Just Fact: Using 4G mobile and fixed services on a dual mode WiMAX/LTE network

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  • 1. This document is offered compliments of BSP Media Group. www.bspmediagroup.com All rights reserved.
  • 2. Just the facts… Using 4G mobile and fixed services on a dual mode WiMAX/LTE network AfricaCom 2013 - LTE Masterclass Mark Altshuller CTO - Telrad Networks November 14, 2013
  • 3. Agenda • • • • • • • About Telrad LTE Industry Trends LTE Ecosystem Evolution and Device Availability Mobile vs. Fixed Services WiMAX to TD-LTE Transition Roadmap Fixed and Mobile Convergence Telrad Dual Mode WiMAX & LTE Transition 2
  • 4. Who is Telrad? • We are a global provider of end-to-end 4G wireless solutions  Industry pioneer since 1951, advanced R&D team  Serves operators and ISPs worldwide  Developing next-generation WiMAX & LTE solutions  Over 280 4G deployments in 150 countries • Recently acquired Alvarion BWA division  Product Portfolio, IP, Production, know-how – NOW TELRAD  About 1B$ WiMAX Installed base – NOW TELRAD  Alvarion BWA personnel: R&D, Sales, Operation – NOW TELRAD  Telrad has very strong financial backing with Fortissimo 3
  • 5. 4 Telrad 4G Portfolio IP Network Core Network EPC, ASN-GW & AAA Star-Suite NMS BreezeCOMPACT Family BreezeMAX® RAN 4Motion® Family (Radio Access Network ) End User Devices
  • 6. BreezeCOMPACT Family Macro base station performance in a “small cell” form factor Optimized for diverse indoor and outdoor deployment scenarios – on target to achieve maximum coverage & capacity Small form factor enabling LTE-Advanced capabilities; green footprint without sacrificing performance Cost-efficient installation and power usage translates to big value for budget-aware environments …the right choice for now and for the future 5
  • 7. LTE Industry Trends
  • 8. Wireless Technology Evolution for sub-6 GHz 7 <6 GHz Prop./ WLAN/ 802.11 4900, 5200, 5800 FDD/TDD Prop./ preWIMAX 3500, 3600 TDD – 4th LTE TDD WIMAX 802.16d-->e 2300, 2500 Prop./ WLAN/ 802.11 2100 <2 GHz FDD – 3rd CDMA/UMTS/ HSPA 1800, 1900 1st FDD N/AMPS 700, 800, 900 80s FDD - 2nd TDMA/GSM 90s 00s 10s FDD – 4th LTE >13
  • 9. WIMAX and TD-LTE Bands • TD-LTE is overlapping current WIMAX bands  Conclusion 1: TD-LTE will address various applications (not just cellular)  Conclusion 2: Additional spectrum will be used as offload for sub-2 GHz  Conclusion 3: Existing WiMAX networks will invest in transition to TD-LTE 700MHZ – Total available TDD spectrum used by WIMAX 8
  • 10. 9 Why TD vs. FD? Capability Traffic pattern (UL & DL) FDD TDD Symmetric Asymmetric (per TDD split) Requires paired frequency and guard band between DL & UL for full isolation (>100 db) May use continuous spectrum (no guard band required) if the neighboring systems are synchronized. More flexible spectrum allocation. LTE throughput (channel: 20Mhz) (for UE: 1Tx X 2Rx) for best conditions (considered as theoretical) For 20+20, Total of 40MHz DL: 120Mbps, UL: 50Mbps Total of 20Mhz DL: 104Mbps, UL: 23Mbps Spectral efficiency (spectrum utilization) ~4.2 b/s/Hz ~6.4 b/s/Hz Low channel correlation, since running on different frequencies High channel correlation, since running on the same frequency Frequency allocation and limitations Channel estimation (important for open loop radio capabilities, e.g. diversity, beam forming)
  • 11. LTE Ecosystem Evolution and Device Availability
  • 12. LTE Ecosystem & Device Availability • Evolution is driven by the end device ecosystem • Manufacturers focus on multimode support on single platform 2G/3G & LTE • Many CPE manufacturers developing variety devices for LTE  USB dongles, desktop CPEs, outdoor CPEs, portable LTE/WiFi routers, etc.  Majority of manufacturers originally produced similar CPE for WiMAX • First LTE adopters are MNOs  Verizon and AT&T in the US, KDDI and SoftBank in Japan • All utilizing FDD spectrum  Soft Bank recently launched the first large-scale LTE TDD network • Initial LTE ecosystem focused exclusively on LTE FDD mode, but shifting • LTE TDD (also called TD-LTE) mass market expected to flourish 11
  • 13. LTE Ecosystem & Device Availability • Mid-2013, TD-LTE appeared in market  First in 2.x GHz (band 40 and 41) and recently in 3.5 GHz (band 42 and 43) • Leading vendors for TD-LTE CPEs include Gemtek, Green Packet, Zyxel & Huawei • Today’s TD-LTE CPEs are purely 3GPP-compliant – mobile focused  Lack BWA fixed applications capabilities! • Operators using WiMAX for fixed applications limited to use LTE CPEs for equivalent service • Reality for BWA market  LTE still new, the LTE CPE prices 20% to 50% higher than WiMAX  WiMAX industry is “royalty free”, while 3GPP/LTE has royalty cost- about 10% of the market price • Expected coming-years trends in TD-LTE  In 2-3 years fixed CPE prices will reduce once volumes cross 10 million per year threshold  In next 5 years, 3.x GHz spectrum will be used for sub-2 GHz band offload  Speculating - big operators and chipset vendors will support TD-LTE for 3.x GHz 12
  • 14. Mobile LTE Adoption & Challenges
  • 15. Challenges for LTE adoption • LTE networks currently support data services only  No clear business model for mobile data services  Voice and SMS still running on 2G/3G • • • • Slowing down justification for LTE investment 3G network investments are much higher than LTE LTE band spread complicates global roaming adoption Technology is still not polished enough for mass service  3GPP continues protocol improvements 14
  • 16. Voice and SMS 15 • Majority of Mobile Network Operators revenues still from voice & SMS • 2G and 3G - voice runs over CS (Circuit Switch) domain – roaming well developed • LTE - uses IP infrastructure for voice and SMS • VoLTE (Voice over LTE) based on Internet Multi-media System • VoLTE framework, roaming model and interworking with current CS not finalized • Current LTE devices (ie: iPhone 5, Samsung Galaxy) do not support VoLTE • VoLTE will consume more spectrum for typical voice call vs 2G/3G
  • 17. Global Roaming 16 • Lack of international roaming issue for LTE adoption • Results from wide variety of spectrum bands supported by LTE  2G/3G – total 5 bands used by most (700, 900, 1800, 1900, 2100)  3GPP defined 44 LTE bands • Mobile devices need multi-technology platforms – 2G, 3G and LTE, further complexities
  • 18. Mobile vs. Fixed
  • 19. Mobile Applications 18 • LTE Mobile Industry (3GPP) focused on mobile services: Mobility, including high speed 120 km/h plus Roaming between providers Using SIM/USIM for global authentication and service subscription Integration with existing 2G/3G networks, inter-technology handover, integration with CORE and backend systems Support of voice and SMS services based on IMS Support for various regulatory requirements such as 911
  • 20. Fixed Applications 19 • Fixed BWA applications (ie: WiMAX) focus on DSL-like service:  Fixed and reliable connectivity  IP & Ethernet transparency for Metro Ethernet, VLAN or IP DHCP over wireless LTE media (IETF based)  Telephony-like services over broadband wireless, using cost-effective SIP vs. costly IMS-based service  Authorization & Security  Local secret credential, e.g. using username/password (in WiMAX, based on EAPTTLS), simplifying the operation for local connectivity (no need for 3GPP’s IMSI global credential)  Simplified CORE and QoS, e.g. using simple AAA RADIUS-based solution (vs. 3GPP HSS DIAMETER-based), enabling static or pre-provisioned QoS solution (vs. complicated and costly 3GPP PCRF solution)
  • 21. What Level of Service Do We Expect? 20 Broadband Cellular Mobile BWA Fixed Wireless-DSL: Wireline Replacement Service Experience “Connected-Everywhere” Always-on: 99.999 Service Level Grade Of Service “Adjust to Your Bar” Level – 70-90% Service Differentiated: Committed to SLA QoS “Best-Effort” Level DSL Level: 1-10 mbps Continuous Speed “Peak Rate, Where you Can”
  • 22. 21 Mobile vs. BWA Fixed Services MOBILE BWA FIXED Roaming Important Not Relevant SIM/USIM (Global credentials: IMSI) Important Preferable Local Credentials : User/PWD, e.g. TTLS Mobility – Intra-technology Important Required Mobility – Inter-technology (with 3G UTRAN) Important Not Relevant Voice service Based on VoLTE (IMS framework) Using simple SIP based solutions QoS Dynamic based on PCRF Simplified PCRF, enabling preconfigured QoS sessions L2: LAN, L2VPN Not Relevant Commonly used for feeding, access, enterprise networks, industrial connectivity IP transparent services Commonly used simple IP access Required for various applications: IP bridging, DHCP transparency, static IP, multihosting Authorization, Authentication & Accounting Based on Diameter based HSS, OFCS, OCS & PCRF Preferable cost effective Radius based AAA solution
  • 23. WiMAX to TD-LTE Transition Roadmap
  • 24. WiMAX to LTE 23 • Transition of WiMAX to TD-LTE requires full capabilities as part of standard and global adoption • Currently 3GPP is focused on the Mobile/Cellular industry • October 2012 - WiMAX Forum announced WiMAX Advanced Release 2.x  Supports operator transition from WiMAX to TD-LTE – coexistence of multi-platform networks • Support fixed BWA requirements as part of WiMAX Advanced Release 2.x activity • Allows slower paced transition, more mature LTE ecosystem, continued customer base support
  • 25. Fixed and Mobile Convergence (FMC)
  • 26. Radio Deployment Device Characteristics 25 • Mobile & fixed networks use different User Equipment types  Handheld devices - mobility: smartphones, USB dongles, personal WiFi routers, etc.  Desktop modems – fixed: alternative to residential wireline DSL, data with integrated WiFi router and PSTN using SIP VoIP  Outdoor UEs/CPEs – fixed: high-end customers (e.g. business, enterprises) for high quality connectivity, support variety of LAN/L2, i.e. 802.1q, 802.1p, multiple VLANs, and VLAN tagging
  • 27. 26 Deployment Variations Characteristics FIXED MOBILE UEs Antenna High Gain, Directional Antenna Low Gain, OMNI-Antenna Devices Line-of-Sight Condition LOS or Near-LOS Deployment NLOS & Multipath Diversity Coverage / Interference Directional Antenna, Inter-cell Interference Sensitive Small Coverage Areas High RSSI, Higher QAM at Cell Edge Coverage-oriented deployment , Capacity extensions Modulation & Services
  • 28. FMC Deployment Approach - for Fixed and Mobile - for Mobile only • Offload pure Mobile cell sites from Fixed sites or vice versa • Enable higher frequency reuse for Fixed • Low frequency reuse for Mobile is applicable • For 3.5 GHz Hybrid Small Hyper Cell (HSHC) vs HetNet 27
  • 29. 28 Optimized FMC Solution HSS/ AAA IMS Backend Systems WWW Converged RAN Mobile EPC Telrad Distributed EPC • Distributed EPC – Optimized solution for data-centric Mobile & Fixed services  Offloading Fixed / Nomadic traffic from Mobile  Localized traffic termination – saves transport cost  Enabling unified policy and subscription management
  • 30. 29 Dual Mode WiMAX & LTE
  • 31. Dual Mode Benefits • 4G solutions benefit operators navigating new LTE territory • Maximize WiMAX investments • LTE-Advanced capabilities; WiMAX maturity • Smooth migration path at own pace: WiMAX to LTE • Leverage 2.3, 2.5, 3.5 & 3.6 GHz LTE offload solution  Fixed services over LTE - real convergence of mobile & fixed • Cost saving single units • Operational freedom and flexibility • Reduced CAPEX and OPEX 30
  • 32. 31 Multi-Technology Approach No Transition WiMAX Multi Technology SDR Coexistence Co-Existence WiMAX LTE Advanced LTE ASN GW EPC ASN GW EPC
  • 33. 32 Dual Mode Topology Coverage Dense Urban Suburban Urban Rural 4G Dual Mode Portfolio Hidden Areas Remote
  • 34. Let’s Review 33 • Dual Mode Flexibility, Cost Efficiency • WiMAX Advanced -> WiMAX to LTE Migration  Allows WiMAX and LTE operation using same infrastructure  More and more manufacturers will be developing their technology roadmaps with LTE-Advanced product lines  Dual mode functionality helps operators with CAPEX and OPEX  Perfectly suited for African region - affordable, practical evolution  Future-proof investments, enables transition at own pace
  • 35. Our Vision: Enabling TD-LTE For Any Application Mobile Industrial & Private Networks Businesses Residential Video Surveillance 34
  • 36. www.telrad.com