A protocol independent energy saving technique for mobile ad hoc networks

Gadallah, Yasser; Kunz, Thomas

doi:10.1504/ijhpcn.2006.010202

Cited by 8 publications

(14 citation statements)

References 37 publications

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“…It works with existing ad hoc routing protocols to complement their functionality from an energyefficiency perspective. In [8], we showed that this technique performs well with the different categories of ad hoc routing protocols. In this study, we show that it scales well with increased network population and traffic.…”

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confidence: 92%

“…[2], [14] while others are distributed e.g. [8], [16]. From another point of view, some of the schemes that depend on putting nodes to sleep are asynchronous e.g.…”

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confidence: 99%

“…From another point of view, some of the schemes that depend on putting nodes to sleep are asynchronous e.g. [8], [15], [16] while others are synchronous e.g. [17].…”

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confidence: 99%

“…In this study, we evaluate the performance of an energyefficient scheme [8] that is designed to address many of the issues mentioned above. It was designed with energy fairness central to its operation.…”

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confidence: 99%

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An Evaluation Study of a Fair Energy-Efficient Technique for Mobile Ad Hoc Networks

Gadallah

Kunz

2006

2006 IEEE International Conference on Wireless and Mobile Computing, Networking and Communications

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In this study, we present a performance evaluation of an energy conservation technique designed for mobile ad hoc networks. This technique was designed with energy fairness central to its operation. This algorithm is not a routing algorithm. It works with existing routing protocols to complement their functionality from an energy-efficiency perspective. We show that this technique scales well with increased network traffic and population. We also compare it to the on-demand power management algorithm, a technique specifically designed to reduce idle energy consumption. Our comparison shows that our technique performs better in terms of energy savings and fairness as well as network lifetime extension.Index Terms-Energy-efficient algorithms, mobile ad hoc networks, routing and forwarding, wireless networks. I. INTRODUCTIONOWADAYS, mobile ad hoc networks (MANET) are used in many applications [11]. Examples of these applications are conferences with attendees on the move with portable devices, sensor networks, wireless mesh networks, military operations and search and rescue operations. Multi-hop wireless networking of battery-operated devices is also a basic infrastructure of pervasive applications and architectures. Every day, new mobile communication devices are invented or enhanced with new capabilities, which adds new dimensions to the possible uses of ad hoc networks.Nodes within a mobile ad hoc network communicate via wireless interfaces. This introduces some issues to their operation. One of the most important issues is the limited energy, which is usually supplied by node batteries, that network nodes possess. Amongst other sources, energy is consumed by wireless interfaces in several modes of operation [6], [13]. While communicating, nodes expend energy in packet sending and receiving modes. It has been shown that nodes also consume energy through their wireless interfaces while idle [13]. Idle energy consumption has been shown to be significant and often represents more than 50% of the overall energy consumption of the wireless interfaces. This source of energy consumption is unwanted and should therefore be eliminated or reduced by utilizing an energy conservation strategy. In order to address this type of energy consumption, the wireless interfaces of network nodes need to be put to sleep for periods of time, especially when they are not being used to exchange useful traffic. This can introduce many

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confidence: 92%

“…[2], [14] while others are distributed e.g. [8], [16]. From another point of view, some of the schemes that depend on putting nodes to sleep are asynchronous e.g.…”

mentioning

confidence: 99%

“…From another point of view, some of the schemes that depend on putting nodes to sleep are asynchronous e.g. [8], [15], [16] while others are synchronous e.g. [17].…”

mentioning

confidence: 99%

mentioning

confidence: 99%

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An Evaluation Study of a Fair Energy-Efficient Technique for Mobile Ad Hoc Networks

Gadallah

Kunz

2006

2006 IEEE International Conference on Wireless and Mobile Computing, Networking and Communications

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“…As wireless interfaces also typically have a much more low-powered "sleep" mode, in which they cannot receive packets, many proposals have been suggested in the literature to allow nodes to stay in "sleep" mode for extended periods of time. These solutions range from pure MAC-layer solutions such as the power management functionality in IEEE 802.11 [8] to solutions that combine routing and MAC layer functionality [9] [10] and proposals that are designed as a separate network layer component intended to complement any routing protocol [11] [12]. We therefore assume in the remainder of this paper that the problem of idle energy consumption is appropriately addressed by one of the above proposals, in particular one that is independent of the specific routing protocol.…”

Section: Introductionmentioning

confidence: 99%

Energy-Efficient MANET Routing: Ideal vs. Realistic Performance

Kunz

2008

2008 International Wireless Communications and Mobile Computing Conference

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Nodes in a Mobile Ad Hoc Network are typically battery-powered. Energy consumption is therefore an important metric to consider in designing routing protocols for such networks. In this paper, we present some results from our work on integrating energy-efficiency aspects into a standard MANET routing protocol, OLSR. In particular, we are exploring the impact of nodes having only inaccurate/imprecise knowledge of the energy levels of other nodes. We use two different energyefficient variants of the OLSR protocol and simulate a wide range of scenarios. Our results show that for all mobility scenarios, traffic loads, and protocol variations, the achievable protocol performance is negatively affected by the imprecise information available. The loss in performance can be as high as 10%, emphasizing the need to collect more precise routingrelated information.

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A Comparative Study of Routing Strategies for Wireless Sensor Networks: Are MANET Protocols Good Fit?

Gadallah

2006

Ad-Hoc, Mobile, and Wireless Networks

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A protocol independent energy saving technique for mobile ad hoc networks

Cited by 8 publications

References 37 publications

An Evaluation Study of a Fair Energy-Efficient Technique for Mobile Ad Hoc Networks

An Evaluation Study of a Fair Energy-Efficient Technique for Mobile Ad Hoc Networks

Energy-Efficient MANET Routing: Ideal vs. Realistic Performance

A Comparative Study of Routing Strategies for Wireless Sensor Networks: Are MANET Protocols Good Fit?

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