Topology-aware space-time network coding
(2017) 2017 25th European Signal Processing Conference (EUSIPCO) — Location: Kos, Greece (28.August.2017)
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- Abstract
- Space-Time Network Coding (STNC) is a time division multiple access (TDMA)-based scheme that combines network coding and space-time coding by allowing relays to combine the information received from different sources during the transmission phase and to forward the combined signal to a destination in the relaying phase. However, STNC schemes require all the relays to overhear the signal transmitted from all the sources in the network and also a large number of time-slots to achieve full diversity in a multipoint-to-multipoint transmission, which is particularly challenging for large cellular networks. In this paper, we exploit a basic knowledge of the network topology, i.e. the knowledge of the base stations overheard by other base stations and users, to reduce drastically the number of time-slots. Our results show that our scheme is able to increase the spectral efficiency with a marginal decrease of the spatial diversity compared to traditional STNC.
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Citations
Torrea-Duran, R., Morales-Cespedes, M., Plata-Chaves, J., Vandendorpe, L., & Moonen, M. (2017). Topology-aware space-time network coding. 2017 25th European Signal Processing Conference (EUSIPCO). Published. 2017 25th European Signal Processing Conference (EUSIPCO), Kos, Greece. https://doi.org/10.23919/eusipco.2017.8081182