(Gray) Mappings for Bit-Interleaved Coded Modulation

Stierstorfer C, Fischer R (2007)

Publication Language: English

Publication Type: Conference contribution, Conference Contribution

Publication year: 2007

City/Town: Dublin, Ireland

Pages Range: 1703-1707

Conference Proceedings Title: Proceedings IEEE Vehicular Technology Conference Spring (VTC Spring)

Event location: Dublin, Ireland IE

ISBN: 9781424402663

DOI: 10.1109/VETECS.2007.354


Mappings for square quadrature amplitude modulation (QAM) are investigated in terms of the achievable capacity in bit-interleaved coded modulation (BICM). In [1] it is conjectured that Gray labelings maximize this capacity. However, Gray mappings are not unique and it can be shown that the conjecture cannot hold in general for QAM constellation sizes larger than 16. Based on the bit level capacities of mappings, structures determining capacity are analyzed. Construction guidelines leading to capacity maximizing Gray mappings are presented. © 2007 IEEE.

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How to cite


Stierstorfer, C., & Fischer, R. (2007). (Gray) Mappings for Bit-Interleaved Coded Modulation. In Proceedings IEEE Vehicular Technology Conference Spring (VTC Spring) (pp. 1703-1707). Dublin, Ireland, IE: Dublin, Ireland.


Stierstorfer, Clemens, and Robert Fischer. "(Gray) Mappings for Bit-Interleaved Coded Modulation." Proceedings of the 2007 IEEE 65th Vehicular Technology Conference - VTC2007-Spring, Dublin, Ireland Dublin, Ireland, 2007. 1703-1707.

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