SOCRATES Self-Optimisation and Self-Configuration in Wireless - - PowerPoint PPT Presentation

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SOCRATES Self-Optimisation and Self-Configuration in Wireless - - PowerPoint PPT Presentation

May 27, 2023 343 likes •558 views

SOCRATES Self-Optimisation and Self-Configuration in Wireless Networks www.fp7-socrates.eu Outline SOCRATES overview Initial progress Use cases Requirements Assessment criteria Interactions and parameter groups

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SLIDE 1

SOCRATES

Self-Optimisation and Self-Configuration in Wireless Networks

www.fp7-socrates.eu

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SLIDE 2

Outline

  • SOCRATES overview
  • Initial progress
  • Use cases
  • Requirements
  • Assessment criteria
  • Interactions and parameter groups
  • SOCRATES links to NGMN and 3GPP
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SLIDE 3
  • SOCRATES
  • Self-Optimisation and self-ConfiguRATion in wirelEss networkS
  • Project period
  • 3-year duration: From 01/01/2008 until 31/12/2010
  • Effort
  • Number of person months:

378

  • Total project costs:

€ 4,980,433

  • Consortium

Project overview

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SLIDE 4
  • Focus on 3GPP LTE (E-UTRAN)
  • Self-organisation in wireless networks
  • Self-configuration
  • e.g. ‘plug-and-play’ of new base

stations

  • Self-optimisation
  • measurements, processing,

parameter adjustment, …

  • continuous loop
  • Self-healing
  • failure detection
  • automatic minimisation of

coverage/capacity loss

Key issues

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SLIDE 5
  • Project objectives
  • Development of methods and algorithms for self-organisation
  • autonomous parameter adjustment
  • Specification of the required measurements
  • statistical accuracy, methods of retrieval, needed protocol interfaces
  • Validation and demonstration of the solutions
  • extensive simulation experiments
  • Assessment of the operational impact
  • e.g. radio network planning and capacity management processes
  • Input to 3GPP standardisation and NGMN activities
  • Quantitative character
  • Development of methods and algorithms
  • Quantitative assessment
  • simulation of scenarios
  • assessment of OPEX and CAPEX savings
  • Contacts and cooperation
  • self-* issues, autonomous networking, …
  • FP7: E3, 4WARD, AUTOI, EFIPSANS, EURO-NF, ….
  • COST 2100
  • 3GPP, NGMN, WWRF, …
  • …

Objectives

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SLIDE 6
  • Five work packages

Organisation of project work

Time

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SLIDE 7
  • Key objectives
  • Define the use cases for self-organising networks
  • Define the requirements and assessment criteria
  • Establish framework for development of self-organisation methods
  • Main activities and deliverables completed (January – August 2008)
  • A2.1: Generate a detailed list of use cases
  • Deliverable D2.1
  • A2.2 / A2.3: Determine requirements and assessment criteria
  • Deliverables D2.2, D2.3
  • Establish framework for development of self-organisation methods
  • Deliverable D2.4

WP2: Use cases and framework

See the final slide in this presentation for references to public deliverables

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SLIDE 8

Full list of SOCRATES use cases

Self-optimisation

  • Radio network optimisation
  • Interference coordination
  • Self-optimisation of physical channels
  • RACH optimisation
  • Self-optimisation of home eNodeB
  • GOS/QoS related parameter optimisation
  • Admission control parameter optimisation
  • Congestion control parameter optimisation
  • Packet scheduling parameter optimisation
  • Link level retransmission scheme
  • ptimisation
  • Coverage hole detection and

compensation

  • Handover related optimisation
  • Handover parameter optimisation
  • Load balancing
  • Neighbour cell list
  • Others
  • Reduction of energy consumption
  • Tracking areas
  • TDD UL/DL switching point
  • Management of relays and repeaters
  • Spectrum sharing
  • MIMO
  • Self-configuration
  • Intell. selecting site locations
  • Automatic generation of default

parameters for NE insertion

  • Network authentication
  • Hardware/capacity extension
  • Self-healing
  • Cell outage prediction
  • Cell outage detection
  • Cell outage compensation

These use cases have all been described in SOCRATES, but only a subset is being considered in WP3 and WP4

See D2.1 and D2.2

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SLIDE 9

Focus in WP3 and WP4: Developing solutions for use cases

  • Already started
  • Cell outage detection and compensation
  • Coverage hole detection and compensation
  • Self-optimisation of home eNodeB
  • Load balancing
  • Interference coordination
  • Handover parameter optimisation
  • Packet scheduling parameter optimisation
  • To be started in February 2009
  • Management of relays and repeaters
  • Admission and congestion control parameter optimisation
  • Automatic generation of default parameters for NE insertion
  • Links with NGMN use cases
  • First results expected mid-2009
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SLIDE 10

Technical requirements: Categories as used in SOCRATES

Performance and complexity Stability Robustness Architecture and scalability Timing Required inputs Interaction

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SLIDE 11

WWW.FP7-SOCRATES.EU 11

Assessment criteria

  • Assessment objectives:
  • Evaluation of the SON algorithms that will be developed
  • ‘Which algorithm is best’ if more than one algorithm for a use case
  • Assessment of the gains that can be achieved using SON
  • By comparison with manual network operation
  • Metrics considered are:
  • Performance (GoS/QoS)
  • Coverage
  • Capacity
  • OPEX
  • CAPEX
  • Benchmarking approach was developed to compare metrics
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SLIDE 12

Assessment criteria - Key messages

Assessment of SON requires the introduction of OPEX and CAPEX metrics Benchmarking is required to obtain an overall assessment The most relevant metrics depend on the use case Absolute gains depend on current operator approach Assessment of gains is an important part

  • f the development of SON algorithms

WWW.FP7-SOCRATES.EU 12

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SLIDE 13

Grouping of parameters and interactions

  • Multiple self-organisation use cases
  • Use cases:
  • different use cases might have different
  • ptimum values for the same parameter
  • use cases interact with each other
  • Problems:
  • Use cases can work against each other
  • Performance depends on multiple use

cases

  • Identification of use cases that need to

be

  • coordinated
  • simulated together
  • Initial study shows that majority of

parameters are coupled

UE Measurements eNodeB Measurements Use Case 1 Use Case 2 Use Case 3 Parameter 1 Parameter 2 ... ...

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SLIDE 14

Control and Coordination

  • There is a need to:
  • Handle interactions between use

cases

  • Coordinate parameters updates
  • Approach for managing

interaction and coordination

  • Logical view of the controller

and coordinator

  • Distributed
  • Centralized
  • SOCRATES will initially consider

stand-alone use cases, and then consider the interactions between these use cases

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SLIDE 15

What can SOCRATES contribute to 3GPP?

  • Promotion of solutions in standardisation through 3GPP

contributing SOCRATES members

  • Evaluation methodology & parameters to enable a common

analysis and evaluation of the benefits of SON use cases  Standardisation of “Measures” for SON use cases

  • Providing the framework and interfaces according to the

definition in SOCRATES for SON, at least for self-

  • ptimisation
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SLIDE 16

What can SOCRATES contribute to 3GPP?

  • Supporting activities for Release 9 and 10 version of 3GPP

documents, such as TR 36.902 (Self-configuring and self-

  • ptimizing network use cases and solutions)
  • Enhancement and completion of use cases:
  • Coverage and capacity optimisation
  • Interference reduction
  • Mobility load balancing optimisation
  • Coverage hole management and Cell outage management (

Mobility robustness)

  • Handover optimisation
  • SOCRATES will be doing detailed simulations on the use

cases, therefore standardisation contributions will have a solid technical basis

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SLIDE 17

Challenges for standardisation contribution out of SOCRATES

  • The standardisation directly out of a research project is

difficult, therefore

  • Close cooperation of the participating SOCRATES members is

necessary

  • Involvement of standardisation delegates already during

planning and preparation of contribution

  • It is not expected that the details of algorithms as developed

by SOCRATES will be standardised. Standardisation will relate to measurements, architecture and interfaces.

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SLIDE 18

SOCRATES and NGMN

  • SOCRATES has presented initial progress to NGMN
  • perators
  • Feedback from NGMN was that SOCRATES is doing useful

work, and NGMN is keen to continue interaction and cooperation with SOCRATES

  • SOCRATES fully supports this!
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SLIDE 19

SOCRATES liaisons to external fora

Forum Partner Representative Contact Person within SOCRATES 3GPP RAN 2 Vodafone Assen Golaup Neil Scully 3GPP RAN 3 NSN Alex Vesely / Karri Ranta- Aho Christoph Schmelz 3GPP SA 5 Ericsson Per Elmdahl Ove Linnell NGMN Vodafone Neil Scully Neil Scully COST 2100 TUBS Thomas Kürner Thomas Kürner WWRF NSN Werner Mohr Christoph Schmelz

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SLIDE 20

References

  • SOCRATES website: www.fp7-socrates.eu
  • The following SOCRATES deliverables are available for

download from the website (under ‘Publications’):

  • SOCRATES D2.1, “Use cases for self-organising networks”
  • SOCRATES D2.2, “Requirements for self-organising networks”
  • SOCRATES D2.3, “Assessment criteria for self-organising

networks”

  • SOCRATES D2.4, “Framework for the development of self-
  • rganisation methods”
  • SOCRATES D5.3, “Dissemination plan”
  • For further information, please contact:

Neil Scully Vodafone Group R&D Neil.Scully@vodafone.com +44 7919 994699