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Mobile Network Sharing

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A short presentation looking at different ways in which mobile cellular network sharing is done. Different options including MORAN (Multiple Operator Radio Access Network), MOCN (Multiple Operator Core Network) and GWCN (Gateway Core Network) are discussed.

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Mobile Network Sharing

  1. 1. Mobile Network Sharing @3g4gUK
  2. 2. Site Sharing / Mast Sharing This is the most basic approach for infrastructure sharing ©3G4G CN CS/PS RNC NodeB Cell/ Frequency Site Sharing Service Platforms HSS/HLR CN CS/PS BTS BSC Cell/ Frequency Site Sharing Service Platforms HSS/HLR CN PS only eNodeB Cell/ Frequency Site Sharing Service Platforms HSS/HLR 2G 3G 4G Operator 1 Operator 2
  3. 3. Site Sharing example A row of cellular columns - 3 (now MBNL), O2 then Vodafone - O2 column has been upgraded, likely the new CTIL site. Source: Andy Sutton ©3G4G 3
  4. 4. Mast Sharing example Union Mill Mast - Isle of Man. A UHF PSB TV relay of Douglas on channels 46, 43 and 40. It also carries Sure and Manx Telecom signals. Source: Peter Clarke ©3G4G 4
  5. 5. Mast Sharing example A busy rooftop in Hawaii, an example of how complex site design is with multi-operators, multi-RATs & multi- bands... Source: Andy Sutton ©3G4G 5
  6. 6. MORAN: Multiple Operator Radio Access Network This approach is not defined by 3GPP ©3G4G CN CS/PS RNC NodeB Cell/ Frequency Service Platforms HSS/HLR CN CS/PS Cell/ Frequency Service Platforms HSS/HLR CN PS only eNodeB Cell/ Frequency MORAN Service Platforms HSS/HLR 2G 3G 4G Operator 1 Operator 2 Shared Elements MORAN MORAN BTS BSC
  7. 7. MOCN: Multiple Operator Core Network This approach is defined by 3GPP (Specs detail later) ©3G4G CN CS/PS RNC NodeB Cell/ Frequency Service Platforms HSS/HLR CN CS/PS Cell/ Frequency Service Platforms HSS/HLR CN PS only eNodeB Cell/ Frequency Service Platforms HSS/HLR 2G 3G 4G Operator 1 Operator 2 Shared Elements MOCN MOCN MOCN BTS BSC
  8. 8. MOCN Attach Procedure Signalling ©3G4G UE AN OP 1 OP 2 Access Network Core Networks OP1 CN broadcast information OP2 CN broadcast information System information messages (OP1, OP2) Hello, I am UE 1 Hello UE1, please use this channel <…> Thanks, I am all setup. Hello, I am UE 1. Want to Attach and let you know that I am now active (to OP2)
  9. 9. GWCN: Gateway Core Network This approach is defined by 3GPP (Specs detail later) ©3G4G CN CS/PS RNC NodeB Cell/ Frequency Service Platforms HSS/HLR CN CS/PS Cell/ Frequency Service Platforms HSS/HLR CN PS only eNodeB Cell/ Frequency Service Platforms HSS/HLR 2G 3G 4G Operator 1 Operator 2 Shared Elements GWCN GWCN GWCN BTS BSC
  10. 10. 3GPP Standards There are 2 main 3GPP specifications covering network sharing: •3GPP TR 22.951: Service aspects and requirements for network sharing • This technical report is aimed to capture the service and user requirements that must be fulfilled by the 3GPP system in order to enable network sharing in a standardised way. •3GPP TS 23.251: Network Sharing; Architecture and functional description • The present document covers the details of Network Sharing for GERAN, UTRAN and E-UTRAN. It shows how several core network operators can share one radio access network and details the impacts on the network architecture. All UEs shall comply with existing requirements, among them PLMN selection and system information reception. The present document also defines requirements for network-sharing supporting UEs. ©3G4G
  11. 11. Thank You To learn more, visit: 3G4G Website – http://www.3g4g.co.uk/ 3G4G Blog – http://blog.3g4g.co.uk/ 3G4G Small Cells Blog – http://smallcells.3g4g.co.uk/ Follow us on Twitter: https://twitter.com/3g4gUK Follow us on Linkedin: https://www.linkedin.com/company/3g4g ©3G4G
  12. 12. 4G Network Sharing Approaches ©3G4G CN PS only eNodeB Cell/ Frequency Service Platforms HSS/HLR Operator 1 Operator 2 Shared Elements GWCNSite Sharing MORAN MOCN Defined in 3GPP TS 23.251 and TR 22.951 Not defined by 3GPP standards

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