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Small Cell Mutation

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Todd Mersch, Director of Product Line Management, discusses addressing disparate operator requirements for 3G to …

Todd Mersch, Director of Product Line Management, discusses addressing disparate operator requirements for 3G to
LTE-Advanced Radio Access Networks at the 2011 Femtocells Americas.

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  • 1. Small Cell MutationAddressing Disparate Operator Requirements for 3G to LTE-Advanced Radio Access Networks Todd Mersch, Director of Product Line Management December 6, 2011
  • 2. At a Glance Single Solutions Source Worldwide Customer Base Protocol Software Embedded COTS Platforms Wireless Media Server Infrastructure Solutions Professional Services 2 Embedded Wireless Infrastructure Solutions Radisys Corporation Confidential 2
  • 3. Agenda - Multi-Mode - Spectrum - SON / IOT . . .Requirements Challenges Future Radisys Corporation Confidential 3
  • 4. Agenda - Multi-Mode - Spectrum - SON / IOT . . . Requirements Radisys Corporation Confidential 4
  • 5. Femtocell Evolution to Small Cells Residential Femtocell (2006+ ) Adaptive to Customizations; Point Solutions Not Enough Images Courtesy Femto Forum Age of Small Cells (2010 + ) Extension of Femto • Enterprise • Public Access Radio Interface Progress • 2G / 2.G, 3G HSPA+, LTE • Multi-Mode Radisys Corporation Confidential 5
  • 6. Small Cell Sizing New Focus: Small Cells Femtocell GreaterCapacity Femtocell Microcell / Picocell Macrocell Coverage Radisys Corporation Confidential 6
  • 7. Fragmented SpectrumChallenge & Opportunity  The Spectrum Challenge 2.6 GHz • 700MHz • 2.6GHz 2.6 GHz • Digital Dividend • 900 / 1800MHz re-farming 2.6 GHz  Frequency Impacts Network Costs • Increases with frequency Cell radius ~30 – 300m 700 MHz  TD-LTE = Opportunity • FDD for Macro • TDD for Femto  Multi-Band Deployment • 700MHz for Macro • 2.6GHz for Femto Cell radius ~1 – 3km Radisys Corporation Confidential 7
  • 8. Consolidated Air InterfacesWhere, When & How to Multi-Mode Multi-Mode Small Cell Controller Core Network Small Cell SEG HNB GW Iu Iuh 3G Core Gn’ / Wm Wu SEG TTG S1 S1 SEG HeNB GW EPC Does Multi-Mode What Combination Technical & Cost Always Make Sense? for Which Scenarios? Solutions? Radisys Corporation Confidential 8
  • 9. Agenda Challenges Radisys Corporation Confidential 9
  • 10. Age of HetNetsCapacity Multi-Mode (LTE-TDD Demand-based LTE-TDD 2.6GHz / 3G Capacity & LTE-TDD Femto LTE-TDD / 2.1GHz) Coverage Femto 2.6GHz Femto 2.6GHz 2.6GHz LTE-FDD Networks, 700MHz Nationwide 3G / HSPA+ Networks, 2.1GHz Network GSM / GPRS / EDGE Networks, 900MHz / 1800MHz Coverage Rural Suburban Urban Dense UrbanLow Broadband Proliferation High Radisys Corporation Confidential 10
  • 11. HetNet Considerations  Where • Finding the “hot” areas • Targeted deployment  What • Hotspot vs. Hotzone Spot • Single – Dual – Multi Mode Zone  How • SON, Interference, IOT SON • Logistics Radisys Corporation Confidential Logistics 11
  • 12. HetNet Opportunities for Innovation Local IP Access Multi-Mode RRM Local 3G Multi-Mode Fallback Small Cell WiFi InternetOffloading IP to CN Multi-Mode Co- Small CellChanneling Energy SON Hub Power Multi-Mode Small Cell Wireless Backhaul Multi-Mode Small Cell Radisys Corporation Confidential 12
  • 13. Operator-Driven Access-Side BTM Policy Enforcement solutions supporting Broadband Traffic segregation, mobility across available networks Policy Control and aggregation to service provider Flow 3G QoS and Segregation Analytics & Mobility Bandwidth WiFi Policy Aggregation Management Engine & Protocol Client LTE IP layer Bandwidth Management Functions & Policy (in service provider network)IP Flow Segregation (different flows on different networks) IP Flow Mobility (moving an IP flow across networks) Context-Aware Policy Enforcement Bandwidth Aggregation across multiple networks (Location, battery life, speed, application requirements, cost, etc) + Radisys Corporation Confidential 13
  • 14. Agenda Future Radisys Corporation Confidential 14
  • 15. LTE-AdvancedTrue 4G 3GPP Standards Progression LTE-Advanced Brings:LTE-A Carrier AggregationLTE RelayHSPA+ Enhanced MIMO (8x8)WCDMA SON / eICICEDGE CoMPGPRS Cell Edge PerformanceGSM Peak 1Gbps Throughput 2G 2.5G 3G / IMT-2000 3.5G 4G IMT-Advanced Radisys Corporation Confidential 15
  • 16. Relay Node LTE Relay Node (RN) • Over-the-air (OTA) backhaul • Coverage • Cell-edge throughput Macro ‘Donor eNB’ Relay (RN) Dense Urban Metro-Femto with OTA backhaulWired Backhaul Radisys Corporation Confidential 16
  • 17. Carrier Aggregation Aggregate multiple carriers Contiguous & non-contiguous Transmission BW up to 100MHz Peak data rate 1Gbps Primary & Secondary Cells Small Cells serving as Secondary Cells for CA 3G 5MHz LTE 20MHz LTE-A 20MHz … LTE-A 20MHz Radisys Corporation Confidential 17
  • 18. SON & eICIC  SON Enhancements • Inter-RAT Loading • Mobility Robustness • Cross-Cell RLF Indication  eICIC • Almost Blank Subframe (ABS) • Resource Restriction Standardized Features Supporting Optimized Small Cell Deployment Radisys Corporation Confidential 18
  • 19. LIPA Standards Progression MME / S-GW MME / S-GW MME / S-GW S1 S1 S1 S1 S1 S1 S1 S5 S1 S1 HeNB GW X2 eNB eNB E-UTRAN S1 S1 X2 X2 eNB HeNB HeNB HeNB S1 MME HeNB New Function: L-GW SEG GW EPC HeNB S1- U Standardized LIPA S5 LGW SGi Enterprise / Residential LAN Radisys Corporation Confidential 19
  • 20. Summary Next Generation RAN = HetNet • Multi-mode providing flexibility • Small Cells for capacity & coverage Challenges & Opportunities Embedded • HetNets beget complexity Wireless • Delivering value beyond the 3Cs Infrastructure Solutions Up Next: LTE-Advanced • CA & Relay leveraging Small Cells 30 LTE, • Standards delivering needed features 33 Femto Wins! Radisys Corporation Confidential 20