OFDM Generation

→ fourier transform to one signal (IQN)

→ Peaks are the bits

802.11 OFDM Burst Packet

Preamble (for syncing), SIGNA,L DATA

Channel State Information

stacked subcarreier

ratio of TX and RX signal

No of Antenas define matrix (N and M size)

Multipath of RF Signal - requires decoding due to distortion/bouncing off buildings and time delay/Type of antenna/Sync clock

Heatmap of locating people

  1. CSI Sanitation
    1. Amplitude and phases
    2. Filters - median, uniform and linear
  2. En-deco network
    1. Phase and Amp feature fusion
  3. Densepose-RCNN