¹ College of Computer and Information Engineering, Hohai University, Nanjing 210098, China
² College of Computer and Information Engineering, College of Water Resources and Hydropower Hohai University, Nanjing 210098, China

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Abstract—Wireless sensor networks are useful complements to monitoring systems in greenhouse agriculture. Based on the requirements of this system, we design and implement one chine-type wireless sensor network (C-WSN) to monitor crops’ growing environment. In the hardware, CC2420RF are applied in sensor nodes as the wireless transceiver, and the MCU, MSP430F149, is used in sensor nodes and sink nodes, which has high performance and ultra Low-Power. In the communication protocol, we propose one novel chain-type MAC protocol based on token (CMAC-T) according to traditional one and the sink node’s characteristic of unlimited energy. Experiments prove that this C-WSN has long life cycle and good stability. It is competent for monitoring the environment of greenhouse agriculture.

Index Terms—greenhouse agriculture, wireless sensor network, token, MAC protocol, low power

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Cite: Tong Sun, Xijun Yan, and Yan Yan, " A Chain-type Wireless Sensor Network in Greenhouse Agriculture," Journal of Computers vol. 8, no. 9, pp. 2366-2373, 2013.