Wimax Technology Performance V0.1

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Wimax Technology Performance V0.1

  1. 1. Understanding WiMAX Performance BP Tiwari beyond4g.org 1
  2. 2. Presentation Outline  WiMAX Technology Performance – Rel 1.0/Rel 1.5/ Rel 2.0  WiMAX and 3G – HSPA vs WiMAX  WiMAX and LTE – LTE Rel 8 vs WiMAX 1.0 – 16m vs LTE Rel8 – 16m vs IMT-A Beyond 4G 2 WIMAX Network Architecture
  3. 3. WiMAX Technology Advancements Parameter Release-1 Release-1 Enhanced Release 2 Duplex TDD TDD FDD TDD FDD Channel BW 5/10 MHz 5/10 MHz & 2x10 MHz & • 5/10/20 MHz( 40 • 10 MHz/20 MHz( 20 MHz( 2x20 MHz MHz optional) 40 MHz optional) Optional) (Optional) • Carrier • Carrier Aggregation up Aggregation up to to 100 MHz 100 MHz Downlink (2x2) SU-MIMO (2x2,4X2) SU-MIMO DL : (4x4), (8x8) SU-MIMO,MU-MIMO Uplink (1x2) SIMO (1x2) SIMO UL: (1x4), (2x4), (4x4) (SIMO,MU- MIMO,SU-MIMO) Permutation PUSC AMC RU DL Modulation 64QAM 64QAM 64QAM DL FEC Coding 5/6 5/6 5/6 UL Modulation 16QAM 64QAM 64QAM UL FEC Coding 3/4 5/6 5/6 Beyond 4G 3 WIMAX Network Architecture
  4. 4. WiMAX Technology Performance Parameter Release-1 Release Enhanced Release 2 Peak spectral efficiency 6.2(2X2) 6.5(2X2) DL: 8.0/15.0 (2x2/4x4) (b /s/ Hz/ sector) (Mixed 1.3(1X2) 1.3(1X2) UL: 2.8/6.75 (1x2/2x4) Mobility) Average spectral 1.3 (2x2) 1.6 (2x2) DL (2x2) = 2.6 efficiency 0.7(1X2) 0.9(1X2) 2 Times UL (1x2) = 1.3 (b /s/ Hz/ sector) Cell Edge Spectral DL (2x2) = 0.09 DL (2x2) = 0.09 DL (2x2) = 0.09 (b /s/ Hz/ sector) UL (1x2) = 0.05 UL (1x2) = 0.05 UL (1x2) = 0.05 Latency C-plane: 100 ms (idle C-plane: 100 ms (idle to C-plane: 100 ms (idle to active) to active) active) U-plane: 10 ms U-plane: 40-50 ms U-plane: 40-50 ms Mobility Support up to 120 Kmph Support up to 350 Kmph Support up to 350 Kmph Handover Interruption time < 60 ms <60ms Intra frequency: 27.5 Inter frequency: 40 (in a band) 60 (between bands) Voip Capacity 12,5 (MHz) TDD 31.6 FDD 60 (DL 2x2 and UL 1x2) Beyond 4G 4 WIMAX Network Architecture
  5. 5. Peak vs Average Spectral Efficiency 16 15 14 12 10 8 8 6.4 6.75 6 6 4 2.8 2.8 1.3 2 0 1 2 3 4 Peak DL Peak UL 2008 2010-11 2013-2014 3 2.4 2.5 2.5 2.3 2 1.6 1.5 1.3 1.3 0.9 1 0.7 0.5 0 1 2 3 4 Average DL Average UL 2008 2010-11 2013-2014 Beyond 4G 5 WIMAX Network Architecture
  6. 6. Understanding Evolution Parameter Release 1.0 Release 1.5 Release 2.0 DL (2X2), DL (2X2), DL (2X2), DL (4X2), DL (4X4), UL(1X2) UL(1X2) UL(1X2) UL(2X4) UL(2X4) Peak DL bit/s/Hz/sector 6 6.4 8 15 30 Peak UL bit/s/Hz/sector 1.3 2.8 2.8 6.75 15 Average DL bit/s/Hz/sector 1.3 1.6 2.3 2.4 3.1 Average UL bit/s/Hz/sector 0.7 0.9 1.3 2 2.5 Data Rate 10 MHz 8.06 9.92 14.26 14.88 19.22 Date Rate 10 MHz 2.66 3.42 4.94 7.6 9.5 2008 2010 2012 2013 2014 Beyond 4G 6 WIMAX Network Architecture
  7. 7. The Big Evolution Picture 500 642% growth 400 300 200 Number of subs per sector supporting the Data Rate per User 100 140 0 120 2010 2011 2012 2013 2014 2015 100 80 Data Rate Grow th Number of subs per sector supporting the Data Rate per User 60 40 20 0 2010 2011 2012 2013 2014 2015 Taking Technology evolution DL - 10 MHz in Mbps Number of subs per sector supporting the Data Rate per User 25 20 15 10 1. Need Bigger Chunks of 5 0 Spectrum 2010 2011 2012 2013 2014 2015 Taking Technology evolution DL - 10 MHz in Mbps 2. 20 Mhz to 40 MHz support 3. Multi carrier Aggregation Beyond 4G 7 WIMAX Network Architecture
  8. 8. Lets understand Capacity WiMAX and HSPA HSPA ( Rel6) HSPA+(Rel7,QAM64) WIMAX (Rel 1.0) Sector Throughput Sector Throughput Sector Throughput DL 3.2 DL 3.52 DL 8.06 ( 1X3X1) 20 % 23% 12 % 8% 23% 4% WCDMA CELL BREATHING > 1.2 Mbps > 7 Mbps > 20 Mbps 20+ Mbps Beyond 4G Source : NGMN simulaitons presented by Motorola, Paul Sten at LTE ASIA 09 WIMAX Rel 1.0 number is presented by simulation done by SAMSUNG 8 WIMAX Network Architecture
  9. 9. The Whole Picture LTE 8 Downlink 4X2 WIMAX HSPA+ HSPA 8.35 8.04 EV-DO Rev A Downlink 2X2 3.5 Downlink 1X1 .5 3.2 1.25 MHz 5 Uplink .5 1.56 No 64 QAM 1.56 2.66 3.8 WIMAX is TDD 10MHz Beyond 4G 9 WIMAX Network Architecture
  10. 10. 16m and IMT-A Ant. Config. Rel. 1.0/1.5 Rel 2.0 IMT- Advanced*3 Capacity DL 2-by-2 1.3-1.5 2.3 – [bps/Hz/cell] x1.4-1.6 4-by-2 1.87 2.6 2.2 4-by-4 NA 3.1 – UL 1-by-2 0.7-.9 1.3 – 2-by-4 – 2.1 1.4 Note : Bases on IEEE evaluation report submitted to ITU Beyond 4G 10 WIMAX Network Architecture
  11. 11. Thanks  Feel free to email any clarification or additional input at admin@beyond4g.org Beyond 4G 11 WIMAX Network Architecture
  12. 12. Thanks Beyond 4G 12 WIMAX Network Architecture

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