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Advanced: Private Networks & 5G Non-Public Networks

3G4G
3G4G

A detailed look at what is meant by private networks, why do we need them and why the sudden interest in them. Also discussed is the 3GPP defined 5G Non-Public Networks (NPN), they architecture, implementation, pros and cons. In addition RAN sharing and Campus Networks are also discussed with regards to where they fit in the private networks. All our #3G4G5G slides and videos are available at: Videos: https://www.youtube.com/3G4G5G Slides: https://www.slideshare.net/3G4GLtd 5G Page: https://www.3g4g.co.uk/5G/ Free Training Videos: https://www.3g4g.co.uk/Training/

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Private Networks & 5G Non-
Public Networks (NPNs)
@3g4gUK
Why Private Networks?
©3G4G
Improved Coverage High Security Privacy
Ultra Low Latency Ultra High Reliability Traffic Prioritization
Congestion
Management
Interference
Management
Cost Control
SNS Telecom Forecast, Oct 2019
©3G4G
• Expected to reach $4.7 Billion in annual spending by the end of 2020, private LTE and 5G networks
are increasingly becoming the preferred approach to deliver wireless connectivity for critical
communications, industrial IoT, enterprise & campus environments, and public venues. The market
will further grow at a CAGR of 19% between 2020 and 2023, eventually accounting for nearly $8
Billion by the end of 2023 (link)
Analyst Forecasts
©3G4G
• “Private LTE and 5G use by the oil and gas, mining, utilities, transportation, government
(including public safety) and manufacturing industries will significantly increase due to
the availability of new spectrum. The global private LTE/5G equipment and services
market is expected to triple by 2025 to about $10 billion” – Mobile Experts, Feb 2020
(link)
• “The demand for Private Campus Networks offers operators an opportunity for value
generation – we estimate the global market size to be €60-70bn by 2025.” – Arthur D.
Little, Feb 2019 (link)
• “By 2025, the private Long-Term Evolution (LTE) market comprising of healthcare,
transport and logistics, manufacturing, smart venues, smart cities, and oil and gas will be
worth US$16.3 billion with the vertical of transport and logistics being the largest among
those analyzed, representing 26.3% of the total market.” – ABI Research, Feb 2019 (link)
• “A recent study from Harbor Research indicated that the private LTE network market
could reach $17B (USD) by 2022.” – Qualcomm, May 2017 (link)
Nokia Boasts of 120+ Private Networks
©3G4G
Nokia is running 120+ private networks
including:
• 24 in transportation
• 35 in Energy
• 32 in public sector and smart cities
• 11 in manufacturing and logistics
Nokia said its current private wireless business
includes:
• 24 customers in transportation, including
Port of Kokkola, Port of Oulu and Vienna
Airport.
• 35 customers in Energy, including Minera Las
Bambas.
• 32 customers in public sector and smart
cities, including Sendai City and Nordic
Telecom/Czech Republic.
• 11 customers in manufacturing and logistics,
including China Unicom/BMW and
Ukkoverkot/Konecranes.
©3G4GSource: Qualcomm

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Advanced: Private Networks & 5G Non-Public Networks

  • 1. Private Networks & 5G Non- Public Networks (NPNs) @3g4gUK
  • 2. Why Private Networks? ©3G4G Improved Coverage High Security Privacy Ultra Low Latency Ultra High Reliability Traffic Prioritization Congestion Management Interference Management Cost Control
  • 3. SNS Telecom Forecast, Oct 2019 ©3G4G • Expected to reach $4.7 Billion in annual spending by the end of 2020, private LTE and 5G networks are increasingly becoming the preferred approach to deliver wireless connectivity for critical communications, industrial IoT, enterprise & campus environments, and public venues. The market will further grow at a CAGR of 19% between 2020 and 2023, eventually accounting for nearly $8 Billion by the end of 2023 (link)
  • 4. Analyst Forecasts ©3G4G • “Private LTE and 5G use by the oil and gas, mining, utilities, transportation, government (including public safety) and manufacturing industries will significantly increase due to the availability of new spectrum. The global private LTE/5G equipment and services market is expected to triple by 2025 to about $10 billion” – Mobile Experts, Feb 2020 (link) • “The demand for Private Campus Networks offers operators an opportunity for value generation – we estimate the global market size to be €60-70bn by 2025.” – Arthur D. Little, Feb 2019 (link) • “By 2025, the private Long-Term Evolution (LTE) market comprising of healthcare, transport and logistics, manufacturing, smart venues, smart cities, and oil and gas will be worth US$16.3 billion with the vertical of transport and logistics being the largest among those analyzed, representing 26.3% of the total market.” – ABI Research, Feb 2019 (link) • “A recent study from Harbor Research indicated that the private LTE network market could reach $17B (USD) by 2022.” – Qualcomm, May 2017 (link)
  • 5. Nokia Boasts of 120+ Private Networks ©3G4G Nokia is running 120+ private networks including: • 24 in transportation • 35 in Energy • 32 in public sector and smart cities • 11 in manufacturing and logistics Nokia said its current private wireless business includes: • 24 customers in transportation, including Port of Kokkola, Port of Oulu and Vienna Airport. • 35 customers in Energy, including Minera Las Bambas. • 32 customers in public sector and smart cities, including Sendai City and Nordic Telecom/Czech Republic. • 11 customers in manufacturing and logistics, including China Unicom/BMW and Ukkoverkot/Konecranes.
  • 11. Typical Mobile Network Architecture ©3G4G Voice (PSTN) Network Data (IP) Network PS Core CS Core Controller Nodes Access Network 2G/3G Only Access Network Core Network Air Interface Backhaul
  • 12. 3G Private Networks ©3G4G • Had to rely on Operator Core as the core was comparatively complex • Had to rely on Operator Spectrum • Limited Spectrum availability meant Indoor Networks relied on Small Cells • WCDMA was good in Interference Management • Users restricted by making cells closed (CSG – Closed Subscriber Group) • Other users would not be able to use the network while in the CSG cell, unless operator had other spectrum broadcasting • Really clunky approach, not deployed too much in practice unless used in off-shore deployments like Oil rigs, etc.
  • 13. Simplified PS Only Mobile Network Architecture ©3G4G Data (IP) Network PS Core Access Network Core Network Air Interface Backhaul
  • 14. Simplified LTE/4G Private Networks ©3G4G • Simplified Core was the main driver of Initial LTE Private Networks • It was possible to host a private EPC (4G Core) locally • This gave rise to 2 different approaches for remote/offshore deployments with satellite for backhaul or connectivity
  • 15. Simplified PS Only Mobile Network Architecture ©3G4G Data (IP) Network PS Core Access Network Core Network Air Interface Backhaul
  • 16. Simplified LTE/4G Private Networks ©3G4G • Simplified Core was the main driver of Initial LTE Private Networks • It was possible to host a private EPC (4G Core) locally • This gave rise to 2 different approaches for remote/offshore deployments with satellite for backhaul or connectivity • OFDMA Air Interface in LTE allowed much better interference management with the Macro Networks • Inter-cell Interference Coordination (ICIC) • Enhanced ICIC (eICIC)
  • 17. Typical Private LTE (P-LTE) Network ©3G4G • P-LTE typically consists of eNodeB, EPC & Content Server • There can be many other optional components including IMS • P-LTE can be used in many scenarios including Factories, PPDR (Public Protection and Disaster Relief), Enterprises, etc. EPC MME S-GWP-GW eNB IMS Content Server P-LTE Network In a Box HSS Internet
  • 19. 5G Deployment Options and Migration Strategy ©3G4G EPC 5GC (NGCN) SA NSA eNB EPC Option 1: SA LTE connected to EPC Option 2: SA NR connected to 5GC (Standalone) (Non-Standalone) [Dual Connectivity] ng-eNBgNB 5GC Option 5: SA LTE connected to 5GC Option 3: NSA LTE assisted NR connected to EPC Option 4: NSA NR assisted LTE connected to 5GC Option 7: NSA LTE assisted NR connected to 5GC Migration Strategy Option 1 ↗ Option 2 ↘ Option 3 Option 3 ↗ Option 7 ↘ Option 5 Option 3 ↗ Option 3 ↘ Option 2 Option 3 ↗ Option 4 ↘ Option 2 [EN-DC] [NE-DC] [NGEN-DC] 5GC 5GC gNB ng-eNB 5GC gNB ng-eNB EPC eNB en-gNB
  • 20. 5G Deployment Options and Migration Strategy ©3G4G EPC 5GC (NGCN) SA NSA eNB EPC Option 1: SA LTE connected to EPC Option 2: SA NR connected to 5GC (Standalone) (Non-Standalone) [Dual Connectivity] ng-eNBgNB 5GC Option 5: SA LTE connected to 5GC Option 3: NSA LTE assisted NR connected to EPC Option 4: NSA NR assisted LTE connected to 5GC Option 7: NSA LTE assisted NR connected to 5GC Migration Strategy Option 1 ↗ Option 2 ↘ Option 3 Option 3 ↗ Option 7 ↘ Option 5 Option 3 ↗ Option 3 ↘ Option 2 Option 3 ↗ Option 4 ↘ Option 2 [EN-DC] [NE-DC] [NGEN-DC] 5GC 5GC gNB ng-eNB 5GC gNB ng-eNB EPC eNB gNB Today – 4G Networks
  • 21. 5G Deployment Options and Migration Strategy ©3G4G EPC 5GC (NGCN) SA NSA eNB EPC Option 1: SA LTE connected to EPC Option 2: SA NR connected to 5GC (Standalone) (Non-Standalone) [Dual Connectivity] ng-eNBgNB 5GC Option 5: SA LTE connected to 5GC Option 3: NSA LTE assisted NR connected to EPC Option 4: NSA NR assisted LTE connected to 5GC Option 7: NSA LTE assisted NR connected to 5GC Migration Strategy Option 1 ↗ Option 2 ↘ Option 3 Option 3 ↗ Option 7 ↘ Option 5 Option 3 ↗ Option 3 ↘ Option 2 Option 3 ↗ Option 4 ↘ Option 2 [EN-DC] [NE-DC] [NGEN-DC] 5GC 5GC gNB ng-eNB 5GC gNB ng-eNB EPC eNB en-gNB Non-Standalone 5G Networks, Release-15, all 5G networks today
  • 22. Option 3: Non-Standalone (NSA) NR, LTE assisted, EPC connected ©3G4G • en-gNB: node providing NR user plane and control plane protocol terminations towards the UE, and acting as Secondary Node in EN- DC. • In simple English, it’s a gNB that supports legacy E-UTRAN interface MME/S-GW MME/S-GW EPC E-UTRAN S1-U X2 X2- U eNB eNB en-gNB en-gNB Based on: 3GPP TS 37.340 V15.4.0 (2018-12) Figure 4.1.2-1:EN-DC Overall Architecture
  • 23. Release-15 ‘Private Network’ ©3G4G • Designed as a standalone/isolated solution for an enterprise or a factory kind of situation • No interaction with any public network • Security could be based on 3GPP or non-3GPP mechanisms • Emergency calls could not be initiated on this network • No Roaming, etc. • Designed for Network in a Box (NIB) kind of solution • Only limited interest because of little or no MNO involvement
  • 24. 5G System (5GS) ©3G4G Air Interface New & Evolution Evolved Packet Core (EPC) Data (IP) Network eNB UE Evolved Packet System (EPS) 5G Core (5GC) Data (IP) Network NG-RAN UE 5G System (5GS) New Radio or Next- Generation RAN (NG-RAN) Radio Access Network (RAN) Core Network (CN) 5G System is defined as 3GPP system consisting of 5G Access Network (AN), 5G Core Network and UE. The 5G System provides data connectivity and services. 3GPP TS 23.501: System Architecture for the 5G System; Stage 2 3GPP TS 23.502: Procedures for the 5G System; Stage 2
  • 25. 5G Deployment Options and Migration Strategy ©3G4G EPC 5GC (NGCN) SA NSA eNB EPC Option 1: SA LTE connected to EPC Option 2: SA NR connected to 5GC (Standalone) (Non-Standalone) [Dual Connectivity] ng-eNBgNB 5GC Option 5: SA LTE connected to 5GC Option 3: NSA LTE assisted NR connected to EPC Option 4: NSA NR assisted LTE connected to 5GC Option 7: NSA LTE assisted NR connected to 5GC Migration Strategy Option 1 ↗ Option 2 ↘ Option 3 Option 3 ↗ Option 7 ↘ Option 5 Option 3 ↗ Option 3 ↘ Option 2 Option 3 ↗ Option 4 ↘ Option 2 [EN-DC] [NE-DC] [NGEN-DC] 5GC 5GC gNB ng-eNB 5GC gNB ng-eNB EPC eNB gNB Future – Standalone 5G Networks, after Release-16 is finalized
  • 26. 5G Deployment Options and Migration Strategy ©3G4G EPC 5GC (NGCN) SA NSA eNB EPC Option 1: SA LTE connected to EPC Option 2: SA NR connected to 5GC (Standalone) (Non-Standalone) [Dual Connectivity] ng-eNBgNB 5GC Option 5: SA LTE connected to 5GC Option 3: NSA LTE assisted NR connected to EPC Option 4: NSA NR assisted LTE connected to 5GC Option 7: NSA LTE assisted NR connected to 5GC Migration Strategy Option 1 ↗ Option 2 ↘ Option 3 Option 3 ↗ Option 7 ↘ Option 5 Option 3 ↗ Option 3 ↘ Option 2 Option 3 ↗ Option 4 ↘ Option 2 [EN-DC] [NE-DC] [NGEN-DC] 5GC 5GC gNB ng-eNB 5GC gNB ng-eNB EPC eNB gNB Way out in the future, probably 2024 onwards
  • 27. Next Generation Radio Access Network (NG-RAN) ©3G4G AMF/UPF AMF/UPF 5GC NG-RAN NG Xn Xn ng-eNB ng-eNB gNB gNB Based on: 3GPP TS 38.300 V15.4.0 (2018-12) Figure 4.1-1: Overall Architecture An NG-RAN node is either: • a gNB, providing NR user plane and control plane protocol terminations towards the UE; or • an ng-eNB, providing E- UTRA user plane and control plane protocol terminations towards the UE.
  • 28. Control plane function group 5GS Service Based Architecture (SBA) ©3G4G Data Network (DN)gNodeB (NG-RAN) 5G UE User plane function UPF AMF SMF NSSF NEF NRF AUSFFE PCFFEUDM AF UDR FE UDC N1 N2 N3 N6 N4 Nnssf Nnef Nnrf Nudm Nausf Npcf Naf AF Application Function AMF Access and Mobility management Function AUSF Authentication Server Function DN Data Network FE Front End NEF Network Exposure Function NRF NF Repository Function NSSF Network Slice Selection Function PCF Policy Control Function (R)AN (Radio) Access Network SEPP Security Edge Protection Proxy SMF Session Management Function UDM Unified Data Management UDR Unified Data Repository UDSF Unstructured Data Storage Function UE User Equipment UPF User Plane Function
  • 29. 3GPP Releases Timeline ©3G4G Private Networks Non-Public Networks (NPN)
  • 30. Release-16: Non-Public Network (NPN) ©3G4G 3GPP TS 22.261: Service requirements for the 5G system; Stage 1 (Release 16) describes Non-public networks in section 6.25 as: • Non-public networks are intended for the sole use of a private entity such as an enterprise, and may be deployed in a variety of configurations, utilizing both virtual and physical elements. • Specifically, they may be deployed as: • completely standalone networks, • they may be hosted by a PLMN, • or they may be offered as a slice of a PLMN. • Continued…
  • 31. Release-16: Non-Public Network (NPN) ©3G4G In any of these deployment options, it is expected that: • Unauthorized UEs, those that are not associated with the enterprise, will not attempt to access the non-public network, which could result in resources being used to reject that UE and thereby not be available for the UEs of the enterprise. • UEs of the enterprise will not attempt to access a network they are not authorized to access. For example, some enterprise UEs may be restricted to only access the non-public network of the enterprise, even if PLMN coverage is available in the same geographic area. Other enterprise UEs may be able to access both a non-public network and a PLMN where specifically allowed.
  • 32. Example of NPN from 3GPP TR 23.734 ©3G4G
  • 33. Types of 5G NPNs ©3G4G Standalone NPN (SNPN) Public Network Integrated NPN (PNI-NPN) • SNPN is operated by an NPN operator, not relying on network functionality provided by a SP / MNO • UE can have subscription for one or more NPNs • List of NPN IDs is available in SIB • Access to public network possible as NPN can be considered as an untrusted network • Access to NPN via public network is also possible • PNI-NPN is an NPN deployed with the support of a SP / MNO • Different approaches are possible including dedicated spectrum, slice, etc. • Closed Access Group (CAG) concept is used to protect from other UEs from accessing the NPN and wasting resources • UE subscription contains CAG IDs • CAG ID broadcast in SIB
  • 34. 5G LAN-type service ©3G4G Based on description in 3GPP TS 22.261: • The 5GS shall support 5G LAN-type service in a shared RAN configuration. • The 5GS shall support 5G LAN-type service over a wide area mobile network. • The 5G network shall support service continuity for 5G LAN-type service, i.e. the private communication between UEs shall not be interrupted when one or more UEs of the private communication move within the same network that provides the 5G LAN-type service. • The 5GS shall support use of unlicensed as well as licensed spectrum for 5G LAN-type services. • The 5GS shall enable the network operator to provide the same 5G LAN-type service to any 5G UE, regardless of whether it is connected via public base stations, indoor small base stations connected via fixed access, or via relay UEs connected to either of these two types of base stations.
  • 35. 5G LAN-virtual network (5G LAN-VN) ©3G4G • A UE shall be able to select a 5G LAN-VN, that the UE is a member of, for private communications. • 5G LAN-VNs can have member UEs numbering between a few to tens of thousands. • The 5G LAN-VN shall support member UEs that are subscribed to different PLMNs, e.g. a 5G LAN-VN may span multiple countries and have member UEs that have a subscription to a PLMN in their home country. • The 5GS shall support on-demand establishment of UE to UE, multicast, and broadcast private communication between members UEs of the same 5G LAN-VN. Multiple types of data communication shall be supported, at least IP and Ethernet. • The 5G network shall ensure that only member UEs of the same 5G LAN-VN are able to establish or maintain private communications among each other using 5G LAN-type service. • The 5GS shall allow member UEs of a 5G LAN-VN to join an authorized multicast session over that 5G LAN-VN. • The 5G system shall be able to restrict private communications within a 5G LAN-VN based on UE’s location (i.e. when the UE moves out of the area it can no longer communicate on the 5G LAN-VN). • The 5G network shall enable member UEs of a 5G LAN-VN to use multicast/broadcast over a 5G LAN-type service to communicate with required latency (e.g. 180ms). • The 5G system shall support a mechanism to provide consistent QoE to all the member UEs of the same 5G LAN-VN. • The 5G system shall support routing based on a private addressing scheme within the 5G LAN-VN.
  • 36. SNPN vs PNI-NPN ©3G4G SNPN PNI-NPN Spectrum Own, Unlicensed, Shared Operator spectrum, unlicensed, shared Investment High Capex + Low Opex Low Capex + High Opex Network Maintenance IT department, Integrator, Connectivity provider MNO or Integrator selected by MNO Devices, SIMs, subscriptions, etc. Own responsibility or connectivity provider MNO responsibility Security Own responsibility MNO based end-to-end security Roaming No roaming Standard roaming Advanced services Limited advanced services like 5G LAN, 5G LAN-VN 3GPP based and MNO supported advanced services available
  • 37. (Extremely) Simplified 5G Network Architecture ©3G4G gNB 5GC-CP UDM UPF Services Radio Signaling Database User Data Services
  • 38. Isolated Private 5G Network ©3G4G 1 Picture from 5G ACIA Whitepaper on NPN Scenarios – see references
  • 39. Fully Independent, Isolated Private 5G Network ©3G4G Radio Signaling Database User Data Services Radio Signaling Database User Data Services Private 5G Network SP/MNO 5G Network Data Network MEC 1a
  • 40. 1a Fully Independent, Isolated Private 5G Network ©3G4G Radio Signaling Database User Data Services Radio Signaling Database User Data Services Private 5G Network SP/MNO 5G Network Data Network MEC Pros • Complete isolation from public networks • QoS / QoE is independent of the public network, even if that fails • Data stored locally, securely • Ultra-Low Latency due to proximity of all components • Reduced wiring within the factory / enterprise, etc. • No monthly subscription charges for end users Cons • High Capex for software, hardware and license fees • Spectrum cost may be high, unlicensed spectrum would be prone to interference • Difficult to find IT staff, would need help from Integrators that adds to Capex and Opex
  • 41. SP Built, Isolated Private 5G Network ©3G4G Signaling Database User Data Services Radio Signaling Database User Data Services Private 5G Network SP/MNO 5G Network Data Network Radio MEC 1b
  • 42. 1b SP Built, Isolated Private 5G Network ©3G4G Signaling Database User Data Services Radio Signaling Database User Data Services Private 5G Network SP/MNO 5G Network Data Network Radio MEC Pros • Complete isolation from public networks – not available for SP subscribers • QoS / QoE is independent of the public network, even if that fails • Licensed SP spectrum, cheaper and less prone to interference • SP maintains the running of the network with SLAs in place • Data stored locally, securely • Ultra-Low Latency due to proximity of all components • Reduced wiring within the factory / enterprise, etc. Cons • High Capex for software, hardware and license fees – maybe subsidised by the SP • Monthly subscription charges for end users or based on the access nodes or based on site / size. • IT staff would still need to be trained for first line of troubleshooting
  • 43. RAN Sharing between Public-Private 5G Network ©3G4G Picture from 5G ACIA Whitepaper on NPN Scenarios – see references 2
  • 44. Radio RAN Sharing between Public-Private 5G Network ©3G4G Signaling Database User Data Services Signaling Database User Data Services Private 5G Network SP/MNO 5G Network Data Network MEC Radio 2
  • 45. 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
  • 46. ©3G4G It’s called Dual Slicing, but it looks very much like RAN sharing Campus networks are exclusive mobile networks for a defined local campus, a university or individual buildings, such as an office building. They are tailored to the individual needs of users and meet future requirements in the area of Industry 4.0. Deutsche Telekom
  • 47. Campus Types ©3G4G Source: Arthur D. Little Industrial Office Venue Primary user of the network Machines Employees Visitors Suppliers / Contractors Quality Requirements Throughput Latency Throughput Latency Throughput Latency Throughput Latency Security Availability Security Availability Security Availability Security Availability Purpose Sense & Control Connect & Secure Inform & Entertain Sense & Control Connect & Secure Inform & Entertain Sense & Control Connect & Secure Inform & Entertain Sense & Control Connect & Secure Inform & Entertain Coverage Indoor On-prem Outdoor Off-prem Indoor On-prem Outdoor Off-prem Indoor On-prem Outdoor Off-prem Indoor On-prem Outdoor Off-prem Devices Phone / Computer IoT Device B2B2x Solution Device Phone / Computer IoT Device B2B2x Solution Device Phone / Computer IoT Device B2B2x Solution Device Phone / Computer IoT Device B2B2x Solution Device Distributed / non-stationary
  • 48. 2 Radio RAN Sharing between Public-Private 5G Network ©3G4G Signaling Database User Data Services Signaling Database User Data Services Private 5G Network SP/MNO 5G Network Data Network MEC Radio Pros • QoS / QoE is still fairly independent of the public network, even if that fails • Licensed SP spectrum, cheaper and less prone to interference • SP maintains the running of the network with SLAs in place • Data stored locally, securely • Ultra-Low Latency due to proximity of all components • Reduced wiring within the factory / enterprise, etc. Cons • Not completely isolated from SP network and subscribers • High Capex for software, hardware and license fees – maybe subsidised by the SP • Monthly subscription charges for end users or based on the access nodes or based on site / size. • IT staff would still need to be trained for first line of troubleshooting
  • 49. Shared RAN and Control Plane 5G Network ©3G4G Picture from 5G ACIA Whitepaper on NPN Scenarios – see references 3
  • 50. Database Signaling RAN & Signaling Sharing between Public-Private 5G Network ©3G4G User Data Services User Data Services Private 5G Network SP/MNO 5G Network Data Network MEC RadioRadio 3
  • 51. Database Signaling RAN & Signaling Sharing between Public-Private 5G Network ©3G4G User Data Services User Data Services Private 5G Network SP/MNO 5G Network Data Network MEC RadioRadio 3 Pros • QoS / QoE is still fairly independent of the public network, even if that fails • Licensed SP spectrum, cheaper and less prone to interference • Capex is significantly lower than previous options • SP maintains the running of the network with SLAs in place • Data stored locally, securely • Ultra-Low Latency due to proximity of all components • Reduced wiring within the factory / enterprise, etc. Cons • Not completely isolated from SP network and subscribers • Signalling dependent on SP network – can have issues if the network is loaded • Subscriber information stored in SP network, which may be an issue • Monthly subscription charges for end users or based on the access nodes or based on site / size. • IT staff would still need to be trained for first line of troubleshooting
  • 52. 5G Public-Private Network Slice ©3G4G Picture from 5G ACIA Whitepaper on NPN Scenarios – see references 4
  • 53. User Data E2E Network Slicing between Public-Private Network ©3G4G Services Private 5G Network SP/MNO 5G Network Data Network MEC Database Signaling RadioRadio 4
  • 54. User Data E2E Network Slicing between Public-Private Network ©3G4G Services Private 5G Network SP/MNO 5G Network Data Network MEC Database Signaling RadioRadio 4 Pros • Logical separation with public networks • Licensed SP spectrum, cheaper and less prone to interference • Capex is very low • SP maintains the running of the network with SLAs in place • Reduced wiring within the factory / enterprise, etc. Cons • No physical separation with public network • Dependency on SP network for signalling as well as QoS/QoE • Latency much higher • Subscriber information stored in SP network, which may be an issue • Data stored in SP Datacentre (probably at Edge) • Monthly subscription charges for end users or based on the access nodes or based on site / size. • IT staff would still need to be trained for first line of troubleshooting
  • 55. Types of Private Networks and SP Role ©3G4G Standalone Private Network Hybrid Private Network Virtual Private Network Applications Customer Customer Customer Customer Management Customer Customer / SP SP SP Services Customer Customer / SP Customer / SP SP Infrastructure Customer Customer / SP Customer / SP SP Spectrum Customer / SP SP (Customer - optional) SP (Customer - optional) SP Devices Customer Customer Customer Customer SIMs Customer Customer SP SP 1 2 3 4
  • 56. 3GPP Releases Timeline ©3G4G Private Networks Non-Public Networks (NPN) Further Enhancements of NPN
  • 57. Release-17: Further Enhancements of NPN (eNPN) ©3G4G FS_eNPN, as detailed in SP-191376 • SNPN and SP separation: Study enhancements to enable support for SNPN along with subscription / credentials owned by an entity separate from the SNPN • Onboarding: Study how to support UE onboarding and provisioning for non-public networks • VIAPA support: Study enhancements to the 5GS for NPN to support NPN related service requirements for production of audio-visual content and services e.g. for service continuity and enabling reception of data services from two networks. • Emergency: Study support for IMS and emergency services for SNPN
  • 58. Further Reading on this topic ©3G4G • 5G ACIA: 5G Non-Public Networks for Industrial Scenarios (link) • Telefonica I+D: The use of 5G Non-Public Networks to support Industry 4.0 scenarios (link) • Gabriel Brown, Heavy Reading: Private 5G Mobile Networks for Industrial IoT (link) • Harrison J. Son, Netmanias: 7 Deployment Scenarios of Private 5G Networks (link) • Dr. Yongbin Wei, Qualcomm: The Role of 5G in Private Networks for Industrial IoT (link) • Ali Rezaki & Anja Jerichow, Nokia Bell Labs: 5G Security Challenges for Verticals - a Standards View (link) • Deutsche Telekom: 5G technology in industrial campus networks (link) • Arthur D. Little: Private Campus Networks (link)
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