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Signal strength-AP vs. CPE |
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Written by djhurt1
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Saturday, 12 August 2006 |
"How are you guys ensuring a good signal strength at the AP? What I have is a client, my first install, that has -70db at their CPE, but the AP is recieving at -85db at times. So, obviously I did not align the antenna correctly to ensure solid signal at the AP. So, the only way I can think of to ensure a good signal both ways, is to log into the AP from the subscribers CPE once installed? Is there any tips to ensure a better rx at the AP end?"
BurstNET:
This can be caused by interference or bad cabling as well.
djhurt1:
I was just looking for something I hadn't thought of. Guess there really isn't any other way other than to check at the AP for signal quality. Cabling is good, I just didn't aim it to get a good signal at the AP, only a good RX signal.
LLigetfa:
There are several factors to consider.
Disparity in IERP between AP and CPE. In most cases the AP EIRP varies from the CPE. The EIRP on the AP is one-setting-for-all whereby radio power may need to be adjusted on the CPE.
LOS. The fresnel zone near the AP is almost certainly clear given that it would be high on a tower but at the CPE it could be very different. Obstructions near the transmitter (CPE) tend to scatter the signal worse than obstructions near the receiver.
Original thread location |
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