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

Mobile Mobile Broadband Broadband

Wireless AccessWireless AccessDr. Muid MuftiDr. Muid Mufti

20 December 200620 December 2006

Dr. Muid Mufti Telematix

History of WirelessHistory of Wireless

First Ever Wireless First Ever Wireless Communication ?Communication ?

First Mobile Radio First Mobile Radio TelephoneTelephone19241924

Phenomenal growth Phenomenal growth with the turn of the with the turn of the centurycentury


The Wireless ExperienceThe Wireless Experience

Satellite

MacrocellMicrocell

UrbanIn-Building

Picocell

Global

Suburban

Basic TerminalPDA Terminal

Audio/Visual Terminal


Advantages of WirelessAdvantages of Wireless

Low costLow cost Low maintenanceLow maintenance Quick deploymentQuick deployment Reduced sunk costReduced sunk cost MobilityMobility


Disadvantages of Disadvantages of WirelessWireless

Non secureNon secure Environmentally vulnerableEnvironmentally vulnerable Frequency reuse issuesFrequency reuse issues


Ubiquitous Ubiquitous NetworksNetworks

MBWA based productMBWA based product Cell phone TVCell phone TV Streaming MultimediaStreaming Multimedia Video on DemandVideo on Demand

MBWA based ServicesMBWA based Services Mobile medical aidMobile medical aid Train entertainment systemsTrain entertainment systems SurveillanceSurveillance

Strategic MBWA businessStrategic MBWA business


Defining BroadbandDefining Broadband High dates rates ?High dates rates ? FCC definition of broadband: Connections with FCC definition of broadband: Connections with

speed exceeding 200 Kb/s in at least one speed exceeding 200 Kb/s in at least one directiondirection

PTA definition of broadband: High speed, PTA definition of broadband: High speed, ‘always on’ Internet connection. Speed of ‘always on’ Internet connection. Speed of connection ranging from 128 Kbps to 2 Mbps or connection ranging from 128 Kbps to 2 Mbps or higher.higher.

Refers to the ability of the user to view content Refers to the ability of the user to view content across the internet that includes large files, such across the internet that includes large files, such as video, audio, multimedia and 3D graphics as video, audio, multimedia and 3D graphics

QoS SupportQoS Support


Mobile vs. WirelessMobile vs. Wireless

Wireless Mobile


MobilityMobility

Range of mobilityRange of mobility Geographic rangeGeographic range Across networksAcross networks IP mobilityIP mobility

Speed of mobilitySpeed of mobility Personal mobilityPersonal mobility Vehicular mobilityVehicular mobility

Frequency of mobilityFrequency of mobility Mobility OverheadMobility Overhead


MBWAMBWA

Be able to support broadband data Be able to support broadband data rates with given QoS with mobilityrates with given QoS with mobility

Mobility speedMobility speed Personal mobilityPersonal mobility 100+ km/h – high speed trains, cars, 100+ km/h – high speed trains, cars,

buses etc.buses etc.


QoS – Conversational / Real-QoS – Conversational / Real-time Services time Services

Medium Application Data rate Key Performance parameters and target values

One-way Delay

Delay Variation

Information Loss

Audio Conversational voice

4–13 kbps <150 msec Preferred <100 msec

<1 msec <3% FER

Video Videophone 32–384 kbps <150 msec <1% FER

Data Telemetry two-way control

<28.8 kbps <250 msec N.A. Zero

Data Interactive games

<1 KB <250 msec N.A. Zero

Data Telnet <1KB <250 msec N.A. Zero


QoS - Interactive QoS - Interactive Services Services

Medium Application Data rate Key Performance parameters and target values

One-way Delay

Delay Variation

Information Loss

Audio Voice messaging

4–13 kbps <1 sec Playback <2 sec record

<1 msec <3% FER

Data Web-browsing HTML

<4 sec/page N.A. Zero

Data Transactions Services High Priority e-commerce, ATM

<250 msec N.A. Zero

Data Interactive games

<250 msec N.A. Zero


QoS - Streaming Services QoS - Streaming Services Medium Application Data rate Key Performance parameters and

target values

One-way Delay

Delay Variation

Information Loss

Audio High quality Streaming audio

32–128 kbps <10 sec <1 msec <1% FER

Video One-way 32–384 kbps <10 sec <1% FER

Data Bulk data Transfer/retrieval

<10 sec N.A. Zero

Data Still image <10 sec N.A. Zero

Data Telemetry - monitoring

<28.8 kbps <10 sec N.A. Zero


Mobile Broadband Mobile Broadband Development StreamsDevelopment Streams

UMTS-TDD (WCDMA-TDD)UMTS-TDD (WCDMA-TDD) FDD W-CDMAFDD W-CDMA TD-SCDMATD-SCDMA 1x EVDO1x EVDO WiMAX (802.16e)WiMAX (802.16e) 802.20 (MobileFi) 802.20 (MobileFi)


Global Wireless Data Global Wireless Data StandardsStandards

Range

Data Rates

802.16WiMax

802.20MobileFi

802.11Wifi

Bluetooth

802.15Zigbee

GPRS

UMTS

WUSB


Global Wireless Data Global Wireless Data StandardsStandards

Network Coverage Data Rates Mobility Cost

Satellite (B-GAN) World Max. 144 Kb/s High High

GSM/GPRS Aprox. 35 KM 9.6 Kb/s up to 144 Kb/s High High

IEEE 802. 16a Aprox. 30 KM Max. 70 Mb/s Low/Medium Medium

IEEE 802. 20 Aprox. 20 KM 1-9 Mb/s Very High High

UMTS 20 KM Up to 2 Mb/s High High

HIPERLAN 2 70 up to 300 m 25 Mb/s Medium/high Low

IEEE 802.11a 50 up to 300 m 54 Mb/s Medium/high Low

IEEE 802.11b 50 up to 300 m 11 Mb/s Medium/high Low

Bluetooth 10 m Max. 700 Kb/s Very low Low


Basic Modulation Basic Modulation SchemesSchemes


UMTS-TDDUMTS-TDD Up to 12MbpsUp to 12Mbps More than 3 times higher than any other More than 3 times higher than any other

commercial mobile platform.commercial mobile platform. True N=1 frequency reuse True N=1 frequency reuse

Network operator can deploy a network with Network operator can deploy a network with multiple towers using only one RF Channelmultiple towers using only one RF Channel

5 MHz RF channel for a 3.84 Mcps system5 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 Mobility up to 120 km/hr within the network

footprintfootprint Tower-to-tower handoff roamingTower-to-tower handoff roaming Network-to-network roamingNetwork-to-network roaming


FDD W-CDMAFDD W-CDMA Frequency band:1920 MHz -1980 MHz and 2110 MHz - 2170 MHz Frequency band:1920 MHz -1980 MHz and 2110 MHz - 2170 MHz

(Frequency Division Duplex) (Frequency Division Duplex) Minimum frequency band required: ~ 2x5MHzMinimum frequency band required: ~ 2x5MHz Frequency re-use: 1Frequency re-use: 1 Carrier Spacing: 4.4MHz - 5.2 MHzCarrier Spacing: 4.4MHz - 5.2 MHz Maximum number of (voice) channels on 2x5MHz: ~196 (spreading factor Maximum number of (voice) channels on 2x5MHz: ~196 (spreading factor

256 UL, AMR 7.95kbps) / ~98 (spreading factor 128 UL, AMR 12.2kbps) 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 Voice coding: AMR codecs (4.75 kHz - 12.2 kHz, GSM EFR=12.2 kHz) and

SID (1.8 kHz)SID (1.8 kHz) Channel coding: Convolutional coding, Turbo code for high rate dataChannel coding: Convolutional coding, Turbo code for high rate data Duplexer needed (190MHz separation), Asymmetric connection supportedDuplexer needed (190MHz separation), Asymmetric connection supported Tx/Rx isolation: MS: 55dB, BS: 80dBTx/Rx isolation: MS: 55dB, BS: 80dB Receiver: RakeReceiver: Rake Receiver sensitivity: Node B: -121dBm, Mobile -117dBm at BER of 10-3Receiver sensitivity: Node B: -121dBm, Mobile -117dBm at BER of 10-3 Data type: Packet and circuit switchData type: Packet and circuit switch Modulation: QPSKModulation: QPSK Pulse shaping: Root raised cosine, roll-off = 0.22Pulse shaping: Root raised cosine, roll-off = 0.22 Chip rate: 3.84 McpsChip rate: 3.84 Mcps


FDD W-CDMAFDD W-CDMA Channel raster: 200 kHzChannel raster: 200 kHz Maximum user data rate (Offered): 384 kbps (year 2002), Maximum user data rate (Offered): 384 kbps (year 2002),

higher rates ( ~ 2 Mbps) in the near future. HSPDA will offer higher rates ( ~ 2 Mbps) in the near future. HSPDA will offer data speeds up to 8-10 Mbps (and 20 Mbps for MIMO data speeds up to 8-10 Mbps (and 20 Mbps for MIMO systems)systems)

Channel bit rate: 5.76MbpsChannel bit rate: 5.76Mbps Frame length: 10ms (38400 chips)Frame length: 10ms (38400 chips) Number of slots / frame: 15Number of slots / frame: 15 Number of chips / slot: 2560 chipsNumber of chips / slot: 2560 chips Handovers: Soft, Softer, (interfrequency: Hard)Handovers: Soft, Softer, (interfrequency: Hard) Power control period: Time slot = 1500 Hz ratePower 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 30dBPower control range: UL 80dB, DL 30dB Mobile peak power: Power class 1: +33 dBm (+1dB/-3dB) = Mobile peak power: Power class 1: +33 dBm (+1dB/-3dB) =

2W; class 2 +27 dBm, class 3 +24 dBm, class 4 +21 dBm2W; class 2 +27 dBm, class 3 +24 dBm, class 4 +21 dBm Number of unique base station identification codes: 512 / Number of unique base station identification codes: 512 /

frequencyfrequency


TD-SCDMATD-SCDMA China Wireless Telecommunication Standards China Wireless Telecommunication Standards

group (CWTS)group (CWTS) Approved by the ITU in 1999Approved by the ITU in 1999 Developed by the Chinese Academy of Developed by the Chinese Academy of

Telecommunications Technology and SiemensTelecommunications Technology and Siemens Frequency band: 2010 MHz - 2025 MHz in China Frequency band: 2010 MHz - 2025 MHz in China

(WLL 1900 MHz - 1920 MHz)(WLL 1900 MHz - 1920 MHz) Minimum frequency band required: 1.6MHzMinimum frequency band required: 1.6MHz Frequency re-use: 1 (or 3)Frequency re-use: 1 (or 3) Chip rate: 1.28 McpsChip rate: 1.28 Mcps Frame length: 10msFrame length: 10ms Number of slots: 7Number of slots: 7 Modulation: QPSK or 8-PSKModulation: QPSK or 8-PSK


TD-SCDMATD-SCDMA Voice data rate: 8kbit/sVoice data rate: 8kbit/s Circuit switched services: 12.2 kbits/s, 64 kbits/s, Circuit switched services: 12.2 kbits/s, 64 kbits/s,

144 kbits/s, 384 kbits/s, 2048 kbits/s144 kbits/s, 384 kbits/s, 2048 kbits/s Packet data: 9.6kbits/s, 64kbits/s, 144kbits/s, Packet data: 9.6kbits/s, 64kbits/s, 144kbits/s,

384kbits/s, 2048kbits/s384kbits/s, 2048kbits/s Receiver: Joint Detection, (mobile: Rake)Receiver: Joint Detection, (mobile: Rake) Power control period: 200 HzPower control period: 200 Hz Number of slots / frame: 7Number of slots / frame: 7 Frame length: 5msFrame length: 5ms Multi carrier optionMulti carrier option Handovers: HardHandovers: Hard Uplink synchronizationUplink synchronization


1x EVDO (CDMA 2000)1x EVDO (CDMA 2000) Qualcomm USA.Qualcomm USA. Frequency band: Any existing band.Frequency band: Any existing band. Minimum frequency band required: 1x: Minimum frequency band required: 1x:

2x1.25MHz, 3x: 2x3.75 2x1.25MHz, 3x: 2x3.75 Chip rate: 1x: 1.2288, 3x: 3.6864 McpsChip rate: 1x: 1.2288, 3x: 3.6864 Mcps Maximum user data rate: 1x: 144 kbps Maximum user data rate: 1x: 144 kbps

now, 307 kbps in the future 1xEV-DO: max now, 307 kbps in the future 1xEV-DO: max 384 kbps - 2.4 Mbps, 1xEV-DV: 4.8 Mbps.384 kbps - 2.4 Mbps, 1xEV-DV: 4.8 Mbps.

Frame length: 5ms, 10ms or 20msFrame length: 5ms, 10ms or 20ms Power control rate: 800 HzPower control rate: 800 Hz Spreading factors: 4 ... 256 ULSpreading factors: 4 ... 256 UL


Migration to 3GMigration to 3G

CDMA

GSM

TDMA

PHS (IP-Based)

64 Kbps

GPRS

115 Kbps

CDMA 1xRTT

144 Kbps

EDGE

384 Kbps

cdma20001X-EV-DV

Over 2.4 Mbps

W-CDMA (UMTS)

Up to 2 Mbps

2G2.5G

2.75G 3G

1992 - 2000+2001+

2003+

1G

1984 - 1996+

2003 - 2004+

TACS

NMT

AMPS

GSM/GPRS

(Overlay) 115 Kbps

9.6 Kbps

9.6 Kbps

14.4 Kbps/ 64 Kbps

9.6 Kbps

PDC

Analog Voice

Digital Voice

Packet Data

IntermediateMultimedia

Multimedia

PHS

TD-SCDMA

2 Mbps?

9.6 Kbps

iDEN

(Overlay)

iDEN

Source: U.S. Bancorp Piper Jaffray

IEEE 802.16eIEEE 802.16e


802.16e802.16e

Mobile WirelessMANMobile WirelessMAN Approved by IEEE Feb 2006Approved by IEEE Feb 2006 NLOS with Antenna DiversityNLOS with Antenna Diversity FDD / TDDFDD / TDD Multiple Convergence layersMultiple Convergence layers

IPIP EthernetEthernet ATMATM


Adaptive PHY Adaptive PHY

Burst-by-burst adaptivity not shown


WIMAX-802.16-2004WIMAX-802.16-2004Access Scheme OFDM/Time Division Multiple Access (TDMA), Orthogonal Frequency

Division Multiple Access (OFDMA)

Duplexing1 TDD, FDD

Channelisation2

(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.

Mobility Fixed 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.

Spectrum3 2-11 GHz, 10-66 GHz(Main focus: 2.5 GHz, 3.5 GHz and unlicensed 5.8 GHz)


Adaptive Burst ProfilesAdaptive Burst Profiles Burst profileBurst profile

Modulation and FECModulation and FEC Dynamically assigned according to link Dynamically assigned according to link

conditionsconditions Burst by burst, per subscriber stationBurst by burst, per subscriber station Trade-off capacity vs. robustness in Trade-off capacity vs. robustness in real timereal time

Roughly doubled capacity for the same cell areaRoughly doubled capacity for the same cell area Burst profile for downlink broadcast channel is Burst profile for downlink broadcast channel is

well-knownwell-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 Subscriber station capabilities recognized at

registrationregistration


Duplex Scheme SupportDuplex Scheme Support On downlink , SS is associated with a specific On downlink , SS is associated with a specific

burstburst On uplink , SS is allotted a variable length time On uplink , SS is allotted a variable length time

slot for their transmissionsslot for their transmissions Time-Division Duplex (TDD)Time-Division Duplex (TDD)

Downlink & Uplink time share the same RF channelDownlink & Uplink time share the same RF channel Dynamic asymmetryDynamic asymmetry SS does not transmit & receive simultaneously (low SS does not transmit & receive simultaneously (low

cost)cost) Frequency-Division Duplex (FDD)Frequency-Division Duplex (FDD)

Downlink & Uplink on separate RF channelsDownlink & Uplink on separate RF channels Static asymmetryStatic asymmetry Half-duplex SSs supportedHalf-duplex SSs supported

SS does not transmit & receive simultaneously (low cost)SS does not transmit & receive simultaneously (low cost)


Duplex Scheme SupportDuplex Scheme Support On downlink , SS is associated with a specific On downlink , SS is associated with a specific

burstburst On uplink , SS is allotted a variable length time On uplink , SS is allotted a variable length time

slot for their transmissionsslot for their transmissions Time-Division Duplex (TDD)Time-Division Duplex (TDD)

Downlink & Uplink time share the same RF channelDownlink & Uplink time share the same RF channel Dynamic asymmetryDynamic asymmetry SS does not transmit & receive simultaneously (low SS does not transmit & receive simultaneously (low

cost)cost) Frequency-Division Duplex (FDD)Frequency-Division Duplex (FDD)

Downlink & Uplink on separate RF channelsDownlink & Uplink on separate RF channels Static asymmetryStatic asymmetry Half-duplex SSs supportedHalf-duplex SSs supported

SS does not transmit & receive simultaneously (low cost)SS does not transmit & receive simultaneously (low cost)


TDD Frame (10-66 GHz)TDD Frame (10-66 GHz)

Frame j-2 Frame j - 1 Frame j Frame j+1 Frame j+1

PS 0 Adaptive PS n-1

Downlink Subframe Uplink Subframe

n PS = (Symbol Rate x Frame Length) / 4


TDD Downlink SubframeTDD Downlink Subframe

Tx/Rx Transition Gap

Pre

am

ble Broadcast

ControlDUIC = 0

TDMDUIC a

TDM DUIC b

TDMDUIC c

DL- MAP UL-MAP

Pre

am

ble

DIUC: Downlink Interval Usage Code

TDM Portion


Burst FDD Framing Burst FDD Framing

Frame

DOWNLINK

UPLINK

Broadcast

Full Duplex Capable User

Half Duplex Terminal #1

Half Duplex Terminal #2

Allows scheduling flexibility


FDD Downlink SubframeFDD Downlink SubframeTDM Portion

Pre

am

ble

Pre

am

ble

Pre

am

ble

Pre

am

ble

Pre

am

ble

Pre

am

ble

BroadcastControl

DUIC = 0

TDMDIUC a

TDMDIUC b

TDMDIUC c

TDMDIUC d

TDMDIUC e

TDMDIUC f

Burst Start Points

TDMDIUC g

DL-MAP UL-MAP

TDMA Portion


FragmentationFragmentation Partitioning a MAC SDU into fragments Partitioning a MAC SDU into fragments

transported in multiple MAC PDUs transported in multiple MAC PDUs Each connection can be in only a single Each connection can be in only a single

fragmentation state at any timefragmentation 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, Unfragmented, Last fragment, First fragment,

Continuing fragmentContinuing fragment 3-bit Fragmentation Sequence Number (FSN)3-bit Fragmentation Sequence Number (FSN)

required to detect missing continuing fragmentsrequired to detect missing continuing fragments continuous counter across SDUs continuous counter across SDUs


Packing Packing

The process of combining multiple MAC SDUs The process of combining multiple MAC SDUs (or fragments thereof) into a single MAC PDU(or fragments thereof) into a single MAC PDU

On connections with variable length MAC SDUsOn connections with variable length MAC SDUs Packed PDU contains a sub-header for each packed Packed PDU contains a sub-header for each packed

SDU (or fragment thereof)SDU (or fragment thereof) On connections with fixed length MAC SDUsOn connections with fixed length MAC SDUs

No packing sub-header neededNo packing sub-header needed Packing and fragmentation can be combinedPacking and fragmentation can be combined Can, in certain situations, save up to 10% of Can, in certain situations, save up to 10% of

system bandwidthsystem bandwidth


Classes of ServiceClasses of Service

Characteristic of the Service FlowCharacteristic of the Service Flow Unsolicited Grant Services (UGS)Unsolicited Grant Services (UGS)

for constant bit-rate (CBR) or CBR-like service flows for constant bit-rate (CBR) or CBR-like service flows (SFs) such as T1/E1(SFs) such as T1/E1

Real-time Polling Services (rtPS)Real-time Polling Services (rtPS) for rt -VBR-like SFs such as MPEG videofor 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 for nrt SFs with better than best effort service such as

bandwidth-intensive file transferbandwidth-intensive file transfer Best Effort (BE)Best Effort (BE)

for best-effort trafficfor best-effort traffic


UGSUGS No explicit bandwidth requests issued by No explicit bandwidth requests issued by

SSSS Prohibited from using any contention Prohibited from using any contention

requestsrequests No unicast request opportunity provided No unicast request opportunity provided May include a Grant Management (GM) May include a Grant Management (GM)

sub-containing header containingsub-containing header containing Slip indicator: indicates that there is an Slip indicator: indicates that there is an

backlog in the buffer due to clock skew or loss backlog in the buffer due to clock skew or loss of mapsof maps

Poll-me bit: indicates that the terminal needs Poll-me bit: indicates that the terminal needs to be polled (allows for not polling terminals to be polled (allows for not polling terminals with UGS-only services). with UGS-only services).


RTPSRTPS Intended for rt-VBR-like service flows such as Intended for rt-VBR-like service flows such as

MPEG videoMPEG video Prohibited from using any contention requestsProhibited from using any contention requests Terminals polled frequently enough to meet the Terminals polled frequently enough to meet the

delay requirements of the SFsdelay requirements of the SFs Bandwidth requested with BW request messages Bandwidth requested with BW request messages

(a special MAC PDU header)(a special MAC PDU header) May use Grant Management sub-headerMay use Grant Management sub-header

new request can be piggybacked with each transmitted new request can be piggybacked with each transmitted PDUPDU


NRTPSNRTPS Intended for non-real-time service flows Intended for non-real-time service flows

with better than best effort servicewith better than best effort service e.g. bandwidth-intensive file transfere.g. bandwidth-intensive file transfer

Works like rt-polling except that polls are Works like rt-polling except that polls are issued less frequentlyissued less frequently

Allowed to use contention requests Allowed to use contention requests May use Grant Management sub-headerMay use Grant Management sub-header

new request can be piggybacked with each new request can be piggybacked with each transmitted PDUtransmitted PDU


BEBE

Generic dataGeneric data e.g. HTTP, SMTP, etc. e.g. HTTP, SMTP, etc.

No QoS guaranteesNo QoS guarantees Allowed to use contention requestsAllowed to use contention requests May use Grant Management sub-May use Grant Management sub-

headerheader new request can be piggybacked with new request can be piggybacked with

each transmitted PDUeach transmitted PDU


Request/Grant SchemeRequest/Grant Scheme Self CorrectingSelf Correcting

No acknowledgement No acknowledgement All errors are handled in the same way, i.e., periodical All errors are handled in the same way, i.e., periodical

aggregate requestsaggregate requests Bandwidth Requests are always per ConnectionBandwidth Requests are always per Connection Grants are either per Connection (GPC) or per Grants are either per Connection (GPC) or per

Subscriber Station (GPSS)Subscriber Station (GPSS) Grants (given as durations) are carried in the UL-MAP Grants (given as durations) are carried in the UL-MAP

messagesmessages SS needs to convert the time to amount of data using SS needs to convert the time to amount of data using

information about the UIUCinformation about the UIUC

WIMAX WIMAX DeploymentDeployment


ApertoAperto

2.5 GHz, 3.3 GHz , 3.5 GHz, 2.5 GHz, 3.3 GHz , 3.5 GHz, 5.3GHz , 5.8 GHz5.3GHz , 5.8 GHz

Deployed/trialed by: Deployed/trialed by: Iberbanda, Spain;Iberbanda, Spain; Enertel, Holland;Enertel, Holland; Sequelle Communications Alliance, USASequelle Communications Alliance, USA


AlvarionAlvarion

3.5 GHz, 5.8 GHz, 2.5 GHz3.5 GHz, 5.8 GHz, 2.5 GHz Summerside Community Network, Summerside Community Network,

USAUSA Telekom Serbia, IsraelTelekom Serbia, Israel Axtel, MexicoAxtel, Mexico


Nex-G Nex-G

Target licensed exempt bands Target licensed exempt bands initially e.g. 5.8 GHz. Subsequently initially e.g. 5.8 GHz. Subsequently licensed bands e.g. 3.5 Ghz, 2.5 Ghzlicensed bands e.g. 3.5 Ghz, 2.5 Ghz


Redline CommunicationsRedline Communications

3.5 GHz, 5.4 GHz, 5.8 GHz3.5 GHz, 5.4 GHz, 5.8 GHz Telabria, UKTelabria, UK I-Netlink Wireless, Canada; I-Netlink Wireless, Canada; Thirteen WNET/New York, USAThirteen WNET/New York, USA


WiLANWiLAN

2.4 GHz, 3.5 GHz, 5.8GHz2.4 GHz, 3.5 GHz, 5.8GHz Marathon Oil, USAMarathon Oil, USA TM Net Sdn. Bhd, MalaysiaTM Net Sdn. Bhd, Malaysia

IEEE 802.20IEEE 802.20


802.20 (Mobile Fi)802.20 (Mobile Fi) Mobile Broadband Wireless Access (MBWA)Mobile Broadband Wireless Access (MBWA) Below 3.5 GHz bandsBelow 3.5 GHz bands Optimized for IP-data transportOptimized for IP-data transport Peak data rates per user in excess of 1 MbpsPeak data rates per user in excess of 1 Mbps supports various vehicular mobility classes supports various vehicular mobility classes

up to 250 Km/h up to 250 Km/h Range up to 20 KmRange up to 20 Km Extremely low latency at 20 milliseconds or Extremely low latency at 20 milliseconds or

less less


802.20 (Mobile Fi)802.20 (Mobile Fi)

The 802.20 interface seeks to boost real-The 802.20 interface seeks to boost real-time data transmission rates in wireless time data transmission rates in wireless metropolitan area networks to speeds that metropolitan area networks to speeds that rival DSL and cable connectionsrival DSL and cable connections

Cell sizes to commensurate with ubiquitous Cell sizes to commensurate with ubiquitous metropolitan metropolitan

Targets spectral efficiencies, sustained user Targets spectral efficiencies, sustained user data rates data rates

Numbers of active users significantly higher Numbers of active users significantly higher than achieved by existing mobile systemsthan achieved by existing mobile systems


802.20 (Mobile Fi)802.20 (Mobile Fi) Efficient packet-based air interface with Efficient packet-based air interface with

high-speed downlink and uplink high-speed downlink and uplink capabilitiescapabilities

It will enable telephony using Voice over It will enable telephony using Voice over Internet Protocol (VoIP) and activities Internet Protocol (VoIP) and activities needing rapid network response times, needing rapid network response times, such as online gaming and financial such as online gaming and financial transactionstransactions

The standard also will support other IP-The standard also will support other IP-centric applications, so the many native IP centric applications, so the many native IP applications can be used without alteration.applications can be used without alteration.


Spectral EfficienciesSpectral Efficiencies


Design CriteriaDesign Criteria Broad Market PotentialBroad Market Potential

Broad sets of applicability.Broad sets of applicability. Multiple vendors and numerous users.Multiple vendors and numerous users. Balanced costsBalanced costs

CompatibilityCompatibility Conformance with 802 Overview and Conformance with 802 Overview and

ArchitectureArchitecture Conformance with 802.1D (MAC Bridges) and Conformance with 802.1D (MAC Bridges) and

802.1F (VLAN Bridges)802.1F (VLAN Bridges) Conformance with 802.1F and compatible Conformance with 802.1F and compatible

managed object definitionsmanaged object definitions Identification of any variance in conformanceIdentification of any variance in conformance

Coexistence.Coexistence.


Design CriteriaDesign Criteria Distinct IdentityDistinct 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 Easy for the document reader to select the relevant

specification.specification. Technical FeasibilityTechnical Feasibility

Demonstrated system feasibility.Demonstrated system feasibility. Proven technology, reasonable testing.Proven technology, reasonable testing. Confidence in reliability.Confidence in reliability.

Economic FeasibilityEconomic Feasibility Known cost factors, reliable data.Known cost factors, reliable data. Reasonable cost for performance.Reasonable cost for performance. Consideration of installation costsConsideration of installation costs


802.20 vs. 802.16e802.20 vs. 802.16e 802.16e - 2 to 6 GHz licensed bands, while 802.20 below 802.16e - 2 to 6 GHz licensed bands, while 802.20 below

3.5GHz. 3.5GHz. 802.16e - based on an existing standard (802.16a), while 802.16e - based on an existing standard (802.16a), while

802.20 is starting from scratch. 802.20 is starting from scratch. 802.16e – approved by IEEE February 2006, while 802.16e – approved by IEEE February 2006, while

802.20 is under development.802.20 is under development. 802.16e - 120 to 150 kilometers per hour , while 802.20 802.16e - 120 to 150 kilometers per hour , while 802.20

up to 250 kilometers per hour up to 250 kilometers per hour 802.16e - mobile user walking around with a PDA or 802.16e - mobile user walking around with a PDA or

laptop, while 802.20 will address high-speed mobility laptop, while 802.20 will address high-speed mobility issuesissues

80216e – deployment in their existing [.16a] footprint, 80216e – deployment in their existing [.16a] footprint, while 802.20 is looking at more ubiquitous coverage. while 802.20 is looking at more ubiquitous coverage.

Fate of both standards rests with 802.16 - if there's Fate of both standards rests with 802.16 - if there's success in the 802.16 market, it will portend good things success in the 802.16 market, it will portend good things for the 802.20for the 802.20

MBWA MBWA DeploymentDeployment


ArrayCommArrayComm SystemSystem

iBurstiBurst Access SchemeAccess Scheme

TDMA/FDMA/SDMATDMA/FDMA/SDMA SpectrumSpectrum

5 or 10 MHz TDD5 or 10 MHz TDD Per User Throughout Per User Throughout

(DL/UL)(DL/UL) 1 Mbps/345 kbps1 Mbps/345 kbps (5 (5

MHz bandwidth)MHz bandwidth)

Available Customer Available Customer DevicesDevices PCMCIA,PCMCIA, Standalone EthernetStandalone Ethernet USB modemUSB modem

MobilityMobility < 80 kmph< 80 kmph

Standard affiliationStandard affiliation 802.20 802.20

CommercializationCommercialization PBA, Australia; WBS, PBA, Australia; WBS,

South Africa,8 ongoing South Africa,8 ongoing trialstrials


FlarionFlarion SystemSystem

RadioRouterRadioRouter Access SchemeAccess Scheme

Flash OFDM, Flash-OFDM Flash OFDM, Flash-OFDM FlexbandFlexband

SpectrumSpectrum 2x 1.25 MHz FDD, 2x 1.25 MHz FDD, 2 x 5Mhz FDD (three 2 x 5Mhz FDD (three

1.25Mhz carriers), 1.25Mhz carriers), 2 x 5Mhz FDD (one 5Mhz 2 x 5Mhz FDD (one 5Mhz

carrier) carrier) Per User Throughout Per User Throughout

(DL/UL)(DL/UL) 1.5Mbps/500kbps, 1.5Mbps/500kbps,

2.5Mbps/900kbps,2.5Mbps/900kbps, 6.0Mbps/2.5Mbps6.0Mbps/2.5Mbps

Available Customer Available Customer DevicesDevices PCMCIAPCMCIA Desktop modemDesktop modem ChipsetChipset WiFi/FOFDM APWiFi/FOFDM AP


Standard affiliationStandard affiliation 802.20802.20

CommercializationCommercialization Nextel, North Carolina, Nextel, North Carolina,

US; CellularOne, Texas, US; CellularOne, Texas, US; Vodafone, Japan; US; Vodafone, Japan; Telstra, Australia; T-Telstra, Australia; T-Mobile, Netherlands; Mobile, Netherlands; OCTO (Public Safety), OCTO (Public Safety), Washington DC, US. Washington DC, US.


IPWirlessIPWirless SystemSystem

IPWirelessIPWireless Access SchemeAccess Scheme

UMTS TD-CDMAUMTS TD-CDMA SpectrumSpectrum

5 or 10 MHz TDD5 or 10 MHz TDD 2x 5 MHz FDD2x 5 MHz FDD 2x 10MHz FDD2x 10MHz FDD

Per User Throughout (DL/UL)Per User Throughout (DL/UL)

1.5 Mbps/512 kbps (5 MHz 1.5 Mbps/512 kbps (5 MHz bandwidth)bandwidth)

Available Customer DevicesAvailable Customer Devices PCMCIAPCMCIA Standalone EthernetStandalone Ethernet USB modem USB modem ChipsetChipset IPWireless/WiFi gatewayIPWireless/WiFi gateway VoIP Integrated Access Device VoIP Integrated Access Device


Standardisation affiliationStandardisation affiliation 3GPP UMTS TDD3GPP UMTS TDD

CommercialisationCommercialisation Woosh Wireless, NZ; Woosh Wireless, NZ; UK Broadband (PCCW);UK Broadband (PCCW); Maxis, Malaysia; Sentech, Maxis, Malaysia; Sentech,

South Africa; AirData, GermanySouth Africa; AirData, Germany 15 ongoing trials:15 ongoing trials:


SamsungSamsung

SystemSystem WIMAX/WibroWIMAX/Wibro

Access SchemeAccess Scheme OFDMAOFDMA

SpectrumSpectrum 10 MHz TDD10 MHz TDD

Per User Per User Throughout Throughout (DL/UL)(DL/UL) 3 Mbps/1 Mbps3 Mbps/1 Mbps

Available Available Customer DeviceCustomer Device PCMCIAPCMCIA


Standard affiliationStandard affiliation

WIMAX 802.16eWIMAX 802.16e CommercializationCommercialization

None yet. None yet.


NaviniNavini SystemSystem

RipwaveRipwave Access SchemeAccess Scheme

MC-SCDMAMC-SCDMA SpectrumSpectrum

5 MHz TDD5 MHz TDD Per User Throughout Per User Throughout

(DL/UL)(DL/UL) 2.0 Mbps/1.0 Mbps (max.) 2.0 Mbps/1.0 Mbps (max.)

for standalone and for standalone and outdoor modem.outdoor modem.

1.0 Mbps/.5 Mbps (max.) 1.0 Mbps/.5 Mbps (max.) for PCMCIAfor PCMCIA

Available Customer DevicesAvailable Customer Devices PCMCIAPCMCIA Standalone Ethernet/USB Standalone Ethernet/USB

modemmodem Outdoor ModemOutdoor Modem

MobilityMobility Limited low speed mobility Limited low speed mobility

until WIMAX 802.16euntil WIMAX 802.16e Standard affiliationStandard affiliation

802.20802.20 802.16e802.16e

CommercializationCommercialization IBAX, Italy; IBAX, Italy; Unwired, Australia; Unwired, Australia; 11 ongoing trials. 11 ongoing trials.


ReferencesReferences

http://grouper.ieee.org/groups/http://grouper.ieee.org/groups/802/20/802/20/

http://www.iad.gov.pkhttp://www.iad.gov.pk IEEE 802.16 specsIEEE 802.16 specs

QuestionsQuestions

Date post:	21-Dec-2015
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Mobile Broadband Wireless Access Dr. Muid Mufti 20 December 2006.

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