Using eigentheory, it is shown how up to n unknown independent narrowband signals arriving from different directions at an array of n antenna elements can be separated into n channels where each channel contains primarily one signal. An expression for the signal-to-interference ratio (SIR) on eachoutput channel is determined analytically and evaluated for many illustrative cases. The results show that in most cases the SIR is + 10 dB or greater; only when two signals arrive within a few degrees of each other does the SIR fall substantially below 0 dB.
Adaptive Arrays Can Be Used to Separate Communication Signals
IEEE Transactions on Aerospace and Electronic Systems ; AES-17 , 2 ; 234-247
1981-03-01
1962227 byte
Article (Journal)
Electronic Resource
English
Communication Application of Adaptive Arrays
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