2021 IEEE International Conference on Acoustics, Speech and Signal Processing

6-11 June 2021 • Toronto, Ontario, Canada

Extracting Knowledge from Information

2021 IEEE International Conference on Acoustics, Speech and Signal Processing

6-11 June 2021 • Toronto, Ontario, Canada

Extracting Knowledge from Information
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Paper Detail

Paper IDSPCOM-6.5
Paper Title MULTI-BRANCH TOMLINSON-HARASHIMA PRECODING FOR RATE SPLITTING BASED SYSTEMS WITH MULTIPLE ANTENNAS
Authors Andre Robert Flores, Rodrigo de Lamare, Pontifical Catholic University of Rio de Janeiro, Brazil; Bruno Clerckx, Imperial College London, United Kingdom
SessionSPCOM-6: System Design and Optimization
LocationGather.Town
Session Time:Friday, 11 June, 11:30 - 12:15
Presentation Time:Friday, 11 June, 11:30 - 12:15
Presentation Poster
Topic Signal Processing for Communications and Networking: [SPC-MIMO] Multiple-Input Multiple-Output
IEEE Xplore Open Preview  Click here to view in IEEE Xplore
Abstract Rate splitting (RS) has emerged as a valuable technology for wireless communications systems due to its capability to deal with uncertainties in the channel state information at the transmitter (CSIT). RS with linear and non-linear precoders, such as the Tomlinson-Harashima (THP) precoder, have been explored in the downlink (DL) of multiuser multi antenna systems. In this work, we propose a multi-branch (MB) scheme for a RS-based multiple-antenna system, which creates patterns to order the transmitted symbols and enhances the overall sum rate performance compared to existing approaches. Analytical expressions to describe the signal-to-interference-plus-noise ratio (SINR) and compute the sum rate are derived. Simulation results show that the proposed MB-THP for RS outperforms conventional THP and MB-THP schemes.