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Future Radio in 3GPP

June 2012

The 3GPP RAN Chairman held a workshop this week, to identify common requirements for future 3GPP radio access technologies.

As well as the call for higher data rates and more capacity to cope with traffic predictions - with usage set to double in each of the next five years – 3GPP companies agreed that priority must also be given to complimentary areas:

  • Energy saving
  • Cost efficiency
  • Support for diverse application and traffic types
  • Backhaul enhancements

After the discussions on those ‘Requirements’, presentations also brought forward proposals for potential technologies for 3GPP elaboration.

Takehiro Nakamura, RAN Chairman, observed that the majority of the Member companies – There were over 50 presentations from the leading operators and manufacturers during the two days - showed interest in enhanced small cells for LTE, with some re-occurring proposals in that area, such as:

  • Interference coordination / management
  • Dynamic TDD
  • Enhanced discovery / mobility
  • Frequency separation between macro and small cells - using higher frequency bands in small cells (e.g. 3.5 GHz)
  • Inter site Carrier aggregation / macro cell assisted small cells
  • Wireless backhaul for small cells

The workshop also considered LTE Multi-Antenna and site technologies such as 3D MIMO and beamforming, as well as further work needed on existing CoMP and MIMO specifications and future enhancements.

Other areas for Release 12, commonly identified in the presentations, included:

  • Support for diverse traffic types (Control signaling reduction, etc.)
  • Interworking with WiFi
  • Continuous enhancements for Machine type communications, Self organizing networks (SON), MDT and advanced receiver
  • Proximity Services and Device to Device communications
  • Further enhancements for HSPA including interworking with LTE

RELEASE 12 schedule

Release 12 should take 18 to 24 months to complete, with its freeze date expected in 2014.

update: 19/6/2012

The RAN#56 meeting report gives further details of the schedule, following the Workshop. It says that new Work Item and Study Item proposals – that take the above findings in to account - can be provided to the next RAN Plenary in Chicago in September (RAN #57).

Also, an email discussion is to be initiated by the RAN chairman, on the RAN reflector list - prior to the Chicago plenary, to establish the requirements and deployment scenarios of small cell enhancements.

During RAN#26 in Ljubljana the RAN Chairman also emphasised that the start of new work (on Release 12) will depend on workload situation in last quarter of 2012, as 3GPP Release 11 completion is the current priority.

The Workshop Presentations

  RWS-120002 Release 12 and beyond for C^4 (Cost, Coverage, Coordination with small cells and Capacity) NSN  
  RWS-120003 Views on Rel-12 Ericsson & ST-Ericsson  
  RWS-120004 LTE evolving towards Local Area in Release 12 and beyond Nokia Corporation  
  RWS-120005 Views on Release 12 Orange  
  RWS-120006 Views on Rel-12 and onwards for LTE and UMTS Huawei Technologies, HiSilicon  
  RWS-120007 3GPP RAN Rel-12 & Beyond Qualcomm  
  RWS-120008 New Solutions for New Mobile Broadband Scenarios Telefonica  
  RWS-120009 Telecom Italia requirements on 3GPP evolution Telecom Italia  
  RWS-120010 Requirements, Candidate Solutions & Technology Roadmap for LTE Rel-12 Onward NTT DOCOMO, INC.  
  RWS-120011 Where to improve Rel-12 and beyond: Promising technologies NEC  
  RWS-120012 Deutsche Telekom Requirements and Candidate Technologies Deutsche Telekom  
  RWS-120013 Release 12 Prioritization Concepts Dish Networks  
  RWS-120014 Towards LTE RAN Evolution Alcatel-Lucent  
  RWS-120016 Requirements and Technical Considerations for RAN Rel.12 & Onwards Fujitsu Limited  
  RWS-120017 Operator requirements on future RAN functionality TeliaSonera  
  RWS-120018 AT&T View of Release 12 in the North America Marketplace AT&T  
  RWS-120019 Major drivers, requirements and technology proposals for LTE Rel-12 Onward Panasonic  
  RWS-120020 Efficient spectrum resource usage for next-generation N/W SK Telecom  
  RWS-120022 LTE Rel-12 and Beyond Renesas Mobile Europe  
  RWS-120023 LTE Rel-12 and Beyond: Requirements and Technology Components Intel  
  RWS-120024 Considerations on further enhancement and evolution of UMTS/LTE network in R12 and onwards China Unicom  
  RWS-120025 Views on LTE R12 and Beyond CATT  
  RWS-120026 A proposal for potential technologies for Release 12 and onwards ETRI  
  RWS-120028 India market Requirements for Rel. 12 and beyond CEWiT  
  RWS-120029 Views on LTE Rel-12 & Beyond CMCC  
  RWS-120030 LTE addressing the needs of the Public Safety Community IPWireless  
  RWS-120031 Vodafone view on 3GPP RAN Release 12 and beyond Vodafone  
  RWS-120032 An Operator’s View of Release 12 and Beyond Sprint  
  RWS-120033 Public Safety Requirements for Long Term Evolution REL-12 U.S. Department of Commerce  
  RWS-120034 Views on 3GPP Rel-12 and Beyond ZTE  
  RWS-120035 Considerations for LTE Rel-12 and beyond Motorola Mobility  
  RWS-120037 Views on REL-12 and Onwards China Telecom  
  RWS-120039 Evolving RAN Towards Rel-12 and Beyond SHARP  
  RWS-120040 Views on enhancement of system capacity and energy efficiency toward Release12 and onward Hitachi  
  RWS-120041 Beyond LTE-A: MediaTek’s view on R12 MediaTek  
  RWS-120042 Potential Technologies and Road Map for LTE Release 12 and Beyond ITRI, HTC  
  RWS-120046 Technologies for Rel-12 and onwards Samsung Electronics  
  RWS-120047 KDDI's Views on LTE Release 12 onwards KDDI  
  RWS-120048 A view on Rel-12 and onwards from an operator's viewpoint Softbank Mobile  
  RWS-120049 UE AAS (Active Antenna System) Magnolia Broadband  
  RWS-120050 LG's view on evolution of LTE in Release 12 and beyond LG Electronics  
  RWS-120051 New concept to maximize the benefit of interference rejection at the UE receiver: interference suppression subframes (ISS) Broadcom  


Contact for this story:
This email address is being protected from spambots. You need JavaScript enabled to view it.">Kevin FLYNN

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