Antenna Principles for Mobile Communications （经典 ）

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目录：
3.1 Polarization P - 5
3.2 Radiation Pattern P - 5
3.3 Half-Power-Beam-Width P - 5
3.4 Gain P- 6
3.5 Impedance P - 6
3.6 VSWR/Return Loss P - 6
3.7 Mechanical features P - 6


4.1 Omnidirectional Antennas P - 7
4.1.1 Groundplane and l/4-Skirt Antennas P - 7
4.1.2 Side-mounted Omnidirectional Antennas P - 7
4.1.3 Omnidirectional Gain Antennas P - 7
4.2 Directional Antennas P - 8
4.2.1 Gain Achieved via Horizontal Beaming P - 8
4.2.2 End-fire Array P - 8
4.2.3 Broadside Array P - 8
4.2.4 Antenna Systems P - 9

5. Particular Techniques used in GSM and DCS 1800 P - 10
5.1 Diversity P - 10
5.1.1 Space Diversity P - 10
5.1.1.1 Omni-Base Station P - 11
5.1.1.2 Sectored Base Station P - 11
5.1.2 Polarization Diversity P - 11
5.1.2.1 Horizontal and Vertical Polarization P - 11
5.1.2.2 Polarization +45°/-45° P - 12
5.2 Indoor Antennas P - 12

6. Car Antennas P - 13
6.1 l/4 Antenna on the Car Roof P - 13
6.2 Gain Antennas P - 14
6.3 Rear Mount Antennas P - 14
6.4 Screen Surface Direct Mounting Antennas P - 15
6.5 Clip-on Antennas P - 15
6.6 Electrically Shortened Antennas P - 15
6.7 Train Antennas P - 16

7. Antennas for Portables P - 17
7.1 l/4 Antennas P - 17
7.2 l/2 Antennas (Gainflex) P - 17
7.3 Electrically Shortened Antennas P - 18
7.4 Field Strength Measurements P - 18



【文件名】:061128@52RD_Basic Antenna Principles for Mobile Communications.pdf
【格　式】:pdf
【大　小】:996K
【简　介】:
【目　录】:

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