Name
Title | ||
|---|---|---|
Distributed Digital and Hybrid Beamforming Schemes with MMSE-SIC Receivers for the MIMO Interference Channel |
Abstract | ||
|---|---|---|
This paper addresses the problem of weighted sum-rate maximization and mean squared error (MSE) minimization for the multiple-input multiple-output (MIMO)
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channel. Specifically, we consider a weighted minimum MSE architecture where each receiver employs successive interference cancellation (SIC) to separate the various received data streams and derive a
<italic xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">hybrid beamforming</italic>
scheme, where the transmitters operate with a number of radio frequency chains smaller than the number of antennas, particularly suited for millimeter-wave channels and 5G applications. To derive our proposed schemes, we first study the relationship between sum-rate maximization and weighted MSE minimization when using SIC receivers, assuming fully digital beamforming. Next, we consider the important—and, as it turns out, highly non-trivial—case where the transmitters employ hybrid digital/analog beamforming, developing a distributed joint hybrid precoding and SIC-based combining algorithm. Moreover, for practical implementation, we propose a signaling scheme that utilizes a common broadcast channel and facilitates the acquisition of channel state information, assuming minimal assistance from a central node such as a cellular base station. Numerical results show that both the proposed weighted MMSE-SIC schemes exhibit great advantages with respect to their linear counterparts in terms of complexity, feedback information, and performance. |
Year | DOI | Venue |
|---|---|---|
2019 | 10.1109/tvt.2019.2918066 | IEEE Transactions on Vehicular Technology |
Keywords | Field | DocType |
MIMO communication,Receivers,Array signal processing,Radio frequency,Computer architecture,Silicon carbide,Radio transmitters | Beamforming,Transmitter,Computer science,Single antenna interference cancellation,Communication channel,MIMO,Electronic engineering,Interference (wave propagation),Precoding,Channel state information | Journal |
Volume | Issue | ISSN |
68 | 7 | 0018-9545 |
Citations | PageRank | References |
1 | 0.35 | 0 |
Authors | ||
3 | ||
Name | Order | Citations | PageRank |
|---|---|---|---|
| Andrea Abrardo | 1 | 376 | 47.39 |
| Gábor Fodor | 2 | 990 | 99.05 |
| Marco Moretti | 3 | 138 | 16.56 |