mohamad
2010-06-06, 07:12 PM
Dear all friends,
I design a MW radio network with 6 links. One end of these links is in same location. I assign some frequency channels to these links and do interference calculation with Pathloss. All frequency channels are in 7GHz band. With my frequency channel arrangement, threshold degradation in all links is below 1 dB level.
Everything is OK but in worksheet module of a link flat fade margin is degraded harmfully. Full report of this link contains following items:;
Site A, Site B
RX signal (dBm) -36.46 , -36.46
Thermal fade margin (dB) 33.04 , 33.04
Number of exposures 1 , 2
Interference fade margin - multipath (dB) 41.17 , 18.19
Flat fade margin - multipath (dB) 32.42 , 18.05
I change frequency channels of this link to another band but worksheet doesn't change and I achieve same result.
What is the problem? I am confused.
Can anyone help me about this issue?
Thanks a lot,
Mohamad
I design a MW radio network with 6 links. One end of these links is in same location. I assign some frequency channels to these links and do interference calculation with Pathloss. All frequency channels are in 7GHz band. With my frequency channel arrangement, threshold degradation in all links is below 1 dB level.
Everything is OK but in worksheet module of a link flat fade margin is degraded harmfully. Full report of this link contains following items:;
Site A, Site B
RX signal (dBm) -36.46 , -36.46
Thermal fade margin (dB) 33.04 , 33.04
Number of exposures 1 , 2
Interference fade margin - multipath (dB) 41.17 , 18.19
Flat fade margin - multipath (dB) 32.42 , 18.05
I change frequency channels of this link to another band but worksheet doesn't change and I achieve same result.
What is the problem? I am confused.
Can anyone help me about this issue?
Thanks a lot,
Mohamad