Ranging Performance of the IEEE 802.15.4a UWB Standard under FCC/CEPT Regulations

Table 2

Link budget.

Parameter		Values
Pulse energy (incl. GTX)	𝐸𝑝	−116.38 dBWs
Preamble energy	𝐸pr	−74.31 dBWs
Free space loss at 1 meter	𝐿fs	−45.5 dB
Receiver antenna gain	𝐺RX	0 dBi
Received LOS component energy	𝐸Los	−119.81 dBWs
Noise spectral density	𝑁0	−198.93 dBW/Hz
Implementation loss	𝐿imp	4 dB
Fading margin	𝑀𝐹	3 dB
Receiver input SNR	𝐸LOS/𝑁0(1 m)	72.12 dB