Antennas for Base Stations in Wireless Communications by Zhi Ning Chen

By Zhi Ning Chen

Layout Antennas for contemporary instant Communications Systems
Written by way of an international staff of specialist participants, this e-book deals entire information at the wide selection of antennas utilized in brand new instant verbal exchange networks. assurance comprises the preferred purposes in WWAN (GSM, CDMA, and WCDMA), WLAN (Bluetooth and WiFi), WMAN (WiMAX), and WPAN (UWB and RFID).

Antennas for Base Stations in instant Communications offers an entire photograph of contemporary base station antenna technology--from basics and parameters to engineering and complex solutions--and highlights new applied sciences in antenna layout with superior functionality. Real-world case stories give you useful examples that may be utilized for your personal process designs.

• practice dimension thoughts for varied parameters
• allow frequency re-use and channel means optimization in cellular radio networks
• layout antennas for cellular communications-CDMA, GSM, and WCDMA
• enforce complicated antenna applied sciences for GSM base stations
• Facilitate stronger approach capability
• layout unidirectional antennas, together with directed dipole, wideband patch, and complementary antennas
• Optimize antenna designs for WLAN (WiFi) applications
• layout antennas for instant own quarter community (WPAN) functions, together with RFID and UWB

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S. Drabowitch, A. Papiernik, H. D. Griffiths, and J. Encinas, Modern Antennas, 2nd edition, New York: Springer, 2005. 3. J. de Kraus and R. J. Marhefka, Antennas for All Applications, 3rd edition, New York: McGraw-Hill Science/Engineering/Math, 2001. 4. W. L. Stutzman and G. A. , 1981. 5. ANSI/IEEE Standard Test Procedure for Antennas, ANSI/IEEE Std 149, New York: John Wiley Distributors, 1979. 6. Richard C. Johnson and Henry Jasik, Antenna Engineering Handbook, 2nd edition, New York: McGraw-Hill Book Company, 1984.

N. Chen, M. Y. W. Chia, and C. L. Lim, “A stacked suspended plate antenna,” Microwave and Optical Technology Letters, vol. 37, no. 5 (June 5, 2003): 337–339. 21. P. K. Panayi, M. Al-Nuaimi, and L. P. Ivrissimtzis, “Tuning techniques for the planar inverted-F antenna,” IEE National Conference on Antennas and Propagation, no. 461 (30 March–1 April 1999). 22. M. Tong, M. Yang, Y. Chen, and R. Mittra, “Design and analysis of a stacked dualfrequency microstrip planar inverted-F antenna for mobile telephone handsets using the FDTD,” IEEE Antennas and Propagation Society International Symposium, vol.

23) As defined before, erefl is the reflection efficiency, and ecd includes the dielectric and conduction efficiency. The term eeff is the total antenna efficiency factor. Taking into account polarization effects in the antenna, we can also define the partial gain of an antenna for a given polarization as that part of the radiation intensity corresponding to a given polarization divided by the total radiation intensity of an isotropic antenna. 25) The terms Uq and Uf represent the radiation intensity in a given direction contained in their respective E-field component.

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