Title :
Efficient decoding of space-time Hadamard codes using the Hadamard transform
Author :
Lusina, Paul ; Gabidulin, Ernst M. ; Bossert, Martin
Author_Institution :
Dept. of Telecommun. & Appl. Inf. Theory, Ulm Univ., Germany
Abstract :
We introduce the concept of transforming a space-time code into an equivalent code space which reduces the maximum-likelihood trellis decoding complexity. This concept is illustrated using the space-time Hadamard (STH) code construction
Keywords :
Hadamard codes; Hadamard transforms; Rayleigh channels; channel coding; computational complexity; maximum likelihood decoding; trellis codes; Hadamard transform; Rayleigh channel; decoding complexity reduction; equivalent code space; maximum-likelihood trellis decoding; space-time Hadamard codes; AWGN; Additive white noise; Constellation diagram; Eigenvalues and eigenfunctions; Error correction; Error correction codes; Information theory; Maximum likelihood decoding; Rayleigh channels; Space time codes;
Conference_Titel :
Information Theory, 2001. Proceedings. 2001 IEEE International Symposium on
Conference_Location :
Washington, DC
Print_ISBN :
0-7803-7123-2
DOI :
10.1109/ISIT.2001.936106
