Research Article
Transmission efficient Modulation Based on Constellation Switching in Wireless Communication
@INPROCEEDINGS{10.1109/ChinaCom.2011.6158127, author={Wei Lu and Desheng Wang and Yingzhuang Liu}, title={Transmission efficient Modulation Based on Constellation Switching in Wireless Communication}, proceedings={6th International ICST Conference on Communications and Networking in China}, publisher={IEEE}, proceedings_a={CHINACOM}, year={2012}, month={3}, keywords={constellation switching modulation; error-correction coding}, doi={10.1109/ChinaCom.2011.6158127} }- Wei Lu
Desheng Wang
Yingzhuang Liu
Year: 2012
Transmission efficient Modulation Based on Constellation Switching in Wireless Communication
CHINACOM
IEEE
DOI: 10.1109/ChinaCom.2011.6158127
Abstract
In this paper we propose a new efficient data modulation method, which is based on constellation switching modulation (CSM). The original bit stream is divided into sub-blocks, and each sub-block is modulated according to the constellation indicated by the constellation indicating bits (CIB) which are composed of data bits and parity bits. Error-correction coding (ECC) is used to produce the parity bits for the improvement of the robustness of constellation estimation and bit-error rate performance. The error bounds of constellation estimation are derived. Simulation results show that the proposed algorithm can improve the transmission efficiency by at most 50% and 25% compared with the conventional BPSK and QPSK respectively in Rayleigh channel while still maintaining almost the same or even better BER performance as conventional BPSK and QPSK.
