WiBro Experience Mobile Uhm


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WiBro Experience Mobile Uhm

  1. 1. WiBro Experience Overview of WiBro Service and Technology 14. Sept. 2007 Uhm Oui-suk
  2. 2. Contents <ul><li>Introduction of lecturer </li></ul><ul><li>WiBro Overview </li></ul><ul><li>WiBro Service </li></ul><ul><li>WiBro Technologies </li></ul><ul><li>International Cooperation through WiBro </li></ul>
  3. 3. Introduction of lecturer 1 <ul><li>Personal history </li></ul><ul><li>Mobile engineering course(2003~2004) </li></ul><ul><li>International cooperation(2004) </li></ul><ul><li>Advisor of ITTP(2006~) </li></ul>
  4. 4. <ul><li>1970. 3. ~ 1977. 2. : B.S. Electronics Engineering, University of Seogang, Seoul, Korea. </li></ul><ul><ul><li>In 1952. JeonJu city. </li></ul></ul><ul><ul><li>Military Service of 3 Years. </li></ul></ul><ul><li>1988. 3. ~ 1991. 8. : M.S. Computer Science, University of Seogang, Seoul, Korea. </li></ul><ul><ul><li>OSI Network Management Standardization Techniques. </li></ul></ul><ul><li>1992. 3. ~ 1996. 8. : Ph.D. Information and Communication Engineering, KAIST, Daejeon, Korea, 1996. </li></ul><ul><ul><li>Multiple Symbol Detection of M-ary Bi-orthogonal Signals for CDMA Mobile Communication Systems. </li></ul></ul>Personal history Education
  5. 5. <ul><li>1977. 1. ~ 1983. 6. : Gold Star Electronics. Senior Researcher. </li></ul><ul><ul><li>Wireless Military Telecommunication device. </li></ul></ul><ul><ul><li>Non-Metal Mine Detector. </li></ul></ul><ul><ul><li>MRP Programming using BASIC. </li></ul></ul><ul><li>1983. 7. ~ 1985. 10. : Hyundai Electronics. Senior Researcher. </li></ul><ul><ul><li>IBM PC XT, Micro Computer Research and Development. </li></ul></ul><ul><li>1985. 10. ~ 2000. 12. : DACOM. Vice President of IMT-2000. </li></ul><ul><ul><li>1985. 10. ~ 1989. 12. : CCNS Leader of NAIS(RIS, CIS, LIS, CCIS, EIS) Project. </li></ul></ul><ul><ul><li>1990. 1. ~ 1993. 9. : SIS of BH, RIS of Real Estimate, Quality Assurance of Service. </li></ul></ul><ul><ul><li>1993. 9. ~ 1996. 2. : Ph. D Student of KAIST. </li></ul></ul><ul><ul><li>1996. 3. ~ 1998. 2. : Research Director of IMT-2000. </li></ul></ul><ul><ul><li>1998. 3. ~ 2000. 2. : a member of a committee in IITA. </li></ul></ul><ul><ul><li>2000. 3. ~ 2000. 12. : Vice President of IMT-2000. </li></ul></ul><ul><li>2001. 3. ~ 2005. 2 : Chung-nam National University. Professor. </li></ul><ul><ul><li>Wireless Internet Programming. </li></ul></ul><ul><ul><li>Mobile Network and Computing. </li></ul></ul><ul><ul><li>International cooperation. </li></ul></ul><ul><li>2005. 3 ~ Now : KAIST university. Professor. </li></ul><ul><ul><li>Application of Wibro technology on the defense system </li></ul></ul>Personal history Experience
  6. 6. Mobile engineering course Education schedule Week subject 1week (30) orientation(3), reception(3), Korea IT(3), IT paradigm(3), MC(4), KII(2), Korea language(3), IT venture(3), Seoul tour(6) extra 2 Java(8), Daeduk valley tour(6), wireless comm.(3), wireless Internet(6), R&D policy(2) 3 Mobile internet platform(6), mobile terminal(6), Java(3), VC(3), IT policy(2) extra 4 Mobile network(6), mobile internet service(6), VC(8), venture meeting(1) extra 5 security(6), JSP(9), system architecture(6), DB(3) extra 6 HTML(9), DB(12), methodology(3), Danyang tour(3) 7 methodology(15), project management(6), WAP(3), Jonju tour(3) 8 WAP(9), anybilder(15), e-government(6) 9 Mobile App(12), J2ME(9), Korea language(3), SK tour(3) 10 J2ME/MIDP(30) 11 MIDP(6), BREW(12), terminal program(12) 12 Mobile Project(21), presentation(6), graduation ceremoney(3)
  7. 7. <ul><li>Education results </li></ul><ul><ul><li>Mobile technology, concentrate J2ME/MIDP programming </li></ul></ul><ul><ul><ul><li>Achievement java license, various example practice </li></ul></ul></ul><ul><ul><ul><li>PC work  mobile phone </li></ul></ul></ul><ul><ul><ul><li>Overall mobile related technology </li></ul></ul></ul><ul><ul><li>Team(nation) output through project </li></ul></ul><ul><ul><ul><li>game, mobile site extra </li></ul></ul></ul><ul><ul><li>Environment of Korea </li></ul></ul><ul><ul><ul><li>Korean language, various tour, karaoke, PC room extra </li></ul></ul></ul><ul><li>extra </li></ul><ul><ul><li>writing the country report and meeting with venture company </li></ul></ul>Mobile engineering course Education results(2003)
  8. 8. Mobile engineering course Education results(2004)
  9. 9. <ul><li>objection </li></ul><ul><ul><li>ASEAN +3 summit agreement </li></ul></ul><ul><ul><li>Support modern IT technology </li></ul></ul><ul><ul><li>Reinforce international cooperation between Korea and Thailand </li></ul></ul><ul><li>schedule </li></ul><ul><ul><li>2004. 11/22 ~ 12/11(3weeks) : CAT Telecom Bangkok, Thailand </li></ul></ul><ul><ul><li>2004. 12/13 ~ 2005. 1/7(4weeks) : Thailand MICT Bangkok, Thailand </li></ul></ul><ul><li>Real activity </li></ul><ul><ul><li>teach for Korea IT history </li></ul></ul><ul><ul><li>survey and understanding of IT infrastructure and internet access in Thailand </li></ul></ul><ul><ul><li>establishment cooperation strategy for IT infrastructure and internet access </li></ul></ul>International cooperation with Thailand Overview
  10. 10. <ul><li>1 ’ st week : 11.22 ~ 11.27. 2004 </li></ul><ul><ul><li>Uhm : Inchon airport(11/22 21:30), Bangkok airport arrive(11/23 01:30) </li></ul></ul><ul><ul><li>11/23 : TOT meeting, 11/24 ~ 11/26 : teach IT history of Korea in CAT </li></ul></ul><ul><li>2 ’ nd : 11.29 ~ 12.3. 2004 </li></ul><ul><ul><li>Survey of IT service and IT infrastructure in CAT Telecom </li></ul></ul><ul><ul><li>Review to enhance IT infrastructure and internet access strategy </li></ul></ul><ul><li>3 ’ rd ~ 4’th : 2004 년 12.6 ~ 12.17. 2004 </li></ul><ul><ul><li>Review to enhance IT infrastructure and internet access strategy </li></ul></ul><ul><ul><li>Office move from CAT Telecom to MICT after meeting with permanent secretary MICT </li></ul></ul><ul><ul><li>12/13 : office movement </li></ul></ul><ul><ul><li>12/15 : establishment Task Force team(Thai MICT:5, TOT : 2, CAT:2, ROK :2 total :11 명 ) </li></ul></ul><ul><ul><li>12/16 ~ 12/17 : International cooperation </li></ul></ul><ul><li>5 ’ th ~ 6 ’ th : 12.20 ~ 12.31. 2004 </li></ul><ul><ul><li>12/21 : Yoon Inchon airport departure, Bangkok airport arrive </li></ul></ul><ul><ul><li>12/122 ~ 12/31 : International cooperation </li></ul></ul><ul><li>7 ’ th : 1.3 ~ 1.8. 2005 </li></ul><ul><ul><li>1/3 ~ 1/5 : write final report </li></ul></ul>International cooperation with Thailand Week schedule
  11. 11. <ul><li>International cooperation results </li></ul><ul><ul><li>TII_Plan_Report </li></ul></ul><ul><ul><ul><li>About 160 page power point document </li></ul></ul></ul><ul><ul><ul><li>Korean(2) + Thai(9) work together) </li></ul></ul></ul><ul><ul><li>Build up human network </li></ul></ul><ul><ul><ul><li>MICT officer </li></ul></ul></ul><ul><ul><ul><li>Manager of TOT and CAT </li></ul></ul></ul><ul><ul><ul><li>Officer of MOFA, NETEC and extra </li></ul></ul></ul><ul><ul><li>Transfer positive and challenge style of Korean for the work </li></ul></ul><ul><ul><ul><li>Difference thinking </li></ul></ul></ul><ul><ul><ul><li>Tight working methodology </li></ul></ul></ul><ul><ul><ul><li>IT history of Korea </li></ul></ul></ul>International cooperation with Thailand Results
  12. 12. International cooperation with Thailand Results
  13. 13. <ul><li>objection </li></ul><ul><ul><li>Developing human resources for nation </li></ul></ul><ul><ul><li>To build global network of IT leaders around the world </li></ul></ul><ul><li>Degree requirements </li></ul><ul><ul><li>Required credits : master ; 45, Ph.D. ; 69 </li></ul></ul><ul><ul><li>Research paper : country report or thesis(MS), Dissertation(Ph. D.) </li></ul></ul><ul><ul><li>English Proficiency: TOFEL CBT 213(Ph.D. 232) </li></ul></ul><ul><ul><li>GPA : 3.0 or better out of the maximum 4.3 </li></ul></ul><ul><li>Number of Scholarship Recipients(by year) </li></ul>Advisor of ITTP Overview of ITTP Degree 2006 2007 2008 2009 2010 Total Master 20 10 10 20 - 60 Ph.D. 4 6 5 - - 15 Total 24 16 15 20 - 75
  14. 14. Advisor of ITTP ICU One Seminar
  15. 15. WiBro Overview 2 <ul><li>Why WiBro </li></ul><ul><li>Definition </li></ul><ul><li>Service Positioning </li></ul><ul><li>Standardization </li></ul>
  16. 16. Infrastructure Service Product u-Korea Intelligence-based society: ”Ubiquitous” IT 839 Why WiBro 8 Services WiBro DMB/DTV service u-Home service Telematics/LBS RFID/USN service HSDA/W-CDMA BcN service IT service BcN USN SW infraware 3 Infrastructures Mobile/telematics Broadband/home network DTV/Broadcasting IT SoC/convergence device Next-Gen PC Embedded SW Digital contents and SW solutions RFID/USN Intelligent Robots 9 Growth Engines
  17. 17. Why WiBro Next Generation Mobile Communication <ul><li>Provides multimedia service with high rate / high QoS for customers with various mobility through mobile and satellite network </li></ul><ul><li>Includes 4G Mobile Communication (New Mobile Access), Portable Internet (WiBro), HSDPA, High Rate WLAN, Mobile Satellite Communication and expected to be serviced after 2010 </li></ul>Data Rate <100 Mbps 14.4 kbps Mobility Vehicular 2G 3.5G 3G 4G Mobile Communication Broadband Convergence Network (BcN) 802.11b/g B-WLL cdma2000/W-CDMA WiBro EV-DV/HSDPA <50 Mbps Wireless Local Loop 2.4 GHz WLAN 5 GHz WLAN WLL (Wireless Local Loop) 802.11a WLAN cdmaOne/GSM High Data Rate PAN High Data Rate WLAN PAN Cellular (Mobile Communication) Wireless IEEE 1394 Home RF After 2010 2003 2004 After 2005 Communication Objects Human-to-Human Thing-to-Thing Human-to-Machine Mobile(Voice) Telephone Short Message Service(SMS) Ubiquitous Service 4G Mobile Communication Mobile Phone/Wireless Internet Access WLAN / Positioning / Video Service / High Data Rate Portable Internet Service Market Requirement Customer-oriented System High Data Rate (>100Mbps) Wireless TX Ubiquitous Network Service-oriented System High Data Rate Wireless Internet Technology-oriented System Enhanced Voice Quality/Roaming Category 2002 Before 2001 3G 2G 4G Pedestrian High Data Rate Portable Internet
  18. 18. Why WiBro Mobile phone/internet users High speed internet users Mobile phone users Mobile Internet Unit :Million Users Source : Ministry of Information & Communication (Nov, 2003) Subscribers in Korea
  19. 19. Why WiBro Korea market wants WiBro <ul><li>Cable Modem, ADSL, VDSL </li></ul><ul><li>Telephone Line Modem, </li></ul><ul><li>PDSN, Router / ATM </li></ul>Data Voice Wired Line Wireless <ul><li>PSTN, ISDN </li></ul><ul><li>Key Phone, PABX </li></ul><ul><li>CDMA, WCDMA </li></ul><ul><li>TRS </li></ul>WiBro (Public) WLAN (Private) EVDo HSDPA High Low Expensive moderate Price Data Rate
  20. 20. Definition <ul><li>Portable Internet Service (WiBro) is to provide a high data rate wireless internet access with PSS (Personal Subscriber Station) under the stationary or mobile environment, anytime and anywhere. </li></ul>Definition <ul><li>『 Portable Internet was named as 『 WiBro 』 . (End of April, 2004) </li></ul><ul><li>WiBro : Wireless Broadband </li></ul>Reference WiBro Low Cost Anytime , Anywhere Mobility High Data Rate
  21. 21. Service Positioning Service Positioning Tariff Competitiveness Mobility Portability Data Rate WiBro IMT-2000 Nomadic Cordless Fixed DATA Rate High speed DSL(ADSL,VDSL ..) WLAN 3G ( IMT-2000 ) 2G ( IS-95 , Cellular ) Mobility WiBro High Wired Phone Cordless phone Service beyond the bounds of WLAN, CDMA 1x(EV-DO), IMT2000
  22. 22. Service Positioning Service Comparison Item WiBro High Speed DSL WLAN Cellular(2/2.5G) Service Area Outdoor/Indoor Indoor Indoor (Hotspot) Outdoor/Indoor Data Rate High speed Ultra high speed Very high speed Med/Low speed Mobility High No Low Very high Contents Wired/Wireless Contents Wired Contents Wired/Wireless Contents Wireless Contents Tariff Relatively Low Relatively Low Low High Terminal Smart phone, PDA, Notebook etc. Desktop, Notebook PDA, Notebook Cellular phone, PDA
  23. 23. Standardization Establishment of PG302 TTA PG302 Standard Major System Parameters Radio Access Requirement TDD Frequency Reuse Factor Duplexing 1 OFDMA Multiple Access 10 [MHz] Channel BW Mobility ≤ 60 [Km/h] Service Coverage ≤ 1 [Km] Spectral Efficiency [bps/Hz/cell(sector)] Max. DL / UL = 6 / 2 Aver. DL / UL = 2 / 1 Handoff ≤ 150 [ms] Throughput (per user) Max. DL / UL = 3 / 1 [Mbps] Min. DL / UL = 512 / 128 [Kbps]
  24. 24. Standardization Committee Structure of PG302
  25. 25. Standardization International Standard
  26. 26. Standardization WiBro and WiMAX
  27. 27. WiBro Services 3 <ul><li>WiBro Market Analysis </li></ul><ul><li>Service Requirements </li></ul><ul><li>Service Scenarios </li></ul><ul><li>Applications </li></ul>
  28. 28. WiBro Market Analysis ■ In Korea wireless internet service is mainly used for entertainment (58%), communication (email/caf é 17.6%) and business (9.3%). ■ Cellular service has the demerits such as insufficient data rates, high tariff system and WLAN has several shortcomings such as service coverage and QoS problems in spite of high speed data rate and low tariff system. ■ Customer needs of WiBro service is high speed data rate and low tariff system, which are the accelerating factor for widespread use of wireless internet. 7 Customer Needs Automobile Service SD MMC SD MMC SIM Mobile Game Telephone PC DVD Audio DVC Personal Info Home
  29. 29. WiBro Market Analysis Market Outlook
  30. 30. Service Requirements <ul><li>■ Interactive Service: Best-efforts </li></ul><ul><ul><li>Web Browsing, Interactive Game, etc. </li></ul></ul><ul><li>■ Streaming service (rtPS: Real Time Poling Service) </li></ul><ul><ul><li>VoD, MPEG, etc. </li></ul></ul><ul><li>■ Back Ground service (nrtPS: Non Real Time Poling Service) </li></ul><ul><ul><li>FTP, E-MAIL, SMS, multicast/broadcast, MMS, Push etc. </li></ul></ul><ul><li>■ Real Time Service (UGS: Unsolicited Grant Service) </li></ul><ul><ul><li>VoIP </li></ul></ul>Service Class
  31. 31. Service Requirements ■ Provide the way to use high speed internet service not only in home but also in outdoor -> Equivalent data rate to xDSL per user ■ Maximize the usage over the allocated spectrum ■ Maximize the spectral efficiency ■ Extend the service coverage ■ Reduce the cost per bit ■ Low power consumption at AT ■ Faster handoff Requirement of WiBro Service Service Strategy <ul><li>■ Development of killer application with multimedia/convergence type </li></ul><ul><ul><li>Main WiBro BMs are MMS, LBS, Game, Push service, IP Multicasting. </li></ul></ul><ul><li>■ WiBro service bundled with existing services </li></ul>
  32. 32. Service Scenarios <ul><li>MMS: Hi-Quality Video Mail/Messaging </li></ul><ul><li>Push Service: Group video chatting, Ad & Coupon </li></ul><ul><li>Game: IP based network game </li></ul><ul><li>LBS (Location Based Service </li></ul><ul><li>IP Multicasting Service: Real Time Broadcasting, </li></ul><ul><li>SMS/ VOD, Game: Entertainment </li></ul><ul><li>e-Banking: m-Commerce </li></ul><ul><li>WLAN bundling service </li></ul><ul><li>CDMA/DMB bundling service </li></ul><ul><li>xDSL bundling service </li></ul>Wired Wireless <ul><li>Multimedia </li></ul><ul><li>Convergence </li></ul><ul><li>Wired/Wireless </li></ul>Main service Bundling service <ul><li>Web Browsing, e-Mail: Information </li></ul><ul><li>Movie VOD: Entertainment </li></ul><ul><li>e-Stock, e-Banking, e-Learning etc. </li></ul>Evolution and Development Existing Internet Service WiBro Killer Application User terminal ACR Smart/MIMO - RAS Subsystems & Service management system Internet Enterprise Bank Service/Contents Network Home Network Contents Partner e-Shop Service Center Information Center Public Offices Macro-RAS micro-RAS PCMCIA CF Chipset pico-RAS / Repeator ITS Mobile Internet Telematics Command Control Voice Entertainment UsN WiBro Network Logistics Portable Tablet Handheld SmartPhone FPGA
  33. 33. Applications Application Services
  34. 34. Applications Terminal
  35. 35. Applications Terminal
  36. 36. WiBro Technologies 4 <ul><li>WiBro Capacity </li></ul><ul><li>WiBro Network </li></ul><ul><li>WiBro Spectrum in Korea </li></ul><ul><li>OFDM/OFDMA </li></ul><ul><li>MIMO </li></ul>
  37. 37. WiBro Capacity System Capacity Item Value Note Bandwidth Channel 9MHz Effective BW = 8.75MHz Total 27MHz 3 Channels Peak DL Data Rate 20Mbps Phase 2: 50Mbps Average DL Data Throughput/sector 6Mbps Multi-cell environments without AAS, MIMO Average DL Data Throughput/cell site 54Mbps ( = 6Mbps x 9) Macro cell site: 3FA/3Sector Cell Radius Macro Cell : 1Km Micro Cell : 400m Pico Cell : 100m
  38. 38. WiBro Capacity Coverage
  39. 39. WiBro Network Network Architecture ACR : Access Control Router RAS : Radio Access Station PSS : Personal Subscriber Station PSS HA RAS PSS ACR AAA Public IP Network ACR PSS Operator’s IP Network PSS RAS RAS RAS … …
  40. 40. WiBro Network Network Structure
  41. 41. WiBro Network WiBro TestBed
  42. 42. WiBro Network WiBro TestBed
  43. 43. WiBro Spectrum in Korea Operators are selected at February 2005: KT, SK 2300MHz 2327 2331.5 2358.5 2363 2390 2400MHz Trial Service during 1Q of 2006. Launching Commercial Service by 2Q of 2006 Spectrum allocation and Service Schedule CH1 CH2 CH3 CH1 CH2 CH3 CH1 CH2 CH3 1st Band 2nd Band 3rd Band GB GB GB WLAN 4.5MHz 4.5MHz 10MHz CH1 Frequencies Operators Service Schedule
  44. 44. OFDM/OFDMA Single-carrier vs. Multi-carrier
  47. 47. MIMO MIMO Technique
  48. 48. MIMO WiBro MIMO
  49. 49. International Cooperation through WiBro 5 <ul><li>Korea ’ s Status for WiBro </li></ul><ul><li>International cooperation through WiBro </li></ul>
  50. 50. Korea ’ s Status for WiBro Progress Schedule in Korea
  51. 51. Korea ’ s Status for WiBro
  52. 52. Korea ’ s Status for WiBro
  53. 53. Korea ’ s Status for WiBro
  54. 54. Korea ’ s Status for WiBro
  55. 55. International cooperation through WiBro WiBro Seoul and ChungGyeChon Stream
  56. 56. International cooperation through WiBro International cooperation through WiBro
  57. 57. International cooperation through WiBro Global Deployment
  58. 58. International cooperation through WiBro Contacts
  59. 59. Q & A Thank you