Your SlideShare is downloading. ×
Day 2-keynote-0920 yoshioki-chika-20120524
Upcoming SlideShare
Loading in...5
×

Thanks for flagging this SlideShare!

Oops! An error has occurred.

×

Introducing the official SlideShare app

Stunning, full-screen experience for iPhone and Android

Text the download link to your phone

Standard text messaging rates apply

Day 2-keynote-0920 yoshioki-chika-20120524

987
views

Published on

LTE World Summit Barcelona May 2012 Day 2

LTE World Summit Barcelona May 2012 Day 2

Published in: Technology, Business

0 Comments
1 Like
Statistics
Notes
  • Be the first to comment

No Downloads
Views
Total Views
987
On Slideshare
0
From Embeds
0
Number of Embeds
0
Actions
Shares
0
Downloads
29
Comments
0
Likes
1
Embeds 0
No embeds

Report content
Flagged as inappropriate Flag as inappropriate
Flag as inappropriate

Select your reason for flagging this presentation as inappropriate.

Cancel
No notes for slide

Transcript

  • 1. TrueMobile Broadband Wireless City Planning a Softbank company Copyright © 2012 Wireless City Planning inc. all rights reserved. 1
  • 2. Traffic Explosion 3G 2G1973 1993 2000 2007 Copyright © 2012 Wireless City Planning inc. all rights reserved. 2
  • 3. An inconvenienttruth x1K 10 years x 32 5 years x2/year Copyright © 2012 Wireless City Planning inc. all rights reserved. 3
  • 4. “Cloud” requireshuge radiocapacity Let there be light Copyright © 2012 Wireless City Planning inc. all rights reserved. 4
  • 5. We must survive against Data StormCopyright © 2012 Wireless City Planning inc. all rights reserved. 5
  • 6. What do we have to do?Copyright © 2012 Wireless City Planning inc. all rights reserved. 6
  • 7. Smaller Cell Reduce Interference Copyright © 2012 Wireless City Planning inc. all rights reserved. 7
  • 8. BS1 BS2 Simple BS3 Smaller Cell Poor fringe quality Copyright © 2012 Wireless City Planning inc. all rights reserved. 8
  • 9. BS1 BS2 BS3 Smaller Cell + nice Interference Cancel Technologies Copyright © 2012 Wireless City Planning inc. all rights reserved. 9
  • 10. Next 10 to 15 Years Copyright © 2012 Wireless City Planning inc. all rights reserved. 10
  • 11. All bandsGSM, UMTS LTE Copyright © 2012 Wireless City Planning inc. all rights reserved. 11
  • 12. Three differentapproaches toLTE Copyright © 2012 Wireless City Planning inc. all rights reserved. 12
  • 13. 1. GSM with limited WCDMA2. Cdma / WiMAX3. Well deployed UMTS Copyright © 2012 Wireless City Planning inc. all rights reserved. 13
  • 14. GSM with limitedWCDMA Skip 3G Save 3G Investment Copyright © 2012 Wireless City Planning inc. all rights reserved. 14
  • 15. All in one chipare shipping GSM UMTS LTE Single Eco-system Copyright © 2012 Wireless City Planning inc. all rights reserved. 15
  • 16. Share existing facilitiesCopyright © 2012 Wireless City Planning inc. all rights reserved. 16
  • 17. First applicationof LTE Wireless DSL Nomadic Data Copyright © 2012 Wireless City Planning inc. all rights reserved. 17
  • 18. Smart PhoneSmart PhoneReady 2012Gradually Copyright © 2012 Wireless City Planning inc. all rights reserved. 18
  • 19. 1. GSM with limited WCDMA2. Cdma / WiMAX3. Well deployed UMTS Copyright © 2012 Wireless City Planning inc. all rights reserved. 19
  • 20. Eco-system issue forcdma / WiMAX Nationwide LTE migration rapidly with VoLTE Copyright © 2012 Wireless City Planning inc. all rights reserved. 20
  • 21. 1. GSM with limited WCDMA2. Cdma / WiMAX3. Well deployed UMTS Copyright © 2012 Wireless City Planning inc. all rights reserved. 21
  • 22. Well deployedUMTS deploy LTE for capacity Copyright © 2012 Wireless City Planning inc. all rights reserved. 22
  • 23. fortunatelyCopyright © 2012 Wireless City Planning inc. all rights reserved. 23
  • 24. ConcentratedTraffic Copyright © 2012 Wireless City Planning inc. all rights reserved. 24
  • 25. 70% > TRFgenerated at Indoor Copyright © 2012 Wireless City Planning inc. all rights reserved. 25
  • 26. Urban/Suburban Nation Wide +4G+Wi-Fi 2/3G 2/3G Copyright © 2012 Wireless City Planning inc. all rights reserved. 26
  • 27. High Dense & PinpointCopyright © 2012 Wireless City Planning inc. all rights reserved. 27
  • 28. High Dense & PinpointCopyright © 2012 Wireless City Planning inc. all rights reserved. 28
  • 29. AlsoCopyright © 2012 Wireless City Planning inc. all rights reserved. 29
  • 30. All bandsGSM, UMTS 4G Copyright © 2012 Wireless City Planning inc. all rights reserved. 30
  • 31. Use Bands as WiFi a Cocktail Capacity Pico 3500MHz 2600MHzCoverage (Power) Micro 2100MHz Macro 1800/1900MHz Macro 700-900MHz Copyright © 2012 Wireless City Planning inc. all rights reserved. 31
  • 32. Today each band (system) has Capacity various size Fem of cell to e Pico nc PicoCoverage 2G Micro re fe Micro 3G r 900MHz Macro te Macro 2.1GHz In Macro Macro 32 Copyright © 2012 Wireless City Planning inc. all rights reserved.
  • 33. WiFiDedicated Pico bands Capacitywould give us ahuge Capacity Pico 3500MHz 2600MHz Coverage (Power) 2300MHz Micro 2100MHz Macro 1800/1900MHz Macro 700-900MHz Copyright © 2012 Wireless City Planning inc. all rights reserved. 33
  • 34. soCopyright © 2012 Wireless City Planning inc. all rights reserved. 34
  • 35. OffloadTraffic 2/3G 4G & WiFi Copyright © 2012 Wireless City Planning inc. all rights reserved. 35
  • 36. Is this enough?Copyright © 2012 Wireless City Planning inc. all rights reserved. 36
  • 37. No!Copyright © 2012 Wireless City Planning inc. all rights reserved. 37
  • 38. An inconvenient x1KTrue 10 years x 32 5 years x2/year Copyright © 2012 Wireless City Planning inc. all rights reserved. 38
  • 39. what could we do more against Data StormCopyright © 2012 Wireless City Planning inc. all rights reserved. 39
  • 40. TDDCopyright © 2012 Wireless City Planning inc. all rights reserved. 40
  • 41. TDDCopyright © 2012 Wireless City Planning inc. all rights reserved. 41
  • 42. Mobile Internetfits better toTDD Copyright © 2012 Wireless City Planning inc. all rights reserved. 42
  • 43. Internet fits better to TDD FDD = Voice Symmetric Internet = TDD Asymmetric & Broadband Copyright © 2012 Wireless City Planning inc. all rights reserved. 43
  • 44. FDD TDD Guard Band >>10%T T UL Guard Time <<10% UL GB DL DL F F U:D=1:1 N:1 Copyright © 2012 Wireless City Planning inc. all rights reserved. 44
  • 45. 2.5/2.6GHz FDD TDD B7 B41 T T 25% 5% 37% 26% 37% 2x 70% F F 190MHz 190MHz Copyright © 2012 Wireless City Planning inc. all rights reserved. 45
  • 46. Inter Bands Guard Band >>10% TFDD UL DL UL DL F T UL = UL ULTDD DL DL DL F Copyright © 2012 Wireless City Planning inc. all rights reserved. 46
  • 47. So, I would say… Copyright © 2012 Wireless City Planning inc. all rights reserved. 47
  • 48. TDD is the hope against Data StormCopyright © 2012 Wireless City Planning inc. all rights reserved. 48
  • 49. butCopyright © 2012 Wireless City Planning inc. all rights reserved. 49
  • 50. People ask me… Copyright © 2012 Wireless City Planning inc. all rights reserved. 50
  • 51. DoesTDD have aeco-system? Copyright © 2012 Wireless City Planning inc. all rights reserved. 51
  • 52. Global TD-LTE Initiative (GTI) Since Feb 2011 in MWCInitiators China Mobile Bharti Airtel 32 Operators Softbank Vodafone ClearWire *Include several WiMAX operators. Copyright © 2012 Wireless City Planning inc. all rights reserved. 52
  • 53. 600M 200M Over 200M 33M 1Billionand more... Subscribers Copyright © 2012 Wireless City Planning inc. all rights reserved. 53
  • 54. TDD band 3.7GHz 200MHz 3.5GHz 200MHzopportunities 2.6GHz 200MHz 2.3GHz 100MHz 1.9GHz 40MHz 2.0GHz 15MHz 755MHz Bandwidth Copyright © 2012 Wireless City Planning inc. all rights reserved. 54
  • 55. TDD ≒ FDDfor LTE GSM UMTSLTE[F&T] Single Eco-system Copyright © 2012 Wireless City Planning inc. all rights reserved. 55
  • 56. Also Copyright © 2012 Wireless City Planning inc. all rights reserved. 56
  • 57. People ask me… Copyright © 2012 Wireless City Planning inc. all rights reserved. 57
  • 58. Has TDDbeen matured? Copyright © 2012 Wireless City Planning inc. all rights reserved. 58
  • 59. Yes!It’s working Now! Copyright © 2012 Wireless City Planning inc. all rights reserved. 59
  • 60. System Launchedin Nov.1st 2011 Major 30+ Cities Tokyo, Osaka, Nagoya… Copyright © 2012 Wireless City Planning inc. all rights reserved. 60
  • 61. 4G TDD Max. 110Mbps (20MHzBW) Copyright © 2012 Wireless City Planning inc. all rights reserved. 61
  • 62. Feb 2012Commercial MiFiDevice 4G+3G Copyright © 2012 Wireless City Planning inc. all rights reserved. 62
  • 63. 2012 2012NW SupportsSmart Phone Copyright © 2012 Wireless City Planning inc. all rights reserved. 63
  • 64. Accelerating Deployments ‾2000eNB/MonthCopyright © 2012 Wireless City Planning inc. all rights reserved. 64
  • 65. 2013 2013Most of TRFCoverage Copyright © 2012 Wireless City Planning inc. all rights reserved. 65
  • 66. Only OneSmall Concern is Copyright © 2012 Wireless City Planning inc. all rights reserved. 66
  • 67. Launch before ChinaCopyright © 2012 Wireless City Planning inc. all rights reserved. 67
  • 68. OurPotentials Copyright © 2012 Wireless City Planning inc. all rights reserved. 68
  • 69. 160k Micro cell Sitesare availablefor 4G 150BS/km 2 Copyright © 2012 Wireless City Planning inc. all rights reserved. 69
  • 70. More speedMore antennaelementsN MIMO : N elements Copyright © 2012 Wireless City Planning inc. all rights reserved. 70
  • 71. Which one is easier to havemore antenna elements? Copyright © 2012 Wireless City Planning inc. all rights reserved. 71
  • 72. Cloud RAN BBU Dark FiberDistributed RRH Cloud BBU @sites @LXC office Copyright © 2012 Wireless City Planning inc. all rights reserved. 72
  • 73. Which one ismuch intelligent?Distributed RAN Cloud RAN Copyright © 2012 Wireless City Planning inc. all rights reserved. 73
  • 74. Which one islower power consumption?Distributed RAN Cloud RAN Copyright © 2012 Wireless City Planning inc. all rights reserved. 74
  • 75. Which one ismore robust? N+1Distributed RAN Cloud RAN w/pooling BBU Copyright © 2012 Wireless City Planning inc. all rights reserved. 75
  • 76. Cloud RANThe best performance for Mobile BB Copyright © 2012 Wireless City Planning inc. all rights reserved. 76
  • 77. butCopyright © 2012 Wireless City Planning inc. all rights reserved. 77
  • 78. Except for JapanDark Fiberdoes not existeverywhere! with reasonable price Copyright © 2012 Wireless City Planning inc. all rights reserved. 78
  • 79. What could we dow/o centralized solution? Copyright © 2012 Wireless City Planning inc. all rights reserved. 79
  • 80. TDDCopyright © 2012 Wireless City Planning inc. all rights reserved. 80
  • 81. TDDCopyright © 2012 Wireless City Planning inc. all rights reserved. 81
  • 82. Diversity of opinion Independence Decentralization AggregationCopyright © 2012 Wireless City Planning inc. all rights reserved. 82
  • 83. We should know the Power ofTDD’s FrequencyReciprocity Beam Forming Null Steering Copyright © 2012 Wireless City Planning inc. all rights reserved. 83
  • 84. Using reciprocityTDD => Autonomous nice performance without Dark Fiber Copyright © 2012 Wireless City Planning inc. all rights reserved. 84
  • 85. We would say Copyright © 2012 Wireless City Planning inc. all rights reserved. 85
  • 86. We provides True Mobile Broadband Copyright © 2012 Wireless City Planning inc. all rights reserved. 86