Why Virtualization is Essential for 5G Francis Chow VP & GM, Communications Business Unit November 16, 2015
What’s Hot? 2015 2010 2
Evolution of Wireless Technology Vertically integrated applications Speed& Coverage 5G Data 100Mbps 2Mbps Voice 4G 3G • 4th 64kbps Generation • 3rd 2G Wireless Generation Network Wireless • 2nd • Designed for Network 2.4kbps Generation data • Voice plus some 1G • IP based Wireless data protocols Network [Multimedia, [Voice over IP] • 1st • Mobile voice Text, Internet] • True mobile quality Generation • First Mobile broadband • Coverage and Broadband Wireless • Heterogeneous Capacity [WCDMA, Network Network CMDA-2000, • First digital • Basic voice [FDD-LTE, TDSCDMA] standards • NMT, AMPS TD-LTE] [GSM, CDMA] Time 1984 1991 2002 2010 3
Traditional Wireless Cellular Network • OPEX dominates expenses − Power bill − Site acquisition/renting costs increasing RRU Source: China Mobile • Insufficient Flexibility and Scalability − Overprovision capacity to handle load dynamics • Office vs Residential area/time BBU − Proprietary Custom solution Processing Load • Unable to support diverse application services idle − Challenge to launch different network configurations • Self-Organizing Networks, New Spectrum & Access Technologies utilized 4
5G Vision • Massive capacity and massive connectivity − 100x connected device with 100x user data rates • Efficient use of spectrum and network resource to reduce Total-Cost-of-Ownership • Flexible and scalable infrastructure to enable value added services 5
Requirements to Realize 5G vision Not Only Any Time, Any Where … But also Any Thing, Any Service … • Enhance Network Smartness − Smart capacity/spectrum allocation − Application awareness − Coordinated communication User Capacity Network Experience Increase Efficiency • Enable Telecom Cloud − Move cloud to mobile edge − Ultra Low-latency and high bandwidth − Hardware Platform Standardization Business Market Network Model Creation Virtualization Figure source:: ZTE 6
Evolution to Centralized RAN • Centralized Radio Access Network (C-RAN) with RRU pooled baseband − Site Reduction − Lower Cooling cost RRU • Coordinated processing RRU − Lower Blocking Rate BBU Pool − Improve capacity RRU 7
Cloud RAN • Virtualized Cloud-RAN Location Service UHD Video Steam Low Latency App − Generic hardware platform RRU − Network Virtualization − Load Balance RRU − Multiple Radio Access Technologies • New service enablement − Location-based services RRU − “Zero” latency provision • Virtualized function support BBU Servers − Seamless upgrades RRU − Processing resource reuse when idle Processing Load 8
Cloud RAN • Virtualized Cloud-RAN Layer 2/3 − Generic hardware platform Core RRU PHY + FEC PHY Layer − Network Virtualization FEC − Load Balance 5G − Multiple Radio Access Technologies LTE-U Layer 2/3 • New service enablement RRU Core − Location-based services PHY Layer − “Zero” latency provision RRU • Virtualized function support − Seamless upgrades RRU − Processing resource reuse when idle 9
Cloud RAN • Virtualized Cloud-RAN Layer 2/3 − Generic hardware platform Core RRU PHY + FEC − Network Virtualization Gaming − Load Balance 5G − Multiple Radio Access Technologies LTE-U LTE-IoT • New service enablement RRU Augmented Reality − Location-based services Location Services − “Zero” latency provision RRU • Virtualized function support − Seamless upgrades RRU − Processing resource reuse when idle 10
Cloud-RAN Architecture 2G/3G LTE-IoT 5G Low Other Service Services Service Service Latency Services • CPU Elements SW SW SW CloudM CDN Stack vEPC Stack Stack Cache − Multiple radio access technology V V V V stacks and protocols M M M M − New application services Hypervisor − Control and monitor interfaces Interconnect CPU • FPGA Elements Interconnect − Acceleration for real-time function Priority Management − Switching for scalable load-balancing Switch − Peripherals for high bandwidth connectivity connectivity External External interfaces/ connections L1 Accelerator L2/3 Accelerator Video/Security Accelerator Other Services Accelerator FPGA 11
Virtualized RAN Example • Centralized Processing Capability − Traffic and Load-balancing − Network optimization V-CRAN • Virtualized Processing Data Center − Reuse or resell unused capacity − Value-added (e.g. location based) services • Low-cost radio end-points − Independent processing for each end-point improves capacity over traditional DAS − Connectivity with fiber, radio fronthaul or Conventional local Ethernet Lease additional capacity design Sell spare processing capacity capacity New local capacity design Total Great America Loading Levi Stadium Convention Center M T W T F Sa Su
Infrastructure Business Model Value Add Service • Current business Services Provider k model is dominated r o w by large incumbents r t o e t N a r • Limited opportunity e p O for disruption Network Site and Optimization Infrastructure l a n o i t i d a M r T E O RAN RAN Hardware Software
Infrastructure Business Model Value Add Service Virtualized Cloud-RAN Services Provider enables new business Enhanced Network Operator models • Expanded Operator Capability − Value-added services Network Site and − Hardware access for Optimization Infrastructure network/application optimization RAN RAN Hardware Software
Infrastructure Business Model Value Add Service Virtualized Cloud-RAN Services Provider enables new business models • Expanded Operator Capability • Enlarged OEM Network Site and Scope Optimization Infrastructure l − Value-added services a n o i t i d a M r T E O RAN RAN Hardware Software
Infrastructure Business Model Value Add Service Virtualized Cloud-RAN Services Provider enables new business models Software • Expanded Operator Provider Capability • Enlarged OEM Scope Network Site and • New Entrants Optimization Infrastructure − Data Center Providers to enable RAN hardware − New-style OEM with hardware-agnostic, software solution RAN RAN − Vertical market Hardware Software applications migrate to new software providers
Summary • 5G means smartness, efficiency and business model disruption • Virtualized CRAN provides an effective solution for 5G • CPU and FPGA reprogrammable acceleration enables 5G vision 17
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