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首页> 外文会议>2017 International Conference on Sustainable Information Engineering and Technology >Message queue telemetry transport protocols implementation for wireless sensor networks communication — A performance review
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Message queue telemetry transport protocols implementation for wireless sensor networks communication — A performance review

机译：无线传感器网络通信的消息队列遥测传输协议实现—性能回顾

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Message Queue Telemetry Transport (MQTT) is a protocol with publish/subscribe interactions schemes and have a lightweight feature that suited for a constrained environment such in Wireless Sensor Network. This Paper presents the result of MQTT Protocols implementation in a Wireless Sensor Network (WSN) where Arduino and NRF24L01 were acted as WSN nodes, while the gateway consists of Arduino, NRF24L01 and ESP8266 Wi-Fi module as the IP based interface to the MQTT Broker. Sensor node and gateway interaction schemes were built using MQTT-SN protocols with different quality of Service (QoS) types which are QoS 0, QoS 1, and QoS 2. This paper measured several parameters which are gateway discovery process, the total number of packet loss in QoS0, data duplication along with total number of re-tries and Round-Trip Time (RTT) delay in QoS1 & QoS2. Based on the experiment, this research found several results. First, the average time for gateway discovery process is 1123.40 ms. Second, The QoS 0 is the fastest publish type protocol. However, the QoS 0 is unreliable. The QoS 0 publish type is having the most packet loss message based our experiment. Third, The QoS1 packet loss is better than QoS0 but the data duplication and several numbers of re-tries are found. Last, The QoS2 is the slowest publish type but most reliable publish message transfer. The experiment result that no packet loss occurred and the duplication data can be ignored by the gateway.
机译：消息队列遥测传输（MQTT）是具有发布/订阅交互方案的协议，具有轻量级功能，适用于无线传感器网络等受限环境。本文介绍了在无线传感器网络（WSN）中实施MQTT协议的结果，其中Arduino和NRF24L01充当WSN节点，而网关由Arduino，NRF24L01和ESP8266 Wi-Fi模块组成，是与MQTT Broker的基于IP的接口。传感器节点和网关交互方案是使用具有不同服务质量（QoS）类型的MQTT-SN协议（QoS 0，QoS 1和QoS 2）构建的。本文测量了网关发现过程，数据包总数等几个参数。 QoS0丢失，数据重复以及QoS1和QoS2中的重试总数以及往返时间（RTT）延迟。基于实验，本研究发现了一些结果。首先，网关发现过程的平均时间为1123.40 ms。其次，QoS 0是最快的发布类型协议。但是，QoS 0不可靠。根据我们的实验，QoS 0发布类型的数据包丢失消息最多。第三，QoS1丢包比QoS0更好，但是发现了数据重复和多次重试。最后，QoS2是最慢的发布类型，但最可靠的发布消息传输。实验结果是没有数据包丢失，网关可以忽略重复数据。

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