基于带宽高效传输的医疗物联网高吞吐量低延迟无线通信系统

IF 1.4 4区 管理学 Q2 ENGINEERING, MULTIDISCIPLINARY International Journal of Technology Management Pub Date : 2023-06-28 DOI:10.14716/ijtech.v14i4.5234
Astri Maria Kurniawati, N. Sutisna, H. Zakaria, Y. Nagao, T. Mengko, H. Ochi
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引用次数: 0

摘要

. 本文提出了一种具有高效带宽传输的高吞吐量、低延迟无线技术,特别适用于医疗物联网(MIoT)应用。该方法采用了较短的正交频分复用(OFDM)符号持续时间,对应于较短的分组传输。这可以通过减小子载波间距和允许在时域中使用更少的采样数据同时保持采样率频率来实现。此外,该方案可以在原时隙时间内传输两次以上的数据帧,从而在不增加带宽利用率的情况下提高吞吐量。在20 MHz和40 MHz带宽情况下的评估结果表明,吞吐量比常规情况下提高了约2.3倍和2.6倍。此外,该方案还通过减少50%左右的传输时间来提供低延迟传输。相应的硬件实现也提供了低复杂度的硬件资源。因此,该系统可用于物联网系统,主要考虑低延迟、高吞吐量、带宽效率和低功耗。
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High Throughput and Low Latency Wireless Communication System using Bandwidth-Efficient Transmission for Medical Internet of Thing
. This paper presents a high throughput and low latency wireless with efficient bandwidth transmission, particularly for Medical Internet of Things (MIoT) applications. The proposed method is obtained by employing shorter OFDM (Orthogonal Frequency Divison Multiplexing) symbol duration which corresponds to shorter packet transmission. This can be realized by reducing subcarrier spacing and allowing to use of a smaller number of sample data in the time domain while maintaining sampling rate frequency. Furthermore, the proposed scheme can transmit more data frames twice within the original time slot duration, hence, it can enhance the throughput without expanding the bandwidth utilization. The evaluation results of 20 MHz and 40 MHz bandwidth cases show throughput improvement by around 2.3 and 2.6 times compared to the conventional ones. In addition, the proposed scheme also provides low latency transmission by reducing the transmission time by around 50%. The corresponding hardware implementation is also provided with low-complexity hardware resources. Hence, the proposed system can be used for IoT systems with main considerations on low latency, high throughput, bandwidth efficiency, and low power consumption.
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来源期刊
International Journal of Technology Management
International Journal of Technology Management 管理科学-工程:综合
CiteScore
2.70
自引率
3.60%
发文量
45
审稿时长
6-12 weeks
期刊介绍: The IJTM aims to provide a refereed and authoritative source of information in the field of managing with technology, and the management of engineering, science and technology. It seeks to establish channels of communication between government departments, technology executives in industry, commerce and related business, and academic experts in the field.
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