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7/25/2019 Tata Communications WiMAX Rollout
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2008 Tata Communications Transformation Services, Ltd. All Rights Reserved.
Tata Communications WiMAX Rollout
- Ushering in the
Wireless Broadband Revolut ion
7/25/2019 Tata Communications WiMAX Rollout
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2
Agenda
Background
Scale of the project
Services offered
Approach
Challenges
Solution
Benefits
Conclusion
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BackgroundTata Communications focus on 3 As (Access, Affordability, and Applications) helped
develop a wireless access strategy enabling seamless connectivity to enterprise and retail
customers
In a geographically diverse and vast country like India, Tata Communications. envisioned wireless
technologies to facilitate in Providing coverage to areas difficult to connect
Improved range and connectivity in areas partially covered by wired network
By 2005 Tata Communications rolled out Multichannel Multipoint Distribution Service (MMDS)
(precursor to WiMAX) project in 50 cites to provide last mile wireless access.
By early 2007- With new spectrum policy, Tata Communications got license to implement pan IndiaWorldwide Interoperability for Microwave Access (WiMAX)
Provides better coverage in both LOS and Non-LOS conditions
Features like Orthogonal Freq Division Multiplexing, Adaptivemodulation etc provide better connectivity and performance
Standardized architecture leading substantially lower cost persubscriber
Line of Sight (LOS) and Near Line ofSight (Near LOS) constraint
Limited capacity without sectorizationand cellularization
WiMAX BenefitsMMDS Limitations
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Scale of the Project
Outdoor, Semi Indoor& Indoor
OutdoorTypes of CPE6
42No. of System Integrators engaged fordeployment
5
Planet EV, MapinfoRF Planning tools used4
Regional**CentralNetwork Management System3
3000+1500+No. of Base Stations240+350+No. of Cities1
RetailEnterpriseDescriptionS. No.
* Regional NMS based on greater number of Retail SS
1212Subscriber Stations
105Base Stations
802.16 e (Mobile)802.16 d (Fixed)Vendors Evaluated
7/25/2019 Tata Communications WiMAX Rollout
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Services Offered
- WiMAX with ISDN backup - Ethernet Relay Services
- Layer3 VPN Services - Multiple VLAN support
In future
Wireless Broadband Internet
Value Added Content based
Services e.g. Stock updates
Internet Leased Lines
Layer2 MPLS
VPN
Managed VOIP Services
At present
Retail CustomersEnterprise CustomersServices Offered
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Approach
Planning Evaluation Implementation
Proof of Concept (PoC) Field tr ials / Pilot
Requirements Gathering
RFP drafting, issue & response
evaluation
Site Visits & Lab Visits
Technical Evaluation
Preparing Vendor SpecificBusiness Cases
Commercial Negotiations
Overall evaluation (ProductComparison Matrix, Total Cost OfOwnership evaluation)
Order finalization
Technology Planning
Service Planning
RF Planning
Backhaul Planning
Deployment Plan
Site surveys and acquis ition
Site Installation
Site Integration
Backhaul Integration
NMS Integration
Acceptance Test ing
Customer Migration
Handover to Operations
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Approach- An illustrative project plan*
*Indicative for a city ro llout and not as per actual project plan and timelines
Quarter 1
Quarter 2
Quarter 3
Service
Planning
RFPlanning
Backhaul
Planning
Vendor
Selection
Implementation
NMS
OSS/BSS
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Challenges
Regulatory
Issues
Inter
operability
Issues
Planning
Issues
3.3 GHz profile is not a standard WiMAX forum prof ile
Only 12 MHz spectrum released by regulator
Limited equipment vendors in this Frequency band
Site specific AIPs (Agreement in Principle) to deploy the
Base Stations
Import Licenses
Ensuring interoperability compl iance for base stations
and subscriber stations
High equipment cost
Clutter and terrain of Indian cities make RF planning dif ficult
Optimal use of 12 MHz spectrumMigration of existing MMDS customers to WiMAX network
within the same operational spectrum
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Possible Solution- A WiMAX Ecosystem
OEMs
System
Integrators
IT
companies
CarriersChip
Vendors
Trade
forums
Develop, produce, certify, promote and deliver a quality rollout
Provide a platform to all the stakeholders
Deliver unique solutions tailored to suit Indian market
Interoperability between different vendor equipment
Lower the base station and subscriber station cost
Expedite entry of 3.3 GHz profile into WiMAX forum profile list
In the Indian context, creation of a WiMAX ecosystem led to the following benefits-
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Benefits
India Map- Source www.mapsofindia.com
Faster Go To Market- 6 month advantage over
setting up a city wide wireline network.
Easy Scalability- Network expansion in
Covering newer areas
Providing better coverage in existing wired networkareas
Off the Shelf Model-Installation time for
retail customers reduced to 60 mins from
2-3 days.
Robust Carrier Class Network- WIMAX
offers efficient multiple access capability
which provides carrier class network
resulting in lower OPEX.
Higher Quali ty of Service (QoS)-Prioritization of the traffic as per userrequirement
To design better customer centricbroadband plans
Improved services to business customers
New Business and Profit Models- Targeting new set
of customers e.g. ISPs demand WiMAX as a backhaul
option
Better Return On Investment- Compared to other
access technologies like 3G, WiMax offers a profitable
business plan with relatively high levels of revenue,
coupled with a relatively low CapEx and OpEx
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Conclusion
Ushering in theUshering in the
WirelessWireless
Broadband RevolutionBroadband Revolution
S
tructur
edApp
roach
ChallengesTackled
AccessStrategyPo
ssible
Solution
Regulatory
Inter-Operability
Planning
Planning Evaluation Implementation
OEMs
System
Integrators
IT
companies
CarriersChip
Vendors
Trade
forums
Ecosyste
m
Upgrading existing
MMDS network to
superior wireless
alternative WiMAX
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2008 Tata Communications Transformation Services, Ltd. All Rights Reserved.
Thank You
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Annexure - Bangalore Pilot
Outdoor Subscriber StationBST antenna 2
BST antenna 1 BST Outdoor Unit
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Architecture Diagram for Bangalore
Aggr egation swit ch
3750
Aggr egation swit ch3750
Micro pop
Carltontowers
Commercial
street
Mega Pop
3750
Gig
i
Tata Comm. MPLS
/Metro E
Network
172.29.x.x
172.29.x.x
172.29.x.x
172.29.x.x
7606
Micro pop
100 pop
. .
7606
Internet
BS for Retail si tes BS for Enterprise sites