Proceedings of the 1999 IEEE Information Theory and Communications Workshop (Cat. No. 99EX253)
DOI: 10.1109/itcom.1999.781396
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Cited by 30 publications
(13 citation statements)
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“…The signal bandwidth is fixed in order to ease the resource allocation problem and to simplify receiver implementation. This approach, consisting of adapting the physical layer but not the satellite carrier power, has recently been shown to be quasi-optimal from the information theory point of view [8]. The technique proposed can however be easily extended to the more realistic case of uneven bandwidth/power allocation among the beams which future satellite payloads may support.…”
Section: System Assumptionsmentioning
confidence: 99%
“…The signal bandwidth is fixed in order to ease the resource allocation problem and to simplify receiver implementation. This approach, consisting of adapting the physical layer but not the satellite carrier power, has recently been shown to be quasi-optimal from the information theory point of view [8]. The technique proposed can however be easily extended to the more realistic case of uneven bandwidth/power allocation among the beams which future satellite payloads may support.…”
Section: System Assumptionsmentioning
confidence: 99%
“…[1] shows that coded modulation techniques designed for the Additive White Gaussian Noise (AWGN) channel can be superimposed on a very general class of adaptive modulation schemes, with the same approximate coding gain. Trellis and lattice codes, which are special cases of coset codes, are particularly well suited for adaptive coded modulation since the code design and modulation design are separable [9,10] .…”
Section: Adaptive Modulation and Codingmentioning
confidence: 99%
“…This adaptation may include varying the symbol rate, the transmission power, the constellation size, the coding rate/scheme, or any combination of these parameters. The goal of this adaptation is to increase the link spectral efficiency (bps/Hz), lower BER, conserve transmit power, reduce interference to other users, or meet different requirements (delay, rate, BER) for different types of data [1] .…”
Section: Introductionmentioning
confidence: 99%
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