Successfully reported this slideshow.
We use your LinkedIn profile and activity data to personalize ads and to show you more relevant ads. You can change your ad preferences anytime.
TD-LTE in China:Progress and Plan     China	  Mobile	        2012	  May
Outline  1.  About TD-LTE Large Scale Trial  2.  TD-LTE is Ready  3.  Beyond Trial
Large Scale Trial: in 6 Cities, 10+9 Vendors Participating                      •  Guangzhou, Hangzhou , Nanjing, Shanghai...
Large Scale Trial: Over 3000 Engineers Involved and 20000Cases Executed                                   Over 3000 test e...
What Tested: Technology and Product  Infrastructure (10 Vendors)   •  Performance    •  Coverage, Throughput, Latency, HO,...
What Tested: Operation  Upgrade   •  Fast upgrade on 3G TD-SCDMA at 1.9GHz    •  Takes a few hours, existing RRU and anten...
Results: Peak Throughput Reaches Theoretical Value  Peak	  Throughput	    TD-­‐LTE	  results	  (with	  20MHz	  of	  Band	 ...
Results: Latency Meets System Design Target                                                                              3...
Results: Concurrent User Number in One Cell MeetsRequirement of Commercial Operation                                      ...
Results: Network KPI Comparable with Commercial Network                                                                   ...
Results: Networking Capability with Frequency Reuse Factor1 Proved  Networking	  Capability	  with	  Frequency	  Reuse	   ...
Results: Mobile Internet Fits Better to TDD    Traffic	  in	  Mobile	  Broadband	  Era	  is	                  TD-­‐LTE	  can...
Results: 3G to TD-LTE Upgrade is Verified in Band 39  Conclusions                                                         ...
Results: Chipsets / Terminals Reach the CommercialCapability with Single Mode Verified in Large Scale Trial        Chipset...
Latest TD-LTE Industry Status                                 Infrastructures	                                            ...
TD-LTE Going into Commercial Stage   •  8	  commercial	  networks	  (Mobily,	  STC,	  Sopbank,	  Hi3G,	  SkyTV,	  UK	  Bro...
Commercial	  Ac]vi]es	  in	  China	  Beijing	  TD-­‐LTE	  Demonstra]on	  and	  Experiencing	  Network	                    ...
Commercial	  Ac]vi]es	  in	  China	  Hangzhou Network                                                         Hangzhou	  m...
Commercial	  Ac]vi]es	  in	  China	  Hangzhou Network                               First	  commercially	  LTE-­‐Fi	  cove...
Commercial Activities in China  2012                                                2013   Mainland	  9	  ci7es+	  Hongkon...
China	  Mobile	  are	  dedicated	  to	  promote	  a	    converged	  LTE	  network	  development
Thank	  YouThank you
Upcoming SlideShare
Loading in …5
×

LTE World Summit 2012 Day 1 T2 Luo Halyen CHINA MOBILE

9,957 views

Published on

LTE World Summit Barcelona May 2012
Day 1 - CHINA MOBILE

Published in: Business, News & Politics
  • Be the first to comment

  • Be the first to like this

LTE World Summit 2012 Day 1 T2 Luo Halyen CHINA MOBILE

  1. 1. TD-LTE in China:Progress and Plan China  Mobile   2012  May
  2. 2. Outline 1.  About TD-LTE Large Scale Trial 2.  TD-LTE is Ready 3.  Beyond Trial
  3. 3. Large Scale Trial: in 6 Cities, 10+9 Vendors Participating •  Guangzhou, Hangzhou , Nanjing, Shanghai, Shenzhen, Xiamen Cities •  Add up to 83 Million of population Participants Nanjing Shanghai Hangzhou 3  Operators   Xiamen 10  Infrastructure  Vendors Guangzhou 9  Chipset  Vendors   Shenzhen
  4. 4. Large Scale Trial: Over 3000 Engineers Involved and 20000Cases Executed Over 3000 test engineers involved Over 20000 Test cases, some of them are not easy to execute 200  terminals  genera7ng  concurrent   services,  In  one  single  cell
  5. 5. What Tested: Technology and Product Infrastructure (10 Vendors) •  Performance •  Coverage, Throughput, Latency, HO, KPI •  Frequency Reuse •  Reuse 1 and 3 verified & compared •  Multi-antenna •  2-path, 8-path, compact Antennas Terminal (10 Vendors) •  Dedicated Terminal Test •  Single mode, multi-mode, smart phone all tested •  Uu IOT •  47 pairs finished. 10 infra + 10 chipset •  Network IOT •  Inter-vendor connectivity and handover
  6. 6. What Tested: Operation Upgrade •  Fast upgrade on 3G TD-SCDMA at 1.9GHz •  Takes a few hours, existing RRU and antennas intact •  Similar performance compared to fresh new eNB •  China Mobile has 135k TD-SCDMA base stations capable of upgrading to TD-LTE Engineering •  Antenna use case analysis •  2-path, 8-path, compact antennas •  Co-site & Co-antenna Traditional •  TD-LTE+2G/3G co-site practice Antenna •  Indoor Interference Compact •  LTE-WLAN interference solutions antenna
  7. 7. Results: Peak Throughput Reaches Theoretical Value Peak  Throughput   TD-­‐LTE  results  (with  20MHz  of  Band  38) LTE  FDD  Results  from  FDD  operators 90%-­‐99%  of  theore7cal  value,  w/  CAT3   •  97-­‐102Mbps  (20/15  MHz*2.  95%-­‐100%  of   dongles   theore7cal  value)     •  55-­‐60Mbps  (DL:UL  =  2:2,  6  vendors)     •  61Mbps  (10MHz*2.  81%  of  theore7cal   •  76-­‐81Mbps  (DL:UL  =  3:1,  5  vendors) value)  w/  CAT3  dongles   110Mbps  was  achieved  using  CAT4  terminal  in  TD-­‐LTE  system   with  3:1  configura7on. Snapshot  of  TD-­‐LTE  peak  throughput  test DL:  81.09Mbps  
  8. 8. Results: Latency Meets System Design Target 35   30   User  Plane  Latency   30   26   26     25   21   20.03   •  End  to  end  latency  <=30ms  (On-­‐schedule  test   20   results)   15   •  LTE  FDD:  Around  20ms.  2ms  less  than  TDD  in   10   5   theory   0   •  Meets  NGMN  requirement  and  3GPP  design   Vendor  1   Vendor  2   Vendor  3   Vendor  4   Vendor  5   target   U-­‐Plane  Latency  (ms)   120     106     105     109.8   104.6   Control  Plane  Latency   100     85.7   (or:  State  Transi7on  Time)   80     71.3     60     •  Around  100ms,  comparable  with  LTE  FDD,   40     providing  an  “always-­‐online”  &  “always   20     connected”  experience  (~2s  in  WCDMA  HSPA)     •  Meets  NGMN  requirement  and  3GPP  design   0     Vendor  1  Vendor  2  Vendor  3  Vendor  4  Vendor  5  Vendor  6   target   C-­‐Plane  Latency  (ms)  
  9. 9. Results: Concurrent User Number in One Cell MeetsRequirement of Commercial Operation 220   Concurrent  Users  in  one  cell   215   214   215   212   •  More  than  200  users  can  be  connected  to  the   210   same  cell  and  simultaneously  enjoy  DL/UL   204   205   services  (In  WCDMA  HSPA,  typical  value  is   202   202   <=64)   200   •  Everyone  gets  more  than  100kbps  downlink   195   throughput  AND  50kbps  uplink  throughput   vendor1   vendor2   vendor3   vendor4   vendor5   vendor6   •  No  test  result  from  LTE  FDD   Concurrent  User  Number   Example:  Per  User  Throughput   350   DL  Throughput   UL  Throughput   300   Throughput  (kbps) 250   200   150   100   50   0   1   6   11   21   31   41   51   61   71   81   91   101   106   111   116   121   126   131   136   141   146   151   156   161   166   171   176   181   186   191   196   201   16   26   36   46   56   66   76   86   96  
  10. 10. Results: Network KPI Comparable with Commercial Network Live  Network  (CS/PS)   Network  KPI   •  Ajach  Success  Rate:  98.2%-­‐100%  (5  vendors)   •  ~99%  /  ~99%   •  Call  Setup  Success  Rate:  98.7%-­‐99.7%  (4  vendors)   •  ~99%  /  >96%   •  Paging  Success  Rate:  98.2%-­‐100%  (5  vendors)   •  ~99%  /  ~99%   •  Handover  Success  Rate:  98.2%-­‐100%  (7  vendors)   •  >98%  /  >96%   •  Call  Drop  Rate:  0.54%-­‐2%  (4  vendors)   •  <1%      /  <1%   DL  throughput  distribu7on  during  KPI  test Example:  KPI  test  in  Hangzhou 20%   15%   10%   5%   0%   DL  throughput  (Mbps)
  11. 11. Results: Networking Capability with Frequency Reuse Factor1 Proved Networking  Capability  with  Frequency  Reuse   LTE  FDD  Results  from  FDD  operators Factor  1   •  Cell  average  throughput  21.2-­‐37.4Mbps  (26.5%-­‐46.8%  of  system   •  50-­‐56Mbps  (20MHz*2,  31.4%-­‐41.8%  of   maximum  capacity.  7  vendors).     system  maximum  capacity)   •  Test  condi7on:  20UE  in  the  test  cell,  and  the  network  is  70%   •  24-­‐31Mbps  (10MHz*2)   loaded. Tested  in  unloaded  network.     Example:  Cell  throughput  w/  Frequency  Reuse  Factor  =  1 10  test  points  in  test  cell  and   two  UE  at  each  point DL  Per  User    Throughput  –  70%    DL  Per  user  throughput—70%  loaded loaded   2.4   2.25   2.03   Throughput  (Mbps)   1.89   1.72   1.8   1.36   1.22   1.17   1.19   1.18   1.2   1.00   1.01   0.77   0.70   0.80   0.61   0.67   0.58   0.66   0.51   0.46   0.6   0   1   2   3   4   5   6   7   8   9   10  11  12  13  14  15  16  17  18  19  20  
  12. 12. Results: Mobile Internet Fits Better to TDD Traffic  in  Mobile  Broadband  Era  is   TD-­‐LTE  can  Offer  Flexible  UL/DL   Unsymmetric  in  Nature Speed  Ra]o UL:DL  speed  is  about  1:5.94  in  TD-­‐LTE   Ra]o  of  UL:DL  traffic  is  about   system  (UL:DL  ]me  slot  configura]on   1:4-­‐6 Match =  1:3) Typical  UL:DL  ra7o  in  Mobile  Broadband  Era •  Typical  UL:DL  ra7o  offered  by  LTE.   •  TD-­‐LTE  s7ll  has  big  technological  poten7al Web  browsing 1:9-­‐10 Services Video 1:4.5-­‐12 Cell  thruput  (UL/ UL:DL   System Ant. DL,  Mbps)   thruput Interac7ve  service 1:2.6 13.8  /  25   China  Mobile 1:4-­‐6 TD-­‐LTE  2:2   8-­‐path 1  :  1.81   (Test  results) Hong  Kong 1:4 6.9  /  41   TD-­‐LTE  1:3   8-­‐path 1  :  5.94   In  Reality Singapore 1:4.3 (Test  results) Spain 1:4.2 30.98  /  37.55   LTE  FDD   2-­‐path 1:1.21   (Test  results) Romania 1:5.4 TDD  20MHz,  FDD  20*2MHz
  13. 13. Results: 3G to TD-LTE Upgrade is Verified in Band 39 Conclusions R Op7on  1 Op7on  2 R R R U U •  Both  TD-­‐LTE  and  TD-­‐SCDMA   can  work  well  aper  upgrade   •  Upgrade  from  TD-­‐SCDMA  is   an  efficient  way  to  setup  TD-­‐ TDS Basband TDL Baseband TDS Baseband TDL Baseband LTE  network   TDS Control TDL Control TDS Control TDL Control Test results Basic information –  Peak throughput: 81.7-85.1Mbps, about 90.8%-94.6% of theoretical value –  Cell throughput: 47.1Mbps (70% loaded), about 52% of system maximum •  Test locations: Guangzhou, capacity Shenzhen, Hangzhou –  Latency: User-Plane ~20ms, C-Plane ~86ms, meets system design target •  Base station upgraded from and –  Network KPI: co-equipment with TD-SCDMA •  System configuration: •  DL:UL=3:1 Ajach  Success  Rate 98%-­‐100% Call  Setup  Success  Rate 98%-­‐100% •  DwPTS:GP:UpPTS = 3:9:2 Paging  – uccess  Rate S No obvious performance degradation to existing 3Gate 100% Handover  Success  R networks 99%-­‐100% Call  Drop  Rate 0-­‐1% •  Terminal: CAT4 CPE
  14. 14. Results: Chipsets / Terminals Reach the CommercialCapability with Single Mode Verified in Large Scale Trial Chipsets/Terminals  are  fully  tested  on  performance,  func7onality  and  IOT.   Lab  and  Small  Scale  Field  Tests Large  Scale  Trial •  Func7on  and  performance  test:    8  vendors  finished   Single   •  Uu  IOT:  47  pairs  finished     6  chipsets  finished  all  tests  in   Mode 2011          (10  infrastructures  and    10  chipsets  involved)   Mul]-­‐   •  2G/3G/LTE  Interworking:      5  vendors  finished   3  chipsets  will  finish  by  this   Mode          (2  vendors  under  test,  including  1  smart  phone)   April   Performance   Inline  with  network  performance:  peak  throughput,  cell  throughput,  KPI  and  latency     Stabiliza]on:   •  100%  success  rate  on  cell  search,  selec7on,  ajachment,  detachment  and  tracing  area  update   •  All  terminals  reach  60-­‐minute  long-­‐running  7me  with  stable  performance   IOT  capability  is  proved  for  each  chipset
  15. 15. Latest TD-LTE Industry Status Infrastructures   Chipsets   Instruments   Ø  More  than  50  types  of   Ø  Commercial  products:   Ø  Products  from  10  vendors   instruments  from  over  20   released                                                      10  vendors vendors  released Ø  Over  10  vendors  have  clear   Ø  Same  level  with  FDD  products   Ø  Most  have  common  plasorm   roadmap   with  LTE  FDD   Breakthrough  of  TD-­‐LTE  Terminal   2011,  36  models  available,  par]ally   2012,  more  models  will  be  commercially   commercially  released.   released,  including  smart  phone.   USB  Dongles CPE CPE   Band  39/40   TD-­‐LTE   USB   TD-­‐LTE  CPE   Band  38/40   Band38/39/40   Phones Tablet LTE  Hotspot   Smart  Phone   Band  38/40   TD-­‐LTE+2G/3G   Band  38/39/40  
  16. 16. TD-LTE Going into Commercial Stage •  8  commercial  networks  (Mobily,  STC,  Sopbank,  Hi3G,  SkyTV,  UK  Broadband,   Bhar7)  and  37  trial  networks  deployed   -­‐  Around  9000  base  sta7ons  worldwide  setup  by  the  end  of  2011   •  GTI  Plan  and  Ac]ons  was  released  by  united  operators  during  LTE  TDD/FDD   Interna7onal  Summit,  February  2012,  Barcelona   -­‐  Achieve  500,000  TD-­‐LTE  base  sta7ons  and  2,000  million  popula7on   coverage  by  2014   Trial  Networks  Distribu]on 46  Worldwide  Operators  Joined  GTI   North  A merica By  2012.4.15 2 3 3 South  A merica Europe 17 12 Asia Oceania
  17. 17. Commercial  Ac]vi]es  in  China  Beijing  TD-­‐LTE  Demonstra]on  and  Experiencing  Network   l  TD-LTE Coverage - In first phase, 81 base stations have been set up and opened. - Areas is around Chang’an Street, part of financial street and some industry/research areas including BUPT, CATR.l   TD-­‐LTE  terminal  for  demo  and  experiencing  - Including data card, CPE and mobile hotspot, and most of them support TD-LTE/TD-SCDMA.- Now, data cards have good and stable performance (DL: ~59Mbps,UL:~17Mbps, Time Slot configuration DL:DL = 2:2). Data card ……   ZTE innofidei Leadcore Sequans Hisilicon   Qualcomm CPE ……   ZTE innofidei Sequans Altair on  developing  and  tes7ng Mobile Hotspot ……   NSN MediaTeK Sequans on  developing  and  tes7ng
  18. 18. Commercial  Ac]vi]es  in  China  Hangzhou Network Hangzhou  map 2012 Q2 •  500 macro in band 39 •  200 macro in band 38 •  100 indoor coverage •  Green line in the right map 2012 Q3 •  1000 Macro in band 39 •  500 macro in band 38 •  500 indoor coverage •  Red line in the right map Band  39  TD-­‐SCDMA  live  network  can  be  upgraded  smoothly  to  the  TD-­‐LTE  sharing  same  hardware   •  Only  upgrade  RRU’s  sopware.  BBU  shelf  is  shared   •  takes  less  than  three  hours     In  short  ]me  we  can  complete  the  co-­‐module  upgrade  of  TD-­‐SCDMA  sites  in  order  to  achieve  the  same   coverage  of  TD-­‐LTE     •  5000  TD-­‐SCDMA  sites  in  Hangzhou,  20,000  in  Zhejiang  province,  more  than  250,000  na7onwide
  19. 19. Commercial  Ac]vi]es  in  China  Hangzhou Network First  commercially  LTE-­‐Fi  covered  bus  Line! •  B1 line lasts 28Km, 20 stops, covered by 74 BS B1 Bus Line •  LTE-Fi installed on 55 B1 buses & 20 stations •  Providing Wi-Fi access to users, no need of LTE dongles or terminals Excellent Fast market Experience acceptance •  60 users browsing •  About 10000 daily LTE-Fi internet, IM, apps at the users on B1 bus line same time, got great experience •  450 users online at the same time •  Each LTE-Fi provides 30Mbps DL throughput •  Each user consumes to the bus, averagely 100MB data traffic a day
  20. 20. Commercial Activities in China 2012 2013 Mainland  9  ci7es+  Hongkong   Major  ci7es   20,000+  BS   200,000+  BS   100M+  popula7on 300M  popula7on   LTE  TDD/FDD  mul7band    MiFi
  21. 21. China  Mobile  are  dedicated  to  promote  a   converged  LTE  network  development
  22. 22. Thank  YouThank you

×