Abstract
The efficiency of multinode cooperative communication systems is an important issue to solve. To this end, the adaptive modulation (AM) is adopted. However, with the decode-and-forward (DF) protocol, the uncertainty of the decoding behavior of each relay complicates the support of AM. In this work, we first propose two protocols which are the optimal protocol and the suboptimal protocol to maximize the achievable data rate of the current transmission based on the instantaneous channel state information (CSI) of all links and to maximize the long-term achievable data rate, respectively. Finally, simulation results show the advantages of the proposed protocols.
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© 2014 Springer-Verlag Berlin Heidelberg
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Wu, KK., Chang, MK., Lee, SY., Chan, YW. (2014). Novel Protocols of Modulation Level Selection in Decode-and-Forward Multinode Cooperative Communication Systems. In: Park, J., Chen, SC., Gil, JM., Yen, N. (eds) Multimedia and Ubiquitous Engineering. Lecture Notes in Electrical Engineering, vol 308. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-54900-7_19
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DOI: https://doi.org/10.1007/978-3-642-54900-7_19
Publisher Name: Springer, Berlin, Heidelberg
Print ISBN: 978-3-642-54899-4
Online ISBN: 978-3-642-54900-7
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