Widyatama Lecture Applied-Networking.IV Week01

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Widyatama Lecture Applied-Networking.IV Week01

  1. 1. Applied Networking-IV (2231114) Lecture Week-1 Mobile Networking Part-1 Mobile Monkey 1m00 Lecture by: Djadja.Sardjana, S.T., M.M. by: Djadja.Sardjana, www.slideshare.net/djadja 2-Feb-10 Feb- Widyatama University-Informatics University- 1
  2. 2. Wireless & Cellular Platform Telecom History 1m01 2-Feb-10 Feb- Widyatama University-Informatics University- 2
  3. 3. Wireless & Cellular Basic Multiple Access Downlink Handoff Uplink Base Station Mobile Station Cells Different Frequencies or Codes 2-Feb-10 Feb- Widyatama University-Informatics University- 3
  4. 4. Multiple Sites Handle Mobile Users 2-Feb-10 Feb- Widyatama University-Informatics University- 4
  5. 5. Frequency Planning 2-Feb-10 Feb- Widyatama University-Informatics University- 5
  6. 6. Frequency Reuse 2-Feb-10 Feb- Widyatama University-Informatics University- 6
  7. 7. Multiple Access Methods Frequency TDMA: Time CDMA: Code Division Multiple Division Multiple Access Access FDMA: Frequency Division Multiple Access Codes Time 2-Feb-10 Feb- Widyatama University-Informatics University- 7
  8. 8. Wireless systems: overview of the development cordless wireless LAN cellular phones satellites phones 1980: 1981: CT0 NMT 450 1982: 1983: Inmarsat-A AMPS 1984: CT1 1986: NMT 900 1987: 1988: CT1+ Inmarsat-C 1989: CT 2 1991: 1991: 1991: 1992: CDMA D-AMPS 1992: DECT 199x: GSM Inmarsat-B proprietary 1993: Inmarsat-M PDC 1994: 1997: DCS 1800 IEEE 802.11 1998: Iridium 1999: 802.11b, Bluetooth 2000: 2000: analogue GPRS IEEE 802.11a 2001: IMT-2000 digital 200?: Fourth Generation (eg. WIMAX, LTE ) Widyatama University- University- 2-Feb-10 Feb- Informatics 8
  9. 9. SYSTEM EVOLUTION SCENARIO Generation 1st Generation 2nd Generation 3rd Generation 4th Generation (Cellular) Digital voice & Voice & High speed ALL-IP Broadband Analog voice Low rate data data Ubiquitous & Seamless Multimedia 1000 WLAN++ WLAN+ Maximum transmission rate Maximum transmission rate Maximum transmission rate Maximum transmission rate Maximum transmission rate Maximum transmission rate Maximum transmission rate Maximum transmission rate Maximum transmission Maximum transmission Maximum transmission Maximum transmission Maximum transmission Maximum transmission Maximum transmission Maximum transmission 802.11n, etc. 100 WiMAX 4G WLAN 802.11a,HiSWANa, UWB, etc. HIPRELAN2, etc. 3G+ 10 Nomadic HSDPA, cdma2000(3X), etc. 3G 1 Bluetooth, etc. W-CDMA, Local Cdma2000, etc. 0.1 2G+ Mobile PDC,GSM,PHS, etc. 2G 0.01 PDC,GSM,PHS, etc. 2-Feb-10 Feb- ~1990 1995Widyatama University-Informatics University- 2005 2000 2010 2015 Year 9
  10. 10. Wireless Standards IEEE 802.15.4 Sensors RFID (Zigbee Alliance) (AutoID Center) RAN IEEE 802.22 WAN 3GPP (GPRS/UMTS) IEEE 802.20 3GPP2 (1X--/CDMA2000) IEEE 802.16e GSMA, OMA IEEE 802.16d MAN ETSI HiperMAN & WiMAX HIPERACCESS IEEE 802.11 LAN ETSI-BRAN Wi-Fi Alliance HiperLAN2 IEEE 802.15.3 PAN ETSI UWB, Bluetooth HiperPAN Wi-Media, BTSIG, MBOA 2-Feb-10 Feb- Widyatama University-Informatics University- 10
  11. 11. Wireless networks in comparison to fixed networks Higher loss-rates due to interference loss- Restrictive regulations of frequencies Low transmission rates Higher delays, higher jitter Lower security, simpler active attacking Always shared medium Widyatama University- University- Informatics 2-Feb-10 Feb- 11
  12. 12. What is Global System for Mobile communications (GSM) 900/1800 MHz band (US: 850/1900 MHz) For 900 MHz band Uplink: 890-915 890- Downlink: 935-960 935- 25 MHz bandwidth - 124 carrier frequency channels, spaced 200KHz apart Time Division Multiplexing for 8 full rate speech channels per frequency channel. Circuit Switched Data with data rate of 9.6 kbps Handset transmission power limited to 2 W in GSM850/900 and 1 W in GSM1800/1900. 2-Feb-10 Feb- Widyatama University-Informatics University- 12
  13. 13. GSM Architecture 2-Feb-10 Feb- Widyatama University-Informatics University- 13
  14. 14. What is UMTS and 3G (WCDMA & HSPA) Universal Mobile Telecommunications System (UMTS) - WCDMA as the underlying interface Supports up to 14 Mbps rates with HSDPA (typical present deployed rates per user 384kbps) Frequency bands 1885- 1885-2025 Mhz (uplink), 2110-2200 Mhz (downlink) 2110- US: 1710-1755 MHz and 2110-2155 MHz 1710- 2110- W-CDMA has 5 Mhz wide radio channels (CDMA2000 transmits on one or several pairs of 1.25 Mhz radio channels). HSDPA allows networks based on UMTS to have higher data rates (1.8. 3.6, 7.2, 14.4 Mbps via AMC, and HARQ, fast packet scheduling. UMTS air interface forms Generic Radio Access Network (GeRAN) which can be connected to various backbone networks like the Internet, ISDN, GSM or UMTS. Using PCMCIA or USB card, or cellular router customers are able to access 3G broadband services 2-Feb-10 Feb- Widyatama University-Informatics University- 14
  15. 15. UMTS Architecture 2-Feb-10 Feb- Widyatama University-Informatics University- 15
  16. 16. What is WiMAX? WiMAX? A Wireless Technology optimised for the delivery of IP Centric Services Over the Wide Area A Certification that denotes Interoperability of equipment built to the IEEE 802.16 or compatible standard. A Scalable Wireless platform for constructing alternative and complementary Broadband Networks. Low Cost and Risk-Free Risk- Broadband Wireless Solutions from Multiple Vendors 2-Feb-10 Feb- Widyatama University-Informatics University- 16
  17. 17. IEEE 802.16* STANDARD 802.16-2004 (rev d) 802.16e Completed 802.16- 2004: July 2004 mid 2005 < 11 GHz < 11 GHz ( <6 GHz practical) Spectrum Licensed & Unlicensed Licensed (& Unlicensed) Fixed Pedestrian Mobility –> Vehicular mobility User model Receiver: fixed Receiver: in the notebook Channel Conditions Non Line of Sight Up to 75 Mbps with 20MHz channels Up to 75 Mbps with 20MHz channels Peak Raw data rate Full mobility: 4-18 Mbps in 5 MHz channels 80% performance of fixed usage model Channel Bandwidth Flexible channel bandwidths between 1.25 and 20 MHz 2 to 10 km semi-rural Nomadic/Mobile 2 to 5 km urban/suburban Range at 2.5 GHz Urban/Suburban/Semi-rural (frequency dependent – significantly better (typical cell) 1 – 5 km (indoor) for 700MHz) 2 – 7 km (outdoor) Max range 35 km at 700 MHz 2-Feb-10 Feb- Widyatama University-Informatics University- 17 28
  18. 18. WiMAX Perception & Reality 2-Feb-10 Feb- Widyatama University-Informatics University- 18
  19. 19. The WiMAX Roadmap 2004 Going Forward Fixed Outdoor Fixed Indoor Mobility Solution Characteristics Solution Characteristics Solution Characteristics • Fixed location • Consumer – self install, • CPE Native in Mobile PC • Installed outside of auto provisioning • User can roam within the subscriber’s house • Portable – can ‘move’ service area at varying • Requires truck roll CPE to another location speeds in service area Applications Applications Applications • E1/T1 Level Service for • “Last Mile” Broadband • “Mobile” Broadband Enterprises access for consumers access for consumers • Backhaul for Hotspots • Portable broadband • Always Best Connected • Fractional E1/T1 for SMB access (SNS) • Limited residential broadband access (early adopters, rural, developing countries) 2-Feb-10 Feb- Widyatama University-Informatics University- 19
  20. 20. Wireless Network Ecosystem IMS 2-Feb-10 Feb- Widyatama University-Informatics University- 20
  21. 21. 2-Feb-10 Feb- Widyatama University-Informatics University- 21
  22. 22. 2-Feb-10 Feb- Widyatama University-Informatics University- 22
  23. 23. 2-Feb-10 Feb- Widyatama University-Informatics University- 23
  24. 24. 2-Feb-10 Feb- Widyatama University-Informatics University- 24
  25. 25. 2-Feb-10 Feb- Widyatama University-Informatics University- 25
  26. 26. NGN: NGN: Beyond 3G Video telephony and multimedia conferencing, IM, video streaming – among high drivers for NGN Essential System recommendations Seamless mobility across all bearers with service continuity through a min of 120 km/h Peak uplink data rates 30-50 Mbps 30- Peak > 100Mbps downlink Latency core < 10ms, RAN <10ms, <30ms e2e QoS based global roaming Broadcast, multicast, and unicast services to subscribers of all environments Real time, conversational and streaming in PS across all required bearers Cost per MB : as close to DSL as possible 2-Feb-10 Feb- Widyatama University-Informatics University- 26
  27. 27. Convergence Heterogeneous access technologies Multi- Multi-mode access devices Dual mode phones (WiFi, 2.5/3G), UMA (WiFi, Heterogeneous Services Cellular Internet access and Internet based voice/video access Challenges Time variant heterogeneous network characteristics Heterogeneous applications with different utilities System design and networking challenges 2-Feb-10 Feb- Widyatama University-Informatics University- 27
  28. 28. Network Transformation Fixed Core Transport Mobile CS Core Fixed Mobile Access Access IP Core Aggregation Mobile PS Core Fixed Network Data Network Mobile Network Converged Network Operation and Business Support Systems Multi-Access IP Networking, Transport Service Core and and Aggregation Applications 2-Feb-10 Feb- Widyatama University-Informatics University- 28
  29. 29. Mobile Application 2-Feb-10 Feb- Widyatama University-Informatics University- 29
  30. 30. Application Characteristic (1) Voice Data Circuit Switched Analog Packet Technology Circuit Switched Digital Switched C.S. Voice + P.S. Data Evolution Controlled Semi-Organic Operator initiated or Third party/ New Services partnered independent (largely) Mobility Good Poor Support 2-Feb-10 Feb- Widyatama University-Informatics University- 30
  31. 31. Application Characteristic (2) Voice Data QoS at edges Good Support Mostly absent (Poor) Information rates for Low Relatively high supporting services Cost Lower Higher 2-Feb-10 Feb- Widyatama University-Informatics University- 31
  32. 32. Market Sectors for Wireless Applications 2-Feb-10 Feb- Widyatama University-Informatics University- 32
  33. 33. Applications- Applications-1 Vehicles transmission of news, road condition, weather, music via DAB personal communication using GSM position via GPS local ad-hoc network with vehicles close-by to prevent accidents, ad- close- guidance system, redundancy vehicle data (e.g., from busses, high-speed trains) can be high- transmitted in advance for maintenance Emergencies early transmission of patient data to the hospital, current status, first diagnosis replacement of a fixed infrastructure in case of earthquakes, hurricanes, fire etc. crisis, war, ... 2-Feb-10 Feb- Widyatama University-Informatics University- 33
  34. 34. Applications- Applications-2 Travelling salesmen direct access to customer files stored in a central location consistent databases for all agents mobile office Replacement of fixed networks remote sensors, e.g., weather, earth activities flexibility for trade shows LANs in historic buildings Entertainment, education, ... outdoor Internet access intelligent travel guide with up-to-date up-to- location dependent information ad-hoc networks for ad- multi user games Widyatama University- University- 2-Feb-10 Informatics Feb- 34
  35. 35. Typical application: road traffic UMTS, WLAN, DAB, DVB, GSM, cdma2000, TETRA, ... Personal Travel Assistant, PDA, Laptop, GSM, UMTS, WLAN, Bluetooth, ... Widyatama University- University- Informatics 2-Feb-10 Feb- 35
  36. 36. Mobile and wireless services – Always Best Connected UMTS, GSM LAN DSL/ WLAN GSM/GPRS 53 kbit/s 115 kbit/s 100 Mbit/s, 3 Mbit/s Bluetooth 500 kbit/s WLAN 54 Mbit/s UMTS 2 Mbit/s GSM/EDGE 384 kbit/s, DSL/WLAN 3 Mbit/s UMTS, GSM GSM 115 kbit/s, 384 kbit/s WLAN 11 Mbit/s Widyatama University- University- 2-Feb-10 Feb- Informatics 36
  37. 37. Location dependent services Location aware services what services, e.g., printer, fax, phone, server etc. exist in the local environment Follow- Follow-on services automatic call-forwarding, transmission of the actual workspace to the call- current location Information services „push“: e.g., current special offers in the supermarket „pull“: e.g., where is the Black Forrest Cherry Cake? Support services caches, intermediate results, state information etc. „follow“ the mobile device through the fixed network Privacy who should gain knowledge about the location 2-Feb-10 Feb- Widyatama University-Informatics University- 37
  38. 38. Conclusion & Final Words Telecom Wimax Future Case 5m00 Study 2-Feb-10 Feb- Widyatama University-Informatics University- 38
  39. 39. How should technology Which distinctive and innovation be technological organized and competences and managed? capabilities are 1 necessary? 6 Which When, how and Questions technologies should be where should new technology be Technology 2 used to implement introduced to the product and market? Strategy Should service? 5 Answer 3 Should technologies be sourced internally 4 What should be the or externally? level and timing of investment in Source: Burgelman, Strategic Management of Technology and Innovation technology 2-Feb-10 Feb- Widyatama University-Informatics University- development? 39
  40. 40. Mankind Innovation A very popular innovation today is the Cell Phone. In 1979, the first commercial cellular phone system began operation in Tokyo. -- By the end of 2004, the number of wireless subscribers in the USA surpassed 180.5 million. 2-Feb-10 Feb- Widyatama University-Informatics University- 40
  41. 41. The S-Curve of Innovation S- Physical limit New Technology Mature Technology performance parameter Invention Improvement Technology Period Period Period Embryonic Growth Maturity Aging Time 2-Feb-10 Feb- Widyatama University-Informatics University- 41

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