Doc.: IEEE 802.11-14/0328r0 Submission Dense Apartment Complex Throughput Calculations Date: 2014-03 Authors: Graham Smith, DSP GroupSlide 1 Mar 2014.

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doc.: IEEE /0328r0 Submission Dense Apartment Complex Throughput Calculations Date: Authors: Graham Smith, DSP GroupSlide 1 Mar 2014

doc.: IEEE /0328r0 Submission –This presentation looks at the Dense Apartment scenario and calculates the throughputs –First we look at the potential overlap situation –Then we look at channel selection schemes, random and intelligent. –We then determine the resulting apartment sharing –We then simulate the traffic per STA for every apartment and present the results Background Graham Smith, DSP GroupSlide 2 Mar 2014

doc.: IEEE /0328r0 Submission 3a Dense apartment building – private access and cellular offload Pre-Conditions Each apartment has Wi-Fi network deployed to access internet and cloud services. In each apartment up to 3 users stream concurrently video content from the network and up to 50% of the networks are active. At the same time each of the active Wi-Fi networks is used by 2 users for web browsing Environment Building with 100 apartments. One AP in each apartment of 10mx10m randomly positioned. 5 STA per AP randomly positioned in the apartment. Applications Cloud based applications supporting video streaming with 8k resolution. Video throughput assumptions are: ~112Mbps per STA, delay is < 200ms, 1.0E-3 PER. Online game Cloud-based application as big storage Web browsing assumptions for Social Networking are: ~20Mbps, PER 1e-3, delay<50ms 150 active video users and 100 active web browsing users in the building. Traffic Conditions Strong interference from unmanaged overlapping networks (neighboring apartments, and outdoor Wi-Fi network). Multiple video display are operational simultaneously. Interference with Zigbee, Bluetooth. Use Case Users watch the high quality video contents coming from the Internet or video contents stored in their PVR with VHD Display. There may be another video streams to be recorded in the Blu-ray deck. People enjoy playing online games or local game machine with two or more people. Other users are just accessing the Internet for access, web browsing, etc. Slide 3Laurent Cariou (Orange)Graham Smith, DSP Group Mar 2014

doc.: IEEE /0328r0 Submission Dense apartment complex - Legacy Graham Smith, DSP GroupSlide 4 Mar 2014

doc.: IEEE /0328r0 Submission Channel Selection (Channel and Overlap) vs Random Graham Smith, DSP GroupSlide 5 Mar 2014

doc.: IEEE /0328r0 Submission 2 x 20MHz or Share 40MHz? Does EDCA Overhead cancel out extra subcarriers? Graham Smith, DSP GroupSlide 6 Mar 2014

doc.: IEEE /0328r0 Submission Dense Apartment Complex – DSC Graham Smith, DSP GroupSlide 7 Mar 2014

doc.: IEEE /0328r0 Submission Apartment Sharing Graham Smith, DSP GroupSlide 8 Mar 2014

doc.: IEEE /0328r0 Submission Apartment Sharing - DSC Graham Smith, DSP GroupSlide 9 Tables show the number of apartments and the BW. Mar 2014

doc.: IEEE /0328r0 Submission Average Throughput per STA - Sharing Graham Smith, DSP GroupSlide 10 3 Networks sharing one 20MHz channel 12 STAs total. Each STA TP is 7.61Mbps Mar 2014

doc.: IEEE /0328r0 Submission Throughputs per STA vs Channels Graham Smith, DSP GroupSlide 11 Combining the # apartments sharing and the throughputs Mar 2014

doc.: IEEE /0328r0 Submission Throughputs per STA vs Channels Graham Smith, DSP GroupSlide 12 Mar 2014

doc.: IEEE /0328r0 Submission Throughputs per STA vs Channels - DSC Graham Smith, DSP GroupSlide 13 We can now calculate the throughput results Mar 2014

doc.: IEEE /0328r0 Submission Results Total Throughput Graham Smith, DSP GroupSlide 14 As would be expected, Channel Selection and DSC improve the total throughput Mar 2014

doc.: IEEE /0328r0 Submission Results CDF Graham Smith, DSP GroupSlide 15 Mar 2014

doc.: IEEE /0328r0 Submission Results CDF Graham Smith, DSP GroupSlide 16 Mar 2014

doc.: IEEE /0328r0 Submission When estimating the per STA throughput for the dense apartment complex, it is important to include the channel selection and the resulting apartment sharing scenario. As expected, improvements to the throughput per STA occur with Channel selection rather than random DSC Question is what do we use as the basis? Channel selection is recommended in 11aa. Conclusions Graham Smith, DSP GroupSlide 17 Mar 2014