BEAM: A Burst-aware Energy-efficient Adaptive MAC protocol for Wireless Sensor Networks

Anwander, Markus; Wagenknecht, Gerald; Braun, Torsten; Dolfus, Kirsten

doi:10.1109/inss.2010.5573142

Cited by 28 publications

(17 citation statements)

References 14 publications

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“…Further optimization is possible by an intelligent burst control mechanism that delays the start of the burst sequence if the sender already knows or estimates the wake-up interval of the receiving node. A similar mechanism is implemented in the Contiki protocol [59]. But measurements of energy consumption provided by the Virtenio company show that the Contiki protocol requires more energy for LPL.…”

Section: Energy Consumptionmentioning

confidence: 99%

Communication techniques and challenges for wireless food quality monitoring

Jedermann

Pötsch

Lloyd

2014

Phil. Trans. R. Soc. A.

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Remote measurement of product core temperature is an important prerequisite to improve the cool chain of food products and reduce losses. This paper examines and shows possible solutions to technical challenges that still hinder practical applications of wireless sensor networks in the field of food transport supervision. The high signal attenuation by water-containing products limits the communication range to less than 0.5 m for the commonly used 2.4 GHz radio chips. By theoretical analysis of the dependency of signal attenuation on the operating frequency, we show that the signal attenuation can be largely reduced by the use of 433 MHz or 866 MHz devices, but forwarding of messages over multiple hops inside a sensor network is mostly unavoidable to guarantee full coverage of a packed container. Communication protocols have to provide compatibility with widely accepted standards for integration into the global Internet, which has been achieved by programming an implementation of the constrained application protocol for wireless sensor nodes and integrating into IPv6-based networks. The sensor's battery lifetime can be extended by optimizing communication protocols and by in-network pre-processing of the sensor data. The feasibility of remote freight supervision was demonstrated by our full-scale ‘Intelligent Container’ prototype.

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Section: Energy Consumptionmentioning

confidence: 99%

Communication techniques and challenges for wireless food quality monitoring

Jedermann

Pötsch

Lloyd

2014

Phil. Trans. R. Soc. A.

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“…The tree relationship between the nodes in an active region is brought about through the execution of a tree construction algorithm that can degrade the performance of the system by increasing the network latency. In addition to EC-MAC, there are other MAC layer protocols that dynamically adapt the duty cycle of the radio based on synchronous [Van Dam and Langendoen 2003;Lin et al 2004;Nam et al 2006] and asynchronous [Hurni and Braun 2010;Anwander et al 2010;Jurdak et al 2007] schedules.…”

Section: Quality Of Service (Qos)mentioning

confidence: 99%

A predictive duty cycle adaptation framework using augmented sensing for wireless camera networks

Shin

Park

Kak

2014

ACM Trans. Sen. Netw.

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Energy efficiency dominates practically every aspect of the design of a wireless sensor network and duty cycling is an important tool for achieving high energy efficiencies. Duty cycling for wireless camera networks meant for tracking objects is made complex by the nodes having to anticipate the arrival of the objects in their field-of-view. The consequences of an object arriving in the view-region of a camera when it is sleeping need no elaboration. Our work presents a predictive framework to provide nodes with an ability to anticipate the arrival of objects in the field-of-view of their cameras. Our predictive framework differs from others in that the nodes whose duty cycles are increased are at least one step removed from the immediate neighborhood of the nodes where the objects are currently visible. By eliminating the need for the currently busiest nodes to also be in charge of informing their non-busy immediate neighbors to get ready for object arrival, we end up with a more robust strategy for updating the duty cycle at the nodes where the objects are highly likely to appear soon. The proposed scheme works by using an existing MAC header bit that is already in the 802.15.4 protocol and, in that sense, our anticipatory approach for notifying the nodes about the current state of the object location entails no additional expenditure of energy. Our contribution includes evaluations based on large-scale simulations as well as real experiments with an Imote2-based wireless camera network.

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“…In consequence, it is advantageous to send as many packets as possible, generally in bursts, when it wakes up. This burst transmission achieves both high throughput and low power consumption [18][19][20]. Accordingly, the protector should know how many packets a ZigBee node will transmit in order to protect the ZigBee transmission for the appropriate amount of time.…”

Section: The Limitation Of the Protector Approachmentioning

confidence: 99%

“…The throughput and average renewal interval for m transmissions are given by: (19) 6 Performance evaluation…”

Section: Multiple Packet Transmissionsmentioning

confidence: 99%

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NBP: light-weight Narrow Band Protection for ZigBee and Wi-Fi coexistence

Lim

Lee

Yoo

et al. 2013

J Wireless Com Network

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The recent development of various wireless technologies in the 2.4GHz ISM band has led to the co-channel coexistence of heterogeneous wireless devices, such as Wi-Fi, Bluetooth, and ZigBee. This sharing of the common channel results in the challenging problem of cross-technology interference, since the wireless devices generally use diverse PHY/MAC specifications. In particular, the less capable ZigBee device may often experience unpredictably low throughput due to the interference from the powerful Wi-Fi. The ZigBee protector is an attractive solution, since it can reserve the channel on behalf of the weak ZigBee devices. The protector method, however, has a few limitations; (i) it may cause significant overhead to both ZigBee and Wi-Fi, and (ii) the ZigBee control packets are still vulnerable to the Wi-Fi interference. In this paper, we propose a novel time reservation scheme called Narrow Band Protection (NBP), that uses a protector to guard the ongoing ZigBee transmission. The key contributions are threefold: First, NBP autonomously detects any ongoing ZigBee transmissions by cross-correlating the ZigBee's packets with the pre-defined Pseudo-random Noise (PN) sequences. By using this cross-correlation, it significantly reduces the control overhead. Second, due to the reliable cross-correlation, NBP is robust from the control packet collisions, which typically wastes channel time for both ZigBee and Wi-Fi. Third, NBP protects the burst of ZigBee packets by estimating the size of the burst, in turn, giving a semantic to the PN codebook. This is important because ZigBee is typically battery-powered and thus the long burst is advantageous for the low duty cycle operations. We first show the feasibility of NBP by implementing it on the real USRP/GNURadio platform. Then, we evaluate the performance of NBP through mathematical analysis and NS-2 simulations. The results show that NBP enhances the ZigBee throughput by up to 1.77x compared to the existing scheme.

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BEAM: A Burst-aware Energy-efficient Adaptive MAC protocol for Wireless Sensor Networks

Cited by 28 publications

References 14 publications

Communication techniques and challenges for wireless food quality monitoring

Communication techniques and challenges for wireless food quality monitoring

A predictive duty cycle adaptation framework using augmented sensing for wireless camera networks

NBP: light-weight Narrow Band Protection for ZigBee and Wi-Fi coexistence

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