| A simple analytical model for the energy-efficient activation of access points in dense WLANs Recent countries visiting this post |  |
 | 7 | United States |
 | 6 | United Kingdom |
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| A simple analytical model for the energy-efficient activation of access points in dense WLANs Recent countries visiting this post | |
| 7 | United States |
| 6 | United Kingdom |
| 5 | |
| 1 | China |