ElementrateSelectionPsInteractive.dlPrefRatefrom 64 to 16Decresing from 64 to 16 More user can be supported as less CE consumptionIntial user throughput will be effected2Congestion due to lack of Channel ElementrateSelectionPsInteractive.ulPrefRatefrom 64 to 16Decresing from 64 to 16 More user can be supported as less CE consumptionIntial user throughput will be effected3Congestion due to lack of Channel ElementulHwAdmfrom 100 to 95If we decrease Blocking due to UL HW will be feasibly monitoredNone4Congestion due to lack of Channel Elementsf4AdmUlfrom 4 to 0More user can be supported as it will reduce CE utilizationIt will limit user of that SF5Congestion due to lack of Channel ElementcompModeAdmfrom 16 to 12Less CE utilization as less no of UE can enter in compress modeIt can cause drop due to IRAT and IRAT failure6Congestion due to lack of Channel Elementsf8AdmUlfrom 8 to 0More user can be supported as it will reduce CE utilizationIt will limit user of that SF7Congestion due to lack of Channel ElementeulMaxRotCoveragefrom 150 to 350More user can be supported in UL as UL RSSI limitation of Site is increasedAllowing more user in High RSSI can lead to poor accessibility and DCR8Congestion due to lack of Downlink powerpwrAdmfrom 75 to 85Increasing power adm will increase more Guranteed and non guranteed userIncreasing power adm will decrease Guranteed user / guranteed handover9Congestion due to lack of Downlink powerpwrAdmfrom 15 to 14Increasing power offset will increase more Guranteed user / Guranteed handoverPower reserved for power control will be less10Congestion due to lack of Downlink powerdirectedRetryTargetEnable to co located GSM cellcan reduce congestion of CS servicesCan be used for voice services only not PS11Congestion due to lack of Downlink powerprimaryCpichPowerfrom 330 to 320 or 300More power can be used in DLCoverage will be reduced12Congestion due to lack of Dl channel codenumHsPdschCodesfrom 5 to 2Decresing from 5 to 2 more user can be supported and blocking will be reducedUser HS throughput will be less13Congestion due to lack of Dl channel codedlCodeAdmfrom 80 to 90Increasing DL code adm will allow more userCannot be increased after limit as it will cause code tree blocking14Congestion due to lack ofUL ASEaseUlAdmfrom 150 to 500Can support more user in ULHigh RSSI in UL can cause high drop and poor accessibility15Congestion due to lack ofDL ASEaseDlAdmfrom 150 to 500Can support more user in DLHigh DL interfernce and UL intefernce

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