TTA Activities on IMT-Advanced standardization Global Standards Collaboration (GSC) 14 DOCUMENT #: GSC14-PLEN-050 FOR: Presentation SOURCE: TTA, Korea AGENDA ITEM: 6.1 CONTACT(S): Daejung Kim(kdj@tta.or.kr) TTA Activities on IMT-Advanced standardization DJey KIM (kdj@tta.or.kr) TTA Geneva, 13-16 July 2009

Highlight of Current Activities ITU-R WP5D invited technology submission for IMT-Advanced standards. 3GPP and IEEE presented their intention to submit LTE-Adv. and IEEE 802.16m during past WP5D meetings through initial submission at Feb. WP5D meeting. 3GPP submitted detailed technology description at June WP5D meeting. 13 evaluation groups were registered as independent evaluation groups in order to evaluate candidate technologies against IMT-Adv minimum requirement. Detailed evaluation will be discussed in 7th & 8th WP5D meetings in accordance with ITU-R WP5D schedule. Geneva, 13-16 July 2009

Highlight of Current Activities TTA are actively involved in the IMT-Adv submission and evaluation activities. TTA endorsed LTE-Advanced submission as an organization partner of 3GPP at June WP5D meeting TTA also supports IEEE 802.16m technology for IMT-Advanced candidate technology. TTA registered as independent evaluation group, and provided technical contributions to WP5D e.g., C-code implementation of channel model, and clarification of channel model. TTA has actively participated in CJk-B3G collaboration. AWF and 3GPPs collaboration were agreed as work scope. SIG on Evaluation was established. 10 Joint contributions were made toward WP5D so far 3 Geneva, 13-16 July 2009 3

Proposed Strategic Direction It is very important for ITU-R WP5D to manage the IMT-Advanced standardization process on time. Broadband networks are demanded for high-capacity services on newly identified spectrum at WRC-07. Based on timely IMT-Adv. Work completion, WRC-11 preparation can be smooth This concludes that IMT-Advanced standardization process should be maintained in a transparent and efficient manner. The progress of works should be well documented The works of proponents and evaluation groups should be well organized.

Challenges The difference of evaluation results Multiple evaluation methods are specified for different perspectives of evaluation for IMT-Advanced RIT or SRIT. ITU-R M.2135 didn’t specify every details on evaluation methodologies with consideration of different conditions required by different technologies. The different understanding or implementation of evaluation methodology described in the Report ITU-R M.2135 by different evaluation groups. It is difficult to calibrate evaluation methodologies among evaluation groups taking into account time and resource. The ambiguity of consensus building(Step7) After compliance assessment with minimum requirements at Step 6, consensus building and decision (step7) will begin. However, there is no clear definition & guideline on how to achieve objectives of “consensus building”.

Next Steps toward IMT-Adv. Standardization The efficient work under IMT.RADIO Although scope and work plan for IMT.RADIO was proposed at the previous WP5D meeting, there are still different views. However, TTA is of view that IMT.RADIO is needed for an interim document to smoothly connect evaluation discussion to ITU-R M.[IMT.RSPEC] development. Therefore, TTA would like to propose that IMT.Radio should be developed towards a new IMT-ADV document under current workplan in order to facilitate consensus building process, while comprised of the summary of discussion on the evaluation of each candidate RIT/SRIT

Supplementary Slides Geneva, 13-16 July 2009

FIGURE A2-1 (IMT-ADV/2-E) Schedule for the development of IMT-Advanced radio interface Recommendations Geneva, 13-16 July 2009

IMT-Advanced development process Steps of IMT-Advanced proces s (ITU-R WP5D) Steps of IMT-Advanced proces s Work aspect Responsible Group Note Step 1 Issuance of circular letter Ad Hoc Circular Letter Completed Step 2 Development of candidate RIT/SRITs Proponents External to ITU Step 3 Reception of the RIT/SRIT proposals & Acknowledgement of receipt Radiocommunication Bureau & SWG Coordination Step 4 Evaluation of candidate RIT/SRIT External Evaluation Group Step 5 Review and coordination of outside eval uation activities WG-TECH SWG Coordination is the focal point for internal and external c oordination Step 6 Review and access compliance with mi nimum requirements WG-TECH SWG-EVAL Step 7 Consideration of evaluation results, con sensus building and decision Step 8 Development of radio interface Recom mendation(s) To be determined Decision will be made at later meeting Geneva, 13-16 July 2009