Modulation and coding for linear Gaussian channels

被引:376
作者
Forney, GD [1 ]
Ungerboeck, G
机构
[1] Motorola Inc, Informat Syst Grp, Mansfield, MA 02048 USA
[2] IBM Corp, Div Res, Zurich Res Lab, CH-8803 Ruschlikon, Switzerland
关键词
binary coding; block codes; canonical channel; capacity; coding gain; convolutional codes; lattice codes; multicarrier modulation; nonbinary coding; orthogonal modulation; precoding; shaping gain; single-carrier modulation; trellis codes;
D O I
10.1109/18.720542
中图分类号
TP [自动化技术、计算机技术];
学科分类号
0812 ;
摘要
Shannon's determination of the capacity of the linear Gaussian channel has posed a magnificent challenge to succeeding generations of researchers. This paper surveys how this challenge has been met during the past half century. Orthogonal minimum-bandwidth modulation techniques and channel capacity are discussed Binary coding techniques for lo low-signal-to-noise ratio (SNR) channels and nonbinary coding techniques for high-SNR channels are reviewed. Recent developments, which now allow capacity to be approached on any linear Gaussian channel, are surveyed. These new capacity-approaching techniques include turbo coding and decoding, multilevel coding, and combined coding/precoding for intersymbol-interference channels.
引用
收藏
页码:2384 / 2415
页数:32
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