notesum.ai

Published at December 10

cs.NI

eess.SP

Released Date: December 10, 2024

Authors: Kaiqiang Lin¹, Yijie Mao¹

Aff.: ¹ShanghaiTech University

Parameters	Values
Operation Environments [11, 4]
Total time block ( $T$ )	1 s
Deployment radius ( $R$ )	5 m
Number of UDs ( $N$ )	var (64 by default)
Height of PS and AP ( $H$ )	1.5 m
Burial depth ( $d_{u}$ )	var (0.4 m by default)
VWC ( $m_{v}$ )	var (0.1 by default)
Clay ( $m_{c}$ )	38%
Radio Configuration [11, 4]
Carrier center frequency ( $f_{c}$ )	433 MHz
Bandwidth ( $B$ )	125 KHz
Antenna gains of PS, UDs and AP	0 dBi
Transmit power of PS ( $P_{P}$ )	30 dBm
Backscatter coefficient ( $\eta_{n}$ )	0.6
Energy conversion efficiency ( $\varphi_{n}$ )	0.6
Noise power ( $\sigma_{n}$ )	-117 dBm
Demodulated SNR threshold ( $\gamma$ )	-20 dB
Number of RIS’s reflecting elements ( $K$ )	var (25 by default)
Path loss exponents of PS-to-RIS, RIS-to-UDs, UDs-to-RIS, and RIS-to-AP links	2
Path loss exponents of PS-to-UDs and UDs-to-AP links	3.2