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 Framework for Delivering IPTV Services over   Satellite  Networks
Framework for Delivering IPTV Services over 
Satellite Networks 
BBYY 
AAJJAALL..AA..JJ 
AASSSSIISSTTAANNTT PPRROOFFEESSSSOORR 
DDEEPPAARRTTMMEENNTT OOFF EELLEECCTTRROONNIICCSS AANNDD CCOOMMMMUUNNIICCAATTIIOONN 
MMEETTSS SSCCHHOOOOLL OOFF EENNGGIINNEEEERRIINNGG,,MMAALLAA
Radio Communication Band 
13 NOVEMBER 2009
4 
SATELLITES
Satellite Communication 
WOW ! 
13 NOVEMBER 2009
The Wireless Environment 
Services: 
Communication, 
Plug & play, 
Voice chat, 
Remote surgery, 
See What I See… 
Demands: Quality, Coverage, Security, Cost… 
Networks 
PST 
N 
MSC 
IP 
Research and Development areas: 
Interoperability, MIMO, 
Low Cost Infrastructure, Antennas… 
USER 
Wireless 
Technology 
TESTING 
August 20, 2014 6
1 Billion $USD 220 Million $USD 
Broadband Pipeline Mobile Applications and WiMAX/WLAN-Cellular Dual Network 
•Gov. Service 
•Surveillance 
•M-Traffic Service 
•M-Medicare 
M-India: WiMAX Blueprint 
Broadband 
Pipeline 
FTTH/Cable 
Backbone 
WLAN/WiMAX 
(Wireless 
Broadband ) 
Dual Network 
Cellular 
( GSM/GPRS/3 
G/PHS) 
E- service 
E- learning 
E-life 
Access 
Network 
AP 
•Campus Safety 
•Distant Learning 
•IPTV 
•VoIP 
•Video 
Phone 
•Homecare 
M -Service 
M -Learning M - Life 
AP 
AP 
08/20/14 7
IEEE 802 Working Groups 
kmpok 
8 
• gh 
Active working groups Inactive or disbanded working groups 
802.1 Higher Layer LAN Protocols Working 
Group 
802.3 Ethernet Working Group 
802.11 Wireless LAN Working Group 
802.15 Wireless Personal Area Network 
(WPAN) Working Group 
802.16 Broadband Wireless 
Access Working Group 
802.17 Resilient Packet Ring Working Group 
802.18 Radio Regulatory TAG 
802.19 Coexistence TAG 
802.20 Mobile Broadband Wireless Access 
(MBWA) Working Group 
802.21 Media Independent Handoff Working 
Group 
802.22 Wireless Regional Area Networks 
802.2 Logical Link Control Working 
Group 
802.4 Token Bus Working Group 
802.5 Token Ring Working Group 
802.7 Broadband Area Network Working 
Group 
802.8 Fiber Optic TAG 
802.9 Integrated Service LAN Working 
Group 
802.10 Security Working Group 
802.12 Demand Priority Working Group 
802.14 Cable Modem Working Group 
13 NOVEMBER 2009
9 
WWiiddee AArreeaa 
NNeettwwoorrkk 
Broadband Wireless Technologies 
MMeettrrooppoolliittaann 
AArreeaa NNeettwwoorrkk 
LLooccaall AArreeaa 
NNeettwwoorrkk 
PPeerrssoonnaall AArreeaa 
NNeettwwoorrkk 
WWAANN 
LLTTEE 
MMAANN 
WWIIMMAAXX 
LLAANN 
WWii--FFii 
PPAANN 
BBLLUUEETTOOOOTTHH 
13 NOVEMBER 2009
10 
High capacity fiber, leased line or 
G.HSDSL bandwidth supplied 
WI-Fi installs gigabit capacity wired 
LAN backbone throughout the 
property 
Access Points mounted throughout 
property 
APs transmit and receive wi-fi signals 
allowing for connections to the internet 
anywhere in the building. 
13 NOVEMBER 2009
11 
MOBILE WiMAX Momentum is 
Building ! 
13 NOVEMBER 2009
WiMAX’s Path to future Broadband Mobility 
802.16-2004 Backhaul 
T I M E 
802.16-2004 Backhaul 
Satellite Network 
Telephone Network 
Internet 
IP Based Access Network 
Wi-Fi 
Base Station 
Pedestrian Speeds, 11Mbps, 
Lightweight, Limited Coverage 
802.16-2004 
Base Station 
Vehicular Speeds, 20 Mbps, Power 
Source, Heavy, Limited Coverage, 
Specialized Applications 
802.16-2004 Backhaul 
802.16d/e 
Base Station 
Vehicular Speeds, 20 Mbps, 
Lightweight, Full Coverage 
13 NOVEMBER 2009
How Does Wideband Data 
Compared? 
Time to Download a DVD-Quality 
Copy of Batman 
Several days 
EDGE 
Day 
WCDMA 
Morning 
EVDO 
Minutes 
WiMAX 
1 Week 
GPRS 
13 NOVEMBER 2009
14
IPTV Components 
Home Network 
Access Network (AN) 
IP based Core Network (IPCN) 
Video Head End (VHE) 
Satellite Link
IPTV and Beyond … IPTV is just one 
Service 
Potential Multi-Play Services 
Home 
Surveillance 
Secure 
Internet 
The Triple Play 
Music 
Download 
Video 
Conferencing/Telephony 
PC-based Streaming Video 
Broadband IM 
(PC or STB) 
Console 
Gaming 
Video 
Download 
Turbo button 
internet 
Bandwidth Consumption 
Latency/Loss Sensitivity 
Voice 
Video 
Game 
Download 
Internet 
 Red = “Triple Play” 
 Blue = Service differentiator and opportunities for incremental revenue 
 Choose an architecture that allows rapid intro of any of these services ! 
13 NOVEMBER 2009 
Copyright © 2006 Juniper Networks, Inc. Proprietary and Confidential www.juniper.net 16
COMPARISON WITH TV & IPTV 
Current TV 
IPTV 
Copyright © 2006 Juniper Networks, Inc. Proprietary and Confidential www.juniper.net 17
18 
IPTV: See what buddies are watching 
My buddy list shows who 
is watching TV… 
13 NOVEMBER 2009
19 
IPTV: Send and receive program 
recommendations 
… so I can send a 
recommendation if I’m 
watching an interesting 
program… 
… and see when 
my buddy accepts 
the 
recommendation!
IPTV: Record and play content for and from 
buddies 
Store my recorded or 
personal content… 
… and share it 
with my budddies! 
August 20, 2014 20
21 
IPTV: … and many more services! 
Receive 
recommendations even 
if I am offline… …get recommendations 
from my Sport Buddy. 
…schedule a 
movie with my 
buddies using 
the Program 
Guide…
MMuullttiippllee AAcccceessss uussiinngg SSaatteelllliittee lliinnkk 
22 
22 
Base Station 
(BS) 
DownLink 
UpLink 
SATELLITE 
13 NOVEMBER 2009
23 
OOFFDDMM vvss OOFFDDMMAA 
13 NOVEMBER 2009
24 
OOFFDDMM vvss OOFFDDMMAA 
13 NOVEMBER 2009
25 
FADING EFFECTS 
hello 
distance 
13 NOVEMBER 2009
Copyright © 2006 Juniper Networks, Inc. Proprietary and Confidential www.juniper.net 26
27 
Design Flow 
Define Requirements 
C coding 
Verilog Coding 
Synthesis 
Place & Route 
Verify Logic 
Verify Logic 
Configuration 
Verify Logic 
FPGA Chip 
Verify Logic 
Define requirements: specify 
functionality of device. E.g: I/O and 
performance requirements 
C coding: Source code of a 
program that implements a Finite field 
divider. 
Verilog coding entry: functional 
description of architectures. Include 
combinational logic design and RTL 
(Register Transfer Level) coding. 
Synthesis: generates a netlist 
from the Verilog code. Netlist is a 
low level abstraction of the code. 
Place and Route: determines 
the placement of each cell and 
connections between cells in the 
chip. 
Configuration: a process in which 
the circuit design (bitstream file) is 
downloaded into the FPGA.
System Architecture 2008 28
29 
Success Story @ Work – Madras 
Pharma 
T.Nagar 
Sholinganallur 
• Point to Point and Point to Multi Point 
• Backhaul spanning to 12kms from T.Nagar (H.O) to 
Sholinganallur (Factory) 
13 NOVEMBER 2009
Success Story @ Work – Residency Group 
30 
Hotels 
-Enable Point – to – Point Connectivity ( 1KM ) 
- Centralized accounting and reservation system 
- Hotspot Zones for wireless internet access 
13 NOVEMBER 2009
31 
Success Story @ Work – GRT 
Thangamaligai 
• Point – to – Point Connectivity ( 600 meters ) 
• Enabling centralized billing and accounting systems 
Annexe Main Building 
Usman Road 
13 NOVEMBER 2009
Performance of Ford’s Hydrogen Powered 
Shuttle Bus Fleet 
The Front End / Back End Split 
Sources System 
Data Fuel Engine …… 
Presentation 
Live Status 
and 
Reports 
Alerts 
Post Processing 
and Analysis 
Backend (BE) 
Frontend (FE) 
Cellula 
r / 
Satellit 
e 
Cellula 
r / 
Satellit 
e 
WWiMiMAAXX 
InInteterrnneett 
Front End 
+ Cheap, continuous, logging 
+ Excellent scalability 
+ Low overhead 
- Poor ‘world’ view 
- Complex admin and updates 
- Little storage or history 
Back End 
+ Lots of processing resource 
+ Correlation amongst multiple vehicles 
- Limited scalability 
- High communication overhead 
- Poor real-time characteristics 
TELCORDIA PROPRIETARY - INTERNAL USE ONLY See proprietary restrictions on title page. 32
33 
7 OSI LAYER STACK 
Application 
Presentation 
Session 
Transport 
Network 
Data Link 
(MAC) 
Physical 
13 NOVEMBER 2009
08/20/14 
Work Proposal
IEEE 802.16 protocol layering 
ATM 
ATM 
transport 
transport 
IP 
IP 
transport 
transport 
Service Specific Convergence 
Service Specific Convergence 
Sublayer (CS) 
Sublayer (CS) 
MAC Common Part Sublayer 
MAC Common Part Sublayer 
((MAC MAC CPS) 
CPS) 
PPrrivivaaccyy ssuubblalayyeerr 
PPhhyyssicicaal l LLaayyeerr ((PPHHYY)) 
MAC 
CS adapts higher layer 
protocols to MAC CPS. 
CS maps data (ATM cells 
or IP packets) to a 
certain unidirectional 
connection identified by 
the Connection Identifier 
(CID) and associated 
with a certain QoS. 
May also offer payload 
header suppression. 
13 NOVEMBER 2009
IEEE 802.16 protocol layering 
ATM 
ATM 
transport 
transport 
IP 
IP 
transport 
transport 
Service Specific Convergence 
Service Specific Convergence 
Sublayer (CS) 
Sublayer (CS) 
MAC Common Part Sublayer 
MAC Common Part Sublayer 
((MAC MAC CPS) 
CPS) 
PPrrivivaaccyy ssuubblalayyeerr 
PPhhyyssicicaal l LLaayyeerr ((PPHHYY)) 
MAC 
MAC CPS provides the 
core MAC functionality: 
• System access 
• Bandwidth allocation 
• Connection control 
Note: QoS control is 
applied dynamically to 
every connection 
individually. 
13 NOVEMBER 2009
IEEE 802.16 protocol layering 
ATM 
ATM 
transport 
transport 
IP 
IP 
transport 
transport 
Service Specific Convergence 
Service Specific Convergence 
Sublayer (CS) 
Sublayer (CS) 
MAC Common Part Sublayer 
MAC Common Part Sublayer 
((MAC MAC CPS) 
CPS) 
PPrrivivaaccyy ssuubblalayyeerr 
PPhhyyssicicaal l LLaayyeerr ((PPHHYY)) 
MAC 
The privacy sublayer 
provides authentication, 
key management and 
encryption. 
13 NOVEMBER 2009
IEEE 802.16 protocol layering 
ATM 
ATM 
transport 
transport 
IP 
IP 
transport 
transport 
Service Specific Convergence 
Service Specific Convergence 
Sublayer (CS) 
Sublayer (CS) 
MAC Common Part Sublayer 
MAC Common Part Sublayer 
((MAC MAC CPS) 
CPS) 
PPrrivivaaccyy ssuubblalayyeerr 
PPhhyyssicicaal l LLaayyeerr ((PPHHYY)) 
MAC 
IEEE 802.16 offers three 
PHY options for the 2-11 
GHz band: 
• WirelessMAN-SCa 
• WirelessMAN-OFDM 
• WirelessMAN-OFDMA 
13 NOVEMBER 2009
Key Capabilities of 802.16d & 802.16e 
39 
Convergence Sub Layer 
IP Ethernet ATM Classifiers PHS 
MAC Layer 
Network 
Entry PDU Gen PDU 
Reassembly 
Connection 
Mgmt BW Mgmt 
ARQ 
Privacy & Key Mgmt 
(EAP, AES, 
Multicast Security) 
PHY Burst 
Scheduling Handoffs 
Power Mgmt 
(Sleep & Idle 
Modes) 
PHY Layers 
Single Carrier 
(10 – 66GHz & 
< 11 GHZ) 
OFDM-256 FFT 
(<11GHz)(AAS) 
OFDMA (<11 GHz) 
2048 FFT mode, subchannelization 
Schemes, H-ARQ, AAS, MIMO, STC 
1024, 512, 128 FFT modes and symbol 
Structures (S-OFDMA) 
802.16d 802.16e 
13 NOVEMBER 2009
Additional Factors to consider 
40 
Security 
Coverage 
Power 
Performance 
Security of wireless media has always been questionable. 
WiMax has been proved to suffer from weak security. 
Success Since BWA any products solution transmit will depend at higher on support power, Non they 
Line 
of represent sight operation. 
a drain on the battery. 
Multimedia has stringent expectations from the 
underlying network.High bandwidth alone cannot satisfy 
all multimedia requirements. 
13 NOVEMBER 2009
Scans downlink channel 
Obtain parameters 
Wait in the same state 
Initial ranging 
41 
Basic capabilities exchange 
Authentication 
Registration 
IP connectivity 
Create connection 
synchronized 
Not synchronized 
Initial Ranging slot identified 
success 
failed 
failed 
success 
success 
success 
failed 
failed 
Data transfer 
success 
success 
failed 
SS states-network entry
“ WIMAX ” What are the risks? 
42 
Disadvantages of WiMAX 
 Line-of-sight (LOS) is required for long distance (5-30 
mile) connections 
 Certain conditions —terrain, weather and large 
buildings—can act to reduce the maximum range 
 Other wireless electronics can interfere with the 
WiMAX connection & cause a reduction in data 
throughput 
 licensed airwave frequencies are limited availability. 
Unlicensed airwaves are free but all can use them— 
difficult to control service quality as other users of the 
same band could cause interference 
13 NOVEMBER 2009
43 
CCOONNCCLLUUSSIIOONN 
IIPPTTVV HHAASS AAPPPPEERREEDD AASS 
AA SSOOLLUUTTIIOONN TTOO 
““UUBBIIQQUUIITTOOUUSS TTVV 
AACCCCEESSSS”” 
13 NOVEMBER 2009
44 
RREEFFEERREENNCCEESS 
 DDeenniiss GGaallllaanntt –– ““OOppttiiccaall NNeettwwoorrkk FFoouunnddaattiioonn ffoorr TTrriippllee PPllaayy SSeerrvviicceess RRoollll-- 
oouutt””,, OOFFCC//NNFFOOEECC DDiiggeesstt,, 22000066 
 MMaarrkk AAbbrraammss aanndd AArriieell MMaaiissllooss –– ““IInnssiigghhttss oonn DDeelliivveerriinngg aann IIPP TTrriipplleePPllaayy oovveerr 
GGEE-- PPOONN aanndd GGPPOONN ””,, OOFFCC//NNFFOOEECC DDiiggeesstt,, 22000066 iibbuuttiioonn hhaass bbeeeenn ppaarrttllyy 
ssuuppppoorrtteedd bbyy SSeenntteerrNNoovveemm,, aann aaggeennccyy ooff tthhee DDuuttcchh MMiinniissttrryy 
 ””AApppplliiccaattiioonn UUssaaggee SScceennaarriiooss UUssiinngg WWiiMMAAXX TTeecchhnnoollooggyy””,, DDeecceemmbbeerr 22000055,, 
PPrreeppaarreedd bbyy AApppplliiccaattiioonn WWoorrkkiinngg GGrroouupp WWiiMMAAXX FFoorruumm 
VHDL & RTL Books 
Lionel Bening and Harry Foster, Principles of Verifiable RTL 
Design, A Functional Coding Style Supporting Verification 
Processes in Verilog, Kluwer Academic Publishers 
J. Bhasker, Verilog VHDL Synthesis, A Practical Primer, Star 
Galaxy Publishing, Lucent Technologies 1998 
13 NOVEMBER 2009
45 
Thank You 
for 
Your Attention 
To Err is Human, 
To Forgive is Divine
46

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Framework for Delivering IPTV Services over Satellite Networks

  • 2. Framework for Delivering IPTV Services over Satellite Networks BBYY AAJJAALL..AA..JJ AASSSSIISSTTAANNTT PPRROOFFEESSSSOORR DDEEPPAARRTTMMEENNTT OOFF EELLEECCTTRROONNIICCSS AANNDD CCOOMMMMUUNNIICCAATTIIOONN MMEETTSS SSCCHHOOOOLL OOFF EENNGGIINNEEEERRIINNGG,,MMAALLAA
  • 3. Radio Communication Band 13 NOVEMBER 2009
  • 5. Satellite Communication WOW ! 13 NOVEMBER 2009
  • 6. The Wireless Environment Services: Communication, Plug & play, Voice chat, Remote surgery, See What I See… Demands: Quality, Coverage, Security, Cost… Networks PST N MSC IP Research and Development areas: Interoperability, MIMO, Low Cost Infrastructure, Antennas… USER Wireless Technology TESTING August 20, 2014 6
  • 7. 1 Billion $USD 220 Million $USD Broadband Pipeline Mobile Applications and WiMAX/WLAN-Cellular Dual Network •Gov. Service •Surveillance •M-Traffic Service •M-Medicare M-India: WiMAX Blueprint Broadband Pipeline FTTH/Cable Backbone WLAN/WiMAX (Wireless Broadband ) Dual Network Cellular ( GSM/GPRS/3 G/PHS) E- service E- learning E-life Access Network AP •Campus Safety •Distant Learning •IPTV •VoIP •Video Phone •Homecare M -Service M -Learning M - Life AP AP 08/20/14 7
  • 8. IEEE 802 Working Groups kmpok 8 • gh Active working groups Inactive or disbanded working groups 802.1 Higher Layer LAN Protocols Working Group 802.3 Ethernet Working Group 802.11 Wireless LAN Working Group 802.15 Wireless Personal Area Network (WPAN) Working Group 802.16 Broadband Wireless Access Working Group 802.17 Resilient Packet Ring Working Group 802.18 Radio Regulatory TAG 802.19 Coexistence TAG 802.20 Mobile Broadband Wireless Access (MBWA) Working Group 802.21 Media Independent Handoff Working Group 802.22 Wireless Regional Area Networks 802.2 Logical Link Control Working Group 802.4 Token Bus Working Group 802.5 Token Ring Working Group 802.7 Broadband Area Network Working Group 802.8 Fiber Optic TAG 802.9 Integrated Service LAN Working Group 802.10 Security Working Group 802.12 Demand Priority Working Group 802.14 Cable Modem Working Group 13 NOVEMBER 2009
  • 9. 9 WWiiddee AArreeaa NNeettwwoorrkk Broadband Wireless Technologies MMeettrrooppoolliittaann AArreeaa NNeettwwoorrkk LLooccaall AArreeaa NNeettwwoorrkk PPeerrssoonnaall AArreeaa NNeettwwoorrkk WWAANN LLTTEE MMAANN WWIIMMAAXX LLAANN WWii--FFii PPAANN BBLLUUEETTOOOOTTHH 13 NOVEMBER 2009
  • 10. 10 High capacity fiber, leased line or G.HSDSL bandwidth supplied WI-Fi installs gigabit capacity wired LAN backbone throughout the property Access Points mounted throughout property APs transmit and receive wi-fi signals allowing for connections to the internet anywhere in the building. 13 NOVEMBER 2009
  • 11. 11 MOBILE WiMAX Momentum is Building ! 13 NOVEMBER 2009
  • 12. WiMAX’s Path to future Broadband Mobility 802.16-2004 Backhaul T I M E 802.16-2004 Backhaul Satellite Network Telephone Network Internet IP Based Access Network Wi-Fi Base Station Pedestrian Speeds, 11Mbps, Lightweight, Limited Coverage 802.16-2004 Base Station Vehicular Speeds, 20 Mbps, Power Source, Heavy, Limited Coverage, Specialized Applications 802.16-2004 Backhaul 802.16d/e Base Station Vehicular Speeds, 20 Mbps, Lightweight, Full Coverage 13 NOVEMBER 2009
  • 13. How Does Wideband Data Compared? Time to Download a DVD-Quality Copy of Batman Several days EDGE Day WCDMA Morning EVDO Minutes WiMAX 1 Week GPRS 13 NOVEMBER 2009
  • 14. 14
  • 15. IPTV Components Home Network Access Network (AN) IP based Core Network (IPCN) Video Head End (VHE) Satellite Link
  • 16. IPTV and Beyond … IPTV is just one Service Potential Multi-Play Services Home Surveillance Secure Internet The Triple Play Music Download Video Conferencing/Telephony PC-based Streaming Video Broadband IM (PC or STB) Console Gaming Video Download Turbo button internet Bandwidth Consumption Latency/Loss Sensitivity Voice Video Game Download Internet  Red = “Triple Play”  Blue = Service differentiator and opportunities for incremental revenue  Choose an architecture that allows rapid intro of any of these services ! 13 NOVEMBER 2009 Copyright © 2006 Juniper Networks, Inc. Proprietary and Confidential www.juniper.net 16
  • 17. COMPARISON WITH TV & IPTV Current TV IPTV Copyright © 2006 Juniper Networks, Inc. Proprietary and Confidential www.juniper.net 17
  • 18. 18 IPTV: See what buddies are watching My buddy list shows who is watching TV… 13 NOVEMBER 2009
  • 19. 19 IPTV: Send and receive program recommendations … so I can send a recommendation if I’m watching an interesting program… … and see when my buddy accepts the recommendation!
  • 20. IPTV: Record and play content for and from buddies Store my recorded or personal content… … and share it with my budddies! August 20, 2014 20
  • 21. 21 IPTV: … and many more services! Receive recommendations even if I am offline… …get recommendations from my Sport Buddy. …schedule a movie with my buddies using the Program Guide…
  • 22. MMuullttiippllee AAcccceessss uussiinngg SSaatteelllliittee lliinnkk 22 22 Base Station (BS) DownLink UpLink SATELLITE 13 NOVEMBER 2009
  • 23. 23 OOFFDDMM vvss OOFFDDMMAA 13 NOVEMBER 2009
  • 24. 24 OOFFDDMM vvss OOFFDDMMAA 13 NOVEMBER 2009
  • 25. 25 FADING EFFECTS hello distance 13 NOVEMBER 2009
  • 26. Copyright © 2006 Juniper Networks, Inc. Proprietary and Confidential www.juniper.net 26
  • 27. 27 Design Flow Define Requirements C coding Verilog Coding Synthesis Place & Route Verify Logic Verify Logic Configuration Verify Logic FPGA Chip Verify Logic Define requirements: specify functionality of device. E.g: I/O and performance requirements C coding: Source code of a program that implements a Finite field divider. Verilog coding entry: functional description of architectures. Include combinational logic design and RTL (Register Transfer Level) coding. Synthesis: generates a netlist from the Verilog code. Netlist is a low level abstraction of the code. Place and Route: determines the placement of each cell and connections between cells in the chip. Configuration: a process in which the circuit design (bitstream file) is downloaded into the FPGA.
  • 29. 29 Success Story @ Work – Madras Pharma T.Nagar Sholinganallur • Point to Point and Point to Multi Point • Backhaul spanning to 12kms from T.Nagar (H.O) to Sholinganallur (Factory) 13 NOVEMBER 2009
  • 30. Success Story @ Work – Residency Group 30 Hotels -Enable Point – to – Point Connectivity ( 1KM ) - Centralized accounting and reservation system - Hotspot Zones for wireless internet access 13 NOVEMBER 2009
  • 31. 31 Success Story @ Work – GRT Thangamaligai • Point – to – Point Connectivity ( 600 meters ) • Enabling centralized billing and accounting systems Annexe Main Building Usman Road 13 NOVEMBER 2009
  • 32. Performance of Ford’s Hydrogen Powered Shuttle Bus Fleet The Front End / Back End Split Sources System Data Fuel Engine …… Presentation Live Status and Reports Alerts Post Processing and Analysis Backend (BE) Frontend (FE) Cellula r / Satellit e Cellula r / Satellit e WWiMiMAAXX InInteterrnneett Front End + Cheap, continuous, logging + Excellent scalability + Low overhead - Poor ‘world’ view - Complex admin and updates - Little storage or history Back End + Lots of processing resource + Correlation amongst multiple vehicles - Limited scalability - High communication overhead - Poor real-time characteristics TELCORDIA PROPRIETARY - INTERNAL USE ONLY See proprietary restrictions on title page. 32
  • 33. 33 7 OSI LAYER STACK Application Presentation Session Transport Network Data Link (MAC) Physical 13 NOVEMBER 2009
  • 35. IEEE 802.16 protocol layering ATM ATM transport transport IP IP transport transport Service Specific Convergence Service Specific Convergence Sublayer (CS) Sublayer (CS) MAC Common Part Sublayer MAC Common Part Sublayer ((MAC MAC CPS) CPS) PPrrivivaaccyy ssuubblalayyeerr PPhhyyssicicaal l LLaayyeerr ((PPHHYY)) MAC CS adapts higher layer protocols to MAC CPS. CS maps data (ATM cells or IP packets) to a certain unidirectional connection identified by the Connection Identifier (CID) and associated with a certain QoS. May also offer payload header suppression. 13 NOVEMBER 2009
  • 36. IEEE 802.16 protocol layering ATM ATM transport transport IP IP transport transport Service Specific Convergence Service Specific Convergence Sublayer (CS) Sublayer (CS) MAC Common Part Sublayer MAC Common Part Sublayer ((MAC MAC CPS) CPS) PPrrivivaaccyy ssuubblalayyeerr PPhhyyssicicaal l LLaayyeerr ((PPHHYY)) MAC MAC CPS provides the core MAC functionality: • System access • Bandwidth allocation • Connection control Note: QoS control is applied dynamically to every connection individually. 13 NOVEMBER 2009
  • 37. IEEE 802.16 protocol layering ATM ATM transport transport IP IP transport transport Service Specific Convergence Service Specific Convergence Sublayer (CS) Sublayer (CS) MAC Common Part Sublayer MAC Common Part Sublayer ((MAC MAC CPS) CPS) PPrrivivaaccyy ssuubblalayyeerr PPhhyyssicicaal l LLaayyeerr ((PPHHYY)) MAC The privacy sublayer provides authentication, key management and encryption. 13 NOVEMBER 2009
  • 38. IEEE 802.16 protocol layering ATM ATM transport transport IP IP transport transport Service Specific Convergence Service Specific Convergence Sublayer (CS) Sublayer (CS) MAC Common Part Sublayer MAC Common Part Sublayer ((MAC MAC CPS) CPS) PPrrivivaaccyy ssuubblalayyeerr PPhhyyssicicaal l LLaayyeerr ((PPHHYY)) MAC IEEE 802.16 offers three PHY options for the 2-11 GHz band: • WirelessMAN-SCa • WirelessMAN-OFDM • WirelessMAN-OFDMA 13 NOVEMBER 2009
  • 39. Key Capabilities of 802.16d & 802.16e 39 Convergence Sub Layer IP Ethernet ATM Classifiers PHS MAC Layer Network Entry PDU Gen PDU Reassembly Connection Mgmt BW Mgmt ARQ Privacy & Key Mgmt (EAP, AES, Multicast Security) PHY Burst Scheduling Handoffs Power Mgmt (Sleep & Idle Modes) PHY Layers Single Carrier (10 – 66GHz & < 11 GHZ) OFDM-256 FFT (<11GHz)(AAS) OFDMA (<11 GHz) 2048 FFT mode, subchannelization Schemes, H-ARQ, AAS, MIMO, STC 1024, 512, 128 FFT modes and symbol Structures (S-OFDMA) 802.16d 802.16e 13 NOVEMBER 2009
  • 40. Additional Factors to consider 40 Security Coverage Power Performance Security of wireless media has always been questionable. WiMax has been proved to suffer from weak security. Success Since BWA any products solution transmit will depend at higher on support power, Non they Line of represent sight operation. a drain on the battery. Multimedia has stringent expectations from the underlying network.High bandwidth alone cannot satisfy all multimedia requirements. 13 NOVEMBER 2009
  • 41. Scans downlink channel Obtain parameters Wait in the same state Initial ranging 41 Basic capabilities exchange Authentication Registration IP connectivity Create connection synchronized Not synchronized Initial Ranging slot identified success failed failed success success success failed failed Data transfer success success failed SS states-network entry
  • 42. “ WIMAX ” What are the risks? 42 Disadvantages of WiMAX  Line-of-sight (LOS) is required for long distance (5-30 mile) connections  Certain conditions —terrain, weather and large buildings—can act to reduce the maximum range  Other wireless electronics can interfere with the WiMAX connection & cause a reduction in data throughput  licensed airwave frequencies are limited availability. Unlicensed airwaves are free but all can use them— difficult to control service quality as other users of the same band could cause interference 13 NOVEMBER 2009
  • 43. 43 CCOONNCCLLUUSSIIOONN IIPPTTVV HHAASS AAPPPPEERREEDD AASS AA SSOOLLUUTTIIOONN TTOO ““UUBBIIQQUUIITTOOUUSS TTVV AACCCCEESSSS”” 13 NOVEMBER 2009
  • 44. 44 RREEFFEERREENNCCEESS  DDeenniiss GGaallllaanntt –– ““OOppttiiccaall NNeettwwoorrkk FFoouunnddaattiioonn ffoorr TTrriippllee PPllaayy SSeerrvviicceess RRoollll-- oouutt””,, OOFFCC//NNFFOOEECC DDiiggeesstt,, 22000066  MMaarrkk AAbbrraammss aanndd AArriieell MMaaiissllooss –– ““IInnssiigghhttss oonn DDeelliivveerriinngg aann IIPP TTrriipplleePPllaayy oovveerr GGEE-- PPOONN aanndd GGPPOONN ””,, OOFFCC//NNFFOOEECC DDiiggeesstt,, 22000066 iibbuuttiioonn hhaass bbeeeenn ppaarrttllyy ssuuppppoorrtteedd bbyy SSeenntteerrNNoovveemm,, aann aaggeennccyy ooff tthhee DDuuttcchh MMiinniissttrryy  ””AApppplliiccaattiioonn UUssaaggee SScceennaarriiooss UUssiinngg WWiiMMAAXX TTeecchhnnoollooggyy””,, DDeecceemmbbeerr 22000055,, PPrreeppaarreedd bbyy AApppplliiccaattiioonn WWoorrkkiinngg GGrroouupp WWiiMMAAXX FFoorruumm VHDL & RTL Books Lionel Bening and Harry Foster, Principles of Verifiable RTL Design, A Functional Coding Style Supporting Verification Processes in Verilog, Kluwer Academic Publishers J. Bhasker, Verilog VHDL Synthesis, A Practical Primer, Star Galaxy Publishing, Lucent Technologies 1998 13 NOVEMBER 2009
  • 45. 45 Thank You for Your Attention To Err is Human, To Forgive is Divine
  • 46. 46

Editor's Notes

  1. What is Eap,AES, Multicast securuty Extensible Authentication Protocol Advanced Encryption Standard
  2. Each SS shall have a 48-bit universal MAC address, as defined in IEEE Std 802®-2001. This address uniquely defines the SS from within the set of all possible vendors and equipment types. It is used during the initial ranging process to establish the appropriate connections for an SS. It is also used as part of the authentication process by which the BS and SS each verify the identity of the other.