Over-The-Air testing of LTE-A PHY layer in reverberation chamber

被引：0
|
作者：
Lodro, Mir [1 ]
Korunur Engiz, Begum [2 ]
Thomas, David W.P. [1 ]
机构：
[1] GGIEMR, University of Nottingham, Nottingham, United Kingdom
[2] Ondokuz Mayis University, Department of Electrical and Electronics Engineering, Samsun, Turkey
来源：
International Journal of Applied Electromagnetics and Mechanics | 2024年 / 76卷 / 1-2期
关键词：
Reliable; repeatable; and flexible testing is crucial for assessing system performance and ensuring the quality of communication. In reverberation chambers (RC); real-life propagation environments can be emulated by loading absorbers; facilitating controlled testing of the system. This work presents over-The-Air (OTA) testing of the LTE-A PHY layer in the RC. We assessed the performance of the LTE-A link using key performance indicators (KPIs) such as error vector magnitude (EVM); bit error rate (BER); and signal-To-noise ratio (SNR) for varying transmitter (Tx) and receiver (Rx) gains. Additionally; we have compared the results both in an empty RC and when the RC was loaded with RF absorbers. We used software-defined radio (SDR) for OTA transmission of LTE-A frames. The measurement results indicate that loading the RC with RF absorbers improves EVM; BER; and SNR. We also quantified the performance of the LTE-A link by changing the position of RF absorbers. Results showed that loading absorbers yielded up to 72.8% improvement in EVM; and placing absorbers closer to Rx helped reduce the amount of multipath; resulting in better transmission performance. © 2024-IOS Press. All rights reserved;
D O I：
10.3233/JAE-230265
中图分类号：
学科分类号：
摘要：
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页码：135 / 146
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