1. Introduction to WiMAX BP Tiwari beyond4g.org 1 2. Presentation outline Drivers of Mobile broadband Overview of WiMAX WiMAX technology WiMAX Performance WiMAX Evolution WiMAX Ecosystem and Devices WiMAX Commercial Deployments Beyond 4G 2 Introduction to WiMAX 3. Global broadband divide Source : ITU, 2009, http://www.itu.int/ITU-D/ict/papers/2009/Press%20briefing_Telecom09.pdf Beyond 4G 3 Introduction to WiMAX 4. The rise of mobile broadband 1800 1600 Mobile Broadband 1400 1200 1000 800 600 Fixed Broadband 400 200 0 2007 2008 2009 2010 2011 2012 2013 Beyond 4G 4 Introduction to WiMAX 5. Drivers for Mobile WiMAX Bridging the digital divide High wire line deployment cost lack of competition in local loop Need for nomadic broadband services Source: CISCO VNI Beyond 4G 5 Introduction to WiMAX 6. WiMAX Standardization history Release 1.0 Release 1.5 Beyond 4G 6 Introduction to WiMAX 7. WiMAX Release 1.0 Key Features High spectral efficiency OFDM in Downlink Robust against multipath interference High affinity to advanced techniques MIMO ( MIMO + BF) Advanced Scheduling Frequency diversity gains OFDMA User orthogonality in frequency domain Multi-antenna application Improved latency Short setup time & Short transfer delay Short HO latency and interruption time Support of variable bandwidth 5, 10 20 (optional, 1.5 Release) MHz Beyond 4G 7 Introduction to WiMAX 8. WiMAX Release 1.0 Key Features cont. Adaptive modulation and coding (AMC) with higher order modulation: QPSK, 16QAM, and 64QAM HARQ for coverage/capacity enhancement Advanced channel coding: CC, CTC2) Connection-based MAC for QoS management 5 QoS categories: UGS, rtPS, ertPS, nrtPS, and BE3) Dynamic resource allocation Power management: sleep mode and idle mode Handover: hard handover and optimized hard handover4) Multicast broadcast service (MBS) Simple Architecture BTS with profile C Smaller number of RAN interfaces BTS ASN-GW ( control and data) Beyond 4G 8 Introduction to WiMAX 9. Standardization bodies for WiMAX MSS ASN CSN ASP HA ASN-GW Internet IEEE 802.16 & WiMAX Forum NWG, OMA IETF WiMAX Forum NWG Technical WG Beyond 4G 9 Introduction to WiMAX 10. Understanding WiMAX Releases WiMAX 1 WiMAX 2 Release 1.0 PHY Features Release 1.5 PHY Features Release 2 PHY Features Scalable-OFDMA TDD, FDD, HD-FDD Channel BW TDD 700 MHz/2 GHz, 5 to 20 MHz, 40 MHz (optional) 2.3/2.5/3.4/3.8 GHz Chan BW: 3.5 to 20 MHz (optional) Up 100 MHz with channel Chan BW: 5 to10 MHz DL Chan Data Rate aggregation Peak 144 Mbps DL Chan Data Rate DL Chan Data Rate Avg SE: 1.6 bps/Hz Peak: 160 Mbps for 20 MHz BW, 2x2 Peak: 46 Mbps (2x2) MIMO MIMO, Up to 1000 Mbps with UL Chan Data Rate Avg SE: 1.3 bps/Hz channel aggregation Peak: 138 Mbps UL Chan Data Rate Avg SE: >2.6 bps/Hz (2x2) MIMO Avg SE: 1.0 bps/Hz Peak: 14 Mbps (1x2) SIMO UL Chan Data Rate VoIP: >35 sessions/MHz Avg SE: 0.7 bps/Hz Avg SE: >1.3 bps/Hz AAS VoIP Efficiency (DL/UL=1) AAS DL Closed & Open Loop MIMO with AMC 25 simultaneous sessions/MHz DL: (4x4), (8x8) UL Open Loop STC/SM MIMO with AMC AAS & PUSC UL: (1x4), (2x4), (4x4) Flexible Frequency Re-use DL: (1x2),(2x2),(4x2) Increased VoIP capacity UL: (1x2) Beyond 4G Source: WiMAX Forum 10 10 Introduction to WiMAX 11. Evolution of MAC/Network Features in WiMAX MobileWiMAX 1 WiMAX Release 1 WiMAX 2 Network R1.0 Features Network R1.5 Features Network R1.6 Features (to be Network Release 2 (Completed) completed by 1Q2 010) Features (Completed) IPv6 ASN anchored mobility, Persistent scheduling for Femtocell (to be completed by 3ASN profiles reduced MAC OH 1Q2011) CSN anchored mobility ETS Seamless handover Reduced Latency (CMIP, PMIP) Load Balancing Multi-hop relays IPv4 & optional IPv6 Services Self-organizing capability Connectivity GPS & non-GPS Location (SON) Idle mode and paging based services Services EAP-based authentication Enhanced Multicast & Enhanced VoIP support DSL, 3GPP and 3GPP2 Broadcast services Enhanced MBS (both static Interworking WiMAX-WiFi-Bluetooth and dynamic multicasting) Services coexistence Enhancements to LBS Mobile, portable, nomadic, Ethernet services Mobility: up to 500 km/hr fixed Public Safety & emergency Pre-provisioned/static QoS services Pre- and Post-paid RADIUS O & M Features Accounting OTA pre-provisioning & device Roaming (RADIUS only) management O&M Features Network discovery/selection Source: WiMAX Forum Beyond 4G 11 11 Introduction to WiMAX 12. General IMT Advanced Requirement 16m is an evolution of 16e 16m will meet or exceed IMT-Advanced requirements within the ITU-R time plan IEEE candidate for IMT advanced was submitted Rel 2.0 Performance IMT-Advanced System requirements and time plan Rel1.0 Time Beyond 4G 12 Introduction to WiMAX 13. Parameter Release-1 Release 1.5 Release 2 IMT Advanced Peak spectral efficiency 6.2(2X2) 6.5(2X2) DL: 8.0/15.0 DL: 15.0 (b /s/ Hz/ sector) 1.3(1X2) 1.3(1X2, Without (2x2/4x4) UL: 6.75 (Mixed Mobility) 64 QAM) UL: 2.8/6.75 (1x2/2x4) Average spectral 1.3 (2x2) 1.6 (2x2) DL (4x2) = 2.41 DL (4x2) = 2.2 efficiency 0.7(1X2) 0.9(1X2) UL (2x4) = 2.0 UL (2x4) = 1.4 (b /s/ Hz/ sector) 2 Times Cell Edge Spectral DL (2x2) = 0.09 DL (2x2) = 0.09 DL (2x2) = 0.09 DL (4x2) = 0.06 (b /s/ Hz/ sector) UL (1x2) = 0.05 UL (1x2) = 0.05 UL (1x2) = 0.05 UL (2x4) = 0.03 Latency C-plane: 100 ms C-plane: 100 ms C-plane: 100 ms C-plane: 100 ms (idle (idle to active) (idle to active) (idle to active) to active) U-plane: 40-50 U-plane: 40-50 ms U-plane: 10 ma U-plane: 10 ms ms Mobility Support up to 120 Support up to 350 Support up to 350 0.55 at 120 km/h Kmph Kmph Kmph 0.25 at 350 km/h Handover Interruption time < 60 ms 1.2 Mbps > 7 Mbps > 20 Mbps 20+ Mbps Source : NGMN simulaitons presented by Motorola, Paul Sten at LTE ASIA 09 WIMAX Rel 1.0 number is presented by simulation done by SAMSUNG Beyond 4G 16 Introduction to WiMAX 17. Understanding Peak vs Average throughput Parameter HSPA HSPA + WiMAX Rel (Rel6) (Rel 7, 1.0 ( 10 Mhz ,MIMO & TDD) 64QAM) Peak DL/Sector 14.4 Mbps 28 Mbps 37 Mbps Peak UL/Sector 5.76 Mbps 11.5 11 Mbps Average DL Sector 3.2 Mbps 3.5 Mbps 6.9 Mbps Average UL 1.5 Mbps 1.5 Mbps 1.8 Mbps Sector 10 Subs/Full Buffer 320 kbps 350 kbps 690 kbps Total BTS ( DL + UL ) 14.1 Mbps 15 Mbps 26.1 Mbps Beyond 4G 17 Introduction to WiMAX 18. WiMAX Ecosystem END 130 Other Suppliers SAM S ZTE UNG HUA UNG S WEI SAM EI Vend tem MOT 44 C W O HUA L ors ZTE ROLA Sys ZYXE IBA PE S ALU H 510 Member Companies TOS 126 AlVA S RION 520 Tracked Deployments ASU u pplie 25 Certified BTS Supplier 44 Certified suppliers rs 165 certified forms Se ice m 30 ndu erv s ic + ct o + S er 50 ovid C QC 1 r B CT L LE G TE or P U T A W UN UA M PI AV CO NS s AR IN R Q CE K T W C E M SE EE YO 1 C AT IR P E IP O S H Beyond 4G 18 Introduction to WiMAX 19. WiMAX Devices Roadmap WiMAX Chipset Providers MIDs Beceem Intel SeQuans Samsung Consumer Devices GCT Marvell Runcom Mediatek Wavesat Fujitsu Redpine XRONet GSM+WIMAX AppaceWave POSData Altair AmpTech Single/Dual, Laptop Single band Amicus Wireless WiSpry Netbooks, triband Mbit Silicon Hive picoChip RF-Only RF Magic Maxim SierraMonolithics NXP Parmity STMicro Comsys Infineon Motorola NEC WiMAX+WiFi WiMAX Only WiMAX+WiFi+Voip PMC-Sierra TI 2008 2009 2010 2011 2012 Beyond 4G 19 Introduction to WiMAX 20. WiMAX Deployment update 2.3 GHz Deployments*** 29 2.5 GHz Deployments*** 68 3.3 GHz Deployments*** 9 3.5 GHz Deployments*** 24 5 5+ GHz Deployments*** 20 Clearwire 29 markets , 200 K subs Yota , 200 K subs KT , 150+ K subs UQ , Nationwide rollout Clearwire 29 markets , 200 K subs Beyond 4G 20 Introduction to WiMAX 21. Thanks Beyond 4G 21 Introduction to WiMAX