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Content for  TR 43.802  Word version:  12.0.0

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0  Introductionp. 5

The present document captures the results of the feasibility study on Mobile data applications for GERAN.

1  Scopep. 6

The present document contains the results from the feasibility study on efficient support of mobile data applications for human communications in GERAN.
The following aspects shall be covered in the study:
  • Analysis on relevant traffic profiles from GERAN perspective for the mobile data applications of human communications
  • Analysis on the impacts on GERAN network based on the identified traffic profiles
  • GERAN enhancements to alleviate these impacts with regards to: Radio resource utilization; signalling procedures; RR states and transition between them and Battery lifetime
  • Common assumptions on simulations and evaluations for candidate solutions
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2  Referencesp. 6

The following documents contain provisions which, through reference in this text, constitute provisions of the present document.
  • References are either specific (identified by date of publication, edition number, version number, etc.) or non specific.
  • For a specific reference, subsequent revisions do not apply.
  • For a non-specific reference, the latest version applies. In the case of a reference to a 3GPP document (including a GSM document), a non-specific reference implicitly refers to the latest version of that document in the same Release as the present document.
[1]
TR 21.905: "Vocabulary for 3GPP Specifications".
[2]
TR 41.001: "GSM Release specifications".
→ to date, withdrawn by 3GPP
[3]
TR 22.801: "Study on non-MTC Mobile Data Applications impacts".
[4]
TR 43.868: "GERAN Improvements for Machine-type Communications".
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3  Definitions, symbols and abbreviationsp. 6

3.1  Definitionsp. 6

For the purposes of the present document, the terms and definitions given in TR 21.905 and the following apply. A term defined in the present document takes precedence over the definition of the same term, if any, in TR 21.905.

3.2  Symbolsp. 7

For the purposes of the present document, the following symbols apply:

3.3  Abbreviationsp. 7

For the purposes of the present document, the abbreviations given in TR 21.905 and the following apply. An abbreviation defined in the present document takes precedence over the definition of the same abbreviation, if any, in TR 21.905.
CV
Countdown Value
DL
Downlink
GERANEMDA
GERAN Enhancements for Mobile Data Applications
HTTP
Hypertext Transfer Protocol
IM
Instant Message
LLC
Logical Link Control
MDA
Mobile Data Applications
MO
Mobile Originated
MT
Mobile Terminated
MODAI
Non-MTC Mobile Data Application Impacts
MS
Mobile Station
OSAP
Optimized System Access Procedure
PDU
Packet Data Unit
RLC
Radio Link Control
TBF
Temporary Block Flow
UDD
Unconstrained Delay Data bearer service
UL
Uplink
WAP
Wireless Application Protocol
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4  Objectivesp. 7

4.1  Generalp. 7

The general objectives of this study is to make the GERAN network better suited for mobile data applications used on multi-tasking capable mobile stations, e.g. IM chatting, HTTP/WAP browsing services (including streaming), social network services, etc , this study aims to consider the following objectives:
  • Study and identify the relevant traffic profiles from GERAN perspective for the mobile data application of human communication, e.g. IM chatting, HTTP/WAP browsing (including streaming), social network service, etc.
  • Study the impact on GERAN network based on the identified traffic profiles.
  • Study enhancements to alleviate the impacts from these traffic patterns on the current GERAN networks (if any)
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4.2  Performance Objectivesp. 7

The candidate enhancements aiming at alleviating the identified impacts should consider the following performance objectives. When evaluating the candidate enhancements, the relative performance gains should be evaluated by comparing to the reference scenario for which the common assumptions are described in section 6.
  • Improve radio resource utilization
  • Reduce signalling procedures
  • Minimize the impact on RR states and reduce the transition between them
  • Reduce the impact on battery lifetime

4.3  Compatibility Objectivesp. 8

The candidate enhancements aiming at solving the identified problems should consider the following compatibility objectives:
  • Avoid impacts on existing BTS and BSC hardware:
    • This will enable use of already existing hardware and only require a software upgrade.
  • Be based on the existing network architecture and minimal impact on core network:
    • This will enable an operator to re-use existing network nodes.
  • Minimize the impacts on mobile station.

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