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A Case Study on OPEX Savings from Managed Services in Transmission Network

A Case Study on OPEX Savings from Managed Services in Transmission Network

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  • What is silence suppression? To help understand silence suppression technology, consider this example: Some people talk all the time. Even they have to take a breath and they sometimes listen and are quiet. On a phone call, it is quite common that there is silence in one direction of the call while there is speech carried in the other direction. The public switched telephone network ( PSTN ) does not take advantage of this condition. The PSTN opens up a path in both directions, between the speakers, and allocates 100% of the path capacity to the call, even when there is silence. IP networks operate differently. Packets are transmitted when there is data and control information. Packets are not sent when there is nothing to send. In essence, when there is data silence, no IP network bandwidth is consumed. Silence suppression, also called voice activity detection voice activation detection
  • Voice Compression (DCME): It will be present between two MSCs, Telco Switches or International Trucking Gateways to compress up to 8 E1 voice traffic voice channels to a single E1 link.
  • What is LCF? ABIS local connectivity feature (LCF) LCF will be introduced across Ericsson's base-station portfolio, and is scheduled for commercial release in mid-2008. The solution allows local calls originating and terminating at the same base station, or cluster of base stations, to be switched locally in the Ericsson GSM radio network. This reduces operators' transmission costs because there is no need for the backhaul network that traditionally carries mobile voice and data traffic from radio base stations to the nearest switching node. This solution will help bridge the digital divide and bring telecommunications to locations that currently lack mobile coverage

Opex saving in transmission network Opex saving in transmission network Presentation Transcript

  • A Case Study on OPEX Savings from Managed Services in Transmission Network AHMED FADL DAFALLA [email_address] Managed Service for Emerging Markets
  • Overview
    • Managed services Overview.
    • Sudan Background.
    • Transmission Network Overview.
    • Requirements and Capabilities.
    • Challenges.
    • OPEX saving in Transmission Network
    • Summery.
    • References.
  • Managed Services Overview
    • Managed Services is a method of delivering any service where the operator hands off management and operational responsibility to the Managed Services provider.
    operational responsibility Managed Srvices provider Operator
  • Managed Services goals and objectives
    • It aims to reducing operational cost.
    • Sharing Risk with an Accountable Partner.
    • Creates higher levels of support and availability.
    • Makes it easy to calculate predictable cost.
    • Opens a window for access to the latest technology.
    • Capacity Building.
    • Adaptable of business swings.
    • Avoidance of capital expenditure.
  • Priority to reach goal
  • ABOUT SUDAN
    • One Million Square Miles, 8.5% of the land area of Africa, 25 Stat.
  • SUDAN Background
    • Khartoum city is the capital of Sudan.
    • Sudan is the Largest African country.
    • Covering an area of almost one million square miles.
    • Shares borders with nine African and Arab countries.
    • Sudan lies between 22 and 38 degrees east longitude and between 4 and 22 degrees north latitude.
    • Five distinct mountain ranges and plateaus characterize the relief of the landmass of Sudan.
  • Cont…
    • Sudan has different climatic regions that is desert in the north,
    • semi-desert, desert and savanna in the centre, and equatorial in
    • the south.
    • Population: 39.1 million (2008)
    • Age Structure:
      • 0-14 years: 45% (male 9,064,592; female 8,712,839)
      • 15-64 years: 53% (male 10,300,886; female 10,290,340)
      • 65 years and over: 2% (male 456,034; female 355,123).
    • Population growth rate: 2.84%.
    • Birth rate: 38.58 births/1,000 population.
    • Death rate: 10.28 deaths/1,000 population.
    • Net migration rate: 0.05 migrant(s)/1,000 populations.
  • Transmission Network Overview
    • The sending of information from a transmitter to receiver through communication path (Transmission Media).
    • A network is a series of points or nodes interconnected by communication path.
    • Transmission media:
        • Copper Cables.
        • Radio waves.
        • Optical fiber.
  • Requirements and Capabilities
    • Company’s experience.
    • Systems integration.
    • Planning and engineering capabilities.
    • Efficiency of network design.
    • End-to-end system.
    • Network privacy.
    • Service layer management capabilities.
    • Training services.
    • Tailored support and maintenance programs.
  • Managed Services Scope Network Design and Planning Network Build (end-to-end)
    • Traffic engineering.
    • Base station/access point design and planning.
    • IP core design and planning.
    • Transmission network (backhaul and access) design and planning.
    • Network Management System (NMS), Operations Support System (OSS) & Business Support System (BSS) design and planning.
    • Value-added services such as security process and design.
    • Design and process planning of centers for network operations (NOC), security operations (SOC), dispatch and data.
    • Site surveys.
    • Turnkey services such as site acquisition, permitting, preparation and construction.
    • Materials and ancillary procurement.
    • Network install, commissioning and integration.
    • Data build and initial software load.
    • Materials planning, logistics management and order management.
    • Asset management, warehousing and distribution.
    • Program management.
  • Cont . . . Network Operations Network Performance and Optimization
    • Network Operations Center.
    • Network monitoring.
    • CPE operations and maintenance.
    • Hardware and software upgrade deployment and management.
    • 1st, 2nd, 3rd and 4th line maintenance
    • Preventative maintenance - Security - intrusion monitoring and patch management.
    • Performance and optimization for radio access network, IP core and transmission networks (backhaul and access).
    • Frequency planning.
    • Service quality analysis
  • Challenges
  • OPEX saving in Transmission Network
    • Manage New Service.
    • Optimizing of infrastructure:
      • Backbone Solution.
    • Optimizing internal resources:
      • Bandwidth optimization.
    • Infrastructure Sharing:
    • Technology solution:
      • Local switching
  • Manage New Service Site model building Site configuration confirming Turnkey NWP&D Radio Planning (RP) Capacity planning Frequency planning Cover planning Transmission Planning (TP) Route planning & survey Transmission mode selecting Transmission designing integrating Project supporting/ platform End-end flow building Training/document building Qualification and organization establishing Site Planning (SP) Site design integrating Network structure design (NSD) Equipment survey & design Network planning subscriber service planning
  • Backbone Solution 
  • Cont… 
    • Backbone Solution.
      • Almost unlimited capacity.
      • Allows long distance and fast transmission.
      • Smooth integration of new communication technologies into existing communication networks using a new higher communication level.
      • The efficiency of the utility's core processes is fully maintained.
    • Backbone OPEX Saving.
      • Up to 70% of transmission OPEX is associated with backhaul of 2G/3G.
      • The rest of the OPEX is spread between core network, interconnect and other links.
      • Reduce VSAT Sites & LL Sites.
  • Bandwidth optimization   Silent Call Suppression Box Silent Call Suppression Box One box handles 8 E1
    • Saving:
      • Saving up to 50%
    • NW impact:
      • HW: NMS Access Gate
      • SW: BSS
    MSC Server silence suppression BTS BTS BTS BSC
  • Bandwidth optimization   VCL DCME
    • Saving:
      • Provides to 8:1 compression ratio for Toll Quality voice traffic.
      • Noise reduction.
      • Dynamic bearer bandwidth utilization.
    MSC Server Voice Compression (DCME) MSC Server VCL DCME 8*E1 1*E1 8*E1
  • Infrastructure Sharing
    • Shared services on common sites provide opportunities:
      • Site rental.
      • Antenna Sharing.
      • Back Haul sharing.
    • Providers capable of delivering aggregated savings offer greatest potential.
    • Back Haul sharing is feasible Contention:
      • Disparate QoS capabilities.
      • Scale & Growth potential.
      • Commercially attractive.
  • Local Switching  Ethernet Switch
    • Saving:
      • Saving up to 30%.
    MSC Server ABIS Over IP BTS BTS BTS BSC
    • Operators should set clear objectives with respect to what they are trying to achieve through Managed Services.
    • Develop a trusting partnership between operator and vendor.
    • A new flexible managed transmission service will support network growth.
    • Adoption of a managed transmission service will provide cost savings.
    Conclusion
  • References
    • http://www.ericsson.com/solutions/news/2007/q4/20071113_local_switching.shtml
    • www.globalshiksha.com /.../3G-Applications-and-Services-in-Emerging-Markets
    • www.nmscommunications.com /.../ WebinarOct04WirelessBackhaulOptimization .pdf
    • www.ntc.gov.sd
    • Managed Transmission – An alternative approach to delivering backhaul- Allan Oakman