Joint trellis coded quantization/modulation

descriptionPublicationkeyboard_double_arrow_right Article 01 Jan 1991Publisher:Institute of Electrical and Electronics Engineers (IEEE)Journal:IEEE Transactions on Communications, volume 39, pages 172-176 (issn: 0090-6778,

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Authors: Thomas R. Fischer;

doi: 10.1109/26.76448

Joint trellis coded quantization/modulation

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Abstract

A joint source/channel coding system constructed using trellis coded quantization (TCQ) and trellis coded modulation (TCM) is described. Identical trellises are used in the TCQ and TCM systems, and a straightforward mapping of TCQ codewords to TCM symbols is presented which guarantees that Euclidean squared distance in the channel is commensurate with quantization mean-square error (MSE). Hence, likely TCM error events of small Euclidean distance cause only a small increase in overall source coding MSE. >

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