Q. Orthogonal vectors are

View solution

Q. In orthogonal signalling as k increase there is

View solution

Q. In non orthogonal signalling as k increases there is

View solution

Q. In orthogonal signal, all cross correlation coefficients are

View solution

Q. The smaller the cross correlation, the ______ is the distance between the signal vectors.

View solution

Q. Hadamard matrix is given as

View solution

Q. Biorthogonal set consists of

View solution

Q. Which codes perform better?

View solution

Q. Biorthogonal codes needs ________ bandwidth as orthogonal codes.

View solution

Q. Transorthogonal code is obtained by

View solution

Q. Which code requires minimum Eb/N0?

View solution

Q. Structured sequences are

View solution

Q. In binary symmetric channel, in the demodulator _____ decision is made.

View solution

Q. In Gaussian channel demodulator ______ decision is made.

View solution

Q. Which decoders are less complex?

View solution

Q. The ratio of redundant bits to data bits is called as

View solution

Q. If the parity bit takes value one then the summation of code-word gives

View solution

Q. The summation operation is performed using _____ logical operation.

View solution

Q. The probability of message error is written as

View solution

Q. In a real time communication system addition of redundant bits leads to

View solution