Comparison between Galileo CBOC Candidates and BOC(1,1) in Terms of Detection Performance

Table 2

Carrier to noise ratio degradation. Comparison for CBOCs and BOC(1,1) modulations.

Modulation	Resolution [chip]	C/No @ Pd = 0.9 [dB-Hz]	Degradation w.r.t BOC(1,1) [dB-Hz]
BOC(1,1)	0.125	41.25	—
CBOC(6,1,1/11)	0.125	41.50	0.25
CBOC(6,1,4/33)	0.125	41.69	0.44
BOC(1,1)	0.25	42.95	—
CBOC(6,1,1/11)	0.25	43.78	0.83
CBOC(6,1,4/33)	0.25	44.21	1.26
BOC(1,1)	0.5	48.10	—
CBOC(6,1,1/11)	0.5	48.55	0.45
CBOC(6,1,4/33)	0.5	48.80	0.7