Consider a cellular system with operating frequencies around fc = 700 MHz, under the free-space path loss model, how much received power is lost when the operating ?frequency is changed to 180O MHz 2.8dB O 8.2 O 8.2dB 2.8 O The condition of circular polarization is

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Consider a cellular system with operating
frequencies around fc = 700 MHz, under
the free-space path loss model, how much
received power is lost when the operating
?frequency is changed to 180O MHz
2.8dB O
8.2 O
8.2dB
2.8 O
The condition of circular polarization
* .is
Ex=Ey O
phase angle 90 O
Ex=Ey and phase angle =+90 or -90
Ex=Ey and phase angle =-180 O
Transcribed Image Text:Consider a cellular system with operating frequencies around fc = 700 MHz, under the free-space path loss model, how much received power is lost when the operating ?frequency is changed to 180O MHz 2.8dB O 8.2 O 8.2dB 2.8 O The condition of circular polarization * .is Ex=Ey O phase angle 90 O Ex=Ey and phase angle =+90 or -90 Ex=Ey and phase angle =-180 O
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