function [load_base_rate, rotate_bpsk, load_htstf, load_htltf, load_full_rate, pilot_shift, cyclic_prefix, cyclic_shift] = sym_config_decode(sym_cfg) %Inputs: % sym_cfg: OFDM sym config code, concatenated configuration fields % Sym Config fields: % 0: Load Base Rate - base-rate in 48 subcarriers (SIGNAL/HT-SIG fields) % 1: Rotate BPSK - use QBPSK (+/- j) (HT-SIG fields) % 2: Load HT-STF - no data bits % 3: Load HT-LTF - no data bits % 4: Load Full Rate - full-rate in 48 (a/g) or 52 (n/ac) subcarriers % 6:5: Pilot shift (0,1,2,3) % 7: Reserved % 12: 8: Cyclic prefix length (samples) % 15:13: Cyclic shift (samples) %xl_slice(arg, from_bit, to_bit); bits indexed from LSB=0 % '==1' is quick conversion to boolean load_base_rate = xl_slice(sym_cfg, 0, 0) == 1; rotate_bpsk = xl_slice(sym_cfg, 1, 1) == 1; load_htstf = xl_slice(sym_cfg, 2, 2) == 1; load_htltf = xl_slice(sym_cfg, 3, 3) == 1; load_full_rate = xl_slice(sym_cfg, 4, 4) == 1; pilot_shift = xl_slice(sym_cfg, 6, 5); cyclic_prefix = xl_slice(sym_cfg, 12, 8); cyclic_shift = xl_slice(sym_cfg, 15, 13);