BLE Extended Advertisements for Energy Efficient and Reliable Transfer of Large Sensor Data in Monitoring Applications

IF 6.7 2区 计算机科学 Q1 TELECOMMUNICATIONS
Sukriti Gautam;Suman Kumar
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Abstract

Advertising extensions introduced in Bluetooth Core Specification version 5.0 brought many feature enhancements like larger payload size, options for longer range, larger number of channels used, as compared to legacy advertisements introduced in version 4.0. Based on real-time energy consumption analysis, this paper deems Bluetooth Low Energy (BLE) extended advertisements as the more energy-efficient choice as compared to legacy advertisements for applications with motion data generated at high sampling rates, and also highlights the range of data size for which legacy advertisements are more energy-efficient. For sensor networks using high data sampling rates, taking receiving link layer’s behavior into account, the paper analysis the merits and demerits of utilizing all 1650 bytes of an extended advertising event which is the maximum allowed limit. Extensive real-time experimentation carried out for varying amount of network congestion reveals that data loss mostly remains between 2-4% even in highly congested channel for large amount of data sent in each extended advertising event. However, because receiving link layer rejects partially received extended advertising events, sometimes, hiked losses are observed. Sending smaller data in each event yields more stable losses across the sensor network, but these losses are larger in higher network congestion, and energy efficiency is poorer. The paper highlights the potential and limitations of extended advertisements in applications under consideration, and emphasizes the need of the receiving link layer’s capability to process partially received secondary channel packet chains.
在监测应用中高效可靠地传输大型传感器数据的BLE扩展广告
与4.0版本中引入的传统广告相比,蓝牙核心规范5.0版本中引入的广告扩展带来了许多功能增强,如更大的有效载荷大小、更远距离的选项、使用的通道数量更多。基于实时能耗分析,本文认为对于高采样率生成运动数据的应用,与传统广告相比,蓝牙低功耗(BLE)扩展广告是更节能的选择,并强调了传统广告更节能的数据大小范围。对于采用高数据采样率的传感器网络,考虑到接收链路层的行为,分析了利用最大允许限度1650字节的扩展广告事件的优缺点。针对不同程度的网络拥塞进行的大量实时实验表明,即使在每个扩展广告事件中发送大量数据的高度拥塞通道中,数据丢失也大多保持在2-4%之间。然而,由于接收链路层拒绝部分接收到的扩展广告事件,有时会观察到增加的损失。在每个事件中发送较小的数据在整个传感器网络中产生更稳定的损失,但这些损失在网络拥塞程度较高时更大,并且能源效率较差。本文强调了扩展广告在考虑的应用中的潜力和局限性,并强调了接收链路层处理部分接收的二级信道分组链的能力的必要性。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
IEEE Transactions on Green Communications and Networking
IEEE Transactions on Green Communications and Networking Computer Science-Computer Networks and Communications
CiteScore
9.30
自引率
6.20%
发文量
181
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