Title :
Constructing convolutional lattices and its application in Compute and Forward
Author :
Molu, Mehdi M. ; Burr, Alister
Author_Institution :
Dept. of Electronics, University of York, UK
Abstract :
Constructing lattices from convolutional codes based on Construction A is studied; analogous to Construction A, a single layer code lattice is proposed in this paper which outperforms Construction A. As an application for the proposed convolutional lattices, they are exploited in a multi-user relay network where the relay node employs Compute and Forward as its relaying function. We adopt the BCJR algorithm for lattice decoding convoutional lattices; moreover, as the BCJR algorithm requires the knowledge of the statistical characteristics of modulo lattice additive noise (MLAN), the probability density function of MLAN is derived in closed form.
Keywords :
Convolution; Convolutional codes; Generators; Lattices; Maximum likelihood decoding; Quantization (signal);
Conference_Titel :
Communication Workshop (ICCW), 2015 IEEE International Conference on
Conference_Location :
London, United Kingdom
DOI :
10.1109/ICCW.2015.7247506