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题名:
frequency-hopping/m-ary frequency-shift keying for wireless sensor networks: noncoherent detection and performance
作者: Yang Fucheng ; Yang Lie-Liang ; Wei Huangfu ; Sun Limin
会议文集: Proceedings of the 2010 7th International Symposium on Wireless Communication Systems, ISWCS10
会议名称: 2010 7th International Symposium on Wireless Communication Systems, ISWCS10
会议日期: September
出版日期: 2010
会议地点: York, United kingdom
关键词: Communication systems ; Fading channels ; Gaussian noise (electronic) ; Global system for mobile communications ; Rayleigh fading ; Sensors ; Signal detection ; White noise ; Wireless telecommunication systems
出版地: United States
收录类别: EI
ISBN: 9781420000000
部门归属: (1) School of Electonics and Computer Science, University of Southampton, SO17 1BJ, United Kingdom; (2) Institute of Software, Chinese Academy of Sciences, Beijing, China
英文摘要: In this paper, a novel WSN framework, namely the FH/MFSK WSN, is proposed, which monitors M-ary events and conveys signals from local sensors to fusion center with the aid of frequency-hopping (FH) and M-ary frequency-shift keying (MFSK) techniques. The source events under observation by local sensors are assumed to have M states. The estimates of local sensors are transmitted to the fusion center using MFSK modulation aided by FH. Channels from local sensors to fusion center are modelled either as additive white Gaussian noise (AWGN) channels or as Rayleigh fading channels. At the fusion center, signals are noncoherently detected based on square-law principles aided by equal gain combining (EGC). In this paper, the detection performance of the FH/MFSK WSN is investigated by simulation approaches. Our studies show that the FH/MFSK constitutes one of the promising schemes for efficient information delivery in WSNs. Reliable detection can be achieved at reasonable SNR levels for detection at local sensors and at fusion center. © 2010 IEEE.
内容类型: 会议论文
URI标识: http://ir.iscas.ac.cn/handle/311060/8780
Appears in Collections:基础软件国家工程研究中心_会议论文

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Recommended Citation:
Yang Fucheng,Yang Lie-Liang,Wei Huangfu,et al. frequency-hopping/m-ary frequency-shift keying for wireless sensor networks: noncoherent detection and performance[C]. 见:2010 7th International Symposium on Wireless Communication Systems, ISWCS10. York, United kingdom. September.
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