1. Mobile Broadband Wireless Access Dr. Muid Mufti 20 December 2006

2. Telematix Dr. Muid Mufti History of Wireless First Ever Wireless Communication ? First Ever Wireless Communication ? First Mobile Radio Telephone 1924 First Mobile Radio Telephone 1924 Phenomenal growth with the turn of the century Phenomenal growth with the turn of the century

3. Telematix Dr. Muid Mufti The Wireless Experience Satellite Macrocell Microcell Urban In-Building Picocell Global Suburban Basic Terminal PDA Terminal Audio/Visual Terminal

4. Telematix Dr. Muid Mufti Advantages of Wireless Low cost Low cost Low maintenance Low maintenance Quick deployment Quick deployment Reduced sunk cost Reduced sunk cost Mobility Mobility

5. Telematix Dr. Muid Mufti Disadvantages of Wireless Non secure Non secure Environmentally vulnerable Environmentally vulnerable Frequency reuse issues Frequency reuse issues

6. Telematix Dr. Muid Mufti Ubiquitous Networks MBWA based product MBWA based product Cell phone TV Cell phone TV Streaming Multimedia Streaming Multimedia Video on Demand Video on Demand MBWA based Services MBWA based Services Mobile medical aid Mobile medical aid Train entertainment systems Train entertainment systems Surveillance Surveillance Strategic MBWA business Strategic MBWA business

7. Telematix Dr. Muid Mufti Defining Broadband High dates rates ? High dates rates ? FCC definition of broadband: Connections with speed exceeding 200 Kb/s in at least one direction FCC definition of broadband: Connections with speed exceeding 200 Kb/s in at least one direction PTA definition of broadband: High speed, ‘always on’ Internet connection. Speed of connection ranging from 128 Kbps to 2 Mbps or higher. PTA definition of broadband: High speed, ‘always on’ Internet connection. Speed of connection ranging from 128 Kbps to 2 Mbps or higher. Refers to the ability of the user to view content across the internet that includes large files, such as video, audio, multimedia and 3D graphics Refers to the ability of the user to view content across the internet that includes large files, such as video, audio, multimedia and 3D graphics QoS Support QoS Support

8. Telematix Dr. Muid Mufti Mobile vs. Wireless WirelessMobile

9. Telematix Dr. Muid Mufti Mobility Range of mobility Range of mobility Geographic range Geographic range Across networks Across networks IP mobility IP mobility Speed of mobility Speed of mobility Personal mobility Personal mobility Vehicular mobility Vehicular mobility Frequency of mobility Frequency of mobility Mobility Overhead Mobility Overhead

10. Telematix Dr. Muid Mufti MBWA Be able to support broadband data rates with given QoS with mobility Be able to support broadband data rates with given QoS with mobility Mobility speed Mobility speed Personal mobility Personal mobility 100+ km/h – high speed trains, cars, buses etc. 100+ km/h – high speed trains, cars, buses etc.

11. Telematix Dr. Muid Mufti QoS – Conversational / Real-time Services MediumApplicationData rateKey Performance parameters and target values One-way Delay Delay Variation Information Loss AudioConversational voice 4–13 kbps<150 msec Preferred <100 msec <1 msec<3% FER VideoVideophone32–384 kbps<150 msec<1% FER DataTelemetry two- way control <28.8 kbps<250 msecN.A.Zero DataInteractive games <1 KB<250 msecN.A.Zero DataTelnet<1KB<250 msecN.A.Zero

12. Telematix Dr. Muid Mufti QoS - Interactive Services MediumApplicationData rateKey Performance parameters and target values One-way Delay Delay Variation Information Loss AudioVoice messaging 4–13 kbps<1 sec Playback <2 sec record <1 msec<3% FER DataWeb-browsing HTML <4 sec/pageN.A.Zero DataTransactions Services High Priority e- commerce, ATM <250 msecN.A.Zero DataInteractive games <250 msecN.A.Zero

13. Telematix Dr. Muid Mufti QoS - Streaming Services MediumApplicationData rateKey Performance parameters and target values One-way Delay Delay Variation Information Loss AudioHigh quality Streaming audio 32–128 kbps<10 sec<1 msec<1% FER VideoOne-way32–384 kbps<10 sec<1% FER DataBulk data Transfer/retrieval <10 secN.A.Zero DataStill image<10 secN.A.Zero DataTelemetry - monitoring <28.8 kbps<10 secN.A.Zero

14. Telematix Dr. Muid Mufti Mobile Broadband Development Streams UMTS-TDD (WCDMA-TDD) UMTS-TDD (WCDMA-TDD) FDD W-CDMA FDD W-CDMA TD-SCDMA TD-SCDMA 1x EVDO 1x EVDO WiMAX (802.16e) WiMAX (802.16e) 802.20 (MobileFi) 802.20 (MobileFi)

15. Telematix Dr. Muid Mufti Global Wireless Data Standards Range Data Rates 802.16 WiMax 802.20 MobileFi 802.11 Wifi Bluetooth 802.15 Zigbee GPRS UMTS WUSB

16. Telematix Dr. Muid Mufti Global Wireless Data Standards NetworkCoverageData RatesMobilityCost Satellite (B-GAN)WorldMax. 144 Kb/sHigh GSM/GPRSAprox. 35 KM9.6 Kb/s up to 144 Kb/sHigh IEEE 802. 16aAprox. 30 KMMax. 70 Mb/sLow/MediumMedium IEEE 802. 20Aprox. 20 KM1-9 Mb/sVery HighHigh UMTS20 KMUp to 2 Mb/sHigh HIPERLAN 270 up to 300 m25 Mb/sMedium/highLow IEEE 802.11a50 up to 300 m54 Mb/sMedium/highLow IEEE 802.11b50 up to 300 m11 Mb/sMedium/highLow Bluetooth10 mMax. 700 Kb/sVery lowLow

17. Telematix Dr. Muid Mufti Basic Modulation Schemes

18. Telematix Dr. Muid Mufti UMTS-TDD Up to 12Mbps Up to 12Mbps More than 3 times higher than any other commercial mobile platform. More than 3 times higher than any other commercial mobile platform. True N=1 frequency reuse True N=1 frequency reuse Network operator can deploy a network with multiple towers using only one RF Channel Network operator can deploy a network with multiple towers using only one RF Channel 5 MHz RF channel for a 3.84 Mcps system 5 MHz RF channel for a 3.84 Mcps system 10 MHz channel for a 7.68 Mcps system. 10 MHz channel for a 7.68 Mcps system. Mobility up to 120 km/hr within the network footprint Mobility up to 120 km/hr within the network footprint Tower-to-tower handoff roaming Tower-to-tower handoff roaming Network-to-network roaming Network-to-network roaming

19. Telematix Dr. Muid Mufti FDD W-CDMA Frequency band:1920 MHz -1980 MHz and 2110 MHz - 2170 MHz (Frequency Division Duplex) Frequency band:1920 MHz -1980 MHz and 2110 MHz - 2170 MHz (Frequency Division Duplex) Minimum frequency band required: ~ 2x5MHz Minimum frequency band required: ~ 2x5MHz Frequency re-use: 1 Frequency re-use: 1 Carrier Spacing: 4.4MHz - 5.2 MHz Carrier Spacing: 4.4MHz - 5.2 MHz Maximum number of (voice) channels on 2x5MHz: ~196 (spreading factor 256 UL, AMR 7.95kbps) / ~98 (spreading factor 128 UL, AMR 12.2kbps) Maximum number of (voice) channels on 2x5MHz: ~196 (spreading factor 256 UL, AMR 7.95kbps) / ~98 (spreading factor 128 UL, AMR 12.2kbps) Voice coding: AMR codecs (4.75 kHz - 12.2 kHz, GSM EFR=12.2 kHz) and SID (1.8 kHz) Voice coding: AMR codecs (4.75 kHz - 12.2 kHz, GSM EFR=12.2 kHz) and SID (1.8 kHz) Channel coding: Convolutional coding, Turbo code for high rate data Channel coding: Convolutional coding, Turbo code for high rate data Duplexer needed (190MHz separation), Asymmetric connection supported Duplexer needed (190MHz separation), Asymmetric connection supported Tx/Rx isolation: MS: 55dB, BS: 80dB Tx/Rx isolation: MS: 55dB, BS: 80dB Receiver: Rake Receiver: Rake Receiver sensitivity: Node B: -121dBm, Mobile -117dBm at BER of 10-3 Receiver sensitivity: Node B: -121dBm, Mobile -117dBm at BER of 10-3 Data type: Packet and circuit switch Data type: Packet and circuit switch Modulation: QPSK Modulation: QPSK Pulse shaping: Root raised cosine, roll-off = 0.22 Pulse shaping: Root raised cosine, roll-off = 0.22 Chip rate: 3.84 Mcps Chip rate: 3.84 Mcps

20. Telematix Dr. Muid Mufti FDD W-CDMA Channel raster: 200 kHz Channel raster: 200 kHz Maximum user data rate (Offered): 384 kbps (year 2002), higher rates ( ~ 2 Mbps) in the near future. HSPDA will offer data speeds up to 8-10 Mbps (and 20 Mbps for MIMO systems) Maximum user data rate (Offered): 384 kbps (year 2002), higher rates ( ~ 2 Mbps) in the near future. HSPDA will offer data speeds up to 8-10 Mbps (and 20 Mbps for MIMO systems) Channel bit rate: 5.76Mbps Channel bit rate: 5.76Mbps Frame length: 10ms (38400 chips) Frame length: 10ms (38400 chips) Number of slots / frame: 15 Number of slots / frame: 15 Number of chips / slot: 2560 chips Number of chips / slot: 2560 chips Handovers: Soft, Softer, (interfrequency: Hard) Handovers: Soft, Softer, (interfrequency: Hard) Power control period: Time slot = 1500 Hz rate Power control period: Time slot = 1500 Hz rate Power control step size: 0.5, 1, 1.5 and 2 dB (Variable) Power control step size: 0.5, 1, 1.5 and 2 dB (Variable) Power control range: UL 80dB, DL 30dB Power control range: UL 80dB, DL 30dB Mobile peak power: Power class 1: +33 dBm (+1dB/-3dB) = 2W; class 2 +27 dBm, class 3 +24 dBm, class 4 +21 dBm Mobile peak power: Power class 1: +33 dBm (+1dB/-3dB) = 2W; class 2 +27 dBm, class 3 +24 dBm, class 4 +21 dBm Number of unique base station identification codes: 512 / frequency Number of unique base station identification codes: 512 / frequency

21. Telematix Dr. Muid Mufti TD-SCDMA China Wireless Telecommunication Standards group (CWTS) China Wireless Telecommunication Standards group (CWTS) Approved by the ITU in 1999 Approved by the ITU in 1999 Developed by the Chinese Academy of Telecommunications Technology and Siemens Developed by the Chinese Academy of Telecommunications Technology and Siemens Frequency band: 2010 MHz - 2025 MHz in China (WLL 1900 MHz - 1920 MHz) Frequency band: 2010 MHz - 2025 MHz in China (WLL 1900 MHz - 1920 MHz) Minimum frequency band required: 1.6MHz Minimum frequency band required: 1.6MHz Frequency re-use: 1 (or 3) Frequency re-use: 1 (or 3) Chip rate: 1.28 Mcps Chip rate: 1.28 Mcps Frame length: 10ms Frame length: 10ms Number of slots: 7 Number of slots: 7 Modulation: QPSK or 8-PSK Modulation: QPSK or 8-PSK

22. Telematix Dr. Muid Mufti TD-SCDMA Voice data rate: 8kbit/s Voice data rate: 8kbit/s Circuit switched services: 12.2 kbits/s, 64 kbits/s, 144 kbits/s, 384 kbits/s, 2048 kbits/s Circuit switched services: 12.2 kbits/s, 64 kbits/s, 144 kbits/s, 384 kbits/s, 2048 kbits/s Packet data: 9.6kbits/s, 64kbits/s, 144kbits/s, 384kbits/s, 2048kbits/s Packet data: 9.6kbits/s, 64kbits/s, 144kbits/s, 384kbits/s, 2048kbits/s Receiver: Joint Detection, (mobile: Rake) Receiver: Joint Detection, (mobile: Rake) Power control period: 200 Hz Power control period: 200 Hz Number of slots / frame: 7 Number of slots / frame: 7 Frame length: 5ms Frame length: 5ms Multi carrier option Multi carrier option Handovers: Hard Handovers: Hard Uplink synchronization Uplink synchronization

23. Telematix Dr. Muid Mufti 1x EVDO (CDMA 2000) Qualcomm USA. Qualcomm USA. Frequency band: Any existing band. Frequency band: Any existing band. Minimum frequency band required: 1x: 2x1.25MHz, 3x: 2x3.75 Minimum frequency band required: 1x: 2x1.25MHz, 3x: 2x3.75 Chip rate: 1x: 1.2288, 3x: 3.6864 Mcps Chip rate: 1x: 1.2288, 3x: 3.6864 Mcps Maximum user data rate: 1x: 144 kbps now, 307 kbps in the future 1xEV-DO: max 384 kbps - 2.4 Mbps, 1xEV- DV: 4.8 Mbps. Maximum user data rate: 1x: 144 kbps now, 307 kbps in the future 1xEV-DO: max 384 kbps - 2.4 Mbps, 1xEV- DV: 4.8 Mbps. Frame length: 5ms, 10ms or 20ms Frame length: 5ms, 10ms or 20ms Power control rate: 800 Hz Power control rate: 800 Hz Spreading factors: 4... 256 UL Spreading factors: 4... 256 UL

24. Telematix Dr. Muid Mufti Migration to 3G

25. IEEE 802.16e

26. Telematix Dr. Muid Mufti 802.16e Mobile WirelessMAN Mobile WirelessMAN Approved by IEEE Feb 2006 Approved by IEEE Feb 2006 NLOS with Antenna Diversity NLOS with Antenna Diversity FDD / TDD FDD / TDD Multiple Convergence layers Multiple Convergence layers IP IP Ethernet Ethernet ATM ATM

27. Telematix Dr. Muid Mufti Adaptive PHY Burst-by-burst adaptivity not shown

28. Telematix Dr. Muid Mufti WIMAX-802.16-2004 Access SchemeOFDM/Time Division Multiple Access (TDMA), Orthogonal Frequency Division Multiple Access (OFDMA) Duplexing 1 TDD, FDD Channelisation 2 (802.16-2004) Between 1.25 to 28MHz Throughput (802.16-2004 std) Depends on individual vendor.  Up to 134Mbps for SC at 28MHz  Throughput varies with modulation scheme and channel bandwidth (i.e. For 20 MHz of channelisation, throughput is 32Mbps using QPSK, throughput is 64Mbps using 16QAM). Available Customer Devices  Mainly fixed certified equipment expected to be available in 2005/2006. Currently, most available products are pre-WIMAX.  Limited mobility (802.16e) likely mid/end 2006. MobilityFixed and nomadic without handoff (802.16-2004) at this point. Limited and full mobility (802.16e) up to 100 km/h in mid/end 2006. Spectrum 3 2-11 GHz, 10-66 GHz (Main focus: 2.5 GHz, 3.5 GHz and unlicensed 5.8 GHz)

29. Telematix Dr. Muid Mufti Adaptive Burst Profiles Burst profile Burst profile Modulation and FEC Modulation and FEC Dynamically assigned according to link conditions Dynamically assigned according to link conditions Burst by burst, per subscriber station Burst by burst, per subscriber station Trade-off capacity vs. robustness in real time Trade-off capacity vs. robustness in real time Roughly doubled capacity for the same cell area Roughly doubled capacity for the same cell area Burst profile for downlink broadcast channel is well-known Burst profile for downlink broadcast channel is well-known All other burst profiles could be configured “on the fly” All other burst profiles could be configured “on the fly” Subscriber station capabilities recognized at registration Subscriber station capabilities recognized at registration

30. Telematix Dr. Muid Mufti Duplex Scheme Support On downlink, SS is associated with a specific burst On downlink, SS is associated with a specific burst On uplink, SS is allotted a variable length time slot for their transmissions On uplink, SS is allotted a variable length time slot for their transmissions Time-Division Duplex (TDD) Time-Division Duplex (TDD) Downlink & Uplink time share the same RF channel Downlink & Uplink time share the same RF channel Dynamic asymmetry Dynamic asymmetry SS does not transmit & receive simultaneously (low cost) SS does not transmit & receive simultaneously (low cost) Frequency-Division Duplex (FDD) Frequency-Division Duplex (FDD) Downlink & Uplink on separate RF channels Downlink & Uplink on separate RF channels Static asymmetry Static asymmetry Half-duplex SSs supported Half-duplex SSs supported SS does not transmit & receive simultaneously (low cost) SS does not transmit & receive simultaneously (low cost)

31. Telematix Dr. Muid Mufti Duplex Scheme Support On downlink, SS is associated with a specific burst On downlink, SS is associated with a specific burst On uplink, SS is allotted a variable length time slot for their transmissions On uplink, SS is allotted a variable length time slot for their transmissions Time-Division Duplex (TDD) Time-Division Duplex (TDD) Downlink & Uplink time share the same RF channel Downlink & Uplink time share the same RF channel Dynamic asymmetry Dynamic asymmetry SS does not transmit & receive simultaneously (low cost) SS does not transmit & receive simultaneously (low cost) Frequency-Division Duplex (FDD) Frequency-Division Duplex (FDD) Downlink & Uplink on separate RF channels Downlink & Uplink on separate RF channels Static asymmetry Static asymmetry Half-duplex SSs supported Half-duplex SSs supported SS does not transmit & receive simultaneously (low cost) SS does not transmit & receive simultaneously (low cost)

32. Telematix Dr. Muid Mufti TDD Frame (10-66 GHz) Frame j-2 Frame j - 1Frame j Frame j+1 PS 0 Adaptive PS n-1 Downlink SubframeUplink Subframe n PS = (Symbol Rate x Frame Length) / 4

33. Telematix Dr. Muid Mufti TDD Downlink Subframe Tx/Rx Transition Gap Preamble Broadcast Control DUIC = 0 TDM DUIC a TDM DUIC b TDM DUIC c DL- MAPUL-MAP Preamble DIUC: Downlink Interval Usage Code TDM Portion

34. Telematix Dr. Muid Mufti Burst FDD Framing Frame DOWNLINK UPLINK Broadcast Full Duplex Capable User Half Duplex Terminal #1 Half Duplex Terminal #2 Allows scheduling flexibility

35. Telematix Dr. Muid Mufti FDD Downlink Subframe TDM Portion Preamble Broadcast Control DUIC = 0 TDM DIUC a TDM DIUC b TDM DIUC c TDM DIUC d TDM DIUC e TDM DIUC f Burst Start Points TDM DIUC g DL-MAP UL-MAP TDMA Portion

36. Telematix Dr. Muid Mufti Fragmentation Partitioning a MAC SDU into fragments transported in multiple MAC PDUs Partitioning a MAC SDU into fragments transported in multiple MAC PDUs Each connection can be in only a single fragmentation state at any time Each connection can be in only a single fragmentation state at any time Contents of the fragmentation sub-header: Contents of the fragmentation sub-header: 2-bit Fragmentation Control (FC) 2-bit Fragmentation Control (FC) Unfragmented, Last fragment, First fragment, Continuing fragment Unfragmented, Last fragment, First fragment, Continuing fragment 3-bit Fragmentation Sequence Number (FSN) 3-bit Fragmentation Sequence Number (FSN) required to detect missing continuing fragments required to detect missing continuing fragments continuous counter across SDUs continuous counter across SDUs

37. Telematix Dr. Muid Mufti Packing The process of combining multiple MAC SDUs (or fragments thereof) into a single MAC PDU The process of combining multiple MAC SDUs (or fragments thereof) into a single MAC PDU On connections with variable length MAC SDUs On connections with variable length MAC SDUs Packed PDU contains a sub-header for each packed SDU (or fragment thereof) Packed PDU contains a sub-header for each packed SDU (or fragment thereof) On connections with fixed length MAC SDUs On connections with fixed length MAC SDUs No packing sub-header needed No packing sub-header needed Packing and fragmentation can be combined Packing and fragmentation can be combined Can, in certain situations, save up to 10% of system bandwidth Can, in certain situations, save up to 10% of system bandwidth

38. Telematix Dr. Muid Mufti Classes of Service Characteristic of the Service Flow Unsolicited Grant Services (UGS) Unsolicited Grant Services (UGS) for constant bit-rate (CBR) or CBR-like service flows (SFs) such as T1/E1 for constant bit-rate (CBR) or CBR-like service flows (SFs) such as T1/E1 Real-time Polling Services (rtPS) Real-time Polling Services (rtPS) for rt -VBR-like SFs such as MPEG video for rt -VBR-like SFs such as MPEG video Non-real-time Polling Services (nrtPS) Non-real-time Polling Services (nrtPS) for nrt SFs with better than best effort service such as bandwidth- intensive file transfer for nrt SFs with better than best effort service such as bandwidth- intensive file transfer Best Effort (BE) Best Effort (BE) for best-effort traffic for best-effort traffic

39. Telematix Dr. Muid Mufti UGS No explicit bandwidth requests issued by SS No explicit bandwidth requests issued by SS Prohibited from using any contention requests Prohibited from using any contention requests No unicast request opportunity provided No unicast request opportunity provided May include a Grant Management (GM) sub-containing header containing May include a Grant Management (GM) sub-containing header containing Slip indicator: indicates that there is an backlog in the buffer due to clock skew or loss of maps Slip indicator: indicates that there is an backlog in the buffer due to clock skew or loss of maps Poll-me bit: indicates that the terminal needs to be polled (allows for not polling terminals with UGS-only services). Poll-me bit: indicates that the terminal needs to be polled (allows for not polling terminals with UGS-only services).

40. Telematix Dr. Muid Mufti RTPS Intended for rt-VBR-like service flows such as MPEG video Intended for rt-VBR-like service flows such as MPEG video Prohibited from using any contention requests Prohibited from using any contention requests Terminals polled frequently enough to meet the delay requirements of the SFs Terminals polled frequently enough to meet the delay requirements of the SFs Bandwidth requested with BW request messages (a special MAC PDU header) Bandwidth requested with BW request messages (a special MAC PDU header) May use Grant Management sub-header May use Grant Management sub-header new request can be piggybacked with each transmitted PDU new request can be piggybacked with each transmitted PDU

41. Telematix Dr. Muid Mufti NRTPS Intended for non-real-time service flows with better than best effort service Intended for non-real-time service flows with better than best effort service e.g. bandwidth-intensive file transfer e.g. bandwidth-intensive file transfer Works like rt-polling except that polls are issued less frequently Works like rt-polling except that polls are issued less frequently Allowed to use contention requests Allowed to use contention requests May use Grant Management sub-header May use Grant Management sub-header new request can be piggybacked with each transmitted PDU new request can be piggybacked with each transmitted PDU

42. Telematix Dr. Muid Mufti BE Generic data Generic data e.g. HTTP, SMTP, etc. e.g. HTTP, SMTP, etc. No QoS guarantees No QoS guarantees Allowed to use contention requests Allowed to use contention requests May use Grant Management sub-header May use Grant Management sub-header new request can be piggybacked with each transmitted PDU new request can be piggybacked with each transmitted PDU

43. Telematix Dr. Muid Mufti Request/Grant Scheme Self Correcting Self Correcting No acknowledgement No acknowledgement All errors are handled in the same way, i.e., periodical aggregate requests All errors are handled in the same way, i.e., periodical aggregate requests Bandwidth Requests are always per Connection Bandwidth Requests are always per Connection Grants are either per Connection (GPC) or per Subscriber Station (GPSS) Grants are either per Connection (GPC) or per Subscriber Station (GPSS) Grants (given as durations) are carried in the UL-MAP messages Grants (given as durations) are carried in the UL-MAP messages SS needs to convert the time to amount of data using information about the UIUC SS needs to convert the time to amount of data using information about the UIUC

44. WIMAX Deployment

45. Telematix Dr. Muid Mufti Aperto 2.5 GHz, 3.3 GHz, 3.5 GHz, 5.3GHz, 5.8 GHz 2.5 GHz, 3.3 GHz, 3.5 GHz, 5.3GHz, 5.8 GHz Deployed/trialed by: Deployed/trialed by: Iberbanda, Spain; Iberbanda, Spain; Enertel, Holland; Enertel, Holland; Sequelle Communications Alliance, USA Sequelle Communications Alliance, USA

46. Telematix Dr. Muid Mufti Alvarion 3.5 GHz, 5.8 GHz, 2.5 GHz 3.5 GHz, 5.8 GHz, 2.5 GHz Summerside Community Network, USA Summerside Community Network, USA Telekom Serbia, Israel Telekom Serbia, Israel Axtel, Mexico Axtel, Mexico

47. Telematix Dr. Muid Mufti Nex-G Target licensed exempt bands initially e.g. 5.8 GHz. Subsequently licensed bands e.g. 3.5 Ghz, 2.5 Ghz Target licensed exempt bands initially e.g. 5.8 GHz. Subsequently licensed bands e.g. 3.5 Ghz, 2.5 Ghz

48. Telematix Dr. Muid Mufti Redline Communications 3.5 GHz, 5.4 GHz, 5.8 GHz 3.5 GHz, 5.4 GHz, 5.8 GHz Telabria, UK Telabria, UK I-Netlink Wireless, Canada; I-Netlink Wireless, Canada; Thirteen WNET/New York, USA Thirteen WNET/New York, USA

49. Telematix Dr. Muid Mufti WiLAN 2.4 GHz, 3.5 GHz, 5.8GHz 2.4 GHz, 3.5 GHz, 5.8GHz Marathon Oil, USA Marathon Oil, USA TM Net Sdn. Bhd, Malaysia TM Net Sdn. Bhd, Malaysia

50. IEEE 802.20

51. Telematix Dr. Muid Mufti 802.20 (Mobile Fi) Mobile Broadband Wireless Access (MBWA) Mobile Broadband Wireless Access (MBWA) Below 3.5 GHz bands Below 3.5 GHz bands Optimized for IP-data transport Optimized for IP-data transport Peak data rates per user in excess of 1 Mbps Peak data rates per user in excess of 1 Mbps supports various vehicular mobility classes up to 250 Km/h supports various vehicular mobility classes up to 250 Km/h Range up to 20 Km Range up to 20 Km Extremely low latency at 20 milliseconds or less Extremely low latency at 20 milliseconds or less

52. Telematix Dr. Muid Mufti 802.20 (Mobile Fi) The 802.20 interface seeks to boost real-time data transmission rates in wireless metropolitan area networks to speeds that rival DSL and cable connections The 802.20 interface seeks to boost real-time data transmission rates in wireless metropolitan area networks to speeds that rival DSL and cable connections Cell sizes to commensurate with ubiquitous metropolitan Cell sizes to commensurate with ubiquitous metropolitan Targets spectral efficiencies, sustained user data rates Targets spectral efficiencies, sustained user data rates Numbers of active users significantly higher than achieved by existing mobile systems Numbers of active users significantly higher than achieved by existing mobile systems

53. Telematix Dr. Muid Mufti 802.20 (Mobile Fi) Efficient packet-based air interface with high- speed downlink and uplink capabilities Efficient packet-based air interface with high- speed downlink and uplink capabilities It will enable telephony using Voice over Internet Protocol (VoIP) and activities needing rapid network response times, such as online gaming and financial transactions It will enable telephony using Voice over Internet Protocol (VoIP) and activities needing rapid network response times, such as online gaming and financial transactions The standard also will support other IP-centric applications, so the many native IP applications can be used without alteration. The standard also will support other IP-centric applications, so the many native IP applications can be used without alteration.

54. Telematix Dr. Muid Mufti Spectral Efficiencies

55. Telematix Dr. Muid Mufti Design Criteria Broad Market Potential Broad Market Potential Broad sets of applicability. Broad sets of applicability. Multiple vendors and numerous users. Multiple vendors and numerous users. Balanced costs Balanced costs Compatibility Compatibility Conformance with 802 Overview and Architecture Conformance with 802 Overview and Architecture Conformance with 802.1D (MAC Bridges) and 802.1F (VLAN Bridges) Conformance with 802.1D (MAC Bridges) and 802.1F (VLAN Bridges) Conformance with 802.1F and compatible managed object definitions Conformance with 802.1F and compatible managed object definitions Identification of any variance in conformance Identification of any variance in conformance Coexistence. Coexistence.

56. Telematix Dr. Muid Mufti Design Criteria Distinct Identity Distinct Identity Substantially different from other IEEE 802 standards. Substantially different from other IEEE 802 standards. One unique solution per problem. One unique solution per problem. Easy for the document reader to select the relevant specification. Easy for the document reader to select the relevant specification. Technical Feasibility Technical Feasibility Demonstrated system feasibility. Demonstrated system feasibility. Proven technology, reasonable testing. Proven technology, reasonable testing. Confidence in reliability. Confidence in reliability. Economic Feasibility Economic Feasibility Known cost factors, reliable data. Known cost factors, reliable data. Reasonable cost for performance. Reasonable cost for performance. Consideration of installation costs Consideration of installation costs

57. Telematix Dr. Muid Mufti 802.20 vs. 802.16e 802.16e - 2 to 6 GHz licensed bands, while 802.20 below 3.5GHz. 802.16e - 2 to 6 GHz licensed bands, while 802.20 below 3.5GHz. 802.16e - based on an existing standard (802.16a), while 802.20 is starting from scratch. 802.16e - based on an existing standard (802.16a), while 802.20 is starting from scratch. 802.16e – approved by IEEE February 2006, while 802.20 is under development. 802.16e – approved by IEEE February 2006, while 802.20 is under development. 802.16e - 120 to 150 kilometers per hour, while 802.20 up to 250 kilometers per hour 802.16e - 120 to 150 kilometers per hour, while 802.20 up to 250 kilometers per hour 802.16e - mobile user walking around with a PDA or laptop, while 802.20 will address high-speed mobility issues 802.16e - mobile user walking around with a PDA or laptop, while 802.20 will address high-speed mobility issues 80216e – deployment in their existing [.16a] footprint, while 802.20 is looking at more ubiquitous coverage. 80216e – deployment in their existing [.16a] footprint, while 802.20 is looking at more ubiquitous coverage. Fate of both standards rests with 802.16 - if there's success in the 802.16 market, it will portend good things for the 802.20 Fate of both standards rests with 802.16 - if there's success in the 802.16 market, it will portend good things for the 802.20

58. MBWA Deployment

59. Telematix Dr. Muid Mufti ArrayComm System System iBurst iBurst Access Scheme Access Scheme TDMA/FDMA/SDMA TDMA/FDMA/SDMA Spectrum Spectrum 5 or 10 MHz TDD 5 or 10 MHz TDD Per User Throughout (DL/UL) Per User Throughout (DL/UL) 1 Mbps/345 kbps(5 MHz bandwidth) 1 Mbps/345 kbps(5 MHz bandwidth) Available Customer Devices PCMCIA, Standalone Ethernet USB modem Mobility < 80 kmph Standard affiliation 802.20 Commercialization PBA, Australia; WBS, South Africa,8 ongoing trials

60. Telematix Dr. Muid Mufti Flarion System System RadioRouter RadioRouter Access Scheme Access Scheme Flash OFDM, Flash-OFDM Flexband Flash OFDM, Flash-OFDM Flexband Spectrum Spectrum 2x 1.25 MHz FDD, 2x 1.25 MHz FDD, 2 x 5Mhz FDD (three 1.25Mhz carriers), 2 x 5Mhz FDD (three 1.25Mhz carriers), 2 x 5Mhz FDD (one 5Mhz carrier) 2 x 5Mhz FDD (one 5Mhz carrier) Per User Throughout (DL/UL) Per User Throughout (DL/UL) 1.5Mbps/500kbps, 2.5Mbps/900kbps, 1.5Mbps/500kbps, 2.5Mbps/900kbps, 6.0Mbps/2.5Mbps 6.0Mbps/2.5Mbps Available Customer Devices PCMCIA Desktop modem Chipset WiFi/FOFDM AP Mobility < 300 kmph Standard affiliation 802.20 Commercialization Nextel, North Carolina, US; CellularOne, Texas, US; Vodafone, Japan; Telstra, Australia; T-Mobile, Netherlands; OCTO (Public Safety), Washington DC, US.

61. Telematix Dr. Muid Mufti IPWirless System System IPWireless IPWireless Access Scheme Access Scheme UMTS TD-CDMA UMTS TD-CDMA Spectrum Spectrum 5 or 10 MHz TDD 5 or 10 MHz TDD 2x 5 MHz FDD 2x 5 MHz FDD 2x 10MHz FDD 2x 10MHz FDD Per User Throughout (DL/UL) Per User Throughout (DL/UL) 1.5 Mbps/512 kbps (5 MHz bandwidth) 1.5 Mbps/512 kbps (5 MHz bandwidth) Available Customer Devices PCMCIA Standalone Ethernet USB modem Chipset IPWireless/WiFi gateway VoIP Integrated Access Device Mobility < 120 kmph Standardisation affiliation 3GPP UMTS TDD Commercialisation Woosh Wireless, NZ; UK Broadband (PCCW); Maxis, Malaysia; Sentech, South Africa; AirData, Germany 15 ongoing trials:

62. Telematix Dr. Muid Mufti Samsung System System WIMAX/Wibro WIMAX/Wibro Access Scheme Access Scheme OFDMA OFDMA Spectrum Spectrum 10 MHz TDD 10 MHz TDD Per User Throughout (DL/UL) Per User Throughout (DL/UL) 3 Mbps/1 Mbps 3 Mbps/1 Mbps Available Customer Device PCMCIA Mobility < 120 kmph Standard affiliation WIMAX 802.16e Commercialization None yet.

63. Telematix Dr. Muid Mufti Navini System System Ripwave Ripwave Access Scheme Access Scheme MC-SCDMA MC-SCDMA Spectrum Spectrum 5 MHz TDD 5 MHz TDD Per User Throughout (DL/UL) Per User Throughout (DL/UL) 2.0 Mbps/1.0 Mbps (max.) for standalone and outdoor modem. 2.0 Mbps/1.0 Mbps (max.) for standalone and outdoor modem. 1.0 Mbps/.5 Mbps (max.) for PCMCIA 1.0 Mbps/.5 Mbps (max.) for PCMCIA Available Customer Devices PCMCIA Standalone Ethernet/USB modem Outdoor Modem Mobility Limited low speed mobility until WIMAX 802.16e Standard affiliation 802.20 802.16e Commercialization IBAX, Italy; Unwired, Australia; 11 ongoing trials.

64. Telematix Dr. Muid Mufti References http://grouper.ieee.org/groups/802/20/ http://grouper.ieee.org/groups/802/20/ http://www.iad.gov.pk http://www.iad.gov.pk http://www.iad.gov.pk IEEE 802.16 specs IEEE 802.16 specs

65. Questions