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Filter Design for Full-Duplex Multiuser Systems Based on Single-Carrier Transmission in Frequency-Selective Channels

Kyohei AMANO, Teruyuki MIYAJIMA, Yoshiki SUGITANI

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Summary :

In this paper, we consider interference suppression for a full-duplex (FD) multiuser system based on single-carrier transmission in frequency-selective channels where a FD base-station (BS) simultaneously communicates with half-duplex (HD) uplink and downlink mobile users. We propose a design method for time-domain filtering where the filters in the BS transmitter suppress inter-symbol interference (ISI) and downlink inter-user interference (IUI); those in the BS receiver, self-interference, ISI, and uplink IUI; and those in the downlink mobile users, co-channel interference (CCI) without the channel state information of the CCI channels. Simulation results indicate that the FD system based on the proposed method outperforms the conventional HD system and FD system based on multicarrier transmission.

Publication
IEICE TRANSACTIONS on Fundamentals Vol.E104-A No.1 pp.235-242
Publication Date
2021/01/01
Publicized
Online ISSN
1745-1337
DOI
10.1587/transfun.2020WBP0001
Type of Manuscript
Special Section PAPER (Special Section on Wideband Systems)
Category

Authors

Kyohei AMANO
  Ibaraki University
Teruyuki MIYAJIMA
  Ibaraki University
Yoshiki SUGITANI
  Ibaraki University

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