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在紧急情况下通过使用外部收发器提高基于WebRTC的空地物联网通信范围和质量的可能性。

The Possibility of Improving the Range and Quality of Air-to-Ground WebRTC-Based IoT Communication in Emergency Situations by Employing an External Transceiver.

作者信息

Wajda Krzysztof, Chodorek Agnieszka, Chodorek Robert Ryszard

机构信息

Institute of Telecommunications, Faculty of Computer Science, Electronics and Telecommunications, AGH University of Krakow, Al. Mickiewicza 30, 30-059 Krakow, Poland.

Department of Applied Computer Science, Faculty of Electrical Engineering, Automatic Control and Computer Science, Kielce University of Technology, Al. 1000-lecia P.P. 7, 25-314 Kielce, Poland.

出版信息

Sensors (Basel). 2024 Oct 10;24(20):6533. doi: 10.3390/s24206533.

DOI:10.3390/s24206533
PMID:39460014
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC11511279/
Abstract

The proliferation of new services, either interpersonal or machine-oriented, has generated new demands concerning the flexibility and efficiency of transmission. The ubiquity of multimedia communication in the current internet is seamlessly and successfully supported by the WebRTC concept. This paper reports on the study of the usage of a solution employing a proxy transmission unit for air-to-ground delivery of video streaming multiplexed with sensor data in the UAV-IoT system when using the WebRTC protocol stack. The comparative experiments were carried out for two cases employing the 802.11ac network with WebRTC: the first scenario (S1) without an external transceiver and the second scenario (S2) with an external transceiver working as a proxy of the ground receiver. The presented results compare the transmission conditions without (scenario S1) and with (scenario S2) the external transceiver in terms of the RSSI, the available data rate, and total throughput of transmission of multimedia data (video stream from the UAV camera and bursty data coming from employed sensors. The usefulness of the external transceiver used in a wide range of transmission conditions is clearly proven.

摘要

新服务的激增，无论是人际导向还是机器导向的，都对传输的灵活性和效率产生了新的需求。WebRTC概念无缝且成功地支持了当前互联网中多媒体通信的无处不在。本文报告了一项研究，该研究针对使用WebRTC协议栈时，在无人机物联网系统中采用代理传输单元进行视频流与传感器数据复用的空对地传输解决方案的使用情况。针对使用WebRTC的802.11ac网络的两种情况进行了对比实验：第一种场景（S1）没有外部收发器，第二种场景（S2）有一个外部收发器作为地面接收器的代理。给出的结果从接收信号强度指示（RSSI）、可用数据速率以及多媒体数据（来自无人机摄像头的视频流和来自所用传感器的突发数据）传输的总吞吐量方面，比较了没有外部收发器（场景S1）和有外部收发器（场景S2）时的传输条件。在广泛的传输条件下使用外部收发器的有效性得到了明确证明。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ec07/11511279/6ed1d4f63377/sensors-24-06533-g011.jpg
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https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ec07/11511279/acb7993b30cf/sensors-24-06533-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ec07/11511279/3eb2f1fc2791/sensors-24-06533-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ec07/11511279/75ba3d5cd8ca/sensors-24-06533-g007.jpg
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https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ec07/11511279/6ed1d4f63377/sensors-24-06533-g011.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ec07/11511279/f2243945b1ab/sensors-24-06533-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ec07/11511279/fad9ffa984fa/sensors-24-06533-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ec07/11511279/a6b8f2882f9a/sensors-24-06533-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ec07/11511279/bf995fe7a788/sensors-24-06533-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ec07/11511279/acb7993b30cf/sensors-24-06533-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ec07/11511279/3eb2f1fc2791/sensors-24-06533-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ec07/11511279/75ba3d5cd8ca/sensors-24-06533-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ec07/11511279/2303ec77f58d/sensors-24-06533-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ec07/11511279/d18f9951fc01/sensors-24-06533-g009.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ec07/11511279/284f2fd7aa7a/sensors-24-06533-g010.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ec07/11511279/6ed1d4f63377/sensors-24-06533-g011.jpg

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The Recent Advancement in Unmanned Aerial Vehicle Tracking Antenna: A Review.
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Sensors (Basel). 2021 Aug 23;21(16):5662. doi: 10.3390/s21165662.
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