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Table 1 Common parameters for the simulation, [[2],[3]]

From: Eigenvector-based initial ranging process for OFDMA uplink systems

Parameters HR, MUSIC, ESPRIT Zadoff-Chu sequence
Sampling frequency 15.36 MHz 15.36 MHz
Total number of subcarriers 1,024 2,048
Number of OFDM symbols (M) 5 2
Each ranging symbol length
Total ranging symbol length 5.675N T =425.625 μs 5.5N T =412.5 μs
Total number of ranging subchannels (R) 4 1
Number of tiles/ranging subchannel (Q) 3 1
Number of subcarriers/tile (V) 6 144
Total number of ranging subcarriers (RQV) 72 144
Timing offset range [0, 114] samples [0, 114] samples
Frequency offset range [ -300, 300] Hz [ -300, 300] Hz