Large Public Venues

Wi-Fi Deployment at Power Plant Live in Baltimore

By July 3, 2017 No Comments


Cordish Properties wanted to deploy Wi-Fi in their outdoor venue in Baltimore called Power Point Live. The Venue has a lot of restaurants and is also host to a lot of live music events and concerts. Free OPEN WiFi is provided to visitors. This is a high density venue (LPV) and the WiFi network needs to be able to affectively handle the traffic.

Customer Requirements at a high level:

  1. Provide Outdoor Wi-Fi coverage throughout the Venue.
  2. Support users throughout the Venue that may potentially associate to the WiFi network at its peak.
  3. Interface with a Cloud Analytics Solution of their choice to provide a custom splash page which allows for social logins or sign-ins using Email address.
  4. Provide Passerby traffic information to the cloud portal using an Open API on the Controller.

Proposed Solution & Deployment:

  1. The Samsung WEC8500 controller was proposed to be able to handle the stated capacity. The controller scales up to 20,000 connected stations.
  2. The Samsung WEA 453e Outdoor Aps were proposed to be deployed along with external antennas from Ventev. Below is an AP deployed at the venue with a 6dbi gain 3 lead patch antenna from Ventev with N style connectors. No enclosures were proposed as the AP is IP 67 certified.
    1. Capacity planning was done based on the below criteria
      1. Total number of people in the venue
      2. Percentage of Associations.
      3. Percentage of Active connections.
      4. AP association count per radio.
      5. Proportional Band steering parameters.
      6. Client device capability (Single Stream/2 Stream) Assumption included more single stream Smartphones.
      7. Bandwidth requirements based on application (social media/Streaming video/web traffic etc.)
    2. 20 Mhz channels are used on both 2.4 and 5Ghz along with the use of DFS channels.
    3. 80211a basic data rate set at 18MBPS (lowest broadcast and multicast rate) and TX rates are at 18 24 36 48 54
    4. 80211bgn basic data rate set at 11 24 and TX rates are set at 18 24 36 48 54.
    5. High beacon rates are used to reduce airtime overhead.
    6. Probe request thresholds are set to 20 db (SNR) to respond to probes from nearby clients.
    7. 11k is enabled on the WLAN to exchange neighbor reports, beacon reports and link measurement reports with the clients.
    8. The WLAN is configured as an OPEN network with WEB AUTH with external redirect to cloud analytics provider.
    9. Broadcast/Multicast traffic is filtered at the Controller globally and selectively enabled only on WLANs that need it.
    10. The Multicast to Unicast traffic feature eliminates unnecessary chatty multicast traffic from the RF. (Multicast Optimization)
    11. Band Steering is configured to steer client devices to 5GHZ along with proportional band steering settings that allow 75 percent of connections on 5gHz and 25 percent on 2.4 ghz. This ways both radios are utilized.
    12. Load balancing feature is enabled on the Aps to dynamically load balance Wi-Fi clients to the Aps within the same RF neighborhood on underutilized channels. The Samsung controller monitors the clients associated to each radio and load balances them if the following is true.
      1. The number of devices on a radios is greater than the threshold.
      2. The device SNR on a radio with lesser load is higher than the load balancing SNR threshold.












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