Cloud RAN and Evolution to 5G
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The document discusses Cloud RAN and its evolution to 5G networks. It covers key aspects of Cloud RAN including disruptive challenges like increasing bits per second per hertz, network virtualization, low latency requirements, and open interfaces. It also provides an overview of Cloud RAN architecture and how Mavenir's solutions align with an evolution from 4G to 5G networks through cloudification of the RAN.
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Cloud RAN and Evolution to 5G
- 1. Cloud RAN and Evolution to 5G Kunal Patil - VP, Business Development - APAC October 5th 2017
- 2. Disruptive Challenges 2 Bits/sec/hertz/$ - new business models Virtualization - All Elements Virtualized except the Radio Low Latency – Micro services at network edge Open Interfaces – Front haul and networking Low cost RRU’s - Massive densification Spectral efficiency – Massive MIMO Automation– Self healing, Self configuration, Zero touch © 2017 Mavenir Systems Mavenir Systems Proprietary Information
- 3. Network Evolution 3 3GPP AAA SGW PGW MME PCRF SGSN HSS eNodeB Today Remote Radio Heads Internet Tomorrow Scales up and down It is Software Virtual servers running multiple Network Virtual Function and applications Including Cloud Ran Difficult to Scale Down Built for large capacities © 2017 Mavenir Systems Mavenir Systems Proprietary Information
- 4. What is Cloud RAN 4 1 2 3 Macro site EPC RRU Mobile backhaulRRU BBU Macro site EPCMobile backhaul 5-15km BBU BBU C-RAN Fronthaul C-RAN hub Classical/Distributed RAN Centralized RAN Macro site Cloud RAN BBU Mobile Fronthaul 0 - 200km Mobile data center RRU BBU EPC © 2017 Mavenir Systems Mavenir Systems Proprietary Information
- 5. What is Cloud RAN – Open interfaces Aligned with xRAN.org & 3GPP 5G 5 BBU L3 L2 L1 CPRI CPRI DSP D A C A D C PowerAmplifier FrequencyFilter RRU I/Q DL I/Q UL Proprietary L3 L2 L1 NIC NIC DSP D A C A D C PowerAmplifier FrequencyFilter RRU RFoE DL RFoE UL L1 vBBU Open Functional split supported in Mavenir product with 5G requirements in mind NFV platform and architecture does not change – only the protocol
- 6. Cloud RAN Evolution Mavenir’s solutions are aligned to CRAN for 4G/5G 6 Central Data Center Local Data Center RRH 600-2GHz 4x4 MIMO 200 Mbps LTE vRAN 5G User Plane BBU RRH 3 – 80 GHZ Massive MIMO Gbps 5G Broadband Antenna Array 5G User Plane 4/5G BBU RRH 600 – 80 GHZ Massive MIMO Mbps/Gbps 4G/IoT/5G Antenna Array 5G Core Separate User and control planes 4/5G Core, Separate User and control planes LTE Core & applications BBU © 2017 Mavenir Systems Mavenir Systems Proprietary Information
- 7. Architectural Evolution Disaggregated, function-based, and cloud hosted mobile network 7 Signaling Context Forwarding Compute Storage Network Map Mobile Workloads to Cloud Resources Eliminate Constraints of Physical Boundaries PGWSGW HSSMMEBBU OPEN SW/HW OPEN COMPUTE PLATFORM © 2017 Mavenir Systems Mavenir Systems Proprietary Information
- 8. CRAN Cloudification Enabling use cases like #Distributed Data Centers , MEC ,etc 8 Cell Site Enterprise “Whitebox” InternetMid Haul Core B B U vEPC vIMS NIC Mavenir Core VM VM VM B B U vEPC NIC Mavenir Mid Haul VM VM BBU vEPC NIC Mavenir Edge VM VM Small Low Latency <2ms Medium Latency <10ms Large High Latency OPEN HARDWARE PLATFORMOPEN HARDWARE PLATFORMOPEN HARDWARE PLATFORM CENTRAL DATA CENTERSDISTRIBUTED DATA CENTERSEDGE DATA CENTERS MEC Controller MEC Edge MEC Micro Services Internet © 2017 Mavenir Systems Mavenir Systems Proprietary Information
- 9. 9 MEC – Typical CRAN Use Cases Military, Police & Government forces Dedicated, extra / localized Capacity Special featured Networks like vCPEs Remote/Rural with poor transport Industries/Enterprises - Tower ,Power Grids , Oil & Gas , Coal Large complex etc Manage Disaster Recovery Situations MEC overcomes the commercial design compromises: • Availability • Ad hoc coverage • Coverage holes • E2E Latency • Independency • Security • Special features • Uplink issues Cantonment / Confined / restricted Areas / Enterprises Vehicle Convoys Connectivity © 2017 Mavenir Systems Mavenir Systems Proprietary Information
- 10. 5G Ready Sub-components – Commercially deployed Full CUPS Support 10 vEPC SGi S1-U S1-C SGs RADIUS Gx/Gy/Gz S6a EIF: External Interface VNFC CDF: Charging Interface VNFC CPE: Control Plane VNFC DPE: Data Plane VNFC SDB: Session Database VNFC UDB: User Database VNFC VEM: vEPC Element Manager VNFC EMS: Element Management System VNFC Interface Tier Database Tier Management Tier SNMP/REST/XML Service Logic Tier S5/S8 DPE VM CPE VM All VNFCs Interface with VEM External Interface Internal Interface S10S5-U/S8-U SDB VM UDB VM EIF VMCDF VM VEM VM EMS VM Control PlaneUser Plane UE (R)AN UPF AF AMF SMF PCF UDM DNN6 N1 NRFNEF N3 N2 N4 AUSF Nausf Namf Nsmf NpcfNnrfNnef Nudm Naf 5G NGCN Services © 2017 Mavenir Systems Mavenir Systems Proprietary Information
- 11. 4G Networks need to evolve & prepare for 5G Smart Devices NFV / SDN FOUNDATION Multi Radio Access Hyper Densification RAN & Core Network Cloudification & Automation 10x 50x 1000x Latency Reduction Peak Data Rate Capacity Central Distributed © 2017 Mavenir Systems Mavenir Systems Proprietary Information
- 12. |© 2017 Mavenir Systems | PageMavenir Systems Proprietary Information 12 Cell on Wheels Drone Cells DC Metro Edge DC Edge vBBU Pool DC Edge vBBU Pool Outdoor Small Cells vBBU Pool + Apps RRH RRH HeNB / Small Cells Shooter Cells Highway Coverage vCPE [SDN+ vBBU + vEPC + vIMS + Apps] Remote Coverage / MEC (Rural , Medium/Large Enterprise , DC Service-Edge) Small Cells Venues Small Cells Industrial & Home IoT V2X MEC[vEPC+vIMS + vBBU+ Apps] Convoy Coverage End to End 4G/5G Ready Cloud Network Architecture Support Mavenir Transforming Telco to Next Generation Architecture Consumer / Small Business / Enterprise Cloud Core & Services Data Center/ Core Metro (DC) MPLS Network vCPE vCPE [SDN+ vBBU + vEPC + CDN+Apps] CloudRange NFV™ De-Centralized Orchestrator De-Centralized Orchestrator vEPC,vIMS,CaaP, IaaS, Hub ,etc Enterprise Any device, use case, vertical Smart Cities/IoT
- 13. |© 2017 Mavenir Systems | PageMavenir Systems Proprietary Information 13 Enabling your Network for smooth evolution to 5G Bits/sec/hertz/$ - new business models Virtualization - All Elements Virtualized except the Radio Low Latency – Micro services at network edge Open Interfaces – Front haul and networking Low cost RRU’s - Massive densification Spectral efficiency – Massive MIMO Automation– Self healing, Self configuration, Zero touch Home / Enterprise Small Cells, Macro, Massive Array,LTE-U ,LAA ,MEC,IoT,Cloud RAN etc Complete end to end portfolio of Cloud Ready vRAN,vCore, vIMS ,NFV,CUPS ,etc vCPE, MEC, DC PoP, CUPS , SDN , Network Slicing ,MicroServcies , Service Chaining etc Open FH for flexible RAN functional split & standard interface for RRU,xRAN.org,CORD ,etc Densification at chip level - PicoRRU,Small Cells, Macro, Massive MIMO, mmWave,etc Massive MIMO solutions support for LTE & NR 4G/5G co-existence, Multi Access SON Analytics,PnP, Web Scale Automation, etc
- 14. |© 2017 Mavenir Systems | PageMavenir Systems Proprietary Information 14 Support needed from SCF Additional specifications required on: 1. ‘Open’ interfaces need to be defined between BBU & RRU 2. Split-7 option from xRAN.org to be included as another option for Small Cell Front-Haul 3. Virtualized Platforms that will make small cell deployment Plug & Play (PnP) and scalable 4. Virtualization to support larger numbers of cells and a mix of 4G, WiFi and 5G 5. Use of millimeter wave spectrum, which will support hyper-dense zones of capacity and coverage need to be included
- 15. T H A N K Y O U 15 #catalystforinnovation Thank You Kunal Patil VP , Business Development-APAC Mobile: +628811210733 Email : kunal.patil@mavenir.com
- 16. Objectives • Minimize impact on transport bandwidth while maximizing virtualization in CU • Enable simple, low cost DU designs for wide adoption among DU vendors with OAM • No performance loss compared to integrated solutions with ideal fronthaul • No limitation on receiver architecture for performance • No re-design for NR vs. LTE • Not a fixed rate streaming interface – transport data rate scales with traffic and bandwidth An Open Specification Decisions to Date • Downlink: 7-3 (per 3GPP – bits) • Uplink (2 modes supported) 7-1 – Antenna Stream Channel 7-2 - Pre-filtered/Spatially Compressed Channel • RB and Tone Selection (included as an option) • Support for selection of tones to be transmitted on both UL and DL 16 Bit processing Modulation Layer mapping Precoding Resource mapping IFFT/ CP Bit processing Demodulation CE & Equalization Prefiltering Resource demapping FFT/ CP PRACH filter CorrelationPeak detection DA AD Analogbeamforming Option 7-1Option 7-2Option 7-3 SRS process © 2017 Mavenir Systems Mavenir Systems Proprietary Information
- 17. Aligned with 5G Specifications 5G architecture principles • Flexible Information model • Minimize Access and Core dependencies • Capability Exposure support UE (R)AN UPF AF AMF SMF PCF UDM DNN6 N1 NRFNEF N3 N2 N4 AUSF Nausf Namf Nsmf NpcfNnrfNnef Nudm Naf 5G NGCN Services Function 5G NGCN Service Mavenir vEPC VNFC Access Management AMF CPE (w/ EIF for interface separation) Session Management SMF CPE User Plane Function UPF DPE User Data Management UDM UDB Network Exposure Function NEF SDB Authentication Server Function AUSF UDB 17 • CP and UP Separation • Modularization • Stateless NF vEPC VNFCs © 2017 Mavenir Systems Mavenir Systems Proprietary Information