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EE 474: Antennas and Propagation Fall 2015
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Instructor Information Zhengqing (ZQ) Yun Hawaii Center for Advanced Communications (HCAC) Office: POST 201B Phone: 6-0759 Email: zyun@hawaii.edu http://www-ee.eng.hawaii.edu/~zqyun/courses/ee47415.html
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Time and Location Monday, Wednesday, and Friday 12:30 - 1:20pm Holmes 248
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Prerequisites EE 371 or instructor approval
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Office Hours 1:30 - 2:30pm, M, W, F, or by appointment
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Grading Homework, quizzes: 30% One midterm: 30% Final exam: 40%
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Textbooks Iskander: Electromagnetic Fields and Waves Balanis: Antenna Theory Bertoni: Radio Propagation for Modern Wireless Systems Others: John Krauss, Warren Stutzman, etc.
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Contents EM Field and Waves: Maxwell's Equations Polarization Vector Potentials Radiation Near/Far-field concept Antenna Parameters: Radiation Pattern Power Density, Intensity Beamwidth, Directivity, Gain, Efficiency, Bandwidth Input Impedance Linear Antennas: Infinitesimal and Short Dipoles Linear Wire Antennas Half-Wavelength Dipoles Ground Effects Loop Antennas: Circular Loop Antennas Other shapes Array Antennas: Sum of Coherent Waves Two-Element Arrays N-Element Arrays Design Procedure
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Contents Integral Equations and Numerical Method: Integral Equations Method of Moments Self- and Mutual-Impedance Broadband and Frequency Independent Antennas: Biconical Antennas Spiral Antennas Log Periodic Antennas Fractal Antennas Aperture and Horn Antennas: Huygens Principle Rectangular Aperture Circular Aperture Fourier Transform and Applications Edge Effect Due to Diffraction Reflector Antennas: Plane Reflector Corner Reflector Parabolic Reflector Microstrip Antennas: Patches Circular Polarization
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Contents Radio Propagation for Wireless Communications: Wireless Communications Links and Cellular Systems Large-scale path loss Small-scale fading and multipath Free Space Propagation Empirical Propagation Modeling Ray-Tracing and Applications for Site-Specific Propagation Prediction: Background Ray Tracing Algorithms New efficient ray tracing methods Propagation modeling in urban environments Ray tracing in atmosphere Exploitation of geospatial resources for propagation prediction: NASA's WorldWind; Microsoft's Virtual Earth; Google Earth Ray tracing in Google Earth
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Course objectives Understanding fundamental concepts: Radiation of EM field Propagation of EM waves Near/far field Understanding basic antenna parameters Understanding how various antennas work Understanding basic antenna design principles Further understanding of EM Waves
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