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Interference Analysis 1. UNDERSTANDING INTERFERENCE EFFECT IN COMMUNICATION
 

Summary: Interference Analysis
1. UNDERSTANDING INTERFERENCE EFFECT IN COMMUNICATION
SYSTEMS
a. Noise effect
The objective of this part is to understand noise (AWGN) effect on the receiver
Following items can be observed:
Constellation diagram and EVM with various levels of transmitted power
BER Vs. SNR
b. Interference analysis
Interference can be categorized in terms of:
- Band relative to the message signal: in/out of band (usually called: adjacent-ch/co-ch
interference ACI/CCI),
- Interference intention: intentional/non-intentional interference,
- Bandwidth relative to message bandwidth: narrow/large band interference,
- Intention to follow/avoid the message signal: Cognitive/non-cognitive interference,
Possible tests are:
Multiple ESG generate co-channel and ACI with various power levels. The
analyzer observes the system parameters and effect of interference in the system
while varying different parameters (interference BW (symbol rate, and roll-off
factor), interference carrier, interference power...)

  

Source: Arslan, Hüseyin - Department of Electrical Engineering, University of South Florida

 

Collections: Engineering