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<!-- DFIN ActiveDisclosure(SM) XBRL Schema Document - http://www.dfinsolutions.com/ -->
<!-- Creation Date      : 2021-05-05T16:31:53.3715579+00:00 -->
<!-- Version            : 5.0.1.615 -->
<!-- Package ID         : 919a0c639eec4a32af59e5e8f03d4824 -->
<!-- Copyright (c) 2021 Donnelley Financial Solutions, Inc. All Rights Reserved. -->
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  <xsd:element id="unit_AdjustedEarningsBeforeInterestTaxesDepreciationAndAmortization" name="AdjustedEarningsBeforeInterestTaxesDepreciationAndAmortization" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit" />
  <xsd:element id="unit_SegmentReportingInformationOtherIncomeExpenseNet" name="SegmentReportingInformationOtherIncomeExpenseNet" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit" />
  <xsd:element id="unit_TransactionRelatedAndOtherCosts" name="TransactionRelatedAndOtherCosts" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit" />
  <xsd:element id="unit_AdjustmentsForEquityInEarningsFromUnconsolidatedEntities" name="AdjustmentsForEquityInEarningsFromUnconsolidatedEntities" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit" />
  <xsd:element id="unit_IntangibleLiabilitiesNet" name="IntangibleLiabilitiesNet" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit" />
  <xsd:element id="unit_FinanceLeaseLiabilityExcludingFinanceLeaseObligationsInHeldForSale" name="FinanceLeaseLiabilityExcludingFinanceLeaseObligationsInHeldForSale" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit" />
  <xsd:element id="unit_NonControllingInterestInCumulativeNonVotingNotMandatorilyRedeemableConvertiblePreferredStock" name="NonControllingInterestInCumulativeNonVotingNotMandatorilyRedeemableConvertiblePreferredStock" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit" />
  <xsd:element id="unit_CumulativeNonVotingConvertiblePreferredStockStatedOrParValue" name="CumulativeNonVotingConvertiblePreferredStockStatedOrParValue" type="num:perShareItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" />
  <xsd:element id="unit_CumulativeNonVotingConvertiblePreferredSharesAuthorized" name="CumulativeNonVotingConvertiblePreferredSharesAuthorized" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" />
  <xsd:element id="unit_CumulativeNonVotingConvertiblePreferredSharesIssued" name="CumulativeNonVotingConvertiblePreferredSharesIssued" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" />
  <xsd:element id="unit_CumulativeNonVotingConvertiblePreferredSharesOutstanding" name="CumulativeNonVotingConvertiblePreferredSharesOutstanding" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" />
  <xsd:element id="unit_OperatingExpenseExclusiveOfDepreciationAndAmortization" name="OperatingExpenseExclusiveOfDepreciationAndAmortization" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit" />
  <xsd:element id="unit_LeasingMember" name="LeasingMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="unit_FiberInfrastructureMember" name="FiberInfrastructureMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="unit_TowerSegmentMember" name="TowerSegmentMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="unit_ConsumerCLECSegmentMember" name="ConsumerCLECSegmentMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="unit_OtherComprehensiveIncomeLossInterestRateSwapTerminationNetOfTax" name="OtherComprehensiveIncomeLossInterestRateSwapTerminationNetOfTax" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit" />
  <xsd:element id="unit_CumulativeNonVotingConvertiblePreferredStock" name="CumulativeNonVotingConvertiblePreferredStock" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit" />
  <xsd:element id="unit_NoncontrollingInterestNoncontrollingInterestNonVotingPreferredSharesMember" name="NoncontrollingInterestNoncontrollingInterestNonVotingPreferredSharesMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="unit_InterestRateSwapTermination" name="InterestRateSwapTermination" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit" />
  <xsd:element id="unit_EquityMethodInvestmentDistributionsOfCumulativeEarnings" name="EquityMethodInvestmentDistributionsOfCumulativeEarnings" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit" />
  <xsd:element id="unit_CashPaidForInterestRateSwapSettlement" name="CashPaidForInterestRateSwapSettlement" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit" />
  <xsd:element id="unit_AccretionOfSettlementObligation" name="AccretionOfSettlementObligation" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit" />
  <xsd:element id="unit_PaymentOfSettlementObligation" name="PaymentOfSettlementObligation" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit" />
  <xsd:element id="unit_PaymentsOfContingentConsideration" name="PaymentsOfContingentConsideration" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit" />
  <xsd:element id="unit_PaymentOfTenderPremium" name="PaymentOfTenderPremium" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit" />
  <xsd:element id="unit_TenantCapitalImprovements" name="TenantCapitalImprovements" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit" />
  <xsd:element id="unit_LeasesDisclosureTextBlock" name="LeasesDisclosureTextBlock" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xsd:element id="unit_GoodwillAndIntangibleAssetsAndLiabilitiesDisclosureTextBlock" name="GoodwillAndIntangibleAssetsAndLiabilitiesDisclosureTextBlock" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xsd:element id="unit_GoodwillAndIntangibleAssetsAndLiabilitiesDisclosureAbstract" name="GoodwillAndIntangibleAssetsAndLiabilitiesDisclosureAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="unit_ScheduleOfLessorUnderlyingAssetForOperatingLeaseTableTextBlock" name="ScheduleOfLessorUnderlyingAssetForOperatingLeaseTableTextBlock" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xsd:element id="unit_ScheduleOfLessorDepreciationExpenseForUnderlyingAssetsForOperatingLeases" name="ScheduleOfLessorDepreciationExpenseForUnderlyingAssetsForOperatingLeases" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xsd:element id="unit_SummaryOfLesseeAmountsReportedInCondensedConsolidatedBalanceSheetsForLeasesTableTextblock" name="SummaryOfLesseeAmountsReportedInCondensedConsolidatedBalanceSheetsForLeasesTableTextblock" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xsd:element id="unit_ScheduleOfSupplementalCashFlowInformationRelatedToLeasesTableTextBlock" name="ScheduleOfSupplementalCashFlowInformationRelatedToLeasesTableTextBlock" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xsd:element id="unit_ScheduleOfFutureLeasePaymentsUnderNonCancellableOperatingAndFinanceLeasesTableTextBlock" name="ScheduleOfFutureLeasePaymentsUnderNonCancellableOperatingAndFinanceLeasesTableTextBlock" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xsd:element id="unit_ScheduleOfFutureMinimumSubleaseRentalTableTextBlock" name="ScheduleOfFutureMinimumSubleaseRentalTableTextBlock" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xsd:element id="unit_OffsettingDerivativeAssetsAndLiabilitiesTableTextBlock" name="OffsettingDerivativeAssetsAndLiabilitiesTableTextBlock" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xsd:element id="unit_ScheduleOfIntangibleAssetsTableTextBlock" name="ScheduleOfIntangibleAssetsTableTextBlock" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xsd:element id="unit_OrganizationAndDescriptionOfBusinessLineItems" name="OrganizationAndDescriptionOfBusinessLineItems" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="unit_OrganizationAndDescriptionOfBusinessTable" name="OrganizationAndDescriptionOfBusinessTable" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="unit_UnitiGroupLPMember" name="UnitiGroupLPMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="unit_SummaryOfSignificantAccountingPoliciesLineItems" name="SummaryOfSignificantAccountingPoliciesLineItems" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="unit_SummaryOfSignificantAccountingPoliciesTable" name="SummaryOfSignificantAccountingPoliciesTable" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="unit_ExchangeableSeniorUnsecuredNotesMember" name="ExchangeableSeniorUnsecuredNotesMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="unit_LitBackhaulMember" name="LitBackhaulMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="unit_EnterpriseAndWholesaleMember" name="EnterpriseAndWholesaleMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="unit_ERateAndGovernmentMember" name="ERateAndGovernmentMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="unit_OtherRevenueGeneratingActivityMember" name="OtherRevenueGeneratingActivityMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="unit_ContractWithCustomerLeaseReceivables" name="ContractWithCustomerLeaseReceivables" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit" />
  <xsd:element id="unit_ContractWithCustomerReceivables" name="ContractWithCustomerReceivables" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit" />
  <xsd:element id="unit_RevenueRecognitionLineItems" name="RevenueRecognitionLineItems" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="unit_RevenueRecognitionTable" name="RevenueRecognitionTable" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="unit_RevenueRemainingPerformanceObligationContractsThatBeingInvoicedMonthly" name="RevenueRemainingPerformanceObligationContractsThatBeingInvoicedMonthly" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit" />
  <xsd:element id="unit_RevenueRemainingPerformanceObligationBacklogForSalesBookings" name="RevenueRemainingPerformanceObligationBacklogForSalesBookings" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit" />
  <xsd:element id="unit_RevenueRemainingPerformanceObligationBacklogExpectedTimingOfSatisfactionPeriod" name="RevenueRemainingPerformanceObligationBacklogExpectedTimingOfSatisfactionPeriod" type="xbrli:durationItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xsd:element id="unit_LessorOperatingLeaseTermination" name="LessorOperatingLeaseTermination" type="xbrli:durationItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xsd:element id="unit_LeasesLineItems" name="LeasesLineItems" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="unit_LeasesTable" name="LeasesTable" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="unit_WindstreamMember" name="WindstreamMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="unit_LessorUnderlyingAssetsOperatingLeaseGross" name="LessorUnderlyingAssetsOperatingLeaseGross" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit" />
  <xsd:element id="unit_LessorUnderlyingAssetsOperatingLeaseAccumulatedDepreciation" name="LessorUnderlyingAssetsOperatingLeaseAccumulatedDepreciation" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit" />
  <xsd:element id="unit_PolesMember" name="PolesMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="unit_FiberMember" name="FiberMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="unit_CopperMember" name="CopperMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="unit_ConduitMember" name="ConduitMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="unit_TowerAssetsMember" name="TowerAssetsMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="unit_AssetsHeldUnderFinanceLeaseMember" name="AssetsHeldUnderFinanceLeaseMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="unit_DisposalGroupIncludingDiscontinuedOperationAssetsUnderOperatingLeases" name="DisposalGroupIncludingDiscontinuedOperationAssetsUnderOperatingLeases" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit" />
  <xsd:element id="unit_UnitiFiberNortheastOperationsAndDarkFiberIRUContractsMember" name="UnitiFiberNortheastOperationsAndDarkFiberIRUContractsMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="unit_DepreciationExpenseForUnderlyingAssetsUnderOperatingLeases" name="DepreciationExpenseForUnderlyingAssetsUnderOperatingLeases" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit" />
  <xsd:element id="unit_LesseeOperatingLeaseTermination" name="LesseeOperatingLeaseTermination" type="xbrli:durationItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xsd:element id="unit_FinanceLeaseCost" name="FinanceLeaseCost" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit" />
  <xsd:element id="unit_FinanceLeaseAbstract" name="FinanceLeaseAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="unit_WeightedAverageRemainingLeaseTermAbstract" name="WeightedAverageRemainingLeaseTermAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="unit_WeightedAverageDiscountRateAbstract" name="WeightedAverageDiscountRateAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="unit_DisposalGroupIncludingDiscontinuedOperationsRightOfUseAssetsNet" name="DisposalGroupIncludingDiscontinuedOperationsRightOfUseAssetsNet" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit" />
  <xsd:element id="unit_DisposalGroupIncludingDiscontinuedOperationLeaseLiabilities" name="DisposalGroupIncludingDiscontinuedOperationLeaseLiabilities" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit" />
  <xsd:element id="unit_DisposalGroupIncludingDiscontinuedOperationFinanceLeaseAssets" name="DisposalGroupIncludingDiscontinuedOperationFinanceLeaseAssets" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit" />
  <xsd:element id="unit_DisposalGroupIncludingDiscontinuedOperationsFinanceLeaseObligations" name="DisposalGroupIncludingDiscontinuedOperationsFinanceLeaseObligations" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit" />
  <xsd:element id="unit_NonCashOperatingLeaseAndReMeasurementsNet" name="NonCashOperatingLeaseAndReMeasurementsNet" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit" />
  <xsd:element id="unit_NonCashFinanceLease" name="NonCashFinanceLease" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit" />
  <xsd:element id="unit_CashPaidForAmountsIncludedInMeasurementOfLeaseLiabilitiesAbstract" name="CashPaidForAmountsIncludedInMeasurementOfLeaseLiabilitiesAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="unit_NonCashItemsAbstract" name="NonCashItemsAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="unit_LessorSubleasePaymentsToBeReceivedRemainderOfFiscalYear" name="LessorSubleasePaymentsToBeReceivedRemainderOfFiscalYear" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit" />
  <xsd:element id="unit_LessorSubleasePaymentsToBeReceivedDueNextTwelveMonths" name="LessorSubleasePaymentsToBeReceivedDueNextTwelveMonths" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit" />
  <xsd:element id="unit_LessorSubleasePaymentsToBeReceivedDueYearTwo" name="LessorSubleasePaymentsToBeReceivedDueYearTwo" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit" />
  <xsd:element id="unit_LessorSubleasePaymentsToBeReceivedDueYearThree" name="LessorSubleasePaymentsToBeReceivedDueYearThree" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit" />
  <xsd:element id="unit_LessorSubleasePaymentsToBeReceivedDueYearFour" name="LessorSubleasePaymentsToBeReceivedDueYearFour" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit" />
  <xsd:element id="unit_LessorSubleasePaymentsToBeReceivedDueYearThereafter" name="LessorSubleasePaymentsToBeReceivedDueYearThereafter" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit" />
  <xsd:element id="unit_LessorSubleasePaymentsToBeReceivedDue" name="LessorSubleasePaymentsToBeReceivedDue" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit" />
  <xsd:element id="unit_LeaseAgreementsTerm" name="LeaseAgreementsTerm" type="xbrli:durationItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xsd:element id="unit_ManagementFeeReceivable" name="ManagementFeeReceivable" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit" />
  <xsd:element id="unit_AnnualEscalator" name="AnnualEscalator" type="num:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" />
  <xsd:element id="unit_EverstreamSolutionsLLCMember" name="EverstreamSolutionsLLCMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="unit_UnitiFiberNortheastOperationsAndCertainDarkFiberIndefeasibleRightsOfUseContractsMember" name="UnitiFiberNortheastOperationsAndCertainDarkFiberIndefeasibleRightsOfUseContractsMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="unit_IndefeasibleRightsOfUseLeaseAgreementsMember" name="IndefeasibleRightsOfUseLeaseAgreementsMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="unit_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationsLeaseLiabilities" name="LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationsLeaseLiabilities" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit" />
  <xsd:element id="unit_DisposalGroupIncludingDiscontinuedOperationsIntangibleLiabilitiesNet" name="DisposalGroupIncludingDiscontinuedOperationsIntangibleLiabilitiesNet" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit" />
  <xsd:element id="unit_BBFiberHoldingsLLCMember" name="BBFiberHoldingsLLCMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="unit_HarmoniTowersLPMember" name="HarmoniTowersLPMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="unit_VariableInterestEntityWithLongTermTripleNetLease" name="VariableInterestEntityWithLongTermTripleNetLease" type="num:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xsd:element id="unit_VariableInterestEntityEconomicInterestPercentage" name="VariableInterestEntityEconomicInterestPercentage" type="num:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xsd:element id="unit_TransitionServiceFeesEarned" name="TransitionServiceFeesEarned" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit" />
  <xsd:element id="unit_SevenPointEightSevenFivePercentageSeniorSecuredNotesDueFebruaryFifteenTwoThousandTwentyFiveMember" name="SevenPointEightSevenFivePercentageSeniorSecuredNotesDueFebruaryFifteenTwoThousandTwentyFiveMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="unit_SixPercentageSeniorSecuredNotesDueAprilFifteenTwoThousandTwentyThreeMember" name="SixPercentageSeniorSecuredNotesDueAprilFifteenTwoThousandTwentyThreeMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="unit_SixPointFiveZeroPercentageSeniorUnsecuredNotesDueFebruaryFifteenTwoThousandTwentyNineMember" name="SixPointFiveZeroPercentageSeniorUnsecuredNotesDueFebruaryFifteenTwoThousandTwentyNineMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="unit_EightPointTwoFivePercentageSeniorUnsecuredNotesDueOctoberFifteenTwoThousandTwentyThreeMember" name="EightPointTwoFivePercentageSeniorUnsecuredNotesDueOctoberFifteenTwoThousandTwentyThreeMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="unit_SevenPointOneTwoFivePercentageSeniorUnsecuredNotesDueDecemberFifteenTwoThousandTwentyFourMember" name="SevenPointOneTwoFivePercentageSeniorUnsecuredNotesDueDecemberFifteenTwoThousandTwentyFourMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="unit_SeniorSecuredRevolvingCreditFacilityMember" name="SeniorSecuredRevolvingCreditFacilityMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="unit_FourPercentageExchangeableSeniorNotesDueJuneFifteenTwoThousandTwentyFourMember" name="FourPercentageExchangeableSeniorNotesDueJuneFifteenTwoThousandTwentyFourMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="unit_FourPercentageExchangeableSeniorUnsecuredNotesDueJuneFifteenTwoThousandTwentyFourMember" name="FourPercentageExchangeableSeniorUnsecuredNotesDueJuneFifteenTwoThousandTwentyFourMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="unit_DebtInstrumentOriginalMaturityDate" name="DebtInstrumentOriginalMaturityDate" type="xbrli:dateItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xsd:element id="unit_TowerCloudIncMember" name="TowerCloudIncMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="unit_PaymentsOfCashWillBeMadeInCaseOfEmergenceFromBankruptcy" name="PaymentsOfCashWillBeMadeInCaseOfEmergenceFromBankruptcy" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit" />
  <xsd:element id="unit_NumberOfInstallments" name="NumberOfInstallments" type="xbrli:integerItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xsd:element id="unit_PaymentsOfFinalRemainingMilestone" name="PaymentsOfFinalRemainingMilestone" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit" />
  <xsd:element id="unit_FinanceLeaseAssetsMember" name="FinanceLeaseAssetsMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="unit_CorporateAssetsMember" name="CorporateAssetsMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="unit_OffsettingAssetsAndLiabilitiesLineItems" name="OffsettingAssetsAndLiabilitiesLineItems" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="unit_OffsettingAssetsAndLiabilitiesTable" name="OffsettingAssetsAndLiabilitiesTable" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="unit_ClassOfWarrantOrRightOfWarrantsOrRightsExpiringMonthAndYear" name="ClassOfWarrantOrRightOfWarrantsOrRightsExpiringMonthAndYear" type="xbrli:gYearMonthItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xsd:element id="unit_ScheduleOfIndefiniteAndFiniteLivedIntangibleAssetsAndLiabilitiesLineItems" name="ScheduleOfIndefiniteAndFiniteLivedIntangibleAssetsAndLiabilitiesLineItems" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="unit_ScheduleOfIndefiniteAndFiniteLivedIntangibleAssetsAndLiabilitiesTable" name="ScheduleOfIndefiniteAndFiniteLivedIntangibleAssetsAndLiabilitiesTable" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="unit_FiniteLivedIntangibleLiabilitiesGross" name="FiniteLivedIntangibleLiabilitiesGross" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit" />
  <xsd:element id="unit_FiniteLivedIntangibleLiabilitiesAccumulatedAmortization" name="FiniteLivedIntangibleLiabilitiesAccumulatedAmortization" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit" />
  <xsd:element id="unit_FiniteLivedIntangibleLiabilitiesNet" name="FiniteLivedIntangibleLiabilitiesNet" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit" />
  <xsd:element id="unit_UnderlyingRightsMember" name="UnderlyingRightsMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="unit_BelowMarketLeasesMember" name="BelowMarketLeasesMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="unit_FiniteLivedIntangibleLiabilitiesRemainingAmortizationPeriod" name="FiniteLivedIntangibleLiabilitiesRemainingAmortizationPeriod" type="xbrli:durationItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xsd:element id="unit_SixPointFiveZeroPercentageUnsecuredNotesDueFebruaryTwentyFourTwoThousandTwentyNineMember" name="SixPointFiveZeroPercentageUnsecuredNotesDueFebruaryTwentyFourTwoThousandTwentyNineMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="unit_FourPercentageSeniorUnsecuredNotesDueJuneFifteenTwoThousandTwentyFourMember" name="FourPercentageSeniorUnsecuredNotesDueJuneFifteenTwoThousandTwentyFourMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="unit_DebtInstrumentsMaturityYear" name="DebtInstrumentsMaturityYear" type="xbrli:gYearItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xsd:element id="unit_NetLeverageRatio" name="NetLeverageRatio" type="num:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xsd:element id="unit_PercentageOfPayCashDividendsInExcessOfTaxableIncome" name="PercentageOfPayCashDividendsInExcessOfTaxableIncome" type="num:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xsd:element id="unit_UnitiGroupLPUnitiGroupFinanceTwoThousandNineteenIncAndCSLCapitalLLCMember" name="UnitiGroupLPUnitiGroupFinanceTwoThousandNineteenIncAndCSLCapitalLLCMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="unit_FourPointSevenFiveZeroPercentSeniorSecuredNotesDueTwoThousandTwentyEightMember" name="FourPointSevenFiveZeroPercentSeniorSecuredNotesDueTwoThousandTwentyEightMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="unit_CSLCapitalLLCMember" name="CSLCapitalLLCMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="unit_NonExtendedRevolvingCreditFacilityMember" name="NonExtendedRevolvingCreditFacilityMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="unit_ExtendedRevolvingCreditFacilityMember" name="ExtendedRevolvingCreditFacilityMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="unit_LossOnRepaymentOfTenderedNotes" name="LossOnRepaymentOfTenderedNotes" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit" />
  <xsd:element id="unit_CashInterestExpense" name="CashInterestExpense" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit" />
  <xsd:element id="unit_RemainingUnamortizedDiscountAndDeferredFinanceCosts" name="RemainingUnamortizedDiscountAndDeferredFinanceCosts" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit" />
  <xsd:element id="unit_DebtInstrumentIssuedPercentOfPrincipalAmount" name="DebtInstrumentIssuedPercentOfPrincipalAmount" type="num:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xsd:element id="unit_DebtInstrumentAggregatePrincipalAmountRemainingOutstanding" name="DebtInstrumentAggregatePrincipalAmountRemainingOutstanding" type="num:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xsd:element id="unit_SecuredLeverageRatio" name="SecuredLeverageRatio" type="num:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" />
  <xsd:element id="unit_LeverageRatio" name="LeverageRatio" type="num:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" />
  <xsd:element id="unit_LineOfCreditFacilityUnusedCapacityCommitmentFeeDecreasePercentage" name="LineOfCreditFacilityUnusedCapacityCommitmentFeeDecreasePercentage" type="num:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xsd:element id="unit_ImpactOnConvertedDilutiveSecurities" name="ImpactOnConvertedDilutiveSecurities" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit" />
  <xsd:element id="unit_NonParticipatingSecuritiesMember" name="NonParticipatingSecuritiesMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="unit_QuarterlyCashPaymentsToBeMadeAfterEmergence" name="QuarterlyCashPaymentsToBeMadeAfterEmergence" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit" />
  <xsd:element id="unit_CommitmentsAndContingenciesLineItems" name="CommitmentsAndContingenciesLineItems" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="unit_CommitmentsAndContingenciesTable" name="CommitmentsAndContingenciesTable" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="unit_EquipmentLoanFacilitiesMember" name="EquipmentLoanFacilitiesMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="unit_SettlementAgreementToInvestGrowthCapitalImprovements" name="SettlementAgreementToInvestGrowthCapitalImprovements" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit" />
  <xsd:element id="unit_GrowthCapitalImprovementsExceptMaintenanceOrRepairExpendituresAndExpenditureTowardsCostsIncurredForFiberReplacements" name="GrowthCapitalImprovementsExceptMaintenanceOrRepairExpendituresAndExpenditureTowardsCostsIncurredForFiberReplacements" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit" />
  <xsd:element id="unit_AnnualReimbursementCommitmentsDueYearOneThroughFour" name="AnnualReimbursementCommitmentsDueYearOneThroughFour" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit" />
  <xsd:element id="unit_AnnualReimbursementCommitmentsDueYearFive" name="AnnualReimbursementCommitmentsDueYearFive" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit" />
  <xsd:element id="unit_AnnualReimbursementCommitmentsDueYearSix" name="AnnualReimbursementCommitmentsDueYearSix" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit" />
  <xsd:element id="unit_AnnualReimbursementCommitmentsDueYearSevenThroughNine" name="AnnualReimbursementCommitmentsDueYearSevenThroughNine" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit" />
  <xsd:element id="unit_GrowthCapitalImprovementsFundAnnualLimit" name="GrowthCapitalImprovementsFundAnnualLimit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit" />
  <xsd:element id="unit_ObligationsUnderTaxMattersAgreement" name="ObligationsUnderTaxMattersAgreement" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit" />
  <xsd:element id="unit_StockholdersEquityBalanceBeforeAdjustingForNoncontrollingInterest" name="StockholdersEquityBalanceBeforeAdjustingForNoncontrollingInterest" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit" />
  <xsd:element id="unit_AccumulatedInterestRateSwapTerminationIncludingNoncontrollingInterestMember" name="AccumulatedInterestRateSwapTerminationIncludingNoncontrollingInterestMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="unit_TwoThousandTwentyEightSecuredNotesMember" name="TwoThousandTwentyEightSecuredNotesMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="unit_FourPointSevenFiveZeroPercentageSeniorSecuredNotesDueAprilFifteenTwoThousandTwentyEightMember" name="FourPointSevenFiveZeroPercentageSeniorSecuredNotesDueAprilFifteenTwoThousandTwentyEightMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="unit_TwoThousandTwentyEightSecuredNotesDueAprilFifteenTwoThousandTwentyFourMember" name="TwoThousandTwentyEightSecuredNotesDueAprilFifteenTwoThousandTwentyFourMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="unit_DebtInstrumentNonGuarantorIssuanceApprovalPeriod" name="DebtInstrumentNonGuarantorIssuanceApprovalPeriod" type="xbrli:durationItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
</xsd:schema>
