Smart ISP A Portable ISP Solution Erik Ehrlund Iplu Saha Mohammad Saqibuddin Sabiha Rahman Tanawat...
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Transcript of Smart ISP A Portable ISP Solution Erik Ehrlund Iplu Saha Mohammad Saqibuddin Sabiha Rahman Tanawat...
![Page 1: Smart ISP A Portable ISP Solution Erik Ehrlund Iplu Saha Mohammad Saqibuddin Sabiha Rahman Tanawat Tatiyavoranat.](https://reader035.fdocuments.net/reader035/viewer/2022062321/56649e295503460f94b16f59/html5/thumbnails/1.jpg)
Smart ISP A Portable ISP Solution
Erik EhrlundIplu Saha
Mohammad Saqibuddin Sabiha Rahman Tanawat Tatiyavoranat
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Smart ISP
An Overview
Presented By: Mohammad Saqibuddin
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Background
Limited resources.
No infrastructure.
No power.
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Features
Compact solution.
Upstream satellite link.
Power efficient.
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ISP in modules
M od u le 1S ate llite lin k
M od u le 2IS P services
E m ailW eb S u rfin g e tc .
M od u le 3P ow er g en era tion
IS P -in -a -b ox3 m od u les
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Smart ISP
Module 1 – Satellite Link
Presented by: Tanawat Tatiyavoranat
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Agenda
Satellite Communication Link Budget Calculation Satellite Technology in the Internet
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Link Budget Calculation
The calculation to find C/N of link The efficiency of link Tx power to use Size of satellite dish Prevent satellite equipment operate at
saturated point (HPA, Satellite)
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Satellite Technology in the Internet Single Carrier Per Channel (SCPC) Multiple Carrier Per Channel (MCPC)
– DVB-RCS– Gilat Technology– iDirect
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SCPC
High Power Amplifier (HPA)
LNA
EIRPu = Pt x GtGt
Pt
Gu / Tu
EIRPs
Gd / Td
Down Converter (D/C)Up
Converter (U/C)
RF (C-Band, Ku-Band, Ka-Band, etc)
MODEM
MODEM
LNADown
Converter (D/C)
High Power Amplifier
(HPA)
Pt
Up Converter
(U/C)
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MCPC
High Power Amplifier (HPA)
EIRPu = Pt x GtGt
Pt
Gu / Tu
EIRPs
Gd / Td
LNBUp
Converter (U/C)
RF (C-Band, Ku-Band, Ka-Band, etc)
Satellite Rx
MODEM
HPA + U/C
DVB-RCS Box
Modulator
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Tecnologies Comparison Technologies
Type of Service Normal DVB-RCS1 Gilat VSAT2 iDirect3
Maximum Bandwidth
Forward Path 10 Mbps 45 Mbps 11.5 Mbps
Return Path 4 Mbps 2 Mbps 5.75 Mbps
Coding and FEC Support
Forward Path
Viterbi , Reed-Solomon,
Reed-Solomon , Turbo Coding4 1/2 2/3 3/4 5/6 7/8 TPC5 0.793 0.66Turbo Coding
Return Path
Viterbi , Reed-Solomon,
Turbo Coding 1/2 2/3 3/4 4/5 6/7 TPC 0.793 0.66Turbo Coding
Modulation type Support
Forward Path QPSK QPSK , 8PSK QPSK
Return Path QPSK QPSK , GMSK QPSK
Access Scheme TDMA TDMA, FDMA TDMA
Protocol Accelerator Support no TCP, HTTP TCP
Link Security no no 3DES
Power Consumption (at remote site) - ~40 W ~250W
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Smart ISP
Module 2 – ISP Setup
Presented by: Iplu Saha
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Services for user
Internet Surfing Email Web Hosting
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Entertainment
Chat Voice Conference Internet Telephony
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Administrative Tool
Accounting and authentication
Bandwidth management
Traffic monitoring
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How user Get Connected?
Wireless
Ethernet
Dial-up
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Smart ISP
Module 3 – Power Generation
Presented by: Erik Ehrlund
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Module 3 - Power Consumption
Different devices consumes different amount of power.
The values below are from our test equipment– Server ~60-100W– Vsat equipment ~40-60W– Linksys wrt54gs ~6W (Wireless AP)
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Module 3 - Power Generation
Renewable power – Solar power
• 1000 W/m^2 for optimal conditions• Don't work during the night
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Module 3 - Power Generation
Diesel power– Diesel generator
• Reliable but needs a lot of maintenance• High upkeep costs• Overkill
– Usually a diesel generator is able to generate well above 2kW
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Module 3 - Power Generation
Other solutions– Hand or bicycle driven generators– Wind power– “Wave” power– And so on
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Smart ISP
Business Aspect
Presented by: Sabiha Rahman
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Business Aspect
Customer group:
1. Private users
2. Commercial users
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Commercial User
Their potential end users: Medical or Health centres Organizations (Govt, Private or NGO’s) School or Universities Households Internet café
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Survey
Purpose of web based survey Random sample of people(50-60)
- Businessmen
- Entrepreneurs
- Students(including CSD projects) Total respondents(66)
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Target market
Commercial users
from
rural areas
of Africa
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?
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• Large rural underdeveloped area
• Government support• Infrastructure• Survey• CSD projects
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Competitors
Existing ISP’s Portable device producing companies
like
Portable satellite companies (for example- Swe-dish)
Portable power generator producer (for example- IDG Europe AB. )
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SWOT Analysis
Strengths Weaknesses
People No market presence
Innovative idea Scarce resources
Flexible solution No reputation
Simple technology No customer base
Opportunities Threats
Agreement with satellite link provider Financial threats
Early market dominance Market threats
Link with power generator companies Management threats
Revolutionize ISP domain Technical threats
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Questions?