Submission doc.: IEEE 11-10/0973r2 July 2011 Lin Wang, ZTE CorporationSlide 1 Considerations of Compatibility with 802.11v and 11k Date: 2011-07-12 Authors:

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Submission doc.: IEEE 11-10/0973r2 July 2011 Lin Wang, ZTE CorporationSlide 1 Considerations of Compatibility with v and 11k Date: Authors:

Submission doc.: IEEE 11-10/0973r2 Slide 2 Abstract Motivation  As mentioned in recent FR-EM document( r2) [1], compatibility with the existing standard and its amendments (802.11i/w/s/k/v/u or other TGs) can be also included as one of maintaining user experience(TGah R6), but it is not means that i/w/s/k/v/u shall be used in all the applications.  As we discussed about network management of TGah ( r0) [2] last meeting, IEEE v/k or IEEE u may only apply to some specific TGah Use Cases. Purpose  This presentation further discusses the requirements for 11v/k features in TGah Use Cases. July 2011 Lin Wang, ZTE Corporation

Submission doc.: IEEE 11-10/0973r2 Slide 3 July 2011 Lin Wang, ZTE Corporation 11ah network operation& management 15.4g-11ah Router 11ah AP Backbone network Operator platform Use Case 1 Use Case 2 Use Case 3

Submission doc.: IEEE 11-10/0973r2 Slide 4 July 2011 Lin Wang, ZTE Corporation Current Use Cases [3] Use Case 1 : Sensors and meters –1a: 11/17r5, slide 7Smart Grid - Meter to Pole –1c: 11/253,Environmental/Agricultural Monitoring –1d: 11/260r1, slid 4Industrial process sensors –1e: 11/17r5, slid 17Healthcare –1f: 11/241r0, slide 3Healthcare –1g: 11/241r0, slid 5Home/Building Automation –1h: 11/242r0, slid 2Home sensors Use Case 2 : Backhaul Sensor and meter data –2a: 11/14r2, slide 5Backhaul aggregation of sensors –2b: 11/260r1, slide 4Backhaul aggregation of industrial sensors Use Case 3 : Extended range Wi-Fi –3a: 11/243r0Outdoor extended range hotspot –3b: 11/244r1Outdoor Wi-Fi for cellular traffic offloading

Submission doc.: IEEE 11-10/0973r2 11v and 11k Features for TGah Functions  11v/k Related Network Optimization Functions  11v Related Power Saving Functions July 2011 Lin Wang, ZTE CorporationSlide 5

Submission doc.: IEEE 11-10/0973r2 Slide 6 July 2011 Lin Wang, ZTE Corporation Network Optimization Functions for TGah Network diagnostic and troubleshooting/network “Health” Monitoring Network diagnostic and troubleshooting function is useful for administrator to quickly respond to the poor network performance, by using event/diagnostic Reports (11v) and statistics (11k) features. Network “Health” monitoring function can further help administrator knows network load and utilization at any time, while some 11v and 11k features such as Triggered Station Statistics, Event Reporting (11v), Statistics, Link Measurement, Beacon Report (11k) need to be supported. Load balancing/ efficient channel utilization/ power and channel management These functions are very useful in large-scale and densely located networks ( e.g. building, Use Case3 ) to improve radio channel utilization and reduce interference. Location services These functions might be useful for some use cases like physically locate stolen device, alarm sensors or location-based troubleshooting.

Submission doc.: IEEE 11-10/0973r2 Slide 7 July 2011 Lin Wang, ZTE Corporation Rank of 11v Power Saving features in TGah Use Cases 11v Features Use Case 1-Sensors and Meters Use Case 2- Backhaul Use Case 3- Extended Range 1a Smart Grid 1c env. agr. 1d Industri al 1e/1f Health care 1g/1h Home building 2a 15.4 /4g 2b Industri al 3a Hot spot 3b Off load 1 Proxy ARP, BSS Max Idle Period H1 2 Traffic Filtering Service, WNM Sleep Mode H2 3 BSS Termination LLLLLMMMM 4 DMS, FMS, TIM Broadcast, Proxy ARP MMMH3M MMM

Submission doc.: IEEE 11-10/0973r2 Slide 8 July 2011 Lin Wang, ZTE Corporation Conclusion: compatibility with 11v/k due to TGah Use Cases Use Case 1 : Sensors and meters –For large mount of battery operated sensors /meters are supported, the user and manufacturer want to extend the battery life of end devices as long as possible, only perform essential functions. –To those 11ah devices used in use case1, some power saving features in 11v may be expected to be implemented. Use Case 2 : Backhaul Sensor and meter data –For 11ah STA is an aggregator of leaf sensors, the information of sensors need to be collected by 11ah STA such as battery power status, location and traffic status, and then 11ah STA reports the information to 11ah AP for network management (e.g. load balance and troubleshooting). –Some of IEEE v/k features may be supported by 11ah. Use Case 3 : Extended range Wi-Fi –It is an extension of traditional Wi-Fi. Operator need to operate& manage not only 11ahAP, but also 11ah stations by the proxy of 11ah AP, especially for 3b(cellular traffic offloading). –Some of IEEE v/k features may be supported by 11ah.

Submission doc.: IEEE 11-10/0973r2 Slide 9 July 2011 Lin Wang, ZTE Corporation Next Step Consideration  FR-R6 Maintaining user experience - 11v/k Network operation & management can be considered into two categories: Network Optimization - network diagnostic and troubleshooting - load balancing - efficient channel utilization - efficient power and channel management - location services - … Power Saving see next slide

Submission doc.: IEEE 11-10/0973r2 Slide 10 July 2011 Lin Wang, ZTE Corporation Next Step Consideration (cont’d) For 11ah applications, power saving is a priority, 11v related power saving scheme should be considered. Proxy ARP, BSS Max Idle Period,“Wake on WLAN” may be considered as essential functions in all 11ah Use Cases. For multicast traffic, scheme of DMS, FMS and TIM Broadcast provide stronger capability for saving more power for STA. For cost and other considerations, schemes of network optimization in 11v/k need to be simplified, or new schemes might be considered.  FR-R8 Enhanced Power Saving Some modification in 11v and new power saving schemes might be considered due to 11ah Use cases.

Submission doc.: IEEE 11-10/0973r2 Slide 11 July 2011 Lin Wang, ZTE Corporation [1] TGah Functional Requirements and Evaluation Methodology Rev. 2, IEEE /0905r2 [2] IEEE ah network operation & management consideration for functional requirement, IEEE //0672r0 [3] Potential Compromise for ah Use Case Document, IEEE /0457r0 [4] IEEE v-2011 [5] IEEE k-2008 References