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Hi I need to know output of convolutional encoder for K = 7 means (6 memory elements), output with corresponding (transition) states. I could found this for K = 3 (means 2 memory elements) with 4 states and 4 different outputs and in other way 8 possible outputs which are written on arrows leading from one stage of trellis to another trellis stage. Its dimension should be 64 x 2 which means 64 rows and 2 columns. In other words, I want to see/create one complete trellis stage (64 states) with corresponding outputs. I need to know this because I want to calculate Euclidean distance of these outputs and received values. By using polynomial description, I know its possible to calculate output or next states etc but it's a very lengthy process. I have seen Matlab's function "poly2trellis" but "trellis.outputs" is also not useful for me. Please help me if anyone can. Thank you in advance.

Sorry for the late response. Fortunately, the convolutional encoder is relatively simple. The basic idea is to have a number of states, which are basically a shift register, and the output are simply the "XORing" of those states. The output is usually represented by a polynomial. The powers of this polynomial dictates which state, or memory location, is used by the output, i.e. it'll be the input of the XOR gate. Now I got a bit confused with your question here, do you mean that you have 7 or 64 states, and does the columns represent? The matlab function you mentioned is useful when you like to see the trellis representation of you encoder, which I don't think you need in your case to calculate the output and the new state.