GERAN #29 #30 #31

| TSG CT | TSG SA | TSG RAN | 

Previous Highlights:
 

Welcome!

Welcome to the latest edition of TSG Highlights! The aim is to provide you with a concise summary of the decisions and actions of the most recent 3GPP Technical Specification Group meetings. 
In the period of April 2006 (PCG #16) to November 2006 (PCG #17) TSG GERAN held 4 plenary meetings: GERAN #29 (San José del Cabo, Mexico), GERAN #30 (Lisbon, Portugal), GERAN #31 (Denver, CO, USA), GERAN#32 (Budapest, Hungary).

Please note, these summaries do not constitute formal, approved reports of the meetings – they are opinions only and also may not be complete. They are offered for guidance only.

GERAN plenary meetings

• GERAN #29 (San José del Cabo, Mexico):

• 506 Documents addressed

• 200 Change Requests approved

• 98 Delegates

• GERAN #30 (Lisbon, Portugal):

• 528 Documents addressed

• 164 Change Requests approved

• 102 Delegates

• GERAN #31 (Denver, CO, USA):

• 403 Documents addressed

• 114 Change Requests approved

• 97 Delegates

• GERAN #32 (Budapest, Hungary):

• 567 Documents addressed

• 208 Change Requests approved

• 113 Delegates

TSG GERAN Evolution

New Work Item Approved:

• REduced symbol Duration, Higher Order modulation and Turbo coding RED HOT

Work Items Approved at earlier meetings:

• Dual carrier in the Downlink GDCDL
• MS receive diversity Phase II MSRD2
• Latency Reductions LATRED
• Higher Uplink Performance for GERAN Evolution HUGE
   

TSG GERAN GSM On Board Aircraft

    The report from the ERM/MSG GSM OBA group was presented.
    Two documents are under development within the group:
         -   a Harmonized Standard
         -   a Technical Specification
   

Completion of work foreseen by February 2007
 

TSG GERAN 3G Long Term Evolution

        GERAN / LTE Interworking

• Liaisons received from RAN and SA
• Work not started within GERAN WGs
• Joint meeting planned for early January 2007 (10th – 11th), and agenda circulated over SA, SA1, SA2, RAN, RAN1, RAN2, RAN3, RAN4, RAN5, GERAN, GERAN1, GERAN2, CT, CT1 reflectors
   

TSG GERAN Other Technical Work

• TS 45.005 relaxations : a proposal to relax some of TS 45.005 specifications on BTS intermodulation, spurious emissions and blocking requirements was made
  to allow the introduction of BTS GSM multicarrier transceivers. GERAN#32 reviewed a discussion paper and CRs to TS 45.005 and TS 51.021, but it was decided
  further investigation on the proposal is needed

• PS Conversational : CRs TS 43.064 (Stage 2), TS 44.060 (Stage 3) approved

• Flexible Timeslot Assignment : the concept of Flexible Timeslot Assignment was agreed, but the corresponding CRs have been postponed

• DTM Handover : Critical PS indication work is ongoing

• MBMS : a CR has been approved introducing the MBMS session update procedure in TS 43.246 Rel-7.

• EGPRS : a CR to TS 45.008 Rel-7 was approved, clarifying that EGPRS MSs have to report MEAN_BEP and CV_BEP both on data blocks and control blocks
  (provided the TFI is present in the RLC/MAC control block header

• A-GPS Minimum Performance requirement : CR to TS 44.014 approved on addition of Reset MS Positioning Stored Information command

• VGCS enhancements to support VGCS Applications : CRs to TS 44.018 and TS 48.008 approved

• Global Navigation Satellite System (GNSS) : agreement reached on the “structure of data” to be used for the introduction of A-GNSS, i.e.
  – Baseline CR TS 44.031 approved
  – CRs TS 49.031 tabled but more work needed
  Further work will now continue from the baseline established.

• GAN : PS Handover Rel-7 CRs to TS 43.318 (GAN Stage 2) and TS 43.129 (PS HO Stage 2) introducing the GAN PS HandOver have been approved

• GAN Enhancements :
  – WID for GAN Enhancements approved at GERAN #32
  – TSG GERAN Ad-Hoc meeting planned to progress the work (08 – 09 January, 2007, at Sophia Antipolis, France)

• MS RX Diversity (MSRD, DARP Phase II) :
  – CR to TS 45.005 Rel-7 introducing DARP Phase II requirements approved; another CR to TS 45.005 needed to clarify the legacy requirements of DARP
  Phase II terminals
  – DARP Phase II will be introduced as a release independent feature and a CR to TS 45.015 will be provided
  – A draft CR to TS 24.008 Rel-7 introducing the DARP Phase II capability indicator has been endorsed and liased to 3GPP CT WG1.

• Dual Carrier in the Downlink (DC) :
  – CR to TS 45.002 Rel-7 has been approved introducing the DL dual carrier multislot classes; corresponding draft CR to TS 24.008 Rel-7 has been endorsed
  and liaised to 3GPP CT WG1
  – A proposal for allowing assignment of dual carrier on uplink irrespective of dual carrier assignment in the downlink was presented; further evaluation is needed
  – Discussion paper highlighting possible state/assignment transitions due to DC assignments was presented; Companies are invited to provide comments offline

• Higher Uplink Performance for GERAN Evolution (HUGE) :
  – A number of Stage 2 working assumptions have been proposed and have been accepted as "pre-working assumptions"
  – It has been proposed to use training sequences with better cross correlation properties for higher order modulations, this will be further investigated
  – It has also been proposed to include QPSK with increased symbol rate in the HUGE concept, if it is confirmed that it improves performances at the cell edge
  – Preliminary investigations on link performance and interference impact on voice quality of HUGE have been presented

• Latency Reductions :
  – CR to TS 43.064 Rel-7 introducing R-TTI approved
  – Fast Ack/Nack merits of a SSN-based approach and a time-based approach for the DL ack/nacks were presented, a proposal for new coding schemes with
  and without bitmap was made, and link level performance results were shown
  – Simulation results presented for VoIP, showed that the SSN-based approach works for VoIP but that the time-based approach also worked (better) for VoIP.
  It was concluded that the SSN-based approach should be used, both uplink and downlink, while it is still to be decided if the time-based approach will be introduced
  (as an option) for UL ack/nack

TSG GERAN Testing

• General areas of work :
  – MS Conformance Testing DARP Phase II
  – Clean up of not needed PICS/PIXIT statements from 51.010-1
  – A-GPS Minimum Performance
  – Repeated FACCH and SACCH
  – Enhanced Power Control
  – Cell Notification
  – Variable Bitmap
  – T-GSM 810

• Completed areas of work :
  – Wideband AMR

• Dual Mode Terminals :
  – CR to TS 51.010-2 updating applicability statements classifying those test cases redundant for a dual mode terminal

• GPRS :
  – Test Cases extended to cover GEA2/GEA3; it is expected that these test cases will be included in the certification criteria for GEA2/GEA3 work item initiated in GCF.

• GAN :
  – IP SEC certificates: originally WG3 proposed that Testing Certificates be developed and maintained by 3GPP for GAN conformance testing; after review, WG3 has agreed to use self-signed certificate for GAN testing. The certificate will only be valid in test mode (statement to be added in TS 44.014), private and public parts of the certificate will be added in an annex to TS 51.010.

• GPRS and EDGE :
  – corrections to the existing test cases to align with Stage 3
   

Testing - Completed areas of work:

• GAN GERAN (Completed)

• Enhanced Measurement Report (Completed)

• 8PSK AMR HR (Completed)

• GSM 710 (Completed)

Future TSG GERAN Plenary meetings :                                               

•  TSG GERAN #33 12 – 16 February 2007 Korea

•  TSG GERAN #34 14 – 18 May 2007 China

•  TSG GERAN #35 27 – 31 August 2007 Ireland

•  TSG GERAN #36 12 – 16 November 2007 USA

•  TSG GERAN #37 11 – 15 February 2008 TBD
   

Back to top