Digital baseband compensation of frequency-dependent joint TX/RX I/Q imbalance in beamforming MIMO OFDM transceivers
| Author | Özdemir, Özgür |
| Author | Hamila, Ridha |
| Author | Al-Dhahir, Naofal |
| Available date | 2023-04-04T09:09:11Z |
| Publication Date | 2012 |
| Publication Name | IEEE International Conference on Communications |
| Resource | Scopus |
| Abstract | In this paper, we investigate the effects of asymmetric frequency-dependent joint transmit-receive I/Q imbalance on the performance of beamforming MIMO-OFDM systems. We derive the throughput-maximizing transmit/receive beamforming coefficients taking into account I/Q imbalance effects. In addition, we propose a low-complexity pilot-aided scheme for the estimation of the channel and I/Q imbalance parameters. Our simulation results demonstrate the effectiveness of the proposed generalized beamforming scheme in mitigating I/Q imbalance effects. 2012 IEEE. |
| Language | en |
| Publisher | IEEE |
| Subject | Beamforming I/Q Imbalance MIMO OFDM |
| Type | Conference Paper |
| Pagination | 3585-3589 |
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Electrical Engineering [2649 items ]