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.

IoT and Evolution of Mobile Networks toward 5G

No one can predict unforeseen killer applications enabled by new wireless technologies (e.g., 5G network) beforehand. Looking back 20-year history of mobile wireless network, it has been very tough to prepare killer applications a prior to the emergence of new radio access technologies. NTT DOCOMO’s i-mode was not prepared for 2G always-on network., and invented after that. Smartphones with application markets became popular after the 3G network deployment, for which video conversation had been prepared a a killer service candidate and which didn’t make a success. 4G network brought us more capacity and low latency network, while youtube, hulu, Netflix, facebook messenger and others were natured by such a rich mobile communication environment with cloud platforms.
Everyone, nowadays, are talking about a buzz word “IoT” without having a solid idea for monetization. Such a bold discussion may mislead our radio access technology development to an unpromised land.
My recommendation is “Decide as late as possible, particularly for decisions that are irreversible.” According to software engineering terminology, it says also “late binding.” Don’t rush into a 10Gps broadband network nor a hyper low latency and 0% packet-loss assured network.

Having said that, the 5G beam forming radio technology (enabled by Massive MIMO) will bring a unique communication characteristics with a more reliable, higher capacity and 3D-positioning. My bet on 5G killer applications is “Night Golf” where you can play golf without seeing a ball which is being identified by the 5G radio. haha.

  • Be the first to comment

IoT and Evolution of Mobile Networks toward 5G

  1. 1. Evolution of Mobile Networks and IoT (IoT時代の5Gネットワーク) Mick Etoh @mickbean NTT DOCOMO 1 © 2016 NTT DOCOMO, INC. All rights reserved.
  2. 2. © 2013 NTT DOCOMO, INC. All rights reserved. What is Innovation? Joseph Schumpeter‘s “neuer Kombinationen” (Theorie der wirtschaftlichen Entwicklung) 2
  3. 3. Innovation Example 2.5G Internet connectivity, DOCOMO 1998 Micro Browser, Access Co. 1995 i-mode, DOCOMO 1999 New Biz. Concept: Content Provider Bazar 3 © 2014 NTT DOCOMO, INC. All rights reserved.
  4. 4. Wireless Technologies, the Enablers
 Personal Storage SNS/Comm. Tools LTE:∼75Mbps2010 +Big data synchronization Application Market (games, net contents, etc.) 3.5G: ∼14Mbps 2006 +Smart Phone + Cloud Mobile Multimedia 3G: 64-384Kbps 2001 +CODEC i-mode 2G:9.6KbpsX3 1998+micro browser 4 © 2016 NTT DOCOMO, INC. All rights reserved.
  5. 5. Very Simplified Formula (単純な式) Wireless Broadband Innovation X ? 5 © 2016 NTT DOCOMO, INC. All rights reserved. ❌
  6. 6. Distributed Speech Recognition(DSR) in 2006 (分散音声認識) First Implementation of ETSI AURORA Project (2000-2003) 16 Khz Sampling MFCC feature vectors --> 5.6 Kbps Mobile Terminal Feature Extraction Result Encode Server Decode Rec. Engine Dictionary 6 © 2016 NTT DOCOMO, INC. All rights reserved.
  7. 7. 7 © 2016 NTT DOCOMO, INC. All rights reserved. Wireless Broadband Smartphone with GPS Google Maps On-Line Payment
  8. 8. LTE-Advanced Network (2016-) Macro Cell Base Station Small Cell Base Station Centeraized Radio Access Network 8 © 2016 NTT DOCOMO, INC. All rights reserved.
  9. 9. © 2016 NTT DOCOMO, INC. All rights reserved. 9 Use Case Categories : ITU-R vision for IMT-2020 and beyond
  10. 10. © 2016 NTT DOCOMO, INC. All rights reserved. eMBB and New Use Cases 10 5G in 2020 eMBB Massive MTC Critical MTC eLTE New RAT Low latency New RAT will mainly focus on eMBB 5G+ in 202X eMBB Massive MTC Critical MTC eLTE New RAT New RAT will be enhanced for all use cases
  11. 11. © 2016 NTT DOCOMO, INC. All rights reserved. 11 Massive MIMO/ beamforming Cell range extension Improved spectral efficiency Well localized waveform Frequency Time New numerology with shorter TTI Wider bandwidth and low latency LTE New RAT f t Lean radio frame Less inter-cell interference, energy saving, good forward compatibility 5G 5G 5G 5G 5G 5G 5G + 5G 5G ++ 5G + 5G (2020) 5G (202X) ・LTEに比較して, 周波数帯域幅を拡大 し,TTI長を短縮 ・eMBB, URLLC向け ・同一バンド内で異な る無線パラメータを多 重するためのフィルタ (もしくは Windowing)を施した OFDM信号 ・mMTC, URLLC向け ・LTEと比較してトラヒッ クの有無によらず常時送信 する信号(例えばモビリティ 測定に用いる参照信号)の 量を減らし,干渉量を減ら すとともに消費電力を下げ ることができる5Gの基本 的な無線フレーム構成 ・全てのUse case向け ・高周波数帯で多数のア ンテナ素子を用いてビー ムフォーミングおよびマ ルチユーザMIMO ・eMBB向け New RAT 5G Key Technologies for 2020 Deployment
  12. 12. © 2016 NTT DOCOMO, INC. All rights reserved. 12 Flexible duplex with unlicensed spectrum (e.g. LTE-assisted access) Licensed Band (LTE) Unlicensed Band (New RAT) f C/U-plane split (dual connectivity, CA)eLTE/ new RAT (C/U-plane) New RAT (U-plane) NOMA on LTE Further cellular enhancement with massive connectivity Intentional non-orthogonality f NOMA f OMA IoT related LTE enhancements Low cost / Long battery life devices ・高周波数帯および スモールセルを高効 率に運用するため, 制御プレーンをマク ロセルのみで提供す るアーキテクチャ ・eMBB向け ・LTEからのアシス トによるTDDバンド やアンライセンスバ ンドの活用 ・eMBB向け ・送信信号を非直交多重 し,通信容量を拡大する 技術 ・eMBB向け(上りリンク はmMTC向けにも検討) ・カバレッジ拡張や,狭 帯域送信などの低コスト IoT向けLTE技術,および LTEにおけるV2xなどの機 能サポート ・mMTC向け(V2xは URLLC的要素も含む) Tight LTE integration 5G Key Technologies for 2020 Deployment
  13. 13. © 2016 NTT DOCOMO, INC. All rights reserved. 13
  14. 14. A Possible Formula in 5G (2020-) Connectivity of Things Night Golf Minitualized 5G Module 14 © 2016 NTT DOCOMO, INC. All rights reserved. Positioning of Things
  15. 15. © 2016 NTT DOCOMO, INC. All rights reserved. 15 Quuppa Golf - YouTube
  16. 16. Strategic Norm: as late as practical Connectivity of Things (T.B.D.) Innovation X ? 16 © 2016 NTT DOCOMO, INC. All rights reserved. low latency Comms. (T.B.D.) Enhanced Mobile Broadband
  17. 17. Late Biding 17 © 2016 NTT DOCOMO, INC. All rights reserved. Decide as late as possible, particularly for decisions that are irreversible
  18. 18. © 2016 NTT DOCOMO, INC. All rights reserved. 18 発表はここまで
  19. 19. © 2016 NTT DOCOMO, INC. All rights reserved. 5G Experiments 【w/ Nokia】 @ 70GHz 19 • Single carrier & beamforming technology using millimeter wave AP (Access Point): Beamforming 
 with Lens antenna UD (User device) Center freq. 73.5 GHz Bandwidth 1 GHz Antenna Lens antenna Beam width 3 deg. 2Gbps
  20. 20. © 2016 NTT DOCOMO, INC. All rights reserved. 20 5G Experiments 【w/ Nokia】 @ 70GHz

×