Abstract
To effectively restrain multiple access interference (MAI) in DS-CDMA UWB communication system and lower bit error rate, on the basis of discrete particle swarm optimization (DPSO) algorithm, combining quantum computing technology, an improved quantum DPSO (QDPSO) algorithm is got, and then the multi-user detection technology based on QDPSO algorithm is proposed. It mainly includes several key steps, such as initialization on particle indicating user information, calculation on target function for multi-user detection, particle update and optimizing etc. Simulation experiment and comparative analysis show that the bit error rate performance of QDPSO detection algorithm is best and can effectively restrain the influence of MAI, its effect is much better than DPSO and traditional detection algorithm (TA).
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Song, X., Shi, J., Chi, Y., Zhou, Y. (2011). Multi-user Detection on DS-CDMA UWB System Using QDPSO Algorithm. In: Jin, D., Lin, S. (eds) Advances in Multimedia, Software Engineering and Computing Vol.2. Advances in Intelligent and Soft Computing, vol 129. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-25986-9_13
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DOI: https://doi.org/10.1007/978-3-642-25986-9_13
Publisher Name: Springer, Berlin, Heidelberg
Print ISBN: 978-3-642-25985-2
Online ISBN: 978-3-642-25986-9
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