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Sensors 2012, 12(12), 16194-16210; doi:10.3390/s121216194

TDMA-Based Dual-Mode Communication for Mobile Wireless Sensor Networks

1
Department of Electrical Engineering and Computer Sciences, UC Berkeley, Berkeley, CA 94720, USA
2
Department of Civil and Environmental Engineering, UC Berkeley, Berkeley, CA 94720, USA
*
Author to whom correspondence should be addressed.
Received: 3 September 2012 / Revised: 2 November 2012 / Accepted: 9 November 2012 / Published: 22 November 2012
(This article belongs to the Special Issue Ubiquitous Sensing)
View Full-Text   |   Download PDF [655 KB, uploaded 21 June 2014]   |  

Abstract

Small highly mobile robots, and in particular micro air vehicles (MAVs), are well suited to the task of exploring unknown indoor environments such as buildings and caves. Such a task imposes a number of requirements on the underlying communication infrastructure, with differing goals during various stages of the mission. This work addresses those requirements with a hybrid communications infrastructure consisting of a stationary mesh network along with the mobile nodes. The combined network operates in two independent modes, coupling a highly efficient, low duty cycle, low throughput mode for routing and persistent sensing with a burst mode for high data rate communication. By strategically distributing available frequency channels between the mobile agents and the stationary nodes, the overall network provides reliable long-term communication paths while maximizing data throughput when needed. View Full-Text
Keywords: mobile wireless sensor networks; WSN; MAV; TDMA; IEEE 802.15.4 mobile wireless sensor networks; WSN; MAV; TDMA; IEEE 802.15.4
This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).

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MDPI and ACS Style

Mehta, A.; Kerkez, B.; Glaser, S.D.; Pister, K.S.J. TDMA-Based Dual-Mode Communication for Mobile Wireless Sensor Networks. Sensors 2012, 12, 16194-16210.

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