Multiple Gate Delay Tracking Structures for GNSS Signals and Their Evaluation with Simulink, SystemC, and VHDL

Table 4

Optimum coefficient pairs 𝑎_𝑖. 𝑁_𝑔=3. BPSK signal (GPS). Minimum early-late spacing Δ₁ is given in chips.

	pow𝑛𝑐=1
	unif. spacing			decr. spacing
	𝑎1	𝑎2	𝑎3	𝑎1	𝑎2	𝑎3
Δ1=0.05	1	−0.5	0.0	1	−0.4	−0.2
Δ1=0.1	1	−0.5	0.0	1	−0.9	0.2
Δ1=0.15	1	−0.5	0.0	1	−0.2	−0.4
Δ1=0.2	1	−0.5	0.0	1	−0.9	0.2
Δ1=0.25	1	−0.5	0.0	1	−1.0	0.3
Δ1=0.3	1	−0.5	0.0	1	−0.9	0.2
Δ1=0.35	1	−0.5	0.0	1	−1.0	0.3
	pow𝑛𝑐=2
	unif. spacing			decr. spacing
	𝑎1	𝑎2	𝑎3	𝑎1	𝑎2	𝑎3
Δ1=0.05	1	−0.5	0.0	1	−0.2	−0.4
Δ1=0.1	1	−0.8	0.2	1	−0.8	0.1
Δ1=0.15	1	−0.4	−0.1	1	−0.9	0.2
Δ1=0.2	1	−0.8	0.2	1	−0.7	0.0
Δ1=0.25	1	−0.7	0.1	1	−0.7	0.0
Δ1=0.3	1	−0.7	0.1	1	−0.6	−0.1
Δ1=0.35	1	−0.7	0.1	1	−0.5	−0.2