2 LTE eRAN6.0 RAN Sharing for LTE Technology.pptx

LTE RAN Sharing

1. Page Revision Record Don’t Print This Page Course Code Product Product Version C ourse V ersion ISSUE OEO107350 LTE eRAN6.0 1.0 Developer/Modifier Time Approver New/ Update Liang Jie 234971 2013.8 Qin Wei 51687 New

2. LTE eRAN 3.0 RAN Sharing

3. References eRAN6.0 Feature Description Page 2

4. Objectives Upon completion of this course, you will be able to: Explain basic modes of LTE RAN sharing Outline the basic configuration of RAN sharing Explain the differences between common and dedicated carrier RAN sharing Page 3

5. Contents Overview Independent Operator Mode RAN Sharing with Common Carriers RAN Sharing with Dedicated Carriers Comparison Page 4

6. Overview Network sharing provides the following advantages for operators: Significantly reduced investment Accelerated network deployment Expanded network coverage The infrastructure that can be shared includes sites, equipment rooms, towers, and power suppliers. Network equipment that can be shared includes base stations, transmission equipment, and core network (CN) equipment. Page 5

7. Overview ( Cont. ) eNodeBs support the following RAN sharing modes: Independent operator mode : In this mode, the operators cannot share their RAN resources due to geographic factors but can share their RANs by allowing national roaming. RAN sharing with common carriers : operators share RAN resources, including carrier resources and eNodeB hardware resources RAN sharing with dedicated carriers : cell-level features are configured for each individual operator, and eNodeB-level features are shared between operators. Page 6

8. Overview ( Cont. ) MOD ENODEBSHARINGMODE Page 7

9. Independent Operator Mode In operator A's network (home network), operator A serves this user. After leaving operator A's network and roaming to operator B's network, operator B serves the user. Page 8 EPC Operator A eRAN Operator A eRAN Operator B EPC Operator B

10. Contents RAN Sharing with Common Carriers Primary and secondary operators EPC Selection Feature and Capacity Management Number of Active Users Traffic Volume Fair Sharing of Air Interface Resources Page 9

11. RAN Sharing with Common Carriers In RAN sharing with common carriers, the operators share RAN resources, including carrier resources and eNodeB hardware resources. This mode applies to the following scenarios: One operator is allocated with spectrum and can share the spectrum with others. Multiple operators are allocated with spectrum, and they can contribute their spectrum to form a resource pool. They can share the pool among themselves or with others who are not allocated with spectrum. Page 10

12. RAN Sharing with Common Carriers ( Cont. ) Page 11

13. Primary and secondary operators The type of an operator is specified by the CnOperatorType parameter in a CnOperator MO. The CnOperatorTa MO defines a TAC for an operator. The CellOp MO defines an operator for a cell. All operators of a cell must be configured with the same TAC. Specifically, the Tac parameters in the CnOperatorTa MOs must be set to the same value. These MOs are associated with the CellOp MOs of a cell through the TrackingAreaId parameter. Page 12

14. Primary and secondary operators - TAC Page 13

15. EPC Selection The UE notifies the eNodeB of the selected EPC after the radio resource control (RRC) connection setup is complete. The eNodeB then selects the corresponding S1 interface based on the PLMN ID selected by the UE. Page 14

16. Feature and Capacity Management In RAN sharing with common carriers, a license purchase order is placed by only one party. Each eNodeB still has only one license file, which specifies the total licensed limits for all RAN sharing operators, not for a specific operator. Page 15

17. Number of Active Users The active users of the eNodeB can be distributed among operators based on the proportions by using capacity control items in the license. The sum of proportions for all operators cannot be greater than 100%. Page 16

18. Traffic Volume When operators purchase the license containing the traffic volume control item, the total traffic volume can be allocated to operators based on the proportions specified below. If the parameter is set to SHARING(Sharing) , all operators share the total traffic volume of the eNodeB. Page 17

19. Traffic Volume ( Cont. ) MOD LICRATIO Set the traffic sharing type MOD LICRATIOSHAREPOLICY Set the portion of traffic of different operators Page 18

20. Fair Sharing of Air Interface Resources To ensure fair sharing of radio resources, the parameters below should be configured according to operators’ agreement. Page 19

21. RAN Sharing with Dedicated Carriers Page 20

22. RAN Sharing with Dedicated Carriers ( Cont. ) RAN sharing with dedicated carriers is transparent to UEs and EPCs because operators have their own cells and a shared eNodeB uses different identifiers to communicate with different EPCs. As a result, RAN sharing with dedicated carriers does not have additional requirements for UEs and EPCs. In RAN sharing with dedicated carriers, cell-level features are configured for each individual operator , and eNodeB-level features are shared between operators. Page 21

23. Comparison Page 22 　 Item Dedicated Carrier Mode Common Carrier Mode Protocol version 3GPP R8 3GPP R8 Feature deployment Independent Shared Network OAM Independent PM/FM/CM (cell level) Shared FM/CM, partly Independent PM Network adjustment Independent expansion, shared optimization Shared Carriers Independent Shared S1-flex deployment independent independent Transmission Shared or independent Shared or independent Quantity of Operators 4 4 Requirements on UE No No