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首页> 外文期刊>Aerospace and Electronic Systems, IEEE Transactions on >Low-complexity noncoherent fusion rules for wireless sensor networks monitoring multiple events
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Low-complexity noncoherent fusion rules for wireless sensor networks monitoring multiple events

机译：用于监视多个事件的无线传感器网络的低复杂度非相干融合规​​则

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摘要

Parallel triple-layer wireless sensor network (WSN) assisted by frequency-hopping (FH) and M-ary frequency-shift keying (MFSK) modulation, abbreviated FH/MFSK WSN, is proposed to monitor multiple source events (SEs) each having multiple states. The SEs are simultaneously observed by a few local sensor nodes (LSNs), which convey their decisions to a fusion center (FC) where the SEs??? states are classified (detected) based on noncoherent fusion rules. In this paper, four low-complexity noncoherent fusion rules are studied. They are the conventional benchmark of equal-gain combining (EGC) and three proposed noncoherent fusion rules, namely erasure-supported EGC (ES-EGC), EGC-assisted N-order iterative interference cancellation (IIC), and ES-EGC-assisted N-order IIC. The complexity of these fusion rules is analyzed and the performance of the FH/MFSK WSN employing these fusion rules is investigated and compared when wireless channels from LSNs to the FC experience Rayleigh fading.
机译：提出了由跳频（FH）和M元频移键控（MFSK）调制（简称FH / MFSK WSN）辅助的并行三层无线传感器网络（WSN），以监视每个具有多个的源事件（SE）状态。这些SE同时由几个本地传感器节点（LSN）观察，这些节点将其决策传达给融合中心（FC）。根据非相干融合规​​则对状态进行分类（检测）。本文研究了四种低复杂度的非相干融合规​​则。它们是等增益合并（EGC）和三个建议的非相干融合规​​则的常规基准，即擦除支持的EGC（ES-EGC），EGC辅助的N阶迭代干扰消除（IIC）和ES-EGC辅助的N阶IIC。当从LSN到FC的无线信道经历瑞利衰落时，将分析这些融合规则的复杂性，并研究和比较采用这些融合规则的FH / MFSK WSN的性能。

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