In order to focus this scenario on the issues related to high density, the channel model is considered as a large indoor model (TGn F). Note that robustness to outdoor channel models, which is also a requirement for some usage models in category 1 (like outdoor stadiums), is captured in the outdoor large BSS scenario. It is important to define a proportion (TBD %) of legacy devices in the scenario that won’t implement the proposed solution evaluation to ensure that the solution will keep its efficiency in real deployments (some solutions may be sensitive to the presence of legacy devices while other won’t). These legacy devices shall simply keep the baseline default parameters and shall not implement the proposed solution under evaluation. Those devices can be: STAs connected to the planned network APs and STAs part of the interfering network Parameter Value Topology (A) Figure 6 - BSSs layout (partial) Figure 7 - Layout of BSSs using the same channel in case frequency reuse 3 is used Environment description BSSs are placed in a regular and symmetric grid as in Figure 6 for frequency reuse 1 and Figure 7 for frequency reuse 3. Each BSS in Figure 6 has the following configuration: BSS radius: R meters (7m [#1248] / 12m [Stadium, #722,#1079] TBD) Inter BSS distance (ICD): 2*h meters h=sqrt(R2-R2/4) [R=7m] APs location AP is placed at the center of the BSS, with antenna height TBD AP Type {HEW} STAs location STAs are placed randomly in a BSS at a minimum distance TBD from the AP in X-Y plane [TBD=1m]
In order to focus this scenario on the issues related to high density, the channel model is considered as a large indoor model (TGn F). Note that robustness to outdoor channel models, which is also a requirement for some usage models in category 1 (like outdoor stadiums), is captured in the outdoor large BSS scenario. It is important to define a proportion (TBD %) of legacy devices in the scenario that won’t implement the proposed solution evaluation to ensure that the solution will keep its efficiency in real deployments (some solutions may be sensitive to the presence of legacy devices while other won’t). These legacy devices shall simply keep the baseline default parameters and shall not implement the proposed solution under evaluation. Those devices can be: STAs connected to the planned network APs and STAs part of the interfering network Parameter Value Topology (A) Figure 6 - BSSs layout (partial) Figure 7 - Layout of BSSs using the same channel in case frequency reuse 3 is used Environment description BSSs are placed in a regular and symmetric grid as in Figure 6 for frequency reuse 1 and Figure 7 for frequency reuse 3. Each BSS in Figure 6 has the following configuration: BSS radius: R meters (7m [#1248] / 12m [Stadium, #722,#1079] TBD) Inter BSS distance (ICD): 2*h meters h=sqrt(R2-R2/4) [R=7m] APs location AP is placed at the center of the BSS, with antenna height TBD AP Type {HEW} STAs location STAs are placed randomly in a BSS at a minimum distance TBD from the AP in X-Y plane [TBD=1m]
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