Throughput Multiplexing Efficiency of MIMO Terminal Antennas Considering Adaptive MCS and Layers
The throughput performance of the multipleinput multiple-output (MIMO) system is often affected by antenna imperfections (power imbalance and correlation), especially at the mobile station side. In this paper, the original throughput model is extended so that it can be used in systems that adaptivel...
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| Veröffentlicht in: | IEEE International Workshop on Electromagnetics (Online) S. 38 - 42 |
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15.07.2023
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| ISSN: | 2835-7655 |
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| Abstract | The throughput performance of the multipleinput multiple-output (MIMO) system is often affected by antenna imperfections (power imbalance and correlation), especially at the mobile station side. In this paper, the original throughput model is extended so that it can be used in systems that adaptively change the modulation and coding scheme (MCS) and data streams (layers) according to the channel quality. In addition, the derived throughput multiplexing efficiency (ME) in previous work is only applicable to performance evaluation at peak throughput with fixed MCS and number of layers. A mean ME (MME) is proposed in this work, which can characterize the overall effect of throughput degradation due to imperfect MIMO terminal antennas under any channel quality. The correlation-based channel model is adopted to verify the rationality of MME. It is shown that the throughput-based MME is closer to the theoretical value of capacity-based ME for in an adaptive MIMO system. |
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| AbstractList | The throughput performance of the multipleinput multiple-output (MIMO) system is often affected by antenna imperfections (power imbalance and correlation), especially at the mobile station side. In this paper, the original throughput model is extended so that it can be used in systems that adaptively change the modulation and coding scheme (MCS) and data streams (layers) according to the channel quality. In addition, the derived throughput multiplexing efficiency (ME) in previous work is only applicable to performance evaluation at peak throughput with fixed MCS and number of layers. A mean ME (MME) is proposed in this work, which can characterize the overall effect of throughput degradation due to imperfect MIMO terminal antennas under any channel quality. The correlation-based channel model is adopted to verify the rationality of MME. It is shown that the throughput-based MME is closer to the theoretical value of capacity-based ME for in an adaptive MIMO system. |
| Author | Huang, Xiaoyu Wei, Jianchuan Qian, Bingyi Wei, Kunpeng Zhang, Aofang Chen, Xiaoming |
| Author_xml | – sequence: 1 givenname: Jianchuan surname: Wei fullname: Wei, Jianchuan email: jianchuan.wei@stu.xjtu.edu.cn organization: Xi'an Jiaotong University,School of Information and Communications Engineering,Xi'an,China – sequence: 2 givenname: Xiaoyu surname: Huang fullname: Huang, Xiaoyu email: hxy0817@stu.xjtu.edu.cn organization: Xi'an Jiaotong University,School of Information and Communications Engineering,Xi'an,China – sequence: 3 givenname: Bingyi surname: Qian fullname: Qian, Bingyi email: Qianbingyi@stu.xjtu.edu.cn organization: Xi'an Jiaotong University,School of Information and Communications Engineering,Xi'an,China – sequence: 4 givenname: Aofang surname: Zhang fullname: Zhang, Aofang email: zhangaofang@hihonor.com organization: Honor Device Co.,Xi'an,China – sequence: 5 givenname: Kunpeng surname: Wei fullname: Wei, Kunpeng email: weikunpeng_2013@tsinghua.org.cn organization: Xiaomi Communications Co.,Beijing,China – sequence: 6 givenname: Xiaoming surname: Chen fullname: Chen, Xiaoming email: xiaoming.chen@mail.xjtu.edu.cn organization: Xi'an Jiaotong University,School of Information and Communications Engineering,Xi'an,China |
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| Snippet | The throughput performance of the multipleinput multiple-output (MIMO) system is often affected by antenna imperfections (power imbalance and correlation),... |
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| SubjectTerms | Adaptation models adaptive data streams adaptive modulation and coding scheme Adaptive systems antennas Correlation Modulation multipleinput multiple-output (MIMO) Multiplexing multiplexing efficiency Technological innovation Throughput |
| Title | Throughput Multiplexing Efficiency of MIMO Terminal Antennas Considering Adaptive MCS and Layers |
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