4.3.1. Suppose the data sequence 0111 1100 0101 is to be transmitted via a line code. In each
part below give the output as a sequence of +, −, and 0 symbols as appropriate. If the
line code uses midsymbol transitions, use two such symbols per bit of data; if not, use one.
(a) Bipolar NRZ-L.
(b) Bipolar NRZ-M (start with +).
(c) Bipolar NRZ-S (start with +).
(d) Unipolar NRZ-L.
(e) Bipolar RZ-L.
(f) Unipolar RZ-L.
(g) RZ-AMI (start with +).
(i) Biphase-M (start with −).
(j) Biphase-S (start with −).
(k) Delay modulation (start with +).
(l) Dicode NRZ (start with −).