Energy Saving Mechanisms for MAC Protocols in Wireless Sensor Networks

Ameen, Moshaddique Al; Islam, S. M. Riazul; Kwak, Kyung Sup

doi:10.1155/2010/163413

Cited by 56 publications

(35 citation statements)

References 79 publications

(107 reference statements)

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“…A MAC protocol that implements duty cycling uses appropriate sleep/wake-up mechanisms to conserve energy, and in [22], it is demonstrated that when sensor nodes remain in the sleep mode, they consume less energy than when in the idle mode. When there is no need for communication, the radio is put to sleep and, although applying duty cycling energy is conserved, it has some disadvantages.…”

Section: Wake-up Mechanisms For Wsnmentioning

confidence: 99%

“…If a node has no packet to receive, it can waste a large amount of energy by just listening to the channel. Consequently, a node can save a significant amount of energy if it simply goes to sleep mode by switching off its radios [22]. T-MAC is an improvement over S-MAC duty cycling.…”

Section: Wake-up Mechanisms For Wsnmentioning

confidence: 99%

“…The amplifying factor is the β parameter, and for it, we selected three values, β ∈ {10, 50, and 100}. Figures 19,20,21,22,23,24,25,26, and 27 show the results obtained for different combinations of the parameter's values. Table 1 …”

Section: α and β Values Estimationmentioning

confidence: 99%

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Synchronization of application-driven WSN

Marques

Ricardo

2017

J Wireless Com Network

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The growth of wireless sensor networks (WSN) has resulted in part from requirements for connecting sensors and advances in radio technologies. WSN nodes may be required to save energy and therefore wake up and sleep in a synchronized way. In this paper, we propose an application-driven WSN node synchronization mechanism which, by making use of cross-layer information such as application ID and duty cycle, and by using the exponentially weighted moving average (EWMA) technique, enables nodes to wake up and sleep without losing synchronization. The results obtained confirm that this mechanism maintains the nodes in a mesh network synchronized according to the applications they run, while maintaining a high packet reception ratio.

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Section: Wake-up Mechanisms For Wsnmentioning

confidence: 99%

Section: Wake-up Mechanisms For Wsnmentioning

confidence: 99%

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Synchronization of application-driven WSN

Marques

Ricardo

2017

J Wireless Com Network

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“…In the first case, asynchronous dynamic MAC protocols (Adaptive DutyCycling) used for implementing Sleep schedule in sensor nodes are considered [1], [48]. However in the second case on demand sleep scheduling protocols are considered.…”

Section: A Cluster Head Node Behaviourmentioning

confidence: 99%

“…A number of schemes have been proposed to save energy in WSNs. These include implementation of sleep schedules within MAC [1] and [2] and routing [3] protocols and also in other layers. Hardware developers have also continued to improve devices with the aim of achieving low levels of energy consumption and efficiency [4].…”

Section: Introductionmentioning

confidence: 99%

A Framework for Energy Based Performability Models for Wireless Sensor Networks

Omondi¹,

Shah²,

Gemikonakli³

et al. 2015

2015 IEEE 29th International Conference on Advanced Information Networking and Applications Workshops

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Abstract-A novel idea of alternating node operations between Active and Sleep modes in Wireless Sensor Network (WSN) has successfully been used to save node power consumption. The idea which started off as a simple implementation of a timer in most protocols has been improved over the years to dynamically change with traffic conditions and the nature of application area. Recently, use of a second low power radio transceiver to triggered Active/Sleep modes has also been made. The idea of Active/Sleep operation modes has also been used to separately model and evaluate performance and availability of WSNs. The advancement in technology and continuous improvements of the existing protocols and application implementation demands continue to pose great challenges to the existing performance and availability models. In this study the need for integrating performance and availability studies of WSNs in the presence of both channel and node failures and repairs is investigated. A framework that outlines and characterizes key models required for integration of performance and availability of WSN is in turn outlined. Possible solution techniques for such models are also highlighted. Finally it is shown that the resulting models may be used to comparatively evaluate energy consumption of the existing motes and WSNs as well as deriving required performance measures.

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CANDi: context‐aware node discovery for short‐range cooperation

Alam

Albano

Radwan

et al. 2013

Trans. Emerging Tel. Tech.

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Multi‐standard mobile devices are allowing users to enjoy higher data rates with ubiquitous connectivity. However, the benefits gained from multiple interfaces come at an expense—that being higher energy consumption in an era where mobile devices need to be energy compliant. One promising solution is the usage of short‐range cooperative communication as an overlay for infrastructure‐based networks taking advantage of its context information. However, the node discovery mechanism, which is pivotal to the bearer establishment process, still represents a major burden in terms of the total energy budget. In this paper, we propose a technology agnostic approach towards enhancing the MAC energy ratings by presenting a context‐aware node discovery (CANDi) algorithm, which provides a priori knowledge towards the node discovery mechanism by allowing it to search nodes in the near vicinity at the ‘right time and at the right place’. We describe the different beacons required for establishing the cooperation, as well as the context information required, including battery level, modes, location and so on. CANDi uses the long‐range network (WiMAX and WiFi) to distribute the context information about cooperative clusters (Ultra‐wideband‐based) in the vicinity. The searching nodes can use this context in locating the cooperative clusters/nodes, which facilitates the establishing of short‐range connections. Analytical and simulation results are obtained, and the energy saving gains are further demonstrated in the laboratory using a customised testbed. CANDi saves up to 50% energy during the node discovery process, while the demonstrative testbed shows up to 75% savings in the total energy budget, thus validating the algorithm, as well as providing viable evidence to support the usage of short‐range cooperative communications for energy savings. Copyright © 2013 John Wiley & Sons, Ltd.

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Energy Saving Mechanisms for MAC Protocols in Wireless Sensor Networks

Cited by 56 publications

References 79 publications

Synchronization of application-driven WSN

Synchronization of application-driven WSN

A Framework for Energy Based Performability Models for Wireless Sensor Networks

CANDi: context‐aware node discovery for short‐range cooperation

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