For a M-ary signal or symbol the number of likelihood functions are
A. M
B. M+1
C. M-1
D. 2M
Answer:A
For a M-ary signal or symbol the number of likelihood functions are
A. M B. M+1 C. M-1 D. 2M
Explanation: For a M-ary signal there will be M likelihood functions representing M signal classes to which a received signal might belong.