Doppler Effect-Based Automatic Landing Procedure for UAV in Difficult Access Environments

Table 1

Location coordinates of RBs and frequencies of signals emitted by them.

th RB	(m)	(m)	(m)	(kHz)	Notes
1	20	20	2	2,399,800	Harmonic signal
2	20	−20	2	2,399,850	Harmonic signal
3	−20	−20	2	2,399,900	Harmonic signal
4	−20	20	2	2,400,100	DPSK; RB + MR