Uplink OLPC Modification: Replacement of SIR_DL by SINR_DL for Easy Measurement IEEE 802.16 Presentation Submission Template (Rev. 9) Document Number:

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Uplink OLPC Modification: Replacement of SIR_DL by SINR_DL for Easy Measurement IEEE Presentation Submission Template (Rev. 9) Document Number: IEEE S802.16m-09/1597 Date Submitted: Source: Rongzhen Yang, Apostolos Papathanassiou, Wei Guan, Hujun Yin, Yang-seok Choi| Intel Corporation Dong-cheol Kim, Wookbong Lee, HanGuy Cho, Jin Sam Kwak LG Electronics Venue:. IEEE m Session#62, San Francisco, USA Category: AWD comments / Area: Chapter (Uplink Power Control) “Comments on AWD Uplink Power Control” m amendment working document Base Contribution: IEEE C802.16m-09/ 1524 Purpose: The analysis to support related modification in IEEE C802.16m-09/ Notice: This document does not represent the agreed views of the IEEE Working Group or any of its subgroups. It represents only the views of the participants listed in the “Source(s)” field above. It is offered as a basis for discussion. It is not binding on the contributor(s), who reserve(s) the right to add, amend or withdraw material contained herein. Release: The contributor grants a free, irrevocable license to the IEEE to incorporate material contained in this contribution, and any modifications thereof, in the creation of an IEEE Standards publication; to copyright in the IEEE’s name any IEEE Standards publication even though it may include portions of this contribution; and at the IEEE’s sole discretion to permit others to reproduce in whole or in part the resulting IEEE Standards publication. The contributor also acknowledges and accepts that this contribution may be made public by IEEE Patent Policy: The contributor is familiar with the IEEE-SA Patent Policy and Procedures: and. Further information is located at and.

Motivations Original OLPC formula for SIMO: Issue for Product Implementation: SIR_DL is more difficult to be measured than SINR_DL Question: could we replace SIR_DL by SINR_DL?

Formula Analysis Here, is DL total Tx power, is thermal noise power of whole band

Study of 4 IMT-Adv Scenarios (1) InHUMi UMa RMa

Study of 4 IMT-Adv Scenarios (2) From the ratio CDF, we can get: –There is not difference between CINR/SIR for UMi, UMa, RMa scenarios –InH need to be farther evaluated because of big difference between CINR/SIR ratio. In addition, 16m (PCLA DG) scenario is also selected for performance evaluation.

Performance Evaluation: IMT-Adv InH SIMO 1x4

Performance Evaluation: IMT-Adv InH CSM 1x4

Performance Evaluation: IEEE 16m PCLA DG 500m Scenario (1x2 SIMO)

Conclusion SINR_DL can replace the SIR_DL in 16m OLPC formula and will not bring the significant performance difference. Recommendation: accept the related modification in contribution C80216m/xxxx;