Page 137 - Antennas for Base Stations in Wireless Communications

110 Chapter Three

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0 Vertical plane co-pol
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(a)
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(b)
Figure 3.10 Measured radiation patterns of the 90° linearly polarized antenna array with
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slotted sidewalls at (a) 0.824 GHz, (b) 0.892 GHz, and (c) 0.96 GHz (© 2005 IEEE)