By Victor Rabinovich
This ebook throws a lifeline to designers wading via mounds of antenna array patents trying to find the main appropriate structures for his or her initiatives. significantly decreasing the examine time required to find suggestions to the newest demanding situations in automobile communications, it varieties and systematizes fabric on state of the art antenna arrays that characteristic multi-element communique platforms with huge, immense power for the car industry.
These new platforms promise to make riding more secure and extra effective, establishing up myriad functions, together with vehicle-to-vehicle site visitors that forestalls collisions, computerized toll assortment, motor vehicle place and fine-tuning for cruise keep an eye on platforms. This book’s exhaustive assurance starts off with at present deployed platforms, frequency levels and key parameters. It proceeds to ascertain approach geometry, analog and electronic beam guidance know-how (including "smart" beams shaped in noisy environments), maximizing signal-to-noise ratios, miniaturization, and base station expertise that enables in-car connectivity whereas at the circulate. an important advisor for technicians operating in a fast-developing box, this new quantity could be warmly welcomed as a robust relief of their endeavors.
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Extra info for Antenna Arrays and Automotive Applications
Thiel D (2004) Switched parasitic and controlled reactance parasitic antennas: a systems comparison. Antennas and propagation society international symposium, 2004 IEEE, pp 3211–3214 38. Hansen R (2009) Phased array antennas. Wiley, New York 39. Monzingo R et al (2009) Introduction to adaptive arrays, 2nd edn. SciTech, Perth 40. Primak S, Kantorovich V (2011) Wireless multi-antenna channels: modeling and simulation. 1 Introduction Any electronic system with an antenna array consists of two or more antenna elements, beam forming network, and a receiver or transmitter.
The broadside directivity of the linear array factor with amplitude distribution In and equal phases for all elements is given by [19, 20]. 28 2 Typical Array Geometries and Basic Beam Steering Methods Fig. 2 Linear Array Factor for Equally Spaced Elements 29 to the edges. When the distance between the array elements is equal to half of the wavelength, gtaper is given by gtaper ¼ N P 2 In n¼1 NÁ P In2 ð2:9Þ For a uniform amplitude distribution, excitation efficiency is equal to 1. 7 dB). 4 shows simulation result examples of the linear array factor with the number of elements N = 8, interelement spacing equal to half of the wavelength, and different non-uniform amplitude distribution functions (normal to the array (direction z) corresponds to the angle 0°).
In: Proceedings VTS 2002-Fall, IEEE 56th Vehicular Technology Conference pp 1096–1099 13. Khaleghi A et al (2005) Diversity techniques with dipole antennas in indoor multipath propagation. In: IEEE 16th international symposium on personal, indoor and mobile radio communication pp 669–673 14. Monzingo RA, Miller TW (2005) Introduction to adaptive arrays, SciTech Publishing 15. Robert C Hansen (2009) Phased array antennas, 2nd edn. Wiley, New York 16. Shen W et al (2007) A compact high performance linear series-fed printed circuit antenna array.