Bandwidth Efficient Coded Modulation

K. Deergha Rao ()
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K. Deergha Rao: Osmania University, Research and Training Unit for Navigational Electronics, College of Engineering

Chapter Chapter 7 in Channel Coding Techniques for Wireless Communications, 2015, pp 209-250 from Springer

Abstract: Abstract The block codes, convolutional, and turbo codes discussed in the previous chapters achieve performance improvement expanding the bandwidth of the transmitted signal. However, when coding is t p being applied to bandwidth limited channels, coding gain is to be achieved without signal bandwidth expansion. The coding gain for bandwidth limited channels can be achieved by a scheme called trellis coded modulation (TCM). The TCM is a combined coding and modulation technique that increases the number of signals over the corresponding uncoded system to compensate for the redundancy introduced by the code for digital transmission over band-limited channels.

Keywords: Asymptotic Coding Gain; Trellis-coded Modulation (TCM); Limited Channel Bandwidth; Bit-interleaved Coded Modulation (BICM); Turbo TCM (search for similar items in EconPapers)
Date: 2015
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DOI: 10.1007/978-81-322-2292-7_7

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