在IEEE 802.15.4非信标启用模式性能中，使用线性调频扩频物理层和请求发送/清除发送与帧级联相结合的影响

IF 1.5 Q3 TELECOMMUNICATIONS IET Wireless Sensor Systems Pub Date : 2023-01-07 DOI:10.1049/wss2.12045

Norberto Barroca, Luís M. Borges, Periklis Chatzimisios, Fernando J. Velez

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摘要

本文研究了IEEE 802.15.4非信标启用模式的性能改进，该模式源于包含请求发送/清除发送（RTS/CTS）握手机制，从而导致帧级联。在采用RTS/CTS的IEEE 802.15.4下，不针对发送的每个数据帧而仅针对每个RTS/CTS集合重复退避过程。对于2.4GHz频带的Chirp扩频和直接序列扩频物理层，从数学上导出了最大吞吐量和最小延迟性能。结果表明，RTS/CTS的使用显著提高了IEEE 802.15.4在带宽效率方面应用于医疗保健的性能。

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Impact of using chirp spread spectrum physical layer and request-to-send/clear-to-send combined with frame concatenation in the IEEE 802.15.4 non-beacon enabled mode performance

This paper studies the performance improvement of the IEEE 802.15.4 non-beacon-enabled mode originated by the inclusion of the Request-To-Send/Clear-To-Send (RTS/CTS) handshake mechanism resulting in frame concatenation. Under IEEE 802.15.4 employing RTS/CTS, the backoff procedure is not repeated for each data frame sent but only for each RTS/CTS set. The maximum throughput and minimum delay performance are mathematically derived for both the Chirp Spread Spectrum and Direct Sequence Spread Spectrum Physical layers for the 2.4 GHz band. Results show that the utilisation of RTS/CTS significantly enhances the performance of IEEE 802.15.4 applied to healthcare in terms of bandwidth efficiency.

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来源期刊

IET Wireless Sensor Systems TELECOMMUNICATIONS-

CiteScore

4.90

自引率

5.30%

发文量

审稿时长

33 weeks

期刊介绍： IET Wireless Sensor Systems is aimed at the growing field of wireless sensor networks and distributed systems, which has been expanding rapidly in recent years and is evolving into a multi-billion dollar industry. The Journal has been launched to give a platform to researchers and academics in the field and is intended to cover the research, engineering, technological developments, innovative deployment of distributed sensor and actuator systems. Topics covered include, but are not limited to theoretical developments of: Innovative Architectures for Smart Sensors;Nano Sensors and Actuators Unstructured Networking; Cooperative and Clustering Distributed Sensors; Data Fusion for Distributed Sensors; Distributed Intelligence in Distributed Sensors; Energy Harvesting for and Lifetime of Smart Sensors and Actuators; Cross-Layer Design and Layer Optimisation in Distributed Sensors; Security, Trust and Dependability of Distributed Sensors. The Journal also covers; Innovative Services and Applications for: Monitoring: Health, Traffic, Weather and Toxins; Surveillance: Target Tracking and Localization; Observation: Global Resources and Geological Activities (Earth, Forest, Mines, Underwater); Industrial Applications of Distributed Sensors in Green and Agile Manufacturing; Sensor and RFID Applications of the Internet-of-Things ("IoT"); Smart Metering; Machine-to-Machine Communications.