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無線傳感網(wǎng)絡(luò)量化及能量優(yōu)化策略

呂敬祥 羅文浪

呂敬祥, 羅文浪. 無線傳感網(wǎng)絡(luò)量化及能量優(yōu)化策略[J]. 電子與信息學(xué)報(bào), 2020, 42(5): 1118-1124. doi: 10.11999/JEIT190185
引用本文: 呂敬祥, 羅文浪. 無線傳感網(wǎng)絡(luò)量化及能量優(yōu)化策略[J]. 電子與信息學(xué)報(bào), 2020, 42(5): 1118-1124. doi: 10.11999/JEIT190185
Jingxiang Lü, Wenlang LUO. Quantization and Energy Optimization Strategy of Wireless Sensor Networks[J]. Journal of Electronics & Information Technology, 2020, 42(5): 1118-1124. doi: 10.11999/JEIT190185
Citation: Jingxiang Lü, Wenlang LUO. Quantization and Energy Optimization Strategy of Wireless Sensor Networks[J]. Journal of Electronics & Information Technology, 2020, 42(5): 1118-1124. doi: 10.11999/JEIT190185

無線傳感網(wǎng)絡(luò)量化及能量優(yōu)化策略

doi: 10.11999/JEIT190185
基金項(xiàng)目: 國家自然科學(xué)基金(51867011),江西省教育廳科技計(jì)劃項(xiàng)目(GJJ180576),省部重點(diǎn)實(shí)驗(yàn)室開放基金(WE2016014)
詳細(xì)信息
    作者簡介:

    呂敬祥:男,1977生,博士,講師,研究方向?yàn)槲锫?lián)網(wǎng)

    羅文浪:男,1967生,博士,教授,研究方向?yàn)橹悄苄畔⑻幚?/p>

    通訊作者:

    羅文浪 lpanpan2005@sina.com.cn

  • 中圖分類號: TN915.04

Quantization and Energy Optimization Strategy of Wireless Sensor Networks

Funds: The National Natural Science Foundation of China (51867011), The Education Office Science and Technology Plan Project of Jiangxi Province (GJJ180576), The Provincial Key Laboratory Open Fund (WE2016014)
  • 摘要:

    由于無線傳感網(wǎng)絡(luò)(WSN)存在能量和帶寬的限制,在網(wǎng)絡(luò)中直接傳送模擬信號受到了極大地制約,因此對模擬信號量化是節(jié)省網(wǎng)絡(luò)能量和保證有效帶寬的重要手段。為此,該文以融合中心的重構(gòu)絕對均值誤差最小為原則,設(shè)計(jì)一種網(wǎng)絡(luò)量化及能量優(yōu)化方法。首先,針對單傳感器,在能量固定的情況下推導(dǎo)了最優(yōu)量化位數(shù)及在量化位數(shù)固定的情況下推導(dǎo)了最優(yōu)能量分配。其次,在單傳感器的基礎(chǔ)上,進(jìn)一步推導(dǎo)多傳感器情況下最優(yōu)量化位數(shù)及最優(yōu)能量分配。以上兩種情況都考慮了傳感器測量噪聲及信道衰落損耗。最后,通過數(shù)值仿真方法驗(yàn)證了文中所提方法的正確性,并將其與等能量分配進(jìn)行了比較,獲得了較好的效果。

  • 圖  1  單傳感器傳播到融合中心模型圖

    圖  2  多鏈路模型

    圖  3  等能量和最優(yōu)能量分配重構(gòu)誤差比較

    圖  4  最優(yōu)能量分配因子

    圖  5  等能量分配時(shí)不同信噪比重構(gòu)誤差

    圖  6  量化位長度固定時(shí)重構(gòu)誤差比較

    圖  7  量化位長度不固定時(shí)重構(gòu)誤差比較

    圖  8  最優(yōu)量化位固定時(shí)最優(yōu)能量分配

  • 劉偉, 杜佳鴻, 賈素玲, 等. 能量有效的無線傳感器網(wǎng)絡(luò)分簇路由協(xié)議[J]. 北京航空航天大學(xué)學(xué)報(bào), 2019, 45(1): 50–56. doi: 10.13700/j.bh.1001-5965.2018.0251

    LIU Wei, DU Jiahong, JIA Suling, et al. Energy efficient clustering routing protocol for wireless sensor networks[J]. Journal of Beijing University of Aeronautics and Astronautics, 2019, 45(1): 50–56. doi: 10.13700/j.bh.1001-5965.2018.0251
    ALVI A N, BOUK S H, AHMED S H, et al. BEST-MAC: Bitmap-assisted efficient and scalable TDMA-based WSN MAC protocol for smart cities[J]. IEEE Access, 2016, 4: 312–322. doi: 10.1109/ACCESS.2016.2515096
    QUINTERO V, PEREZ A, ESTEVEZ C, et al. State-of-charge estimation to improve decision making by MAC protocols used in WSNs[J]. Electronics Letters, 2019, 55(3): 161–163. doi: 10.1049/el.2018.7666
    張聚偉, 王宇, 楊挺. 基于數(shù)據(jù)融合的有向傳感器網(wǎng)絡(luò)全覆蓋部署[J]. 傳感技術(shù)學(xué)報(bào), 2017, 30(1): 139–145. doi: 10.3969/j.issn.1004-1699.2017.01.025

    ZHANG Juwei, WANG Yu, and YANG Ting. Full coverage deployment algorithm of directional sensor network based on data fusion[J]. Chinese Journal of Sensors and Actuators, 2017, 30(1): 139–145. doi: 10.3969/j.issn.1004-1699.2017.01.025
    ZHANG Senlin, CHEN Huayan, LIU Meiqin, et al. Optimal quantization scheme for data-efficient target tracking via UWSNs using quantized measurements[J]. Sensors, 2017, 17(11): 2565–2584. doi: 10.3390/s17112565
    ZHANG Linxia, NIU Dunbiao, SONG Enbin, et al. Joint optimization of dimension assignment and compression in distributed estimation fusion[J]. IEEE Transactions on Signal Processing, 2019, 67(9): 2453–2468. doi: 10.1109/TSP.2019.2904935
    CHEN Bo, ZHANG Wenan, and YU Li. Distributed finite-horizon fusion Kalman filtering for bandwidth and energy constrained wireless sensor networks[J]. IEEE Transactions on Signal Processing, 2014, 62(4): 797–812. doi: 10.1109/tsp.2013.2294603
    GUO Xiaoxi, LEONG A S, and DEY S. Estimation in wireless sensor networks with security constraints[J]. IEEE Transactions on Aerospace and Electronic Systems, 2017, 53(2): 544–561. doi: 10.1109/TAES.2017.2649178
    郭黎利, 高飛, 孫志國. 無線傳感器網(wǎng)絡(luò)中基于多比特量化的極大似然分布式估計(jì)方法[J]. 電子學(xué)報(bào), 2016, 44(11): 2773–2779. doi: 10.3969/j.issn.0372-2112.2016.11.029

    GUO Lili, GAO Fei, and SUN Zhiguo. Multi-level quantization scheme for distributed maximum likelihood estimation in wireless sensor networks[J]. Acta Electronica Sinica, 2016, 44(11): 2773–2779. doi: 10.3969/j.issn.0372-2112.2016.11.029
    王瑛, 鄒芳, 王飛雪, 等. 多次觀測信號檢測的最優(yōu)量化[J]. 電子學(xué)報(bào), 2008, 36(3): 575–580. doi: 10.3321/j.issn:0372-2112.2008.03.032

    WANG Ying, ZOU Fang, WANG Feixue, et al. Optimum quantization for multi-observation signal detection[J]. Acta Electronica Sinica, 2008, 36(3): 575–580. doi: 10.3321/j.issn:0372-2112.2008.03.032
    BLUM R S. Asymptotically optimum quantization with time invariant breakpoints for signal detection[J]. IEEE Transactions on Information Theory, 1991, 37(2): 402–407. doi: 10.1109/18.75265
    ZHOU Yan, LI Jianxun, and WANG Dongli. Target tracking in wireless sensor networks using adaptive measurement quantization[J]. Science China Information Sciences, 2012, 55(4): 827–838. doi: 10.1007/s11432-011-4327-3
    LEE J. Optimal power allocating for correlated data fusion in decentralized WSNs using algorithms based on swarm intelligence[J]. Wireless Networks, 2017, 23(5): 1655–1667. doi: 10.1007/s11276-017-1454-9
    MOHAJERZADEH A H, YAGHMAEE M H, and FAKOOR V. Total data collection algorithm based on estimation model for wireless sensor network[J]. Wireless Personal Communications, 2015, 81(2): 745–778. doi: 10.1007/s11277-014-2156-6
    LEE E A and MESSERSCHMITT D G. Digital Communication[M]. Boston: Kluwer Academic, 1988.
    KAY S M. Fundamentals of Statistical Signal Processing, Volume Ⅲ: Practical Algorithm Development[M]. Englewood Cliffs: Prentice Hall, 2013: 415–416.
    SRIPAD A and SNYDER D. A necessary and sufficient condition for quantization errors to be uniform and white[J]. IEEE Transactions on Acoustics, Speech, and Signal Processing, 1977, 25(5): 442–448. doi: 10.1109/TASSP.1977.1162977
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出版歷程
  • 收稿日期:  2019-03-26
  • 修回日期:  2019-11-07
  • 網(wǎng)絡(luò)出版日期:  2019-11-13
  • 刊出日期:  2020-06-04

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