1. doc.: IEEE 802.15-15-0916-00-hrrc Submission November 2015 Junhyeong Kim, ETRISlide 1 Project: IEEE P802.15 Working Group for Wireless Personal Area Networks (WPANs) Submission Title: [IG HRRC Closing Report for November 2015] Date Submitted: [11 November, 2015] Source: [Junhyeong Kim, Bing Hui] Company [ETRI] Address [218 Gajeong-ro, Yuseong-gu, Daejeon, 305-700, KOREA] Voice:[+82-42-860-6239], FAX: [+82-42-860-6732], E-Mail:[jhkim41jf@etri.re.kr] Abstract:[IG HRRC closing report for November 2015] Purpose:[IG HRRC closing report for November 2015] Notice:This document has been prepared to assist the IEEE P802.15. It is offered as a basis for discussion and is not binding on the contributing individual(s) or organization(s). The material in this document is subject to change in form and content after further study. The contributor(s) reserve(s) the right to add, amend or withdraw material contained herein. Release:The contributor acknowledges and accepts that this contribution becomes the property of IEEE and may be made publicly available by P802.15.

2. doc.: IEEE 802.15-15-0916-00-hrrc Submission IEEE 802.15 IG HRRC (High Rate Rail Communications Interest Group) Closing Report Dallas, TX USA Wednesday AM2, November 11, 2015 Junhyeong Kim, ETRISlide 2 November 2015

3. doc.: IEEE 802.15-15-0916-00-hrrc Submission IG Group Leadership Chair : Junhyeong Kim (ETRI, South Korea) Secretary : Bing Hui (ETRI, South Korea) Junhyeong Kim, ETRISlide 3 November 2015

4. doc.: IEEE 802.15-15-0916-00-hrrc Submission Sessions 6 th meeting for IG HRRC –Joint 15/16 meeting 1 session –Tuesday PM1 (13:30 ~ 15:30), November 10, 2015 9 participants Junhyeong Kim, ETRISlide 4 November 2015

5. doc.: IEEE 802.15-15-0916-00-hrrc Submission Meeting Accomplishments Technical discussions –Ray-tracing based Study on Mobile Channel in Typical Urban Environment with Various Beamforming Strategies at 32 GHz : 15-15-0837-00-hrrc15-15-0837-00-hrrc Small RMS delay spread and RMS Doppler spread in urban environment In case the train moves along a straight track, fixed beamforming used on both Tx and Rx is enough for stable communication link with advanced handover strategies –Handover Strategy for High-speed Rail Communications : 15-15-0839-00-hrrc 15-15-0839-00-hrrc Different handover procedures for head antenna and tail antenna of high-speed rail Difficulty in defining the Handover trigger condition Junhyeong Kim, ETRISlide 5 November 2015

6. doc.: IEEE 802.15-15-0916-00-hrrc Submission Contributions 5 contributions –Contribution #1 (15-15-0847-00-hrrc) : IG HRRC November 2015 Agenda15-15-0847-00-hrrc –Contribution #2 (15-15-0837-00-hrrc) : Ray-tracing based Study on Mobile Channel in Typical Urban Environment with Various Beamforming Strategies at 32 GHz15-15-0837-00-hrrc –Contribution #3 (15-15-0839-00-hrrc) : Handover Strategy for High-speed Rail Communications15-15-0839-00-hrrc –Contribution #4 (15-15-0915-00-hrrc) : Meeting Minutes of November 201515-15-0915-00-hrrc –Contribution #5 (15-15-0916-00-hrrc) : Closing Report for November 2015 Junhyeong Kim, ETRISlide 6 November 2015

7. doc.: IEEE 802.15-15-0916-00-hrrc Submission Junhyeong Kim, ETRISlide 7 Thank you November 2015