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VSAT EVOLUTION in SUDAN. Presented by: MOHAMED KHAIR AHMED Core Network Planning Dept. SUDATEL CO. LTD. ( SUDAN) DECEMBER 2003. Topics of Discussion. Sudatel company & infrastructure. First VSAT project. Second VSAT project. Third VSAT project. RIVP VSAT project. Conclusion.

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vsat evolution in sudan

VSAT EVOLUTION in SUDAN

Presented by:

MOHAMED KHAIR AHMED

Core Network Planning Dept.

SUDATEL CO. LTD. ( SUDAN)

DECEMBER 2003

SUDATEL CO. LTD.

topics of discussion
Topics of Discussion
  • Sudatel company & infrastructure.
  • First VSAT project.
  • Second VSAT project.
  • Third VSAT project.
  • RIVP VSAT project.
  • Conclusion.

SUDATEL CO. LTD.

sudatel company an overview
Sudatel Company – An Overview
  • Established in September 1993.
  • Started operation in February 1994.
  • Awarded monopoly of 15 years to provide fixed voice and data communications.
  • Current infrastructure:
    • 1.3 million telephone lines
    • 0.8 million subscribers
    • 230 digital switches
    • 35 data switches
    • 80 satellite earth stations
    • 6,000 Km of fiber optic cable
    • 333 Km of Submarine cable( with Saudi Arabia)-SEA-ME-WE
    • 45 digital microwave links

SUDATEL CO. LTD.

slide4

Satellite Communications

SUDATEL CO. LTD.

slide5

Domestic Satellite comm. Growth

Traffic (trunk) Growth in Sudosat & VSAT Networks

YEAR

Growth Rate

2001- 2002

2002

2001

2000

1999

1997

E/S

19%

782

657

656

531

ـــــــــ

Sudosat

44.1%

98

68

38

38

8

VSAT

SUDATEL CO. LTD.

slide6

VSAT PROJECT 1

  • Deployed in 1997.
  • Equipment supplier: STM Wireless Inc.(USA)
  • Network size : 9 E/Ss (Hub+8 remote terminals)
  • Network topology : Mesh
  • Satellite Network Access Scheme: SCPC/DAMA
  • Service Portfolio : Voice ( 4.8 ~ 16 Kbps)

Fax ( Group III)

Data ( 64 ~ 384 Kbps)

SUDATEL CO. LTD.

slide7

VSAT Project 1 – Network Details

  • Main Hub in Khartoum:-
      • Network Control Center (NCC)
      • Gateway to PSTN ( E1 trunks).
  • 8 Remote terminals owned by municipalities & two private companies as follows :-
      • 3 Remote terminals : Kenana Sugar Co.
      • 3 Remote terminals : GNPOC Petroleum Co.
      • 1 Remote terminal : Hamashkoreb Province
      • 1 Remote terminal : Kaboita Province
      • 1 Remote terminal : Bor Province

SUDATEL CO. LTD.

slide8

VSAT Project 1 (cont’d)

  • Leased Space segment : 9 MHz

(Arabsat 2B@ 30.5° East).

  • Allocated Bandwidth : 3 MHz
  • Service Categories:
      • Category I : one voice channel
      • Category II : one voice + one data channels
      • Category III : two voice + one data channels
      • Category IV : two voice + two data channels
      • Category V : two data channels
  • Service Topologies : Voice ( DAMA –Demand Assigned Multiple Access)

Data ( PAMA –Pre-assigned Multiple Access)

SUDATEL CO. LTD.

slide9

VSAT Project 1 – Network Details

  • Main Hub in Khartoum:-
      • Network Control Center (NCC)
      • Gateway to PSTN ( E1 trunks ).
  • 30Remote terminals owned by Sudatel and armed forces , distributed countrywide as follows :-
      • 10 Remote terminals : Ministry of Defense.
      • 20 Remote terminals :operated by Sudatel in
          • 10 Remote terminals in the Western States .
          • 3 Remote terminal in the Northern States .
          • 7 Remote terminal in the Southern &Central States

SUDATEL CO. LTD.

slide10

VSAT PROJECT 1 - Network Architecture

LEGEND

ARABSAT 2B @ 30.5° East

Main Hub

Remote Terminal

SUDATEL CO. LTD.

slide11

VSAT Project 1- Assessment

  • Pros:
      • The first prototype VSAT project in Sudan.
      • Good service provision( Voice & data).
      • It enhanced the VSAT market in Sudan.
  • Cons :
      • Inefficient accounting system (Billing problems).
      • Poor network sizing due to low expertise in VSAT technology and lack of demand at that time.
      • Slow growth in network because customers are not aware of VSAT benefits and afraid of the new technology .
      • Economic embargo imposed on Sudan has adversely affected the network operation & growth.
      • Costly equipment , as no Ku-band coverage over Sudan.

SUDATEL CO. LTD.

slide12

VSAT PROJECT 2

  • Deployed in 2000.
  • Equipment Supplier: DAEWOO Telecom (KOREA)
  • Network Size : 31 E/Ss (Hub+30 remote terminals)
  • Network Topology : Mesh + star
  • Satellite Network Access Scheme: SCPC/DAMA
  • Service Portfolio : Voice (32 Kbps) & Fax (Group III )

Data ( 19.2 Kbps asynchronous. & 64 Kbps synchronous )

SUDATEL CO. LTD.

slide13

VSAT PROJECT 2 (cont’d)

  • Leased Space segment : 9 MHz

(Arabsat 2B@ 30.5° East).

  • Allocated Bandwidth : 3 MHz
  • Service Categories:
        • Category I : two voice channels
        • Category II : two voice + one data ( 64Kbps ) channels
  • Service Topologies : Voice ( DAMA )

Data ( PAMA)

SUDATEL CO. LTD.

slide14

VSAT PROJECT 1 - Network Architecture

LEGEND

ARABSAT 2B @ 30.5° East

Main Hub

VSAT 1

Remote Terminal

VSAT 2 Remotes

SUDATEL CO. LTD.

slide15

VSAT PROJECT 2 - Assessment

  • Pros :
    • The second VSAT project in Sudan.
    • The product has an efficient accounting system (billing ).
    • Fairly good network sizing due to acquired expertise in VSAT technology and clarity of demand.
    • It greatly enhanced the VSAT market in Sudan.
  • Cons :
    • Unstable service provision( Voice & data) due to poor design.
    • The Economic embargo imposed on Sudan has adversely affected both technology & product selection as few suppliers had submitted VSAT offers for the tender.
    • Costly equipment as no Ku-band coverage over Sudan.

SUDATEL CO. LTD.

slide16

VSAT PROJECT 3

  • Project Status : Under tendering.
  • Projected Specs. : Network size ( 1000 remote terminals )
          • ( 220 remotes in Phase I)
          • ( 380 remotes in Phase II)
          • ( 200 remotes in Phase III)
          • ( 200 remotes in Phase IV)
    • Network Topology : Mesh + star
    • Network Architecture: main Hub + 4 Mini-hubs+ 1000 remotes
    • Satellite Access Schemes: TDMA/ SCPC DAMA/ DVB-RCS
    • Frequency bands : C or Ku(promises –EuroAsiaSat & Eutelsat)
  • Addressed Sectors : Businesses

Oil & gas

Rural communities

Governmental institutions

Mobile operators

SUDATEL CO. LTD.

slide17

VSAT PROJECT 3 - Services

  • Service Categories:
      • Category I : one voice + one data ( 64 Kbps ) channels
      • Category II : two voice + one data ( 64 Kbps ) channels
      • Category III : three voice + one data ( 64 Kbps ) channels
      • Category IV : three voice + one data ( 128 Kbps ) channels
      • Category V : one voice + one data ( 2048 Kbps) channels
  • Service Portfolio : Voice & Fax (Group III )

Data ( 64 ~2048 Kbps)

Tele-education

Tele-medicine

POI for mobile operators

SUDATEL CO. LTD.

slide18

VSAT Project 3 – Network plan

Satellite

Zone 1

Zone 2

Zone 3

Fibre Optic Cable

Zone 4

Zone 5

SUDATEL CO. LTD.

slide20

Universal Access Program for Africa (UAP)ITU & INTELSAT

Sudan Candidate Project

Remote Isolated Villages Project (RIVP)

Sudan Telecom Company Ltd. (Sudatel)

By: Eng. Ibrahim Eisa El-Baigawi

December 2002

SUDATEL CO. LTD.

slide21

RIVP - Introduction

  • On Oct. 1999 an MOU signed between ITU & INTELSAT to support Universal Access ( UAP) program in remote isolated areas.
  • Sudan candidate project ( Remote Isolated Villages Project - RIVP ) created & selected by ITU &INTELSAT in March 2001 within other five African projects.

SUDATEL CO. LTD.

slide22

Basic Concepts of UAP

  • Establish cost-effective telecom solutions for remote isolated areas using Intelsat space capacity for VSAT and WLL technologies.
  • African countries propose their projects.
  • Intelsat conducts business-case, system design, & bankable documents.
  • ITU help & liaise in attracting finance by using bankable document of Intelsat .
  • Intelsat launches RFP and support technically.

SUDATEL CO. LTD.

slide23

RIVP Project history

  • Techno- economical feasibility study was prepared by ITU/ INTELSAT in August 2001 and accepted by Sudatel .
  • A meeting of details between INTELSAT, ITU & SUDATEL supposed to take place in Washington D.C. by the end of 2001 but the 11th September accident blocked the visa granting to USA.
  • A Tripartite meeting between INTELSAT, ITU & SUDATEL was successfully held in Montreal, Canada in October 7-11, 2002.It finalized the RFP and prepared an action plan.

SUDATEL CO. LTD.

slide24

Meeting of Montreal

  • Meeting between INTELSAT, ITU & SUDATEL took place in Montreal(Canada) in Oct ,2002 to address :
      • Design of the final concept of Sudatel’s satellite network and definition of equipment requirements.
      • Schedule of implementation.
      • Cooperation and assistance requested by Sudatel from INTELSAT & ITU.
      • Financing of the project implementation.

SUDATEL CO. LTD.

slide25

RIVP Project Importance:

  • Rural Tele-density: Only 0.02 %
  • RIVP project :
      • 1.7 million people with telecom service accessibility.
      • Traffic:0.07 Erlang per subscriber.
      • Revenues:Twenty Million Dollars per year (20,000,000 US $ ) for (600 remote stations).
      • Investment Return:Less than 5 years.

SUDATEL CO. LTD.

slide26

RIVP Project size:

  • Project Name: Remote Isolated Villages Project (RIVP).
  • Project size: 600 terminals + Hub station in Khartoum.
  • Project Technology: VSAT + WLL
  • Services (planned):Voice, Fax, Data, Internet, Tele-medicine, Tele-education & Tele-centers.
  • Assistance needed: Financial, Technical & Training.
  • Planned Date of start: 3rd Quarter 2003.
  • Current situation:Business-case, RFP, looking for fund.

SUDATEL CO. LTD.

slide27

RIVP Project Services

  • Low End Application:for communities of 20-100 subscribers. To provide them with voice and fax services at payphones or public phone booths.
  • Medium End Application:for communities of up to 300 subscribers. To provide them with voice and low to medium data rate services.
  • High End Application:for communities of higher than 300 subscribers. To provide them with voice and medium to high data rate services such as Internet, Tele-medicine, Tele-education and Tele-centers.
  • Access options: VSAT(DAMA)+WLL

SUDATEL CO. LTD.

slide28

Commitment and Incentives:

Sudatel is fully committed to:

  • bear all expenses of custom clearance, local expenses of survey, in-country transportation of materials & equipment and tax relief.

SUDATEL CO. LTD.

slide30

Assistance Needed

  • Financing.
  • Project engineering & dimensioning.
  • Training.

SUDATEL CO. LTD.

slide31

Licensing and regularity Requirement

  • RIVP Project is owned by Sudatel for enhancing the Universal Access in Sudan.
  • Sudatel is receiving support from Sudan Government for implementing this project.

SUDATEL CO. LTD.

slide34

The End

The Sudan candidate project (RIVP) is an interesting and very promising project that needssupport from all.

SUDATEL CO. LTD.