By Xiaodong Chen, Clive G. Parini, Brian Collins, Yuan Yao, Masood Ur Rehman
Chapter 1 basics of GNSS (pages 1–19):
Chapter 2 primary issues for GNSS Antennas (pages 21–40):
Chapter three satellite tv for pc GNSS Antennas (pages 41–53):
Chapter four Terminal GNSS Antennas (pages 55–80):
Chapter five Multimode and complicated Terminal Antennas (pages 81–110):
Chapter 6 Terminal Antennas in tough Environments (pages 111–148):
Chapter 7 Human consumer results on GNSS Antennas (pages 149–180):
Chapter eight cellular Terminal GNSS Antennas (pages 181–206):
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Additional info for Antennas for Global Navigation Satellite Systems
G. , ‘Modeling of a complex beam forming network for a phased array antenna’, Second European Conference on Antennas and Propagation (EuCAP), 2007. 7. G. S. ‘Full-wave modelling of the antenna for the Galileo satellite’, Second European Conference on Antennas and Propagation (EuCAP), 2007. 8. CST Microwave Studio (CST MWS) from Computer Simulation Technology. 9. , Antennas for all Applications, McGraw-Hill, New York, 2002. 10. , ‘Passive intermodulation and its effect on space programs’, IEE Colloquium on Screening Effectiveness Measurements, 1998.
Order to achieve the same limit of coverage angle for both bands the design has to accept a large gain dip at boresight for the upper band performance. Of particular importance to a GNSS navigation beam is the group delay variation across the coverage zone, which can be calculated from the phase pattern in the coverage region at several frequencies within the operating band . 7 for the low band of Galileo (see also ), calculated using a simulated radiation pattern, the result showing a total variation that will manifest as a pseudo-range error of around 30 mm across the coverage region .
Between the metallic layers is a lightweight foam spacer, and each coaxial feed point includes a capacitive gap to improve matching. 4 . 2 Flight model of Galileo navigation antenna array. Taken from ; copyright EurAAP; used with permission. the signal transit time. The type A and B subarrays have their own beamformers and are fed by a central power divider (1:6) splitter with unequal arm lengths to implement sequential rotation  of the subarray feed elements (60◦ rotation and phase difference between adjacent subarrays).