Abstract
Bit-interleaved coded modulation with iterative decoding (BICM-ID) is a spectral efficient coding technique. The technique is therefore very attractive for next generation of wireless communication. It has been shown that when interleaver and error-control code are fixed, symbol mapping which defined by the signal constellation and the bit labeling has a critical influence on the error performance of BICM-ID. This paper presents an improved symbol mapping which combines two M-PSK with different radius and phases called (4,12). Through comparison with the conventional symbol mappings in terms of BER performance over Rayleigh channel, numerical results show that the new symbol mapping can improve the performance of BICM-ID system more than 0.1dB at low-to-medium SNR regions.
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Na, L., Jianping, L., Qing, C. (2013). An Impoved Symbol Mappings on 16QAM Constellation for BICM-ID. In: Yang, G. (eds) Proceedings of the 2012 International Conference on Communication, Electronics and Automation Engineering. Advances in Intelligent Systems and Computing, vol 181. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-31698-2_25
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DOI: https://doi.org/10.1007/978-3-642-31698-2_25
Publisher Name: Springer, Berlin, Heidelberg
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