Robustness maximization of parallel multichannel systems
Journal of Electrical and Computer Engineering - Special issue on Resource Allocation in Communications and Computing
Paraunitary generation/correlation of QAM complementary sequence pairs
Cryptography and Communications
A Novel Constellation Shaping Technique for Bit-Interleaved Coded Modulation
Wireless Personal Communications: An International Journal
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This paper attempts to present a comprehensive tutorial survey of the development of efficient modulation techniques for bandlimited channels, such as telephone channels. After a history of advances in commercial high-speed modems and a discussion of theoretical limits, it reviews efforts to optimize two-dimensional signal constellations and presents further elaborations of uncoded modulation. Its principal emphasis, however, is on coded modulation techniques, in which there is an explosion of current interest, both for research and for practical application. Both block-coded and trellis-coded modulation are covered, in a common framework. A few new techniques are presented.