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Signalling constellations for power-efficient bit-interleaved coded modulation schemes

Lookup NU author(s): Dr Stephane Le Goff

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Abstract

Bit-interleaved coded modulation (BICM) is a bandwidth-efficient coding technique consisting of serial concatenation of binary error-correcting coding, bit-by-bit interleaving, and high-order modulation. The author addresses the problem of finding the signal sets that are most suitable for designing power-efficient BICM schemes over an additive white Gaussian noise channel. To this end, the expression of the BICM capacity limit is exploited and evaluated for several 8- and 16-ary constellations. It is also shown that the bit error probability curves of the modulation schemes without coding can be used to determine the most attractive constellations. Finally, the bit error rate performance of some BICM schemes made up of turbo codes and various signal sets is investigated to illustrate the theoretical results. (20 References).


Publication metadata

Author(s): Le Goff SY

Publication type: Article

Publication status: Published

Journal: IEE Proceedings - Communications

Year: 2003

Volume: 150

Issue: 3

Pages: 141-148

ISSN (print): 1350-2425

ISSN (electronic): 1359-7019

Publisher: IEEE

URL: http://dx.doi.org/10.1049/ip-com:20030230

DOI: 10.1049/ip-com:20030230

Notes: Publisher: IEE, UK.


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