了解电路级不准确性对传感器网络性能的影响

IF 0.6 4区 计算机科学 Q4 COMPUTER SCIENCE, INFORMATION SYSTEMS
Paul Detterer, Cumhur Erdin, Majid Nabi, T. Basten, Hailong Jiao
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引用次数: 2

摘要

在设计低功耗无线传感器节点时,能效是至关重要的。近似计算是一种新的降低功耗的电路级技术。然而,通过应用这种技术获得的功率增益是以计算误差为代价的。无线电收发芯片电路级的这种不准确性对无线传感器网络(WSNs)性能的影响尚未得到探讨。这种低功耗芯片设计技术的适用性取决于总体能量增益及其对网络性能的影响。在本文中,我们分析了无线电芯片中的各种不准确字段,并量化了它们对网络性能的影响,包括数据包延迟、goodput和每比特能量。该分析得到了大量网络模拟的支持。该结果可用于研究在给定网络性能和能耗要求的情况下,在电路级可以应用诸如功耗降低技术之类的WSN应用场景。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Understanding the Impact of Circuit-Level Inaccuracy on Sensor Network Performance
Energy efficiency is of paramount importance in designing lowpower wireless sensor nodes. Approximate computing is a new circuit-level technique for reducing power consumption. However, the gain in power by applying this technique is achieved at the cost of computational errors. The impact of such inaccuracies in the circuit level of a radio transceiver chip on the performance of Wireless Sensor Networks (WSNs) has not yet been explored. The applicability of such low-power chip design techniques depends on the overall energy gain and their impact on the network performance. In this paper, we analyze various inaccuracy fields in a radio chip, and quantify their impact on the network performance, in terms of packet latency, goodput, and energy per bit. The analysis is supported by extensive network simulations. The outcome can be used to investigate in which WSN application scenarios such power reduction techniques at circuit level can be applied, given the network performance and energy consumption requirements.
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来源期刊
Ad Hoc & Sensor Wireless Networks
Ad Hoc & Sensor Wireless Networks 工程技术-电信学
CiteScore
2.00
自引率
44.40%
发文量
0
审稿时长
8 months
期刊介绍: Ad Hoc & Sensor Wireless Networks seeks to provide an opportunity for researchers from computer science, engineering and mathematical backgrounds to disseminate and exchange knowledge in the rapidly emerging field of ad hoc and sensor wireless networks. It will comprehensively cover physical, data-link, network and transport layers, as well as application, security, simulation and power management issues in sensor, local area, satellite, vehicular, personal, and mobile ad hoc networks.
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