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Doc.: IEEE 802.11-16/0387r2 SubmissionSlide 1 Multi-Channel Spatial Sharing Date: 2016-03-17 Authors: NameCompanyAddressPhoneEmail Kyungtae Jo LG Electronics.

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Presentation on theme: "Doc.: IEEE 802.11-16/0387r2 SubmissionSlide 1 Multi-Channel Spatial Sharing Date: 2016-03-17 Authors: NameCompanyAddressPhoneEmail Kyungtae Jo LG Electronics."— Presentation transcript:

1 doc.: IEEE 802.11-16/0387r2 SubmissionSlide 1 Multi-Channel Spatial Sharing Date: 2016-03-17 Authors: NameCompanyAddressPhoneEmail Kyungtae Jo LG Electronics kyungtae.jo@lge.com SungJin Parkallean.park@lge.com HanGyu Chohg.cho@lge.com JinMin Kimjinmin1230.kim@lge.com Saehee Bangsaehee.bang@lge.com Sang G. Kimsanggook.kim@lge.com Kyungtae Jo (LG Electronics) March 2016

2 doc.: IEEE 802.11-16/0387r2 Submission Introduction Background –11ad includes “Spatial Sharing (SPSH) Protocol”. –11ay has to support the SPSH for multi-channel. –Therefore, existing SPSH protocol should be reinforced and remedied for 11ay. This contribution intends to investigate how spatial sharing protocol in single channel for 11ad is modified to extend to the spatial reuse for multi-channel. Kyungtae Jo (LG Electronics)Slide 2 March 2016

3 doc.: IEEE 802.11-16/0387r2 Submission Recap : 11ad SPSH Spatial sharing mechanisms allow SPs belonging to different STAs in the same spatial vicinity to be scheduled concurrently over the same channel. The PCP/AP should request STAs to perform and report spectrum and radio resource measurements to assess the possibility to perform spatial sharing. Kyungtae Jo (LG Electronics)Slide 3 March 2016

4 doc.: IEEE 802.11-16/0387r2 Submission Recap : 11ad SPSH (cont.) Directional Channel Quality Request/Report –Operating Class and Channel Number fields together specify the channel frequency and spacing for which the measurement request applies. –AID field indicates the Target STA. –Measurement Method field : If this field is set to 0, it indicates ANIPI. If this field is set to 1, it indicates RSNI. –Measurement for Time Block fields are set to the ANIPI value measured during each measurement unit, which is the ratio of Measurement Duration to Number of Time Blocks. 4Kyungtae Jo (LG Electronics) March 2016

5 doc.: IEEE 802.11-16/0387r2 Submission Proposal for Multi-Channel SPSH For multi-channel SPSH, channel measurements for the channels should be achieved. We suggest how to modify the Directional Channel Quality Request/Report frames for multi-channel SPSH. 5Kyungtae Jo (LG Electronics) * T cs may be needed for RF bandwidth set to the assigned channels March 2016

6 doc.: IEEE 802.11-16/0387r2 Submission Proposal : Modified Directional Channel Quality Request 6Kyungtae Jo (LG Electronics) Measurement channel bitmap Reserved Bits:44 Operating ClassChannel NumberAIDReservedMeasurement Method Measurement Start Time Measurement Duration Number of Time Blocks Optional Sub-elements Octets: 11 111821Variable Description Measurement channel bitmap Set the 1 st bit to 1: Request about channel measurement on Channel 1, 0: NOT request on Channel 1 Set the 2 nd bit to 1: Request about channel measurement on Channel 2, 0: NOT request on Channel 2 Set the 3 rd bit to 1: Request about channel measurement on Channel 3, 0: NOT request on Channel 3 Set the 4 th bit to 1: Request about channel measurement on Channel 4, 0: NOT request on Channel 4 March 2016 Channel mapping for multi-channel SPSH in Directional Channel Quality Request frame –Multi-channel SPSH can be supported by modifying Directional Channel Quality Request frame that already exists in 11ad. –Channel bitmap for the channels requested by AP is carried in the reserved bits.

7 doc.: IEEE 802.11-16/0387r2 Submission Proposal: Modified Directional Channel Quality Report 7Kyungtae Jo (LG Electronics) Operating Class Channel Number AIDReservedMeasurement Method Measurement Start Time Measure ment Duration Number of Time Blocks Measurement for Time block 1 …Measurement for Time block M Optional sub- elements Octets: 11 1118 21Variable Measurement channel bitmap Reserved Bits:44 Description Measurement channel bitmap Set the 1 st bit to 1: Request about channel measurement on Channel 1, 0: NOT request on Channel 1 Set the 2 nd bit to 1: Request about channel measurement on Channel 2, 0: NOT request on Channel 2 Set the 3 rd bit to 1: Request about channel measurement on Channel 3, 0: NOT request on Channel 3 Set the 4 th bit to 1: Request about channel measurement on Channel 4, 0: NOT request on Channel 4 March 2016 Channel mapping for multi-channel SPSH in Directional Channel Quality Report frame –Multi-channel SPSH can be supported by modifying Directional Channel Quality Report frame that already exists in 11ad. –Channel bitmap for the channels measured by STAs is carried in the reserved bits.

8 doc.: IEEE 802.11-16/0387r2 Submission Summary We suggest that “Enhanced Directional Channel Quality Request/Report frame” are modified by using the reserved bits of existing “Directional Channel Quality Request/Report frame” of 11ad in order to keep backward compatibility with legacy. Kyungtae Jo (LG Electronics)Slide 8 March 2016

9 doc.: IEEE 802.11-16/0387r2 Submission Straw poll/motion Insert the following in the SFD: “11ay shall provide means to extend spatial sharing to be supported in multi-channel” Kyungtae Jo (LG Electronics)Slide 9 March 2016

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