Abstract
Full-duplex relaying (FDR) can receive and transmit simultaneously over the same frequency band, thus enabling a significant increase of spectral efficiency and has attracted much research interests. In this paper, we investigate the ergodic capacity of multi-hop decode-and-forward (DF) FDR systems, in which the relay nodes suffer not only from self-interference but also from inter-relay interference. We consider two cases for the inter-relay interference, i.e. one relay node knows perfect channel state information (CSI) from all other relay nodes or only knows the CSI from the previous relay node. The ergodic capacity upper bounds are derived for each case, respectively. Finally, we present numerical results to compare the ergodic capacity of multi-hop FDR with multi-hop half-duplex relaying (HDR).
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Acknowledgements
This work was supported by the China Scholarship Council (201508120012) and the Doctoral Foundation of Tianjin Normal University (5RL135).
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Han, L. (2018). Ergodic Capacity Upper Bound for Multi-hop Full-Duplex Decode-and-Forward Relaying. In: Liang, Q., Mu, J., Wang, W., Zhang, B. (eds) Communications, Signal Processing, and Systems. CSPS 2016. Lecture Notes in Electrical Engineering, vol 423. Springer, Singapore. https://doi.org/10.1007/978-981-10-3229-5_17
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DOI: https://doi.org/10.1007/978-981-10-3229-5_17
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