Abstract
This study presents an analysis of the bit error rate (BER) and system capacity in a multi-user multiple-input multiple-output (MU-MIMO) wireless system that deploys or-thogonal frequency-division multiplexing (OFDM) for wideband communication in industrial Internet-of- Things (IIoT) networks. The focus is on analyzing and evaluating the impact of imperfect channel state information (CSI) on MU-MIMO-OFDM system performance in comparison to perfect CSI within industrial settings. For this, we consider an IIoT network consisting of a base station (BS) and multiple IIoT devices, each equipped with multiple antennas. The CSI is computed using the least squares (LS) estimation technique. Furthermore, we investigate the tradeoff between system capacity and BER performance, considering various MIMO configurations to determine an optimal setup. The simulation results demonstrate that both imperfect CSI and MIMO configurations significantly influence BER performance. The findings of this research could provide valuable insights for the design and optimization of MU-MIMO-OFDM-based IIoT networks.
| Original language | English |
|---|---|
| Title of host publication | GLOBECOM 2023 - 2023 IEEE Global Communications Conference |
| Publisher | Institute of Electrical and Electronics Engineers Inc. |
| Pages | 3789-3794 |
| Number of pages | 6 |
| ISBN (Electronic) | 9798350310900 |
| DOIs | |
| Publication status | Published - 2023 |
| Event | 2023 IEEE Global Communications Conference, GLOBECOM 2023 - Kuala Lumpur, Malaysia Duration: 4 Dec 2023 → 8 Dec 2023 |
Publication series
| Name | Proceedings - IEEE Global Communications Conference, GLOBECOM |
|---|---|
| ISSN (Print) | 2334-0983 |
| ISSN (Electronic) | 2576-6813 |
Conference
| Conference | 2023 IEEE Global Communications Conference, GLOBECOM 2023 |
|---|---|
| Country/Territory | Malaysia |
| City | Kuala Lumpur |
| Period | 4/12/23 → 8/12/23 |
Bibliographical note
Publisher Copyright:© 2023 IEEE.
Keywords
- bit error rate (BER)
- channel state information (CSI)
- industrial Internet-of-things (IIoT)
- Multiple-input multiple-output (MIMO)
- orthogonal frequency division multiplexing (OFDM)
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