| 1 |
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Antenna fundamentals. Radiation from Hertz dipole and linear dipole antenna. |
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| 2 |
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Fundamental antenna concepts; gain, directivity, radiation pattern, polarization, effective receiving area and effective antenna height. Impedance and polarization matching. Friis transmission formula. |
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| 3 |
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Receiver noise and communications link budget. Receiver noise. Noise figure and equivalent noise temperature of cascaded receiver components. Antenna noise temperature. Receiver signal-to-noise ratio. |
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| 4 |
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Channel modeling for mobile communications. Propagation impairments; attenuation, reflection, diffraction, tropospheric refraction, ducting, atmospheric noise. Free space and line-of-sight propagation. Fresnel zones. Knife-edge diffraction. |
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| 5 |
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Reflection and scattering from earth?s surface. Propagation over flat and spherical earth. Surface roughness, tropospheric propagation. Introduction to multipath propagation. Outdoor channel modeling; Hata and COST 231 models. |
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| 6 |
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Indoor channel modeling; signal penetration into buildings. Atmospheric effects in terrestrial links; signal attenuation, noise and distortion effects. Atmospheric absorption, rain attenuation. Antenna noise. |
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| 7 |
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Cellular radio systems. Fundamental concepts of cellular radio systems, GSM architecture, GSM frame structure, power control. Speech coding in GSM. |
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| 8 |
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MID-TERM EXAM |
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| 9 |
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Frequency-reuse, cluster size, handover, co-channel interference, cell-sectorization, cell-splitting, antenna tilting. |
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| 10 |
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Adaptive antennas; switch beam vs. adaptive beamforming. Statistical analysis of co-channel interference due to fading and shadowing. Statistical analysis of cell coverage. |
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| 11 |
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Traffic calculations: Erlang-B and Erlang-C formulas. Cell capacity. |
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| 12 |
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Introduction to 3G systems. Introduction to CDMA; PN sequences, variable spreading. Multi-user interference and capacity of CDMA systems |
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| 13 |
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Beyond 3G systems. Introduction to OFDM and OFDMA. HSPA and LTE technologies. |
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| 14 |
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Preparation for Final exam |
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| 15 |
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Preparation for Final exam |
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| 16 |
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FINAL EXAM |
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| 17 |
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FINAL EXAM |
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