Control chart tests based on geometric moving averages
Technometrics
Wireless Communications: Principles and Practice
Wireless Communications: Principles and Practice
Wireless sensors on rotating structures: performance evaluation and radio link characterization
Proceedings of the second ACM international workshop on Wireless network testbeds, experimental evaluation and characterization
MoteFinder: a deployment tool for sensor networks
Proceedings of the workshop on Real-world wireless sensor networks
Modelling the Wireless Propagation Channel: A simulation approach with Matlab
Modelling the Wireless Propagation Channel: A simulation approach with Matlab
Computers and Electronics in Agriculture
Proceedings of the thirteenth ACM international symposium on Mobile Ad Hoc Networking and Computing
Towards intelligent antenna selection in IEEE 802.15.4 wireless sensor networks
Proceedings of the thirteenth ACM international symposium on Mobile Ad Hoc Networking and Computing
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The goal of this paper is to study the feasibility of making intelligent antenna selection decision in IEEE 802.15.4 Wireless Sensor Networks (WSNs). This study provides us the basis to design and implement software defined intelligent antenna switching capability to wireless sensor nodes based on Received Signal Strength Indicator (RSSI) link quality metric. First, we discuss the results of our newly designed radio module (Inverted-F Antenna) for 2.4GHz bandwidth (WSNs). Second, we propose an intelligent antenna selection strategy to exploit antenna diversity. Third, we propose the prototype of our diversity antenna for the TelosB mote and the intelligent switch design. Finally, we compare the performance of the built-in TelosB antenna with our proposed external antenna in both laboratory and realistic environments. Experimental results confirm the gain of 6-10dB of the proposed radio module over the built-in radio module of the TelosB motes.