Adaptive Interference Nulling and Direction of Arrival Estimation in GPS Dual-Polarized Antenna Receiver - Adaptive Signal Processing in Wireless Communications - page 430

6

µ = 0.00005
µ = 0.000005

4

2

0

-2

-4

-6

-8

-10

-12

0 500 1000 1500 2000

Number of snapshots

2500 3000 3500 4000

FIgure 14.12 Output power at the GPS receiver for each snapshot with different step sizes.

0.8

LMS
Optimum

0.78

0.76

0.74

0.72

0.7

0.68

0.66

0 500 1000 1500 2000

Number of snapshots

2500 3000 3500 4000 4500

FIgure 14.13 The adaptively obtained and optimum weight at the first beamformer for

each iteration.