Impact of Rate-Splitting Robustness in Multi-Pair Massive MIMO Relay Systems

Anastasios Papazafeiropoulos, Tharmalingam Ratnarajah

Research output: Chapter in Book/Report/Conference proceedingConference contribution

3 Citations (Scopus)


Full-duplex (FD) systems, suggested to play a key role in future networks, boost the spectral efficiency, although they suffer from self- interference (SI). In parallel, massive multiple- output (MIMO) systems, employing a large number of antennas, emerge as a promising technology offering huge degrees-of-freedom. Hence, after careful consideration, this paper considers a multi-pair decode-and-forward FD relay channel, where the relay station is deployed with a large number of antennas. Also, since the rate-splitting (RS) transmission is applicable in multi-user scenarios, we include it in our analysis in terms of deterministic equivalents. Remarkably, numerical results show the robustness of RS both half-duplex (HD) and FD systems. Moreover, RS increases the range of SI over which FD outperforms HD. Outstandingly, RS proves to be more robust as the number of relay antennas increases.
Original languageEnglish
Title of host publication2017 IEEE Global Communications Conference (GLOBECOM) - Proceedings
PublisherInstitute of Electrical and Electronics Engineers (IEEE)
Number of pages7
ISBN (Electronic)978-1-5090-5019-2
ISBN (Print)978-1-5090-5020-8
Publication statusPublished - 15 Jan 2018
EventIEEE Global Communications Conference (GLOBECOM 2017) - , Singapore
Duration: 4 Dec 20178 Dec 2017


ConferenceIEEE Global Communications Conference (GLOBECOM 2017)
Internet address


  • deterministic equivalent analysis
  • full-duplex
  • massive MIMO
  • Rate-splitting
  • relays


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