Changes between Version 17 and Version 18 of Projects/Mango_MobiCom_2014_Demo


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Timestamp:
Sep 15, 2014, 3:26:15 PM (10 years ago)
Author:
chunter
Comment:

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  • Projects/Mango_MobiCom_2014_Demo

    v17 v18  
    1111Conference attendees join the open AP with their personal Wi-Fi clients (e.g. smartphones/tablets) and use the AP to access the Internet. Once the association process with the AP is complete, the 16-antenna array of WARP boards begins to overhear transmissions from the conference attendees' Wi-Fi clients. The [wiki:802.11/PHY#ReceiverArchitecture OFDM Receiver] in each array element's PHY automatically estimates the channel between the conference attendees' devices and itself. These channels are learned via the two LTS symbols in the preamble of every transmission from the Wi-Fi clients.
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