Constellation Shaping, Nonlinear Precoding, and Trellis Coding for Voiceband Telephone Channel Modems
Subtitle: with Emphasis on ITU-T Recommendation V.34
By: by Steven A. Tretter
Series: The Springer International Series in Engineering and Computer Science -- 673; International series in engineering and computer science -- 673.
Publisher: Springer US
Published: 2002
Place of publication: Boston, MA
Language: eng
Format: [electronic resource] :
Number of pages: 266
ISBN-13: 9781461353393; 9781461509899
Subjects: Systems engineering; Engineering; Computer engineering
Description: This book is an excellent reference for those working in the broad fields of communication theory, information theory, and modem design. It is essential for researchers in modulation and coding for voiceband telephone line modems; signal constellation design; nonlinear precoding for modems; and trellis coding. The author presents the theory behind the new modulation and coding techniques included in ITU-T Recommendation V.34. Topics discussed include signal constellation shaping by shell mapping, nonlinear precoding, four-dimensional trellis codes, and fast equalizer training by using periodic sequences and FFT methods. In addition, several approaches that were considered but not accepted are presented including trellis shaping, trellis precoding, and modulus conversion.
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Table of contents: title: Preface; title: 1: Basics Of Lattice Theory; title: 2: Performance Measures for Multidimensional Constellations; title: 3: Principles Of Convolutional And Trellis Codes; title: 4: Trellis Shaping; title: 5: Nonlinear Precoding Methods To Remove Intersymbol Interference; title: 6: Trellis Precoding; title: 7: Mapping Data To Channel Symbol Frames By A Modulus Encoder; title: 8: Constellation Shaping By Shell Mapping; title: 9: The Four Dimensional Constellation Used By ITU-T V.34 Modems; title: 10: The Combined Precoding And Trellis Coding Scheme For V.34; title: 11: Fastequalizeradjustmentbyusingaperiodic Training Sequence; title: References; title: Index.